/* ============================================
   立选量化 · 机构级选股引擎 — 样式表
   Military-grade dark terminal theme
   ============================================ */

:root {
  --bg-deep: #070b12;
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #161e2c;
  --bg-hover: #1c2840;
  --bg-input: #0f1724;
  --border: #1e3050;
  --border-light: #263a55;
  --text-primary: #e2e8f0;
  --text-secondary: #8fa3b8;
  --text-muted: #506680;
  --accent: #3b82f6;
  --accent-bright: #60a5fa;
  --accent-glow: rgba(59,130,246,.25);
  --green: #10b981;
  --green-bg: rgba(16,185,129,.12);
  --red: #ef4444;
  --red-bg: rgba(239,68,68,.12);
  --gold: #f59e0b;
  --gold-bg: rgba(245,158,11,.12);
  --cyan: #06b6d4;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,.4);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.25);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
}

* { margin:0; padding:0; box-sizing:border-box; }
html,body { height:100%; overflow:hidden; }
body {
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ======== SCROLLBAR ======== */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ======== TOPBAR ======== */
#topbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  height: 48px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
  z-index: 100;
  position: relative;
}
.topbar-left { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.logo { font-size:18px; font-weight:800; color:var(--accent-bright); letter-spacing:.5px; white-space:nowrap; }
.logo i { color:var(--cyan); margin-right:6px; }
.badge {
  font-size:9px; font-weight:700; background:var(--accent); color:#fff; padding:2px 8px; border-radius:3px;
  letter-spacing:1.5px; white-space:nowrap;
}
.ticker-bar {
  flex:1; overflow:hidden; position:relative; height:32px;
  mask-image:linear-gradient(to right,transparent 0,#000 5%,#000 95%,transparent 100%);
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 5%,#000 95%,transparent 100%);
}
.ticker-track {
  display:flex; gap:32px; white-space:nowrap;
  animation: ticker-scroll 120s linear infinite;
  padding: 4px 0;
}
.ticker-item { font-size:12px; font-family:var(--font-mono); display:flex; align-items:center; gap:6px; }
.ticker-item .t-name { color:var(--text-secondary); }
.ticker-item .t-price { font-weight:600; }
.ticker-item .t-change { font-weight:600; }
.ticker-item.up .t-price, .ticker-item.up .t-change { color:var(--red); }
.ticker-item.down .t-price, .ticker-item.down .t-change { color:var(--green); }
@keyframes ticker-scroll {
  0% { transform:translateX(0); }
  100% { transform:translateX(-50%); }
}
.topbar-right { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.clock { font-family:var(--font-mono); font-size:13px; color:var(--text-secondary); }
.user-info { font-size:12px; color:var(--accent-bright); font-weight:500; }

/* ======== AUTH OVERLAY ======== */
.auth-overlay {
  position:fixed; inset:0; background:var(--bg-deep);
  display:flex; align-items:center; justify-content:center;
  z-index:999; opacity:1; transition:opacity .3s;
}
.auth-overlay:not(.active) { opacity:0; pointer-events:none; }
.auth-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:40px; width:420px; max-width:90vw;
  box-shadow:0 0 60px var(--accent-glow);
}
.auth-header { text-align:center; margin-bottom:28px; }
.auth-header i { font-size:32px; color:var(--accent); margin-bottom:12px; display:block; }
.auth-header h2 { font-size:22px; font-weight:700; margin-bottom:4px; }
.auth-header p { font-size:13px; color:var(--text-muted); }
.auth-form { display:flex; flex-direction:column; gap:14px; }
.input-group {
  display:flex; align-items:center; background:var(--bg-input); border:1px solid var(--border);
  border-radius:var(--radius); padding:0 14px; transition:border-color .2s;
}
.input-group:focus-within { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-glow); }
.input-group i { color:var(--text-muted); margin-right:10px; font-size:14px; }
.input-group input {
  flex:1; background:none; border:none; outline:none; color:var(--text-primary);
  font-size:14px; padding:12px 0; font-family:var(--font);
}
.input-group input::placeholder { color:var(--text-muted); }
.auth-switch { text-align:center; font-size:12px; color:var(--text-muted); margin-top:8px; }
.auth-switch a { color:var(--accent-bright); text-decoration:none; }
.auth-switch code { background:var(--bg-hover); padding:2px 6px; border-radius:3px; font-size:11px; }

