/* ===========================
   法唠 - Deep Research Platform
   Main Stylesheet
   =========================== */

/* ===== CSS Variables ===== */
:root {
  /* Light Theme */
  --bg-primary: #f5f7fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f0f2f5;
  --bg-hover: #eef1f6;
  --bg-input: #ffffff;
  --text-primary: #1a1f2e;
  --text-secondary: #5a6378;
  --text-tertiary: #8b94a8;
  --border-color: #e2e6ed;
  --border-hover: #c9cfd9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.12);

  /* Brand Colors */
  --color-legal: #3b5bdb;
  --color-legal-light: #ebf0ff;
  --color-finance: #f59f00;
  --color-finance-light: #fff9e6;
  --color-accent: #4f6df5;
  --color-accent-hover: #3d5bde;
  --color-success: #2fbf71;
  --color-danger: #fa5252;
  --color-gold: #f59f00;

  /* Gradients */
  --gradient-legal: linear-gradient(135deg, #3b5bdb 0%, #5c7cfa 100%);
  --gradient-finance: linear-gradient(135deg, #f59f00 0%, #fab005 100%);
  --gradient-accent: linear-gradient(135deg, #1a1f2e 0%, #3d5b8c 100%);
  --gradient-hero: linear-gradient(135deg, #1a1f2e 0%, #2c3e5a 50%, #3b5bdb 100%);

  /* Layout */
  --nav-height: 64px;
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 0px;
  --max-width: 1280px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-primary: #0a0e1a;
  --bg-secondary: #131826;
  --bg-tertiary: #1c2333;
  --bg-hover: #232a3d;
  --bg-input: #1c2333;
  --text-primary: #e4e7ef;
  --text-secondary: #9ba3b8;
  --text-tertiary: #6b7388;
  --border-color: #2a3145;
  --border-hover: #3a4262;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.5);
  --color-legal-light: #1a2440;
  --color-finance-light: #2a2410;
  --gradient-hero: linear-gradient(135deg, #0a0e1a 0%, #151c30 50%, #1a2440 100%);
}

/* ===== Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* ===== Navigation Bar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: background var(--transition), border-color var(--transition);
}

.navbar-inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  position: relative;
}

.logo-icon svg {
  width: 22px;
  height: 22px;
  color: #fff;
}

.logo-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="dark"] .logo-text {
  background: linear-gradient(135deg, #748ffc 0%, #e4e7ef 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Research Type Switch */
.research-switch {
  display: flex;
  background: var(--bg-tertiary);
  border-radius: 10px;
  padding: 3px;
  position: relative;
}

.research-switch-item {
  padding: 6px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 6px;
}

.research-switch-item.active {
  color: #fff;
  background: var(--color-accent);
  box-shadow: 0 2px 8px rgba(79, 109, 245, 0.3);
}

.research-switch-item.active[data-type="legal"] {
  background: var(--gradient-legal);
  box-shadow: 0 2px 8px rgba(59, 91, 219, 0.35);
}

.research-switch-item.active[data-type="finance"] {
  background: var(--gradient-finance);
  box-shadow: 0 2px 8px rgba(245, 159, 0, 0.35);
}

.research-switch-item svg {
  width: 15px;
  height: 15px;
}

.navbar-center {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.nav-link.active {
  color: var(--color-accent);
  background: var(--color-legal-light);
}

.nav-link svg {
  width: 16px;
  height: 16px;
}

/* Theme Toggle */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.theme-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }
[data-theme="dark"] .theme-toggle .sun-icon { display: block; }
[data-theme="dark"] .theme-toggle .moon-icon { display: none; }

/* Auth Button */
.btn-auth {
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-accent);
  border-radius: 10px;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-auth:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 109, 245, 0.3);
}

.btn-auth svg {
  width: 16px;
  height: 16px;
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient-legal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
}

.user-avatar:hover {
  transform: scale(1.05);
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 240px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 100;
}

.user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-header {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 4px;
}

.user-dropdown-name {
  font-weight: 700;
  font-size: 15px;
}

.user-dropdown-email {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: pointer;
}

.user-dropdown-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.user-dropdown-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.user-dropdown-item .badge {
  margin-left: auto;
  background: var(--color-finance);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
}

.user-dropdown-divider {
  height: 1px;
  background: var(--border-color);
  margin: 4px 0;
}

/* ===== Main Content ===== */
.main-content {
  margin-top: var(--nav-height);
  min-height: calc(100vh - var(--nav-height));
}

/* ===== Page Views ===== */
.page-view {
  display: none;
  animation: fadeIn 0.3s ease;
}

.page-view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Home / Hero Section ===== */
.hero-section {
  position: relative;
  padding: 60px 24px 48px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  opacity: 0.03;
  z-index: 0;
}

[data-theme="dark"] .hero-bg {
  opacity: 0.15;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--color-legal-light);
  border: 1px solid var(--color-legal);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-legal);
  margin-bottom: 20px;
}

.hero-badge.finance-mode {
  background: var(--color-finance-light);
  border-color: var(--color-finance);
  color: var(--color-finance);
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

/* Search Bar */
.search-bar {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}

.search-input-wrapper {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) 36px auto;
  align-items: center;
  column-gap: 4px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 4px 4px 4px 20px;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
}

.search-input-wrapper:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(79, 109, 245, 0.1);
}

.search-input-wrapper svg.search-icon {
  grid-column: 1;
  grid-row: 1;
  width: 20px;
  height: 20px;
  color: var(--text-tertiary);
}

.search-input {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  width: 100%;
  height: 46px;
  max-height: 134px;
  border: none;
  background: none;
  outline: none;
  font-size: 15px;
  line-height: 22px;
  color: var(--text-primary);
  padding: 12px 12px;
  resize: none;
  overflow-y: hidden;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.search-input::placeholder {
  color: var(--text-tertiary);
}

.search-btn {
  grid-column: 4;
  grid-row: 1;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--color-accent);
  border-radius: 12px;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.search-btn:hover {
  background: var(--color-accent-hover);
}

.product-maintenance {
  width: min(680px, calc(100% - 28px));
  margin: 18px auto 0;
  padding: 12px 14px;
  border: 1px solid rgba(183, 121, 31, .28);
  border-radius: 8px;
  color: #8b5e14;
  background: rgba(255, 247, 230, .96);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.research-switch-item[hidden], .radio-card[hidden], .product-maintenance[hidden] { display: none !important; }
.products-unavailable .search-bar { opacity: .68; }

.search-btn svg {
  width: 16px;
  height: 16px;
}

/* File attach button in search bar */
.search-attach-btn {
  grid-column: 3;
  grid-row: 1;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: all var(--transition);
}

.search-attach-btn:hover {
  background: var(--bg-tertiary);
  color: var(--color-accent);
}

.search-attach-btn svg {
  width: 18px;
  height: 18px;
  transform: rotate(-30deg);
}

.search-attach-btn.has-files {
  color: var(--color-accent);
  background: var(--color-legal-light);
}

.search-input-wrapper.is-multiline {
  align-items: start;
  row-gap: 6px;
  padding-bottom: 6px;
}

.search-input-wrapper.is-multiline svg.search-icon {
  margin-top: 12px;
}

.search-input-wrapper.is-multiline .search-input {
  grid-column: 2 / 5;
  grid-row: 1;
}

.search-input-wrapper.is-multiline .search-attach-btn {
  grid-column: 1;
  grid-row: 2;
  justify-self: start;
}

.search-input-wrapper.is-multiline .search-btn {
  grid-column: 4;
  grid-row: 2;
  justify-self: end;
}

/* Attached files chips */
.search-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  padding: 0 4px;
}

.search-attachment-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-primary);
  transition: all var(--transition);
  animation: chipFadeIn 0.2s ease;
}

@keyframes chipFadeIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.search-attachment-chip:hover {
  border-color: var(--color-accent);
}

.search-attachment-chip-icon {
  width: 24px;
  height: 24px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.search-attachment-chip-icon.pdf { background: #fa5252; }
.search-attachment-chip-icon.doc { background: #3b5bdb; }
.search-attachment-chip-icon.xls { background: #2fbf71; }
.search-attachment-chip-icon.ppt { background: #f59f00; }
.search-attachment-chip-icon.img { background: #cc5de8; }
.search-attachment-chip-icon.other { background: var(--text-tertiary); }

.search-attachment-chip-name {
  max-width: 160px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-attachment-chip-size {
  font-size: 11px;
  color: var(--text-tertiary);
}

.search-attachment-chip-remove {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: all var(--transition);
  flex-shrink: 0;
}

.search-attachment-chip-remove:hover {
  background: var(--color-danger);
  color: #fff;
}

.search-attachment-chip-remove svg {
  width: 12px;
  height: 12px;
}

/* Quick tags */
.search-tags {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.search-tag {
  padding: 4px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  cursor: pointer;
  transition: all var(--transition);
}

.search-tag:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-legal-light);
}

/* ===== Report Feed ===== */
.feed-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 60px;
}

.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.feed-title {
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.feed-title-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feed-title-icon.legal {
  background: var(--gradient-legal);
}

.feed-title-icon.finance {
  background: var(--gradient-finance);
}

.feed-title-icon svg {
  width: 16px;
  height: 16px;
  color: #fff;
}

.feed-filters {
  display: flex;
  gap: 6px;
}

.feed-filter {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border-radius: 8px;
  transition: all var(--transition);
}

.feed-filter.active {
  color: #fff;
  background: var(--color-accent);
}

.feed-filter:hover:not(.active) {
  color: var(--text-primary);
}

/* Report Cards */
.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 20px;
}

.report-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.report-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-legal);
  opacity: 0;
  transition: opacity var(--transition);
}

.report-card[data-type="finance"]::before {
  background: var(--color-finance);
}

.report-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.report-card:hover::before {
  opacity: 1;
}

.report-card-tags {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.report-tag {
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
}

.report-tag.legal {
  background: var(--color-legal-light);
  color: var(--color-legal);
}

.report-tag.finance {
  background: var(--color-finance-light);
  color: var(--color-finance);
}

.report-tag.neutral {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.report-card-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.report-card-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.report-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.report-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.report-card-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.report-card-meta-item svg {
  width: 14px;
  height: 14px;
}

.report-card-date {
  font-size: 13px;
  color: var(--text-tertiary);
}

.report-card-premium {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-gold);
  background: var(--color-finance-light);
  border-radius: 6px;
}

.report-card-premium svg {
  width: 13px;
  height: 13px;
}

/* Load More */
.load-more {
  text-align: center;
  margin-top: 32px;
}

.btn-load-more {
  padding: 12px 32px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition);
}

.btn-load-more:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ===== Report Library Page ===== */
.library-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 60px;
}

.library-header {
  margin-bottom: 28px;
}

.library-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.library-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
}

.library-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
}

.library-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  align-self: start;
}

