:root {
  --bg: #0b0e14;
  --bg-elevated: #121820;
  --card: #161d28;
  --card-hover: #1c2533;
  --text: #e8edf4;
  --muted: #8b95a8;
  --up: #f6465d;
  --down: #2ebd85;
  --accent: #4d9fff;
  --accent-dim: rgba(77, 159, 255, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --radius: 12px;
  --sidebar-w: 220px;
  --topbar-h: 56px;
  --bottom-nav-h: 62px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
}

/* Sidebar — desktop */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  transform: translateX(0);
  transition: transform 0.25s ease;
}
.sidebar.collapsed { transform: translateX(-100%); }

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
}
.brand-icon { font-size: 28px; }
.brand-title { font-weight: 700; font-size: 16px; }
.brand-sub { font-size: 11px; color: var(--muted); }

.side-nav { flex: 1; padding: 12px 8px; display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: background 0.15s, color 0.15s;
}
.nav-item:hover { background: var(--card); color: var(--text); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); font-weight: 600; }
.nav-icon { font-size: 16px; width: 22px; text-align: center; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--down); }
.status-dot.online { box-shadow: 0 0 8px var(--down); }

.main-column {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding-bottom: 0;
}

.topbar {
  height: var(--topbar-h);
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 30;
}
.menu-toggle {
  display: none;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
}
.page-title { flex: 1; font-size: 17px; font-weight: 600; margin: 0; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }
.token-input {
  width: 120px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 13px;
}

.page-content {
  flex: 1;
  padding: 16px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}
.page-content.hidden { display: none; }

.panel { display: none; animation: fadeIn 0.2s ease; }
.panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.page-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}
.card-heading { margin: 0 0 12px; font-size: 15px; font-weight: 600; }

.chip-scroll, .sub-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 12px;
  scrollbar-width: none;
}
.chip-scroll::-webkit-scrollbar { display: none; }
.chip, .sub-tabs button {
  flex: 0 0 auto;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}
.chip.active, .sub-tabs button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.card:hover { background: var(--card-hover); }
.card:active { transform: scale(0.99); }

.row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.name { font-weight: 600; font-size: 15px; }
.code { color: var(--muted); font-size: 12px; margin-top: 2px; }
.price { font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; }
.up { color: var(--up); }
.down { color: var(--down); }

.search-bar, .toolbar { display: flex; gap: 8px; flex-wrap: wrap; }
.search-bar input, .toolbar input, .toolbar select, .field-full, .field-row input {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 14px;
}
.search-results { margin-top: 10px; }
.search-results.hidden { display: none; }

input, button, select, textarea {
  font-family: inherit;
  font-size: 14px;
}
button { cursor: pointer; border-radius: 8px; }
.btn-accent, .btn-primary, #saveToken {
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 10px 16px;
  font-weight: 500;
}
.btn-sm { padding: 8px 12px; font-size: 13px; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
}
.btn-danger { background: #dc3545; border: none; color: #fff; padding: 12px; flex: 1; }
.btn-primary { flex: 1; padding: 12px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }

.hint { color: var(--muted); font-size: 12px; margin: 8px 0 0; }
.hint code { background: var(--bg-elevated); padding: 2px 6px; border-radius: 4px; font-size: 11px; }
.empty { text-align: center; color: var(--muted); padding: 48px 16px; }

.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--card); }
.data-table th, .data-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
.data-table th { color: var(--muted); font-weight: 500; background: var(--bg-elevated); position: sticky; top: 0; }

.mpanel, .fpanel { display: none; }
.mpanel.active, .fpanel.active { display: block; }

.region-title { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin: 16px 0 8px; }

/* Settings */
.settings-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .settings-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
  .settings-grid { grid-template-columns: repeat(2, 1fr); }
}
.field { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 14px; }
.field-row { display: flex; gap: 8px; margin-bottom: 8px; }
.field-full { width: 100%; margin-bottom: 8px; }
textarea.field-full { resize: vertical; min-height: 72px; }
.reserved-card { border-style: dashed; }
.cap-list { display: flex; flex-direction: column; gap: 6px; }
.cap-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 10px; background: var(--bg-elevated); border-radius: 8px; font-size: 13px;
}
.cap-badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; }
.cap-badge.active { background: rgba(46, 189, 133, 0.2); color: var(--down); }
.cap-badge.reserved { background: rgba(139, 149, 168, 0.2); color: var(--muted); }