/* ======== BUTTONS ======== */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  padding:10px 20px; border-radius:var(--radius); border:none; cursor:pointer;
  font-size:14px; font-weight:600; font-family:var(--font);
  transition:all .15s; white-space:nowrap;
}
.btn:active { transform:scale(.97); }
.btn-primary { background:var(--accent); color:#fff; }
.btn-primary:hover { background:var(--accent-bright); box-shadow:0 0 16px var(--accent-glow); }
.btn-accent { background:linear-gradient(135deg, var(--gold), #d97706); color:#fff; }
.btn-accent:hover { box-shadow:0 0 16px rgba(245,158,11,.3); }
.btn-outline { background:transparent; border:1px solid var(--border-light); color:var(--text-secondary); }
.btn-outline:hover { border-color:var(--accent); color:var(--accent-bright); background:rgba(59,130,246,.05); }
.btn-ghost { background:transparent; color:var(--text-muted); padding:6px 10px; font-size:12px; }
.btn-ghost:hover { color:var(--red); }
.btn-sm { padding:6px 14px; font-size:12px; }
.btn-block { width:100%; }

/* ======== NAVBAR ======== */
.navbar {
  display:flex; background:var(--bg-primary); border-bottom:1px solid var(--border);
  padding:0 20px; gap:2px; overflow-x:auto;
}
.nav-btn {
  background:none; border:none; color:var(--text-muted); padding:12px 20px; cursor:pointer;
  font-size:13px; font-weight:600; font-family:var(--font); border-bottom:2px solid transparent;
  transition:all .2s; white-space:nowrap; display:flex; align-items:center; gap:6px;
}
.nav-btn:hover { color:var(--text-secondary); }
.nav-btn.active { color:var(--accent-bright); border-bottom-color:var(--accent-bright); }

/* ======== MAIN CONTENT ======== */
.main-app { height:calc(100vh - 48px); display:flex; flex-direction:column; overflow:hidden; }
.tab-content { display:none; flex:1; overflow-y:auto; padding:20px; }
.tab-content.active { display:flex; flex-direction:column; }

/* ======== PANELS ======== */
.panel-header {
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:16px; flex-wrap:wrap; gap:12px;
}
.panel-header h3 { font-size:18px; font-weight:700; display:flex; align-items:center; gap:8px; }
.panel-header h3 i { color:var(--accent-bright); }
.panel-desc { font-size:12px; color:var(--text-muted); }

/* ======== FILTER BAR ======== */
.filter-bar {
  display:flex; align-items:flex-end; gap:16px; margin-bottom:16px;
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:14px 18px; flex-wrap:wrap;
}
.filter-group {
  display:flex; flex-direction:column; gap:4px;
}
.filter-group label { font-size:11px; color:var(--text-muted); font-weight:600; text-transform:uppercase; }
.filter-group input {
  width:80px; background:var(--bg-input); border:1px solid var(--border); border-radius:var(--radius);
  padding:8px 10px; color:var(--text-primary); font-family:var(--font-mono); font-size:13px; outline:none;
}
.filter-group input:focus { border-color:var(--accent); }

/* ======== TABLE ======== */
.table-wrap {
  flex:1; overflow:auto; border:1px solid var(--border); border-radius:var(--radius);
  background:var(--bg-card);
}
.data-table {
  width:100%; border-collapse:collapse; font-size:13px;
}
.data-table thead { position:sticky; top:0; z-index:1; }
.data-table th {
  background:var(--bg-hover); color:var(--text-muted); font-weight:600; font-size:11px;
  text-transform:uppercase; letter-spacing:.5px; padding:10px 14px; text-align:left;
  border-bottom:1px solid var(--border);
}
.data-table td {
  padding:10px 14px; border-bottom:1px solid rgba(30,48,80,.5);
  font-family:var(--font-mono); font-size:13px;
}
.data-table tbody tr { transition:background .15s; cursor:pointer; }
.data-table tbody tr:hover { background:var(--bg-hover); }
.data-table .up { color:var(--red); }
.data-table .down { color:var(--green); }
.data-table .empty-row { text-align:center; color:var(--text-muted); padding:40px; font-family:var(--font); }

/* ======== SEARCH ======== */
.search-box {
  display:flex; align-items:center; background:var(--bg-input); border:1px solid var(--border);
  border-radius:var(--radius); padding:0 12px; gap:8px; transition:border-color .2s;
}
.search-box:focus-within { border-color:var(--accent); }
.search-box i { color:var(--text-muted); font-size:13px; }
.search-box input {
  background:none; border:none; outline:none; color:var(--text-primary);
  font-size:14px; padding:8px 0; width:200px; font-family:var(--font);
}
.search-box input::placeholder { color:var(--text-muted); }