.filter-group {
  margin-bottom: 24px;
}

.filter-group-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-option:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.filter-option.active {
  background: var(--color-legal-light);
  color: var(--color-accent);
  font-weight: 600;
}

.filter-option .count {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-tertiary);
}

.library-main {
  min-width: 0;
}

.library-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.library-search {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.library-search input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  font-size: 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
}

.library-search input:focus {
  border-color: var(--color-accent);
}

.library-search svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-tertiary);
}

.library-sort {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.library-sort select {
  padding: 8px 12px;
  font-size: 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
}

/* ===== Custom Report Page ===== */
.custom-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 60px;
}

.custom-header {
  text-align: center;
  margin-bottom: 40px;
}

.custom-header-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.custom-header-icon svg {
  width: 32px;
  height: 32px;
  color: #fff;
}

.custom-title {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 10px;
}

.custom-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto;
}

.custom-form {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

/* 我的定制报告（状态同步自管理端） */
.custom-mylist { }
.custom-mylist-title {
  font-size: 18px; font-weight: 700; margin-bottom: 16px;
  color: var(--text-primary);
}
.custom-mylist-empty {
  color: var(--text3); font-size: 14px; padding: 20px;
  background: var(--bg-secondary); border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg); text-align: center;
}
.custom-mylist-loading { color: var(--text3); font-size: 14px; padding: 20px; }
.custom-mylist-items { display: flex; flex-direction: column; gap: 12px; }
.custom-mylist-item {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 16px 18px;
}
.custom-mylist-item-title { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.custom-mylist-item-meta { font-size: 12px; color: var(--text3); margin-top: 4px; }
.custom-status {
  flex-shrink: 0; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px;
}
.custom-status-pending { background: rgba(245,159,0,.15); color: #f59f00; }
.custom-status-approved { background: rgba(47,191,113,.15); color: #2fbf71; }
.custom-status-rejected { background: rgba(255,99,99,.15); color: #ff6363; }
.custom-status-completed { background: rgba(59,91,219,.15); color: #5b7cfa; }
.custom-status-generating { background: rgba(59,91,219,.15); color: #5b7cfa; }
.custom-status-failed { background: rgba(255,99,99,.15); color: #ff6363; }
.custom-status-pending_quote,.custom-status-quoted { background: rgba(59,91,219,.13); color: #4f6df5; }
.custom-status-declined,.custom-status-expired { background: rgba(120,130,150,.13); color: var(--text3); }
.custom-mylist-item-side { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.custom-mylist-item-note { font-size: 12px; color: var(--text3); margin-top: 6px; }
.custom-view-btn {
  font-size: 12px; font-weight: 600; color: #fff; cursor: pointer;
  background: var(--brand-gradient, linear-gradient(135deg,#3b5bdb,#5b7cfa));
  border: none; border-radius: 999px; padding: 6px 14px; transition: opacity .2s;
}
.custom-view-btn:hover { opacity: .88; }
.custom-dot {
  width: 8px; height: 8px; border-radius: 50%; background: #5b7cfa;
  animation: customPulse 1.1s infinite ease-in-out;
}
@keyframes customPulse { 0%,100% { opacity: .3; } 50% { opacity: 1; } }

/* 法律报价直接展示在当前对话中 */
.quote-message .chat-bubble { padding: 0; overflow: hidden; }
.legal-quote-card { width: 100%; padding: 18px; border-left: 3px solid var(--color-accent); background: var(--bg-secondary); }
.legal-quote-head { display: flex; align-items: center; gap: 10px; }
.legal-quote-head > div { min-width: 0; }
.legal-quote-head strong { display: block; font-size: 15px; }
.legal-quote-head small { display: block; margin-top: 3px; color: var(--text3); font-size: 11px; overflow-wrap: anywhere; }
.legal-quote-dot { width: 9px; height: 9px; flex: 0 0 auto; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 0 5px rgba(79,109,245,.12); }
.legal-quote-card p { margin: 13px 0 0; color: var(--text-secondary); line-height: 1.65; }
.legal-quote-price { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-top: 16px; padding: 13px 0 9px; border-top: 1px solid var(--border-color); }
.legal-quote-price span,.legal-quote-meta { color: var(--text3); font-size: 12px; }
.legal-quote-price strong { font-size: 22px; color: var(--text-primary); }
.legal-quote-actions { display: flex; gap: 9px; margin-top: 16px; }
.legal-quote-actions button { min-height: 38px; padding: 0 15px; border-radius: 6px; font-size: 13px; font-weight: 700; cursor: pointer; }
.legal-quote-primary { color: #fff; border: 1px solid var(--color-accent); background: var(--color-accent); }
.legal-quote-primary:disabled { opacity: .55; cursor: wait; }
.legal-quote-secondary { color: var(--text-secondary); border: 1px solid var(--border-color); background: transparent; }
.legal-quote-disabled { display: flex; align-items: center; min-height: 38px; color: var(--text3); font-size: 12px; }
.legal-quote-card.status-failed,.legal-quote-card.status-rejected { border-left-color: var(--color-danger); }

@media (max-width: 430px) {
  .legal-quote-card { padding: 15px; }
  .legal-quote-actions { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); }
  .legal-quote-actions button { width: 100%; padding: 0 10px; }
  .legal-quote-price strong { font-size: 19px; }
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  background: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(79, 109, 245, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.form-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 6px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Radio cards */
.radio-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.radio-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition);
}

.radio-card:hover {
  border-color: var(--border-hover);
}

.radio-card.selected {
  border-color: var(--color-accent);
  background: var(--color-legal-light);
}

.radio-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.radio-card-icon.legal {
  background: var(--gradient-legal);
}

.radio-card-icon.finance {
  background: var(--gradient-finance);
}

.radio-card-icon svg {
  width: 20px;
  height: 20px;
  color: #fff;
}

.radio-card-text {
  flex: 1;
}

.radio-card-title {
  font-size: 15px;
  font-weight: 700;
}

.radio-card-desc {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Budget display */
.budget-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  margin-top: 8px;
}

.budget-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-gold);
}

.budget-unit {
  font-size: 13px;
  color: var(--text-tertiary);
}

.custom-quote-notice {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--color-primary) 28%, var(--border-color));
  border-left: 3px solid var(--color-primary);
  border-radius: 8px;
  background: color-mix(in srgb, var(--color-primary) 6%, var(--bg-secondary));
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
}

.custom-quote-notice[hidden] { display: none; }

.custom-quote-notice strong {
  color: var(--text-primary);
  font-size: 14px;
}

/* Submit button */
.btn-submit {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-accent);
  border-radius: 12px;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 109, 245, 0.3);
}

.btn-submit svg {
  width: 18px;
  height: 18px;
}

/* ===== Recharge Page ===== */
.recharge-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 24px 60px;
}

.recharge-header {
  text-align: center;
  margin-bottom: 36px;
}

.recharge-balance-card {
  background: var(--gradient-accent);
  border-radius: var(--radius-xl);
  padding: 32px;
  color: #fff;
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
}

.recharge-balance-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.recharge-balance-label {
  font-size: 14px;
  opacity: 0.8;
  margin-bottom: 8px;
}

.recharge-balance-value {
  font-size: 42px;
  font-weight: 800;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.recharge-balance-unit {
  font-size: 16px;
  opacity: 0.8;
}

.recharge-balance-info {
  display: flex;
  gap: 32px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.recharge-balance-stat {
  display: flex;
  flex-direction: column;
}

.recharge-balance-stat-label {
  font-size: 12px;
  opacity: 0.7;
}

.recharge-balance-stat-value {
  font-size: 18px;
  font-weight: 700;
  margin-top: 2px;
}

/* Package Grid */
.package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.package-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  cursor: pointer;
}

.package-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.package-card.popular {
  border-color: var(--color-gold);
}

.package-card.popular::before {
  content: '热门';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--color-gold);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border-radius: 12px;
}

.package-card-name {
  min-height: 20px;
  margin-bottom: 10px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}

.package-points {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.package-points-unit {
  font-size: 14px;
  font-weight: 600;
}

.package-price {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 12px 0;
}

.package-price-currency {
  font-size: 14px;
  color: var(--text-secondary);
}

.package-bonus {
  font-size: 13px;
  color: var(--color-success);
  margin-bottom: 16px;
  font-weight: 600;
}

.package-btn {
  width: 100%;
  padding: 10px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 10px;
  transition: all var(--transition);
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.package-card:hover .package-btn {
  background: var(--color-accent);
  color: #fff;
}

.package-card.popular .package-btn {
  background: var(--gradient-finance);
  color: #fff;
}

/* Transaction History */
.transaction-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.transaction-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.transaction-list {
  list-style: none;
}

.transaction-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.transaction-item:last-child {
  border-bottom: none;
}

.transaction-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.transaction-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.transaction-icon.recharge {
  background: var(--color-finance-light);
  color: var(--color-gold);
}

.transaction-icon.consume {
  background: var(--color-legal-light);
  color: var(--color-legal);
}

.transaction-icon svg {
  width: 18px;
  height: 18px;
}

.transaction-name {
  font-size: 14px;
  font-weight: 600;
}

.transaction-date {
  font-size: 12px;
  color: var(--text-tertiary);
}

.transaction-amount {
  font-size: 15px;
  font-weight: 700;
}

.transaction-amount.plus {
  color: var(--color-success);
}

.transaction-amount.minus {
  color: var(--text-secondary);
}

/* WeChat Pay */
.wechat-pay-overlay.active {
  opacity: 1;
  visibility: visible;
}

.wechat-pay-dialog {
  position: relative;
  width: min(420px, calc(100vw - 32px));
  padding: 34px 36px 28px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.22);
  text-align: center;
}

.wechat-pay-brand {
  display: grid;
  width: 46px;
  height: 46px;
  margin: 0 auto 10px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #07c160;
}

.wechat-pay-brand svg { width: 28px; height: 28px; }
.wechat-pay-kicker { color: #07a950; font-size: 13px; font-weight: 700; }
.wechat-pay-dialog h2 { margin: 5px 0 6px; font-size: 21px; }
.wechat-pay-amount { font-size: 32px; font-weight: 800; color: var(--text-primary); }

.wechat-pay-qr {
  width: 216px;
  height: 216px;
  margin: 18px auto 12px;
  padding: 8px;
  border: 1px solid var(--border-color);
  background: #fff;
}

.wechat-pay-qr img { display: block; width: 100%; height: 100%; object-fit: contain; }
.wechat-pay-points { font-size: 14px; color: var(--text-secondary); }
.wechat-pay-status { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 14px 0; font-size: 13px; color: var(--text-secondary); }
.wechat-pay-status span { width: 7px; height: 7px; border-radius: 50%; background: #f5a623; box-shadow: 0 0 0 4px rgba(245, 166, 35, .12); }
.wechat-pay-status.paid { color: #079b4a; font-weight: 700; }
.wechat-pay-status.paid span { background: #07c160; box-shadow: 0 0 0 4px rgba(7, 193, 96, .12); }