/* Detail overlay */
.detail-view {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 50;
  overflow-y: auto;
  padding-bottom: 32px;
}
.detail-view.hidden { display: none; }
.detail-header { padding: 16px; border-bottom: 1px solid var(--border); }
.back-btn { background: var(--card); border: 1px solid var(--border); color: var(--accent); padding: 8px 14px; margin-bottom: 12px; }
.detail-price-block { display: flex; align-items: baseline; gap: 12px; }
.detail-price-block .price { font-size: 32px; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 8px;
  padding: 16px;
}
.stat-item { background: var(--card); border-radius: 10px; padding: 12px 8px; text-align: center; border: 1px solid var(--border); }
.stat-label { font-size: 11px; color: var(--muted); }
.stat-value { font-size: 14px; font-weight: 600; margin-top: 4px; }
.order-book { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 0 16px 16px; }
.order-col { background: var(--card); border-radius: 10px; padding: 12px; border: 1px solid var(--border); font-size: 12px; }
.order-col h4 { margin: 0 0 8px; color: var(--muted); font-size: 12px; }
.order-row { display: flex; justify-content: space-between; padding: 3px 0; }
.chart-tabs { display: flex; gap: 6px; padding: 0 16px 10px; }
.chart-tabs button { flex: 1; padding: 8px; background: var(--card); border: 1px solid var(--border); color: var(--text); }
.chart-tabs button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.chart-box {
  height: min(360px, 45vh); margin: 0 16px 16px;
  background: var(--card); border-radius: var(--radius); border: 1px solid var(--border);
  touch-action: none; overscroll-behavior: contain;
}
.chart-hint {
  margin: -8px 16px 12px; font-size: 11px; color: var(--muted); text-align: center;
}
.detail-actions { padding: 0 16px; display: flex; gap: 10px; }
.section-title { font-size: 14px; color: var(--muted); margin: 16px 16px 8px; }
.list-body { padding: 0 16px; }
.report-item { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 12px; margin-bottom: 8px; }
.report-meta { color: var(--muted); font-size: 11px; margin-top: 6px; }
.hot-tabs { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }
.hot-tabs button { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--card); color: var(--text); }
.hot-tabs button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.hidden { display: none !important; }

/* 快讯卡片 */
.news-feed { display: flex; flex-direction: column; gap: 10px; }
.news-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; padding: 10px 14px;
}
.news-toolbar-title { font-size: 14px; font-weight: 600; color: var(--text); }
.news-date-divider {
  text-align: center; font-size: 12px; color: var(--muted);
  padding: 8px 0 4px; position: relative;
}
.news-date-divider span {
  background: var(--bg); padding: 0 12px; position: relative; z-index: 1;
}
.news-date-divider::before {
  content: ''; position: absolute; left: 0; right: 0; top: 50%;
  border-top: 1px solid var(--border);
}
.news-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.news-card:hover { background: var(--card-hover); }
.news-card.important { border-left: 3px solid var(--up); }
.news-card-head {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px;
}
.news-time-badge {
  font-size: 12px; font-weight: 600; color: var(--accent);
  background: var(--accent-dim); padding: 2px 8px; border-radius: 6px;
  font-variant-numeric: tabular-nums;
}
.news-card.important .news-time-badge { color: var(--up); background: rgba(246, 70, 93, 0.12); }
.news-badge {
  font-size: 11px; padding: 2px 6px; border-radius: 4px;
  background: rgba(246, 70, 93, 0.15); color: var(--up);
}
.news-source { font-size: 11px; color: var(--muted); margin-left: auto; }
.news-title {
  font-size: 14px; font-weight: 600; line-height: 1.45; margin-bottom: 6px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card.expanded .news-title { -webkit-line-clamp: unset; display: block; }
.news-summary {
  font-size: 13px; color: var(--muted); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card.expanded .news-summary { -webkit-line-clamp: unset; display: block; color: var(--text); }
.news-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.news-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--bg-elevated); color: var(--down); border: 1px solid var(--border);
}
.news-tag.stock { color: var(--accent); }
.news-expand-hint {
  font-size: 11px; color: var(--muted); margin-top: 8px; text-align: right;
}
.news-card.expanded .news-expand-hint::after { content: '点击收起'; }
.news-card:not(.expanded) .news-expand-hint::after { content: '点击展开'; }

/* Bottom nav — mobile */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-h);
  background: rgba(18, 24, 32, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  z-index: 35;
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.bottom-nav .nav-item {
  flex: 1;
  flex-direction: column;
  gap: 2px;
  padding: 8px 4px;
  font-size: 10px;
  border-radius: 0;
  justify-content: center;
}
.bottom-nav .nav-item span { font-size: 18px; }

@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow); }
  .main-column { margin-left: 0; padding-bottom: var(--bottom-nav-h); }
  .menu-toggle { display: flex; align-items: center; justify-content: center; }
  .bottom-nav { display: flex; }
  .token-input { width: 88px; }
  .page-content { padding: 12px; }
}

@media (min-width: 901px) {
  .sidebar.collapsed { transform: translateX(0); }
}

@media (min-width: 1200px) {
  .page-content { padding: 24px 32px; }
  .stats-grid { grid-template-columns: repeat(5, 1fr); }
}

.user-badge {
  font-size: 11px; padding: 4px 8px; border-radius: 999px;
  background: var(--accent-dim); color: var(--accent); white-space: nowrap;
}
.user-badge.guest { background: rgba(139,152,165,0.15); color: var(--muted); }

.site-footer {
  text-align: center; padding: 16px 12px 24px; margin-top: 8px;
  border-top: 1px solid var(--border); color: var(--muted); font-size: 12px;
}
.site-footer strong { color: var(--text); }
.footer-sub { font-size: 11px; margin-top: 4px; opacity: 0.85; }

.detail-panel { margin: 0 16px 12px; padding: 12px 14px; }
.detail-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.detail-panel .section-title { margin: 0 0 8px; }
.ai-result { white-space: pre-wrap; line-height: 1.55; font-size: 13px; max-height: 200px; overflow-y: auto; }

.signal-list { display: flex; flex-direction: column; gap: 8px; max-height: 280px; overflow-y: auto; }
.signal-card {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 12px; font-size: 12px;
}
.signal-card time { color: var(--muted); font-size: 11px; }
.signal-card .sig-title { font-weight: 600; margin: 4px 0; }

.watch-profit { font-size: 12px; margin-top: 4px; }