/* ======== STOCK DETAIL ======== */
.stock-detail { margin-bottom:16px; }
.stock-header-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:18px 24px; display:flex; align-items:center; gap:24px; flex-wrap:wrap;
}
.stock-info h2 { font-size:20px; font-weight:700; }
.stock-info .code-tag {
  display:inline-block; font-family:var(--font-mono); font-size:12px; color:var(--text-muted);
  background:var(--bg-hover); padding:2px 8px; border-radius:4px; margin-left:8px;
}
.stock-price-row { display:flex; align-items:baseline; gap:10px; margin-top:4px; }
.price-lg { font-size:28px; font-weight:800; font-family:var(--font-mono); }
.change-tag { font-size:15px; font-weight:700; font-family:var(--font-mono); padding:2px 10px; border-radius:4px; }
.change-tag.up { color:var(--red); background:var(--red-bg); }
.change-tag.down { color:var(--green); background:var(--green-bg); }
.stock-indicators { display:flex; gap:16px; flex-wrap:wrap; margin-left:auto; }
.indicator-item {
  display:flex; flex-direction:column; align-items:center; padding:8px 14px;
  background:var(--bg-hover); border-radius:var(--radius); min-width:64px;
}
.ind-label { font-size:10px; color:var(--text-muted); text-transform:uppercase; font-weight:600; }
.ind-value { font-size:15px; font-weight:700; font-family:var(--font-mono); margin-top:2px; }
.ind-value.golden { color:var(--red); }
.ind-value.death { color:var(--green); }
.ind-value.bull { color:var(--red); }
.ind-value.bear { color:var(--green); }

/* ======== CHARTS ======== */
.charts-row { display:flex; gap:16px; margin-bottom:16px; }
.chart-panel {
  flex:1; background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); padding:14px; min-height:340px;
}
.chart-panel.full { flex:1 1 100%; }
.chart-panel h4 { font-size:13px; color:var(--text-secondary); margin-bottom:10px; display:flex; align-items:center; gap:6px; }
.chart-container { width:100%; height:300px; }

/* ======== ACCOUNT ======== */
.account-cards { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:14px; margin-bottom:20px; }
.account-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:18px; display:flex; align-items:center; gap:14px;
}
.card-icon { font-size:24px; color:var(--accent-bright); }
.card-info { display:flex; flex-direction:column; }
.card-label { font-size:11px; color:var(--text-muted); text-transform:uppercase; font-weight:600; }
.card-value { font-size:16px; font-weight:700; font-family:var(--font-mono); }
.vip-section { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; }
.vip-section h4 { font-size:15px; margin-bottom:14px; display:flex; align-items:center; gap:8px; }
.pricing-cards { display:flex; gap:14px; flex-wrap:wrap; }
.pricing-card {
  background:var(--bg-hover); border:1px solid var(--border); border-radius:var(--radius);
  padding:20px 24px; text-align:center; cursor:pointer; transition:all .2s; flex:1; min-width:140px;
  position:relative;
}
.pricing-card:hover { border-color:var(--accent); transform:translateY(-2px); box-shadow:0 4px 20px var(--accent-glow); }
.pricing-card.featured { border-color:var(--gold); background:rgba(245,158,11,.05); }
.plan-badge {
  position:absolute; top:-10px; right:12px; background:var(--gold); color:#000; font-size:10px;
  font-weight:700; padding:2px 10px; border-radius:10px;
}
.plan-name { font-size:14px; color:var(--text-secondary); margin-bottom:6px; }
.plan-price { font-size:28px; font-weight:800; margin-bottom:12px; font-family:var(--font-mono); }
.plan-price span { font-size:13px; color:var(--text-muted); font-weight:400; }

/* ======== EMPTY STATE ======== */
.empty-state {
  text-align:center; padding:60px 20px; color:var(--text-muted);
}
.empty-state i { font-size:48px; margin-bottom:14px; opacity:.3; display:block; }
.empty-state p { font-size:16px; font-weight:600; margin-bottom:4px; }
.empty-state span { font-size:12px; }

/* ======== TOAST ======== */
.toast-container { position:fixed; top:60px; right:20px; z-index:9999; display:flex; flex-direction:column; gap:8px; }
.toast {
  padding:12px 20px; border-radius:var(--radius); color:#fff; font-size:13px; font-weight:600;
  animation:slideIn .3s ease; box-shadow:var(--shadow); max-width:360px;
}
.toast.success { background:var(--green); }
.toast.error { background:var(--red); }
.toast.info { background:var(--accent); }
.toast.warning { background:var(--gold); }
@keyframes slideIn { from { transform:translateX(120%); opacity:0; } to { transform:translateX(0); opacity:1; } }

/* ======== RESPONSIVE ======== */
@media (max-width:768px) {
  .navbar { gap:0; }
  .nav-btn { padding:10px 12px; font-size:12px; }
  .tab-content { padding:12px; }
  .charts-row { flex-direction:column; }
  .stock-header-card { flex-direction:column; align-items:flex-start; }
  .stock-indicators { margin-left:0; }
  .pricing-cards { flex-direction:column; }
  .search-box input { width:120px; }
  .badge { display:none; }
}