.wechat-pay-check {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  background: var(--bg-tertiary);
  font-weight: 700;
}

.wechat-pay-check:hover { border-color: #07c160; color: #079b4a; }
.wechat-pay-order { margin-top: 12px; color: var(--text-tertiary); font-size: 11px; overflow-wrap: anywhere; }

@media (max-width: 520px) {
  .wechat-pay-dialog { padding: 28px 22px 24px; }
  .wechat-pay-qr { width: 200px; height: 200px; }
}

/* ===== Auth Modal ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 420px;
  max-width: calc(100vw - 32px);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition);
}

.modal-overlay.show .modal {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.modal-close svg {
  width: 18px;
  height: 18px;
}

/* ===== 研究报告结果弹窗 ===== */
.research-modal {
  width: 720px;
  max-width: calc(100vw - 32px);
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

/* 深度研究中加载遮罩 */
.research-loading-card {
  width: 560px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  padding: 26px 28px;
  border-radius: 18px;
  background: var(--card-bg, #131826);
  border: 1px solid var(--border-color, rgba(255,255,255,0.08));
  text-align: left;
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
}
.research-loading-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.research-spinner {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 4px solid rgba(123,160,255,0.18);
  border-top-color: #7ba0ff;
  animation: rr-spin 0.9s linear infinite;
}
@keyframes rr-spin { to { transform: rotate(360deg); } }
.research-loading-title {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text-color, #eef2ff);
}
.research-loading-sub {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted, #9aa3b8);
  margin: 0;
}
/* ===== 摘要卡 ===== */
.research-summary {
  background: rgba(123,160,255,0.08);
  border: 1px solid rgba(123,160,255,0.18);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 14px;
}
.rs-item { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.rs-query { margin-bottom: 8px; }
.rs-query .rs-v { font-size: 14px; font-weight: 600; color: var(--text-color, #eef2ff); line-height: 1.5; word-break: break-word; }
.rs-row { display: flex; gap: 18px; flex-wrap: wrap; }
.rs-k { font-size: 11px; color: var(--text-muted, #9aa3b8); }
.rs-v { font-size: 13px; color: var(--text-color, #eef2ff); font-weight: 600; }
/* ===== 进度条 ===== */
.research-progress-wrap { margin-bottom: 14px; }
.research-progress { height: 6px; border-radius: 999px; background: rgba(255,255,255,0.08); overflow: hidden; }
.research-progress-bar { height: 100%; border-radius: 999px; background: linear-gradient(90deg, #7ba0ff, #5b8def); transition: width .4s ease; }
.research-progress-bar.error { background: linear-gradient(90deg, #fa5252, #f7705f); }
.research-progress-text { font-size: 12px; color: var(--text-muted, #9aa3b8); margin-top: 6px; }
/* ===== 步骤时间线 ===== */
.research-steps { list-style: none; margin: 0; padding: 4px 0 0; overflow-y: auto; flex: 1; }
/* SSE 实时推送的推理卡片（头脑风暴/数据声呐）嵌入进度遮罩内 */
.research-reasoning { margin: 14px 0 6px; }
.research-reasoning .chat-msg.reasoning { margin: 0; }
.research-reasoning .chat-bubble.reasoning { margin-left: 0; }

/* SSE 实时推送的报告正文"逐段生成"预览面板 */
.research-live-report {
  margin: 12px 0 4px;
  border: 1px solid var(--border-color, rgba(255,255,255,0.08));
  border-radius: 12px;
  background: rgba(108,140,255,0.04);
  overflow: hidden;
}
.research-live-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent, #6c8cff);
  border-bottom: 1px solid var(--border-color, rgba(255,255,255,0.08));
  background: rgba(108,140,255,0.07);
}
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #37d67a;
  animation: livePulse 1s infinite;
  flex-shrink: 0;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.65); }
}
.research-live-body {
  max-height: 300px;
  overflow-y: auto;
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.7;
}
.research-live-body .live-caret {
  display: inline-block;
  width: 7px;
  height: 1.05em;
  vertical-align: text-bottom;
  background: var(--color-accent, #6c8cff);
  margin-left: 2px;
  border-radius: 1px;
  animation: liveBlink 1s steps(2, start) infinite;
}
@keyframes liveBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
/* 让遮罩卡片内部可滚动，避免实时报告把卡片撑爆 */
.research-loading-card { overflow-y: auto; }
.research-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 2px;
}
.step-marker { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; width: 22px; }
.step-icon {
  width: 22px; height: 22px; flex-shrink: 0;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; line-height: 1;
  position: relative; z-index: 1;
}
.step-icon svg { width: 13px; height: 13px; }
.step-line { flex: 1; width: 2px; background: rgba(255,255,255,0.12); margin: 2px 0; min-height: 16px; }
.research-step.done .step-line { background: rgba(47,191,113,0.5); }
.research-step.running .step-line { background: rgba(123,160,255,0.4); }
.research-step.done .step-icon { background: rgba(47,191,113,0.18); color: #2fbf71; }
.research-step.error .step-icon { background: rgba(250,82,82,0.18); color: #fa5252; }
.research-step.running .step-icon { background: rgba(123,160,255,0.16); color: #7ba0ff; }
.research-step.pending .step-icon {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.18);
  box-sizing: border-box;
}
.step-body { flex: 1; min-width: 0; padding-bottom: 4px; }
.step-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.step-label { font-size: 14px; line-height: 1.5; color: var(--text-color, #eef2ff); }
.research-step.pending .step-label { color: var(--text-muted, #9aa3b8); }
.research-step.running .step-label { color: #7ba0ff; font-weight: 600; }
.research-step.error .step-label { color: #fa5252; font-weight: 600; }
.step-time { font-size: 11px; color: var(--text-muted, #9aa3b8); background: rgba(255,255,255,0.06); padding: 2px 8px; border-radius: 999px; white-space: nowrap; flex-shrink: 0; }
.step-time.running { color: #7ba0ff; background: rgba(123,160,255,0.12); }
.step-time.err { color: #fa5252; background: rgba(250,82,82,0.12); }
.step-detail { margin-top: 4px; }
.step-detail-lines { font-size: 12px; line-height: 1.6; color: var(--text-muted, #9aa3b8); }
.step-detail-line { padding: 1px 0; word-break: break-word; }
.step-detail-line.bullet { padding-left: 2px; }
.step-detail-line a { color: #7ba0ff; text-decoration: none; border-bottom: 1px solid rgba(123,160,255,0.3); }
.step-detail-line a:hover { border-bottom-color: #7ba0ff; }
.step-sources { margin-top: 6px; display: flex; flex-direction: column; gap: 5px; }
.step-source { font-size: 12px; color: #cdd6f4; text-decoration: none; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 8px; padding: 6px 10px; transition: background .15s, border-color .15s; word-break: break-word; }
.step-source:hover { background: rgba(123,160,255,0.12); border-color: rgba(123,160,255,0.3); }
.step-source-host { color: var(--text-muted, #9aa3b8); font-size: 11px; }
.step-spin {
  width: 13px; height: 13px; border-radius: 50%;
  border: 2px solid rgba(123,160,255,0.3);
  border-top-color: #7ba0ff;
  animation: rr-spin 0.8s linear infinite;
}
.research-loading-tip {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted, #9aa3b8);
  margin: 14px 0 0;
  text-align: center;
}

.research-result-header {
  padding: 28px 32px 18px;
  border-bottom: 1px solid var(--border-color, rgba(255,255,255,0.08));
}

.research-result-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--color-legal-light, rgba(59,91,219,0.15));
  color: var(--color-legal, #3b5bdb);
}

.research-result-title {
  margin: 12px 0 6px;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.35;
}

.research-result-meta {
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.research-result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 32px 0;
}

.research-result-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 16px 32px 24px;
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.75;
}

.research-result-body h1,
.research-result-body h2,
.research-result-body h3,
.research-result-body h4 {
  color: var(--text-primary);
  margin: 18px 0 8px;
  font-weight: 700;
  line-height: 1.4;
}

.research-result-body h2 { font-size: 18px; }
.research-result-body h3 { font-size: 16px; }
.research-result-body h4 { font-size: 14.5px; }

.research-result-body p {
  margin: 8px 0;
}

.research-result-body ul {
  margin: 8px 0;
  padding-left: 22px;
}

.research-result-body li {
  margin: 4px 0;
}

.research-result-body blockquote {
  margin: 12px 0;
  padding: 10px 16px;
  border-left: 3px solid var(--color-legal, #3b5bdb);
  background: var(--bg-hover, rgba(255,255,255,0.04));
  border-radius: 0 8px 8px 0;
  color: var(--text-tertiary);
}

.research-result-sources {
  padding: 16px 32px 24px;
  border-top: 1px solid var(--border-color, rgba(255,255,255,0.08));
}

.rr-sources-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.rr-source-item {
  font-size: 13px;
  color: var(--text-tertiary);
  padding: 4px 0;
  border-bottom: 1px dashed var(--border-color, rgba(255,255,255,0.06));
}

.rr-source-item:last-child {
  border-bottom: none;
}

.modal-header {
  text-align: center;
  margin-bottom: 28px;
}

.modal-logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.modal-logo svg {
  width: 26px;
  height: 26px;
  color: #fff;
}

.modal-title {
  font-size: 22px;
  font-weight: 800;
}

.modal-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Auth Tabs */
.auth-tabs {
  display: flex;
  background: var(--bg-tertiary);
  border-radius: 10px;
  padding: 3px;
  margin-bottom: 24px;
}

.auth-tab {
  flex: 1;
  padding: 8px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all var(--transition);
}

.auth-tab.active {
  background: var(--bg-secondary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Form fields */
.field-group {
  margin-bottom: 16px;
}

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.field-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.field-input-wrapper svg.field-icon {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  color: var(--text-tertiary);
}

.field-input {
  width: 100%;
  padding: 12px 14px 12px 42px;
  font-size: 14px;
  background: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
}

.field-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(79, 109, 245, 0.1);
}

.field-input::placeholder {
  color: var(--text-tertiary);
}

.field-toggle-password {
  position: absolute;
  right: 14px;
  width: 18px;
  height: 18px;
  color: var(--text-tertiary);
  cursor: pointer;
}

/* Verify code button */
.verify-code-btn {
  position: absolute;
  right: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-legal-light);
  border-radius: 8px;
  transition: all var(--transition);
  white-space: nowrap;
}

.verify-code-btn:hover {
  opacity: 0.85;
}

.verify-code-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.field-input.with-btn {
  padding-right: 100px;
}

/* Form options */
.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox-wrapper input {
  width: 16px;
  height: 16px;
  accent-color: var(--color-accent);
}

.forgot-link {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
}

.btn-auth-submit {
  width: 100%;
  padding: 13px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-accent);
  border-radius: 12px;
  transition: all var(--transition);
  margin-bottom: 20px;
}

