/* 寻水跟单 — dark finance dashboard */
:root {
  --bg: #07090d;
  --bg-elev: #0d1118;
  --bg-card: #11161f;
  --bg-card-hover: #151c28;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.12);
  --text: #e8ecf4;
  --text-muted: #8b95a8;
  --accent: #c8a45a;
  --accent-dim: rgba(200, 164, 90, 0.15);
  --accent-glow: rgba(200, 164, 90, 0.35);
  --long: #2dd4a8;
  --short: #f07178;
  --up: #2dd4a8;
  --down: #f07178;
  --radius: 14px;
  --font: "Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --max: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--accent);
}

img {
  max-width: 100%;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.wrap.narrow {
  width: min(100% - 2rem, 720px);
}

/* Ambient background */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: min(900px, 120vw);
  height: 520px;
  z-index: -1;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 65%);
  opacity: 0.22;
  pointer-events: none;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(7, 9, 13, 0.75);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 60px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.logo:hover {
  color: var(--text);
}

.logo-mark {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.logo-text {
  font-size: 0.95rem;
}

.nav {
  display: none;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.nav a:hover {
  color: var(--text);
}

@media (min-width: 720px) {
  .nav {
    display: flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.25rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn-sm {
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--accent);
  color: #0a0c10;
}

.btn-primary:hover {
  background: #d4b46a;
  color: #0a0c10;
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

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

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

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

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* Hero */
.hero {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
}

.hero-inner {
  max-width: 640px;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.3rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(200, 164, 90, 0.25);
  border-radius: 999px;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.value-prop {
  margin: 0 auto 1.75rem;
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 34em;
}

.value-prop strong {
  color: var(--text);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.hero-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(17, 22, 31, 0.6), transparent);
}

.section-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.section-head h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.section-desc {
  margin: -0.5rem 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 40em;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 6px;
}

.badge-demo {
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(200, 164, 90, 0.28);
}

.muted {
  color: var(--text-muted);
}

.small {
  font-size: 0.82rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}

.lead-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.lead-meta {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.lead-name {
  margin: 0 0 0.15rem;
  font-size: 1.1rem;
}

.lead-meta .muted {
  margin: 0;
  font-size: 0.85rem;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1rem;
  background: linear-gradient(145deg, #1a2230, #0e131c);
  border: 1px solid var(--border-strong);
  color: var(--accent);
  flex-shrink: 0;
}

.av-b { color: #7eb8ff; }
.av-c { color: #b8a0ff; }
.av-d { color: #7ed9c0; }

/* Positions table */
.table-wrap {
  padding: 0;
  overflow: hidden;
}

.table-caption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 500;
}

.positions {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.positions th,
.positions td {
  padding: 0.85rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.positions th {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.2);
}

.positions tbody tr:last-child td {
  border-bottom: none;
}

.positions tbody tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.sym {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.side {
  display: inline-block;
  min-width: 2em;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
}

.side.long {
  color: var(--long);
  background: rgba(45, 212, 168, 0.12);
}

.side.short {
  color: var(--short);
  background: rgba(240, 113, 120, 0.12);
}

.pnl {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.pnl.up { color: var(--up); }
.pnl.down { color: var(--down); }

.table-foot {
  margin: 0;
  padding: 0.85rem 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
}

@media (max-width: 640px) {
  .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .positions {
    min-width: 560px;
  }
}

/* Trader cards */
.trader-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .trader-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .trader-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.trader-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.15s, background 0.15s;
}

.trader-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
}

.trader-top {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.trader-top h3 {
  margin: 0 0 0.1rem;
  font-size: 1rem;
}

.trader-top .muted {
  margin: 0;
  font-size: 0.8rem;
}

.trader-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.trader-stats li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.trader-stats strong {
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.card-note {
  margin: 0;
  font-size: 0.75rem;
  text-align: center;
}

/* About */
.about-card p {
  margin: 0 0 1rem;
}

.about-card p:last-child {
  margin-bottom: 0;
}

.disclaimer {
  padding: 1rem;
  background: rgba(240, 113, 120, 0.06);
  border: 1px solid rgba(240, 113, 120, 0.18);
  border-radius: 10px;
  font-size: 0.9rem;
  color: #d4d8e0;
}

.disclaimer strong {
  color: var(--short);
}

/* Footer */
.footer {
  margin-top: 2rem;
  padding: 2.5rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  gap: 1.25rem;
}

.footer .logo-text {
  font-weight: 600;
}

.footer .muted {
  margin: 0.25rem 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.footer-links a {
  color: var(--text-muted);
}

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

.copy {
  margin: 0;
}

@media (min-width: 640px) {
  .footer-inner {
    grid-template-columns: 1fr auto;
    align-items: start;
  }

  .copy {
    grid-column: 1 / -1;
  }
}