.btn-auth-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(79, 109, 245, 0.3);
}

/* Social login */
.social-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
}

.social-divider::before,
.social-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.social-divider span {
  font-size: 12px;
  color: var(--text-tertiary);
}

.social-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.social-btn {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1.5px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.social-btn:hover {
  border-color: var(--color-accent);
  background: var(--bg-hover);
}

.social-btn svg {
  width: 22px;
  height: 22px;
}

/* ===== Toast ===== */
.toast-container {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  min-width: 280px;
  animation: toastSlideIn 0.3s ease;
  pointer-events: auto;
}

@keyframes toastSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast.success { border-left: 3px solid var(--color-success); }
.toast.error { border-left: 3px solid var(--color-danger); }
.toast.info { border-left: 3px solid var(--color-accent); }

.toast svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.toast.success svg { color: var(--color-success); }
.toast.error svg { color: var(--color-danger); }
.toast.info svg { color: var(--color-accent); }

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 48px 24px 24px;
  margin-top: 20px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.6;
  max-width: 300px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.footer-link {
  display: block;
  font-size: 13px;
  color: var(--text-tertiary);
  padding: 4px 0;
  transition: color var(--transition);
}

.footer-link:hover {
  color: var(--color-accent);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ===== Left Sidebar (Conversation Panel) ===== */
.app-sidebar {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 900;
  transition: transform var(--transition), width var(--transition);
  overflow: hidden;
}

.app-sidebar.collapsed {
  transform: translateX(calc(-1 * var(--sidebar-width)));
}

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.new-chat-btn {
  width: 100%;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-accent);
  border-radius: 10px;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.new-chat-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 109, 245, 0.3);
}

.new-chat-btn svg {
  width: 16px;
  height: 16px;
}

.sidebar-search {
  padding: 12px 16px;
  flex-shrink: 0;
  position: relative;
}

.sidebar-search input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  font-size: 13px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
}

.sidebar-search input:focus {
  border-color: var(--color-accent);
}

.sidebar-search svg {
  position: absolute;
  left: 26px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--text-tertiary);
}

.sidebar-section-title {
  padding: 8px 16px 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.conversation-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 8px 8px;
}

.conversation-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  margin-bottom: 2px;
}

.conversation-item:hover {
  background: var(--bg-hover);
}

.conversation-item.active {
  background: var(--color-legal-light);
}

.conversation-item-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.conversation-item-icon.legal {
  background: var(--color-legal-light);
  color: var(--color-legal);
}

.conversation-item-icon.finance {
  background: var(--color-finance-light);
  color: var(--color-finance);
}

.conversation-item-icon svg {
  width: 14px;
  height: 14px;
}

.conversation-item-content {
  flex: 1;
  min-width: 0;
}

.conversation-item-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conversation-item.active .conversation-item-title {
  color: var(--color-accent);
}

.conversation-item-date {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 1px;
}

.conversation-item-delete {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  opacity: 0;
  transition: all var(--transition);
  flex-shrink: 0;
}

.conversation-item:hover .conversation-item-delete {
  opacity: 1;
}

.conversation-item-delete:hover {
  background: var(--color-danger);
  color: #fff;
}

.conversation-item-delete svg {
  width: 14px;
  height: 14px;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
}

.sidebar-collapse-btn {
  width: 100%;
  padding: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border-radius: 8px;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.sidebar-collapse-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sidebar-collapse-btn svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.app-sidebar.collapsed ~ .main-content .sidebar-expand-btn {
  display: flex;
}

.sidebar-expand-btn {
  display: none;
  position: fixed;
  left: 16px;
  top: calc(var(--nav-height) + 16px);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  z-index: 900;
  transition: all var(--transition);
}

.sidebar-expand-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sidebar-expand-btn svg {
  width: 18px;
  height: 18px;
}

/* ===== Layout with Sidebar ===== */
.main-content {
  margin-left: var(--sidebar-width);
  transition: margin-left var(--transition);
}

body.sidebar-collapsed .app-sidebar {
  transform: translateX(calc(-1 * var(--sidebar-width)));
}

body.sidebar-collapsed .main-content {
  margin-left: 0;
}

body.sidebar-collapsed .sidebar-expand-btn {
  display: flex;
}

/* ===== Upload Page ===== */
.upload-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 60px;
}

.upload-header {
  margin-bottom: 28px;
}

.upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-xl);
  padding: 48px 24px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  background: var(--bg-secondary);
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--color-accent);
  background: var(--color-legal-light);
}

.upload-zone.dragover {
  transform: scale(1.01);
}

.upload-zone-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  transition: all var(--transition);
}

.upload-zone:hover .upload-zone-icon,
.upload-zone.dragover .upload-zone-icon {
  background: var(--color-accent);
  color: #fff;
}

.upload-zone-icon svg {
  width: 32px;
  height: 32px;
}

.upload-zone-text {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.upload-select-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-accent);
  border-radius: 10px;
  transition: all var(--transition);
}

.upload-select-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 109, 245, 0.3);
}

.upload-select-btn svg {
  width: 16px;
  height: 16px;
}

.upload-zone-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 12px;
}

/* Upload Options */
.upload-options {
  margin-top: 24px;
}

.upload-option-group {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.upload-option-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.upload-type-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.upload-type-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 8px;
  background: var(--bg-tertiary);
  border: 1.5px solid var(--border-color);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.upload-type-card:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.upload-type-card.active {
  border-color: var(--color-accent);
  background: var(--color-legal-light);
  color: var(--color-accent);
}

.upload-type-card svg {
  width: 24px;
  height: 24px;
}

/* File List */
.upload-file-section {
  margin-top: 24px;
}

.upload-file-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.upload-file-title {
  font-size: 18px;
  font-weight: 700;
}

.upload-clear-btn {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-danger);
  padding: 6px 14px;
  border-radius: 8px;
  transition: all var(--transition);
}

.upload-clear-btn:hover {
  background: rgba(250, 82, 82, 0.1);
}

.upload-file-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.upload-file-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition);
}

.upload-file-item:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}

.upload-file-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}

.upload-file-icon.pdf { background: #fa5252; }
.upload-file-icon.doc { background: #3b5bdb; }
.upload-file-icon.xls { background: #2fbf71; }
.upload-file-icon.ppt { background: #f59f00; }
.upload-file-icon.img { background: #cc5de8; }
.upload-file-icon.other { background: var(--text-tertiary); }

.upload-file-info {
  flex: 1;
  min-width: 0;
}

.upload-file-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-file-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.upload-file-progress {
  width: 100%;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  margin-top: 6px;
  overflow: hidden;
}

.upload-file-progress-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.upload-file-status {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.upload-file-status .status-text {
  font-size: 12px;
  font-weight: 600;
}

.upload-file-status .status-text.done { color: var(--color-success); }
.upload-file-status .status-text.uploading { color: var(--color-accent); }
.upload-file-status .status-text.error { color: var(--color-danger); }

.upload-file-remove {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: all var(--transition);
  flex-shrink: 0;
}

.upload-file-remove:hover {
  background: var(--color-danger);
  color: #fff;
}

.upload-file-remove svg {
  width: 14px;
  height: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .navbar-inner {
    padding: 0 16px;
    gap: 12px;
  }

  .nav-link span {
    display: none;
  }

  .research-switch-item span {
    display: none;
  }

  .research-switch-item {
    padding: 6px 12px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .library-layout {
    grid-template-columns: 1fr;
  }

  .library-sidebar {
    position: static;
    display: flex;
    gap: 16px;
    overflow-x: auto;
  }

  .filter-group {
    flex-shrink: 0;
    min-width: 180px;
  }

  .report-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .radio-cards {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .recharge-balance-info {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 640px) {
  .navbar-right .btn-auth span {
    display: none;
  }

  .hero-section {
    padding: 32px 16px 32px;
  }

  .feed-section {
    padding: 0 16px 40px;
  }

  .custom-form {
    padding: 24px 20px;
  }

  .package-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .upload-type-cards {
    grid-template-columns: 1fr 1fr;
  }
}

/* =========================================================
   Mobile application shell (approved V2 information architecture)
   ========================================================= */
.mobile-bottom-nav,
.mobile-native-view {
  display: none;
}

@media (max-width: 960px) {
  :root {
    --nav-height: 56px;
    --mobile-bottom-height: 64px;
    --mobile-page-gutter: 16px;
  }

  html {
    scroll-padding-top: var(--nav-height);
  }

  body {
    min-width: 0;
    padding-bottom: calc(var(--mobile-bottom-height) + env(safe-area-inset-bottom));
  }

  .navbar {
    height: var(--nav-height);
    backdrop-filter: blur(16px);
    background: color-mix(in srgb, var(--bg-secondary) 94%, transparent);
  }

  .navbar-inner {
    padding: 0 var(--mobile-page-gutter);
    gap: 10px;
  }

  .hamburger,
  .app-sidebar,
  .sidebar-expand-btn,
  .sidebar-overlay {
    display: none !important;
  }

  .navbar-left {
    gap: 7px;
  }

  .logo {
    gap: 7px;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
  }

  .logo-icon svg {
    width: 19px;
    height: 19px;
  }

  .logo-text {
    font-size: 19px;
    letter-spacing: 0;
  }

  .navbar-center {
    display: flex;
    min-width: 0;
    justify-content: flex-end;
  }

  .research-switch {
    border-radius: 7px;
    padding: 3px;
  }

  .research-switch-item {
    min-height: 32px;
    padding: 5px 9px;
    border-radius: 5px;
    font-size: 11px;
    gap: 0;
  }

  .research-switch-item span {
    display: inline;
  }

  .research-switch-item svg {
    display: none;
  }

  .navbar-right {
    gap: 4px;
  }

  .navbar-right .nav-link,
  .navbar-right .theme-toggle {
    display: none;
  }

  .navbar-right .btn-auth,
  .navbar-right .user-avatar {
    width: 34px;
    min-width: 34px;
    height: 34px;
    padding: 0;
    border-radius: 8px;
    justify-content: center;
  }

  .navbar-right .btn-auth svg {
    width: 17px;
    height: 17px;
  }

  .main-content {
    margin-top: var(--nav-height);
    margin-left: 0;
    min-height: calc(100dvh - var(--nav-height));
  }

  .footer {
    display: none;
  }

  .mobile-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1200;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    min-height: calc(var(--mobile-bottom-height) + env(safe-area-inset-bottom));
    padding: 5px 10px calc(5px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border-color);
    background: color-mix(in srgb, var(--bg-secondary) 96%, transparent);
    backdrop-filter: blur(18px);
    box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.06);
  }

  .mobile-bottom-item {
    min-width: 0;
    min-height: 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: var(--text-tertiary);
    font-size: 10px;
    font-weight: 600;
    line-height: 1;
  }

  .mobile-bottom-item svg {
    width: 20px;
    height: 20px;
  }

  .mobile-bottom-item.active {
    color: var(--color-accent);
  }

  body[data-view="chat"] {
    padding-bottom: 0;
  }

  body[data-view="chat"] .navbar,
  body[data-view="chat"] .mobile-bottom-nav {
    display: none;
  }

  body[data-view="chat"] .main-content {
    margin-top: 0;
    min-height: 100dvh;
  }

  .hero-section {
    padding: 26px var(--mobile-page-gutter) 24px;
  }

  .hero-inner {
    text-align: left;
  }

  .hero-badge {
    margin-bottom: 12px;
    padding: 5px 10px;
    border-radius: 16px;
    font-size: 11px;
  }

  .hero-title {
    max-width: 100%;
    margin-bottom: 9px;
    font-size: clamp(24px, 7vw, 28px);
    line-height: 1.28;
    letter-spacing: 0;
    overflow-wrap: anywhere;
  }

  .hero-subtitle {
    max-width: none;
    margin: 0 0 18px;
    font-size: 13px;
    line-height: 1.7;
  }

  .search-bar {
    max-width: none;
  }

  .search-input-wrapper,
  .search-input-wrapper.is-multiline {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr) auto;
    grid-template-rows: minmax(84px, auto) 44px;
    gap: 4px 8px;
    align-items: end;
    padding: 10px 8px 8px;
    border-width: 1px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
  }

  .search-input-wrapper svg.search-icon,
  .search-input-wrapper.is-multiline svg.search-icon {
    display: none;
  }

  .search-input,
  .search-input-wrapper.is-multiline .search-input {
    grid-column: 1 / 4;
    grid-row: 1;
    min-height: 84px;
    height: auto;
    max-height: 156px;
    padding: 4px 6px;
    font-size: 14px;
    line-height: 1.65;
  }

  .search-attach-btn,
  .search-input-wrapper.is-multiline .search-attach-btn {
    grid-column: 1;
    grid-row: 2;
    width: 44px;
    height: 44px;
    justify-self: start;
  }

  .search-btn,
  .search-input-wrapper.is-multiline .search-btn {
    grid-column: 3;
    grid-row: 2;
    min-height: 40px;
    padding: 9px 14px;
    border-radius: 7px;
    justify-self: end;
  }

  .search-tags {
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 7px;
    margin: 11px calc(-1 * var(--mobile-page-gutter)) 0;
    padding: 0 var(--mobile-page-gutter) 4px;
    overflow-x: auto;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
  }

  .search-tags::-webkit-scrollbar,
  .library-sidebar::-webkit-scrollbar {
    display: none;
  }

  .search-tag {
    flex: 0 0 auto;
    min-height: 30px;
    padding: 5px 11px;
    border-radius: 15px;
    font-size: 11px;
    line-height: 18px;
    white-space: nowrap;
    scroll-snap-align: start;
  }

  .feed-section {
    padding: 0 var(--mobile-page-gutter) 32px;
  }

  .feed-header {
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
  }

  .feed-title {
    min-width: 0;
    font-size: 18px;
    gap: 8px;
  }

  .feed-title-icon {
    width: 26px;
    height: 26px;
    border-radius: 7px;
  }

  .feed-filters {
    flex: 0 0 auto;
    max-width: 54%;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .feed-filter {
    min-height: 36px;
    white-space: nowrap;
  }

  .report-grid {
    grid-template-columns: 1fr;
  }

  .report-card {
    border-radius: 8px;
  }

  .library-page,
  .custom-page,
  .recharge-page,
  .myreports-page {
    padding: 22px var(--mobile-page-gutter) 32px;
  }

  .library-title {
    font-size: 22px;
    letter-spacing: 0;
  }

  .library-subtitle {
    font-size: 13px;
  }

  .library-layout {
    display: block;
  }

  .library-sidebar {
    position: static;
    display: flex;
    gap: 7px;
    width: calc(100% + 2 * var(--mobile-page-gutter));
    margin: 0 calc(-1 * var(--mobile-page-gutter)) 14px;
    padding: 0 var(--mobile-page-gutter) 4px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .library-sidebar .filter-group {
    display: contents;
  }

  .package-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 28px;
  }

  .package-card {
    min-width: 0;
    padding: 18px 10px 12px;
    border-width: 1px;
    border-radius: 8px;
  }

  .package-card:hover {
    transform: none;
  }

  .package-card.popular::before {
    top: -9px;
    padding: 2px 10px;
    border-radius: 8px;
    font-size: 10px;
  }

  .package-points {
    margin-bottom: 2px;
    font-size: 23px;
    line-height: 1.15;
  }

  .package-points-unit {
    font-size: 11px;
  }

  .package-bonus {
    min-height: 18px;
    margin-bottom: 8px;
    font-size: 11px;
    line-height: 18px;
  }

  .package-price {
    margin: 7px 0 10px;
    font-size: 19px;
  }

  .package-btn {
    min-height: 38px;
    padding: 8px 6px;
    border-radius: 6px;
    font-size: 13px;
  }

  .library-sidebar .filter-group-title {
    display: none;
  }

  .library-sidebar .filter-option {
    flex: 0 0 auto;
    min-height: 36px;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--bg-secondary);
    font-size: 11px;
    white-space: nowrap;
  }

  .library-sidebar .filter-option .count {
    margin-left: 4px;
  }

  .library-sidebar,
  .search-tags {
    scrollbar-width: none;
    -webkit-mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 26px), transparent 100%);
    mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 26px), transparent 100%);
  }

  .library-sidebar::-webkit-scrollbar,
  .search-tags::-webkit-scrollbar {
    display: none;
  }

  .library-toolbar {
    align-items: stretch;
    gap: 8px;
  }

  .library-search {
    max-width: none;
  }

  .library-sort span {
    display: none;
  }

  .mobile-native-view.active {
    display: block;
  }

  .mobile-page-shell {
    min-height: calc(100dvh - var(--nav-height) - var(--mobile-bottom-height));
    padding: 22px var(--mobile-page-gutter) 32px;
  }

  .mobile-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 17px;
  }

  .mobile-page-kicker {
    display: block;
    margin-bottom: 4px;
    color: var(--color-accent);
    font-size: 11px;
    font-weight: 700;
  }

  .mobile-page-header h2 {
    margin: 0 0 4px;
    font-size: 23px;
    line-height: 1.3;
  }

  .mobile-page-header p {
    margin: 0;
    color: var(--text-tertiary);
    font-size: 12px;
    line-height: 1.6;
  }

  .mobile-header-action,
  .mobile-account-avatar {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-header-action svg {
    width: 20px;
    height: 20px;
  }

  .mobile-record-search {
    min-height: 44px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    gap: 9px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
  }

  .mobile-record-search svg {
    width: 18px;
    height: 18px;
    color: var(--text-tertiary);
  }

  .mobile-record-search input {
    min-width: 0;
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text-primary);
    font-size: 14px;
  }

  .mobile-conversation-list {
    margin-top: 12px;
  }

  .mobile-record-item {
    min-height: 70px;
    padding: 12px 2px;
    display: flex;
    align-items: center;
    gap: 11px;
    border-bottom: 1px solid var(--border-color);
  }

  .mobile-record-item.active {
    color: var(--color-accent);
  }

  .mobile-record-icon {
    flex: 0 0 auto;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-legal);
    background: var(--color-legal-light);
  }

  .mobile-record-icon.finance {
    color: var(--color-finance);
    background: var(--color-finance-light);
  }

  .mobile-record-icon svg {
    width: 18px;
    height: 18px;
  }

  .mobile-record-copy {
    min-width: 0;
    flex: 1;
  }

  .mobile-record-copy strong,
  .mobile-record-copy span {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-record-copy strong {
    color: var(--text-primary);
    font-size: 13px;
  }

  .mobile-record-copy span {
    margin-top: 4px;
    color: var(--text-tertiary);
    font-size: 10px;
  }

  .mobile-record-chevron,
  .mobile-menu-chevron {
    flex: 0 0 auto;
    width: 17px;
    height: 17px;
    color: var(--text-tertiary);
  }

  .mobile-record-empty {
    padding: 58px 20px;
    text-align: center;
  }

  .mobile-record-empty-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 13px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    background: var(--color-legal-light);
  }

  .mobile-record-empty-icon svg {
    width: 23px;
    height: 23px;
  }

  .mobile-record-empty strong {
    display: block;
    font-size: 15px;
  }

  .mobile-record-empty p {
    margin: 6px 0 14px;
    color: var(--text-tertiary);
    font-size: 12px;
    line-height: 1.6;
  }

  .mobile-record-empty button,
  .mobile-account-auth {
    min-height: 42px;
    padding: 9px 16px;
    border-radius: 7px;
    color: #fff;
    background: var(--color-accent);
    font-size: 13px;
    font-weight: 700;
  }

  .mobile-account-avatar {
    border: 0;
    color: #fff;
    background: var(--gradient-accent);
    font-weight: 800;
  }

  .mobile-account-balance {
    width: 100%;
    min-height: 84px;
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    background: var(--bg-secondary);
    text-align: left;
  }

  .mobile-account-balance small,
  .mobile-account-balance strong {
    display: block;
  }

  .mobile-account-balance small {
    color: var(--text-tertiary);
    font-size: 11px;
  }

  .mobile-account-balance strong {
    margin-top: 2px;
    font-size: 25px;
  }

  .mobile-account-balance-action {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 700;
  }

  .mobile-account-balance-action svg {
    width: 15px;
    height: 15px;
  }

  .mobile-account-menu {
    margin: 12px 0;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
  }

  .mobile-account-menu > button {
    width: 100%;
    min-height: 68px;
    padding: 11px 13px;
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) 18px;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    text-align: left;
  }

  .mobile-account-menu > button:last-child {
    border-bottom: 0;
  }

  .mobile-menu-icon {
    width: 36px;
    height: 36px;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    background: var(--color-legal-light);
  }

  .mobile-menu-icon svg {
    width: 18px;
    height: 18px;
  }

  .mobile-account-menu strong,
  .mobile-account-menu small {
    display: block;
  }

  .mobile-account-menu strong {
    font-size: 13px;
  }

  .mobile-account-menu small {
    margin-top: 3px;
    color: var(--text-tertiary);
    font-size: 10px;
  }

  .mobile-account-auth {
    width: 100%;
  }

  .mobile-account-auth.is-logout {
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    background: var(--bg-secondary);
  }

  #view-chat,
  .chat-page {
    height: 100dvh;
    min-height: 0;
  }

  .chat-header {
    min-height: 56px;
    padding: max(10px, env(safe-area-inset-top)) 12px 10px;
    gap: 8px;
  }

  .chat-back,
  .chat-export-pdf,
  .chat-universe-open {
    width: 36px;
    min-width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 8px;
  }

  .chat-export-pdf span,
  .chat-universe-open span,
  .chat-new {
    display: none;
  }

  .chat-messages {
    padding: 16px 12px;
    gap: 16px;
  }

  .chat-msg {
    gap: 8px;
  }

  .chat-msg.assistant > .chat-avatar,
  .chat-msg.reasoning > .chat-avatar {
    display: none;
  }

  .chat-bubble,
  .chat-bubble.assistant,
  .chat-bubble.reasoning,
  .chat-bubble.assistant.streaming-report {
    max-width: 100%;
    border-radius: 8px;
  }

  .chat-bubble.user {
    max-width: 88%;
    border-radius: 8px 8px 2px 8px;
  }

  .chat-bubble.reasoning {
    padding: 14px;
  }

  .chat-input-area {
    padding: 9px 10px calc(9px + env(safe-area-inset-bottom));
  }

  .chat-input-bar {
    grid-template-columns: 38px minmax(0, 1fr) 42px;
    gap: 4px;
    border-radius: 8px;
    padding: 4px;
  }

  .chat-send {
    width: 42px;
    min-width: 42px;
    height: 42px;
    padding: 0;
    justify-content: center;
    font-size: 0;
  }

  .chat-send svg {
    width: 18px;
    height: 18px;
  }

  #researchLoadingOverlay {
    align-items: stretch;
    background: var(--bg-primary);
    backdrop-filter: none;
  }

  #researchLoadingOverlay .research-loading-card {
    width: 100%;
    max-width: none;
    height: 100dvh;
    max-height: none;
    padding: max(18px, env(safe-area-inset-top)) var(--mobile-page-gutter) calc(18px + env(safe-area-inset-bottom));
    border: 0;
    border-radius: 0;
    box-shadow: none;
    overflow-y: auto;
  }

  #researchOverlay {
    align-items: stretch;
    background: var(--bg-secondary);
    backdrop-filter: none;
  }

  #researchOverlay .research-modal {
    width: 100vw;
    max-width: none;
    height: 100dvh;
    max-height: none;
    border-radius: 0;
    box-shadow: none;
    transform: none;
  }

  #researchOverlay .modal-close {
    z-index: 4;
    top: max(10px, env(safe-area-inset-top));
    right: 12px;
    width: 38px;
    height: 38px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
  }

  .research-result-header {
    flex: 0 0 auto;
    padding: max(16px, env(safe-area-inset-top)) 58px 13px var(--mobile-page-gutter);
  }

  .research-result-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
  }

  .research-result-title {
    margin: 8px 0 4px;
    font-size: 20px;
    letter-spacing: 0;
  }

  .research-result-meta {
    font-size: 11px;
  }

  .research-result-tags {
    flex: 0 0 auto;
    flex-wrap: nowrap;
    padding: 10px var(--mobile-page-gutter) 0;
    overflow-x: auto;
  }

  .research-result-body {
    padding: 12px var(--mobile-page-gutter) calc(78px + env(safe-area-inset-bottom));
    font-size: 14px;
    line-height: 1.78;
    overscroll-behavior: contain;
  }

  .research-result-body h1 {
    font-size: 21px !important;
  }

  .research-result-body h2 {
    font-size: 17px !important;
  }

  .research-result-body h3 {
    font-size: 15px !important;
  }

  .research-result-body table,
  .chat-bubble.assistant table,
  .message-markdown table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .research-result-actions {
    position: absolute;
    z-index: 5;
    left: 10px;
    right: 10px;
    bottom: calc(8px + env(safe-area-inset-bottom));
    min-height: 52px;
    margin: 0;
    padding: 6px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: color-mix(in srgb, var(--bg-secondary) 96%, transparent);
    backdrop-filter: blur(16px);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.16);
  }

  .rr-action-btn {
    min-width: 0;
    min-height: 40px;
    padding: 7px 5px;
    border: 0;
    border-radius: 6px;
    font-size: 10px;
    justify-content: center;
  }

  .rr-action-btn svg {
    width: 15px;
    height: 15px;
  }

  .research-result-sources,
  .research-result-attachments {
    padding-left: var(--mobile-page-gutter);
    padding-right: var(--mobile-page-gutter);
  }

  .toast-container {
    left: 12px;
    right: 12px;
    bottom: calc(var(--mobile-bottom-height) + 12px + env(safe-area-inset-bottom));
  }

  body[data-view="chat"] .toast-container,
  body:has(#researchOverlay.show) .toast-container {
    bottom: calc(12px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 339px) {
  .package-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 360px) {
  :root {
    --mobile-page-gutter: 13px;
  }

  .logo-icon {
    display: none;
  }

  .logo-text {
    font-size: 18px;
  }

  .research-switch-item {
    padding-inline: 7px;
  }

  .hero-title {
    font-size: 23px;
  }

  .feed-title {
    font-size: 17px;
  }

  .feed-filter {
    padding-inline: 8px;
  }

  .rr-action-label {
    display: none;
  }
}

/* =========================================================
   新增：对话式报告页 / 我的研报 / 上传弹窗 / 响应式
   ========================================================= */

/* ===== 移动端汉堡按钮 ===== */
.hamburger {
  display: none;
  width: 40px; height: 40px;
  border: none; background: transparent;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer; align-items: center; justify-content: center;
}
.hamburger svg { width: 22px; height: 22px; }
.hamburger:hover { background: var(--bg-hover); }

/* ===== 对话式报告页 ===== */
.view-chat {
  height: calc(100vh - var(--nav-height));
  display: flex;
  flex-direction: column;
}
.chat-page {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}
.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}
.chat-back {
  width: 36px; height: 36px;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.chat-back svg { width: 18px; height: 18px; }
.chat-back:hover { background: var(--bg-hover); color: var(--text-primary); }
.chat-header-info { flex: 1; min-width: 0; }
.chat-title {
  font-size: 15px; font-weight: 700; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.chat-subtitle { font-size: 12px; color: var(--text-tertiary); }
.chat-export-pdf {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-height: 36px; padding: 8px 12px; border: 1px solid #b9c7e7;
  border-radius: var(--radius-sm); background: #f3f6fc; color: #294f9e;
  font-size: 13px; font-weight: 700; white-space: nowrap; cursor: pointer;
}
.chat-export-pdf[hidden] { display: none !important; }
.chat-export-pdf svg { width: 16px; height: 16px; flex: 0 0 auto; }
.chat-export-pdf:hover { border-color: #7d98d0; background: #eaf0fb; }
.chat-export-pdf:focus-visible { outline: 2px solid #315bd6; outline-offset: 2px; }
.chat-export-pdf:disabled { opacity: .55; cursor: not-allowed; }
.chat-new {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border: 1px solid var(--border-color);
  background: var(--bg-tertiary); color: var(--text-primary);
  border-radius: var(--radius-sm); font-size: 13px; cursor: pointer; white-space: nowrap;
}
.chat-new svg { width: 16px; height: 16px; }
.chat-new:hover { background: var(--bg-hover); border-color: var(--border-hover); }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  -webkit-overflow-scrolling: touch;
  will-change: transform;
}
.chat-empty {
  margin: auto;
  text-align: center;
  color: var(--text-tertiary);
}
.chat-empty-icon svg { width: 56px; height: 56px; opacity: 0.5; margin-bottom: 12px; }
.chat-empty p { margin: 4px 0; font-size: 14px; }
.chat-empty-hint { font-size: 12px !important; opacity: 0.7; }

.chat-msg { display: flex; gap: 12px; max-width: 100%; content-visibility: auto; contain-intrinsic-size: auto 120px; }
.chat-msg.user { justify-content: flex-end; }
.chat-avatar {
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #fff; font-weight: 700; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
}
.chat-bubble {
  max-width: 78%;
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  line-height: 1.7;
  word-break: break-word;
}
.chat-bubble.user {
  background: var(--color-accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-bubble.assistant {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
  flex: 1;
}
.chat-bubble.assistant h1,
.chat-bubble.assistant h2,
.chat-bubble.assistant h3,
.chat-bubble.assistant h4 { margin: 14px 0 8px; line-height: 1.4; }
.chat-bubble.assistant h1 { font-size: 20px; }
.chat-bubble.assistant h2 { font-size: 17px; }
.chat-bubble.assistant h3 { font-size: 15px; }
.chat-bubble.assistant p { margin: 8px 0; }
.chat-bubble.assistant ul { margin: 8px 0; padding-left: 22px; }
.chat-bubble.assistant li { margin: 4px 0; }
.chat-bubble.assistant blockquote {
  margin: 10px 0; padding: 8px 14px;
  border-left: 3px solid var(--color-accent);
  background: var(--bg-tertiary); color: var(--text-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.chat-bubble.assistant strong { color: var(--text-primary); font-weight: 700; }
.chat-bubble.assistant a { color: var(--color-accent); }

.chat-msg.streaming-report {
  align-items: flex-start;
}
.chat-bubble.assistant.streaming-report {
  max-width: min(980px, 92%);
  padding: 0;
  overflow: hidden;
  border-color: rgba(91, 141, 239, 0.42);
  box-shadow: 0 14px 42px rgba(30, 64, 175, 0.12);
}
.stream-report-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
  background: rgba(91, 141, 239, 0.08);
}
.stream-report-count {
  margin-left: auto;
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 500;
}
.stream-report-body {
  padding: 16px 18px 18px;
}
.stream-report-empty {
  color: var(--text-tertiary);
}
.chat-bubble.assistant .live-caret {
  display: inline-block;
  width: 7px;
  height: 1.05em;
  vertical-align: text-bottom;
  background: var(--color-accent, #6c8cff);
  margin-left: 2px;
  border-radius: 1px;
  animation: liveBlink 1s steps(2, start) infinite;
}

/* Reasoning message (头脑风暴 + 数据声呐) */
.chat-msg.reasoning { align-items: flex-start; }
.chat-bubble.reasoning {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
  flex: 1;
  padding: 18px 20px;
}
.reasoning-header {
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.reasoning-badge {
  display: inline-flex; align-items: center; justify-content: center;
  height: 22px; padding: 0 10px;
  border-radius: 12px;
  background: var(--gradient-accent);
  color: #fff; font-size: 12px; font-weight: 700;
}
.reasoning-title {
  font-size: 15px; font-weight: 700; color: var(--text-primary);
}
.reasoning-spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(123,160,255,0.25);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.reasoning-plan {
  font-size: 14px; line-height: 1.8; color: var(--text-secondary);
  margin-bottom: 14px;
}
.reasoning-profile {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
  margin: 0 0 14px;
  padding: 12px;
  border: 1px solid var(--border-light);
  background: var(--bg-secondary);
}
.reasoning-profile-item {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.reasoning-profile-item span {
  color: var(--text-muted);
  font-size: 11px;
}
.reasoning-profile-item strong {
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.reasoning-queries {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 12px;
}
.rq-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}
.rq-num {
  flex-shrink: 0;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff; font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.rq-text { font-size: 13px; color: var(--text-primary); line-height: 1.5; word-break: break-word; }
.reasoning-note {
  font-size: 12px; color: var(--text-muted);
  line-height: 1.6; margin-bottom: 16px;
}
.reasoning-sonar-title {
  font-size: 14px; font-weight: 700; color: var(--text-primary);
  margin-bottom: 12px; display: flex; align-items: center; gap: 6px;
}
.reasoning-sonar-title::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: #2fbf71;
  box-shadow: 0 0 8px #2fbf71;
}
.reasoning-sonar-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.sonar-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.sonar-card-head {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px;
  background: rgba(123,160,255,0.08);
  border-bottom: 1px solid var(--border-color);
}
.sonar-card-icon {
  flex-shrink: 0;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--color-accent); color: #fff;
  font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.sonar-card-q {
  font-size: 13px; font-weight: 600; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sonar-card-body { padding: 8px 12px 12px; display: flex; flex-direction: column; gap: 6px; }
.sonar-result {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 6px 0;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.sonar-result:last-child { border-bottom: none; }
.sr-dot {
  flex-shrink: 0; margin-top: 6px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--text-muted);
}
.sr-text {
  font-size: 12px; line-height: 1.5; color: var(--text-secondary);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.sr-host {
  margin-left: 6px; font-size: 11px; color: var(--text-muted);
}
.sonar-empty { font-size: 12px; color: var(--text-muted); padding: 4px 0; }

.loading-bubble { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); }
.chat-spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border-color);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.chat-input-area {
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 14px 24px 18px;
}
.chat-attachments {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px;
}
.chat-input-bar {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 6px 6px 6px 8px;
}
.chat-attach-btn {
  grid-column: 1; grid-row: 1;
  width: 38px; height: 38px; flex-shrink: 0;
  border: none; background: transparent; color: var(--text-secondary);
  border-radius: var(--radius-sm); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.chat-attach-btn svg { width: 20px; height: 20px; }
.chat-attach-btn:hover { background: var(--bg-hover); color: var(--color-accent); }
.chat-input {
  grid-column: 2; grid-row: 1;
  min-width: 0; width: 100%; height: 38px; max-height: 126px;
  border: none; background: transparent; outline: none;
  font-size: 14px; line-height: 22px; color: var(--text-primary); padding: 8px 4px;
  resize: none; overflow-y: hidden; white-space: pre-wrap; overflow-wrap: anywhere;
}
.chat-input::placeholder { color: var(--text-tertiary); }
.chat-send {
  grid-column: 3; grid-row: 1;
  flex-shrink: 0;
  display: flex; align-items: center; gap: 6px;
  padding: 9px 18px;
  border: none; border-radius: var(--radius-sm);
  background: var(--gradient-legal);
  color: #fff; font-size: 13px; font-weight: 600; cursor: pointer;
}
.chat-send svg { width: 15px; height: 15px; }
.chat-send:hover { opacity: 0.92; }
.chat-send:disabled { opacity: 0.6; cursor: not-allowed; }

.chat-input-bar.is-multiline {
  align-items: start;
  row-gap: 6px;
}
.chat-input-bar.is-multiline .chat-input {
  grid-column: 1 / 4;
  grid-row: 1;
}
.chat-input-bar.is-multiline .chat-attach-btn {
  grid-column: 1;
  grid-row: 2;
  justify-self: start;
}
.chat-input-bar.is-multiline .chat-send {
  grid-column: 3;
  grid-row: 2;
  justify-self: end;
}

/* ===== 我的研报 ===== */
.myreports-page { max-width: var(--max-width); margin: 0 auto; padding: 32px 24px 60px; }
.myreports-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; margin-bottom: 20px; flex-wrap: wrap;
}
.myreports-upload-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 20px; font-size: 14px;
}
.myreports-upload-btn svg { width: 17px; height: 17px; }
.myreports-tabs { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.myreports-tab {
  padding: 8px 18px; border: 1px solid var(--border-color);
  background: var(--bg-secondary); color: var(--text-secondary);
  border-radius: 999px; font-size: 13px; cursor: pointer;
}
.myreports-tab:hover { border-color: var(--border-hover); color: var(--text-primary); }
.myreports-tab.active {
  background: var(--color-accent); color: #fff; border-color: var(--color-accent);
}
.myreport-card { display: flex; flex-direction: column; }
.myreport-meta {
  display: flex; align-items: center; gap: 10px;
  margin-top: 12px; font-size: 12px; color: var(--text-tertiary); flex-wrap: wrap;
}
.myreport-source {
  padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600;
}
.myreport-source.generated { background: #eaf4ff; color: #2b6cb0; }
.myreport-source.user { background: #eafaf0; color: #2f9e5e; }
.myreport-source.curated { background: var(--bg-tertiary); color: var(--text-secondary); }
.myreport-att { color: var(--text-secondary); }
.myreport-actions {
  display: flex; gap: 8px; margin-top: 14px; padding-top: 12px;
  border-top: 1px solid var(--border-color);
}
.myreport-btn {
  flex: 1; padding: 7px 0;
  border: 1px solid var(--border-color); background: var(--bg-tertiary);
  color: var(--text-primary); border-radius: var(--radius-sm);
  font-size: 12px; cursor: pointer;
}
.myreport-btn:hover { background: var(--bg-hover); border-color: var(--border-hover); }
.myreport-btn.danger { color: var(--color-danger); }
.myreport-btn.danger:hover { background: rgba(250,82,82,0.1); border-color: var(--color-danger); }
.myreports-login, .myreports-empty {
  text-align: center; color: var(--text-tertiary);
  padding: 60px 20px; font-size: 14px;
}
.myreports-login a { color: var(--color-accent); cursor: pointer; }

/* 我的研报：搜索 + 标签筛选 */
.myreports-toolbar { margin-bottom: 20px; }
.myreports-search-wrap {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 0 12px; max-width: 420px;
}
.myreports-search-wrap svg { width: 16px; height: 16px; color: var(--text-tertiary); flex-shrink: 0; }
.myreports-search {
  flex: 1; border: none; background: transparent; outline: none;
  padding: 11px 0; font-size: 14px; color: var(--text-primary);
  font-family: inherit;
}
.myreports-search::placeholder { color: var(--text-tertiary); }
.myreports-tagfilter {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px;
}
.myreports-tagchip {
  padding: 5px 13px; border-radius: 999px; cursor: pointer;
  font-size: 12px; border: 1px solid var(--border-color);
  background: var(--bg-tertiary); color: var(--text-secondary);
}
.myreports-tagchip:hover { border-color: var(--border-hover); color: var(--text-primary); }
.myreports-tagchip.active { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.myreports-tagchip.clear { color: var(--color-danger); border-color: var(--color-danger); }

/* 研究报告弹窗：操作栏（导出 / 分享） */
.research-result-actions {
  display: flex; flex-wrap: wrap; gap: 10px; padding: 14px 32px;
  border-bottom: 1px solid var(--border-color, rgba(255,255,255,0.08));
}
.rr-action-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-color); background: var(--bg-tertiary);
  color: var(--text-primary); font-size: 13px; font-weight: 600; cursor: pointer;
}
.rr-action-btn svg { width: 15px; height: 15px; }
.rr-action-btn:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-legal-light); }
.rr-action-btn:disabled { cursor: wait; opacity: 0.65; pointer-events: none; }
.rr-action-btn[aria-busy="true"] svg { animation: rr-export-spin 0.9s linear infinite; }
@keyframes rr-export-spin { to { transform: rotate(360deg); } }

/* 长图导出：固定版心，不受当前主题和视口影响 */
.long-image-stage {
  position: fixed; left: -20000px; top: 0; z-index: -1;
  width: 1080px; background: #fff; pointer-events: none;
}
.long-image-capture {
  position: relative; width: 1080px; overflow: hidden; background: #fff;
}
.long-image-document {
  box-sizing: border-box; width: 1080px; padding: 72px 82px 54px;
  background: #fff; color: #172033;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 18px; line-height: 1.85; letter-spacing: 0;
}
.long-image-header {
  padding-bottom: 36px; margin-bottom: 36px; border-bottom: 3px solid #172033;
}
.long-image-brand {
  display: flex; align-items: center; gap: 12px; margin-bottom: 30px;
  color: #39455f; font-size: 16px; font-weight: 700;
}
.long-image-brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 7px;
  background: #111827; color: #fff; font-size: 22px; font-weight: 800;
}
.long-image-badge {
  display: inline-block; margin-bottom: 16px; padding: 5px 12px;
  border: 1px solid #3f63e9; border-radius: 4px;
  color: #3154d5; background: #edf2ff; font-size: 14px; font-weight: 700;
}
.long-image-header h1 {
  margin: 0; color: #111827; font-size: 38px; line-height: 1.35; font-weight: 800;
}
.long-image-meta { margin: 18px 0 0; color: #667085; font-size: 15px; line-height: 1.7; }
.long-image-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.long-image-tag {
  padding: 4px 10px; border-radius: 4px; background: #f1f3f7;
  color: #475467; font-size: 13px; font-weight: 600;
}
.long-image-body { color: #273248; }
.long-image-body h1, .long-image-body h2, .long-image-body h3, .long-image-body h4 {
  color: #111827; line-height: 1.45; font-weight: 800;
}
.long-image-body h1 { margin: 44px 0 20px; font-size: 30px; }
.long-image-body h2 {
  margin: 42px 0 18px; padding: 0 0 10px 16px;
  border-left: 5px solid #4263eb; border-bottom: 1px solid #d9deea; font-size: 27px;
}
.long-image-body h3 { margin: 32px 0 14px; font-size: 23px; }
.long-image-body h4 { margin: 26px 0 12px; font-size: 20px; }
.long-image-body p { margin: 12px 0; }
.long-image-body ul, .long-image-body ol { margin: 12px 0; padding-left: 30px; }
.long-image-body li { margin: 6px 0; }
.long-image-body blockquote {
  margin: 22px 0; padding: 16px 22px; border-left: 5px solid #2f9e73;
  border-radius: 0 5px 5px 0; background: #eef8f4; color: #344b43;
}
.long-image-body code {
  padding: 2px 6px; border-radius: 3px; background: #eef1f5; color: #26344f;
  font-family: Consolas, monospace; font-size: 0.88em;
}
.long-image-body pre {
  overflow: hidden; padding: 18px; border: 1px solid #d0d5dd;
  border-radius: 6px; background: #f7f8fa; white-space: pre-wrap; word-break: break-word;
}
.long-image-body table {
  width: 100%; margin: 24px 0; border-collapse: collapse; table-layout: fixed;
  color: #25304a; font-size: 15px;
}
.long-image-body th, .long-image-body td {
  padding: 12px 13px; border: 1px solid #cfd6e3; text-align: left;
  vertical-align: top; overflow-wrap: anywhere;
}
.long-image-body th { background: #263b63; color: #fff; font-weight: 700; }
.long-image-body tr:nth-child(even) td { background: #f7f9fc; }
.long-image-body img, .long-image-body svg, .long-image-body canvas {
  display: block; max-width: 100%; height: auto; margin: 22px auto;
}
.long-image-body a { color: #315bd6; text-decoration: underline; overflow-wrap: anywhere; }
.long-image-resources {
  margin-top: 38px; padding-top: 26px; border-top: 2px solid #d9deea;
  color: #475467; font-size: 15px;
}
.long-image-resources h2 { margin: 0 0 12px; color: #1d2939; font-size: 21px; }
.long-image-resources ol, .long-image-resources ul { margin: 0; padding-left: 25px; }
.long-image-resources li { margin: 6px 0; overflow-wrap: anywhere; }
.long-image-footer {
  display: flex; justify-content: space-between; gap: 20px;
  margin-top: 46px; padding-top: 18px; border-top: 1px solid #d9deea;
  color: #7b8498; font-size: 13px;
}

/* 打印导出区（屏幕隐藏，打印时显示） */
.print-area { display: none; }
.print-doc { color: #1a1a1a; }
.print-badge {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; background: #eef2ff; color: #3b5bdb; margin-bottom: 12px;
}
.print-title { font-size: 24px; font-weight: 800; color: #111; margin: 0 0 8px; line-height: 1.35; }
.print-meta { font-size: 13px; color: #555; margin-bottom: 12px; }
.print-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.print-tag { padding: 3px 10px; border-radius: 999px; background: #f0f2f8; color: #445; font-size: 12px; }
.print-body { font-size: 14px; line-height: 1.8; color: #222; }
.print-body h1, .print-body h2, .print-body h3, .print-body h4 { color: #111; margin: 18px 0 8px; line-height: 1.4; }
.print-body h2 { font-size: 18px; }
.print-body h3 { font-size: 16px; }
.print-body p { margin: 8px 0; }
.print-body ul { margin: 8px 0; padding-left: 22px; }
.print-body li { margin: 4px 0; }
.print-body blockquote {
  margin: 12px 0; padding: 10px 16px; border-left: 3px solid #3b5bdb;
  background: #f6f8ff; border-radius: 0 8px 8px 0; color: #555;
}

@media print {
  body * { visibility: hidden !important; }
  #printArea, #printArea * { visibility: visible !important; }
  #printArea {
    display: block !important; position: absolute; left: 0; top: 0;
    width: 100%; padding: 24px 28px; background: #fff;
  }
  .modal-overlay, .navbar, .app-sidebar, .footer, .chat-page { display: none !important; }
}

/* ===== 研报上传/编辑弹窗 ===== */
.report-upload-modal {
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  text-align: left;
}
.report-upload-modal .modal-header { margin-bottom: 18px; }
.report-upload-modal .modal-title { font-size: 20px; font-weight: 800; color: var(--text-primary); }
.report-upload-modal .modal-subtitle { font-size: 13px; color: var(--text-tertiary); margin-top: 4px; }
.report-upload-modal .field-group { margin-bottom: 16px; text-align: left; }
.report-upload-modal .field-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.report-upload-modal .field-input {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--border-color); border-radius: var(--radius-sm);
  background: var(--bg-input); color: var(--text-primary); font-size: 14px;
  font-family: inherit;
}
.report-upload-modal .field-input:focus { outline: none; border-color: var(--color-accent); }
.report-upload-modal .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ru-dropzone {
  border: 1.5px dashed var(--border-hover);
  border-radius: var(--radius-md);
  padding: 22px; text-align: center; color: var(--text-tertiary);
  background: var(--bg-tertiary);
}
.ru-dropzone.dragover { border-color: var(--color-accent); background: var(--color-legal-light); }
.ru-dropzone-text { font-size: 13px; margin-bottom: 10px; }
.ru-filelist { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.ru-file-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; background: var(--bg-tertiary);
  border: 1px solid var(--border-color); border-radius: var(--radius-sm);
  font-size: 13px; color: var(--text-primary);
}
.ru-file-item .search-attachment-chip-remove {
  border: none; background: transparent; color: var(--text-tertiary); cursor: pointer;
}
.ru-file-item .search-attachment-chip-remove:hover { color: var(--color-danger); }
.report-upload-modal .btn-auth-submit { width: 100%; margin-top: 8px; }

/* ===== 研究报告弹窗附件 ===== */
.research-result-attachments { margin-top: 18px; }
.rr-att-item {
  display: inline-flex; align-items: center; gap: 6px;
  margin: 4px 8px 4px 0;
  padding: 6px 12px; border: 1px solid var(--border-color);
  border-radius: var(--radius-sm); font-size: 13px;
  color: var(--color-accent); text-decoration: none; background: var(--bg-tertiary);
}
.rr-att-item:hover { border-color: var(--color-accent); background: var(--color-legal-light); }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 960px) {
  .hamburger { display: flex; }
  .navbar-center { display: none; }

  /* 顶栏导航在移动端只显示图标，避免拥挤溢出 */
  .navbar-right .nav-link span { display: none; }
  .navbar-right .nav-link { padding: 8px; gap: 0; }
  .navbar-right .nav-link svg { width: 20px; height: 20px; }
  .navbar-right .btn-auth span { display: none; }
  .navbar-right .btn-auth { padding: 8px; }

  /* 桌面端折叠后的展开按钮在移动端隐藏（移动端用汉堡按钮驱动抽屉） */
  .sidebar-expand-btn { display: none !important; }

  .app-sidebar {
    position: fixed;
    top: var(--nav-height);
    left: 0; bottom: 0;
    width: var(--sidebar-width);
    max-width: 82vw;
    transform: translateX(-100%);
    transition: transform var(--transition);
    z-index: 995;
  }
  body.mobile-sidebar-open .app-sidebar { transform: translateX(0); }

  .main-content { margin-left: 0; }
  .report-grid { grid-template-columns: 1fr 1fr; }
  .library-layout { grid-template-columns: 1fr; }
  .library-sidebar {
    display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px;
  }
  .library-sidebar .filter-group { display: flex; gap: 8px; }
  .library-sidebar .filter-option { white-space: nowrap; }
  .chat-bubble { max-width: 88%; }
  .reasoning-sonar-grid { grid-template-columns: 1fr; }
  .myreports-header { flex-direction: column; align-items: stretch; }
}

/* 移动端抽屉遮罩（真实可点击元素，点击关闭侧栏） */
.sidebar-overlay {
  position: fixed;
  inset: var(--nav-height) 0 0 0;
  background: rgba(0,0,0,0.45);
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 640px) {
  .chat-header { padding: 12px 14px; }
  .chat-export-pdf { width: 36px; min-width: 36px; padding: 8px; }
  .chat-export-pdf span { display: none; }
  .chat-messages { padding: 18px 14px; }
  .chat-input-area { padding: 12px 14px 16px; }
  .search-input-wrapper { padding-left: 12px; }
  .search-input { padding-left: 8px; padding-right: 6px; }
  .search-btn { padding: 10px 13px; }
  .chat-input-bar { gap: 6px; }
  .chat-send { padding: 9px 12px; }
  .chat-bubble { max-width: 92%; }
  .chat-bubble.reasoning { padding: 14px; }
  .reasoning-sonar-grid { gap: 10px; }
  .rq-text { font-size: 12px; }
  .sonar-card-q { font-size: 12px; }

  .myreports-page { padding: 20px 14px 50px; }
  .report-grid { grid-template-columns: 1fr; }
  .report-upload-modal .form-row { grid-template-columns: 1fr; }

  .research-modal { width: 94%; max-height: 92vh; padding: 20px 16px; }
  .research-loading-card { width: 90%; }

  .hero-section { padding: 32px 16px; }
  .feed-section { padding: 0 16px 40px; }
  .custom-form { padding: 24px 18px; }
  .recharge-page { padding: 0 14px 24px; }
  .upload-page { padding: 0 14px; }
}

/* Final mobile precedence: keep the V2 shell authoritative over legacy rules. */
body[data-research-type="finance"] {
  --color-accent: #d88900;
  --color-accent-hover: #b86f00;
}

@media (max-width: 960px) {
  .hamburger,
  .app-sidebar,
  .sidebar-expand-btn,
  .sidebar-overlay {
    display: none !important;
  }

  .navbar-center {
    display: flex;
  }

  .report-grid {
    grid-template-columns: 1fr;
  }

  .library-sidebar {
    display: flex;
    gap: 7px;
    padding: 0 var(--mobile-page-gutter) 4px;
  }

  .library-sidebar .filter-group {
    display: contents;
  }

  .chat-bubble,
  .chat-bubble.assistant,
  .chat-bubble.reasoning,
  .chat-bubble.assistant.streaming-report {
    max-width: 100%;
  }

  .chat-bubble.user {
    max-width: 88%;
  }
}

@media (max-width: 640px) {
  .hero-section {
    padding: 26px var(--mobile-page-gutter) 24px;
  }

  .feed-section {
    padding: 0 var(--mobile-page-gutter) 32px;
  }

  .search-input-wrapper,
  .search-input-wrapper.is-multiline {
    padding: 10px 8px 8px;
  }

  .search-input,
  .search-input-wrapper.is-multiline .search-input {
    padding: 4px 6px;
  }

  .chat-header {
    padding: max(10px, env(safe-area-inset-top)) 12px 10px;
  }

  .chat-messages {
    padding: 16px 12px;
  }

  .chat-input-area {
    padding: 9px 10px calc(9px + env(safe-area-inset-bottom));
  }

  .chat-send {
    width: 42px;
    min-width: 42px;
    height: 42px;
    padding: 0;
    justify-content: center;
    font-size: 0;
  }

  .chat-new {
    display: none;
  }

  body[data-research-type="finance"] .mobile-menu-icon,
  body[data-research-type="finance"] .mobile-record-empty-icon {
    background: var(--color-finance-light);
  }

  #researchOverlay .research-modal {
    width: 100vw;
    max-width: none;
    height: 100dvh;
    max-height: none;
    padding: 0;
  }

  #researchOverlay .research-result-actions {
    position: absolute;
    z-index: 5;
    left: 10px;
    right: 10px;
    bottom: calc(8px + env(safe-area-inset-bottom));
    min-height: 52px;
    margin: 0;
    padding: 6px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: color-mix(in srgb, var(--bg-secondary) 96%, transparent);
    backdrop-filter: blur(16px);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.16);
  }

  #researchOverlay .rr-action-btn {
    min-width: 0;
    min-height: 40px;
    padding: 7px 5px;
    justify-content: center;
    border: 0;
    border-radius: 6px;
    font-size: 10px;
  }

  #researchLoadingOverlay .research-loading-card {
    width: 100%;
    max-width: none;
  }
}
.capability-locked {
  position: relative;
  border-style: dashed !important;
  filter: saturate(.55);
  opacity: .72;
}
.capability-locked::after {
  content: '';
  width: 7px;
  height: 7px;
  position: absolute;
  top: 4px;
  right: 4px;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  box-sizing: border-box;
}