/* OXY ALGO Terminal — shared design system v2 (Apr 29 2026)
   Source of truth: reference_dashboard_design_system_v2.md */

:root {
  --bg: #0A0A0A;
  --panel: #111111;
  --panel-2: #18181B;
  --hover: #1F1F23;
  --border: #27272A;
  --border-strong: #3F3F46;
  --muted: #71717A;
  --muted-2: #A1A1AA;
  --text: #FAFAFA;
  --text-2: #E4E4E7;
  --win: #00D68F;
  --loss: #FF5470;
  --neutral: #1cd6c0;
  --warn: #F0B232;
  --sans: 'Geist', -apple-system, system-ui, sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  font-feature-settings: "ss01", "ss02";
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.muted-2 { color: var(--muted-2); }
.win { color: var(--win); }
.loss { color: var(--loss); }
.warn { color: var(--warn); }

a { color: var(--text); text-decoration: none; }
a:hover { color: var(--win); }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; }

/* ─── TOP NAV ───────────────────────────────────────── */
.topbar {
  height: 44px; padding: 0 20px;
  display: flex; align-items: center; gap: 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky; top: 0; z-index: 100;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}
.topbar .brand {
  font-weight: 700; letter-spacing: 0.06em; color: var(--text);
}
.topbar .brand .accent { color: var(--win); }
.topbar .nav-links {
  display: flex; gap: 18px; align-items: center;
}
.topbar .nav-links a {
  color: var(--muted-2); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.08em;
  transition: color 0.15s; font-family: var(--mono);
}
.topbar .nav-links a:hover, .topbar .nav-links a.active { color: var(--text); }
.topbar .right { margin-left: auto; display: flex; gap: 16px; align-items: center; }
.topbar .right .pill {
  background: var(--panel); border: 1px solid var(--border); border-radius: 999px;
  padding: 4px 12px; font-size: 11px; color: var(--muted-2);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.topbar .right .pill.tier-trader { color: var(--neutral); border-color: var(--neutral); }
.topbar .right .pill.tier-pro { color: var(--win); border-color: var(--win); }
.topbar .right .pill.tier-elite { color: var(--warn); border-color: var(--warn); }
.topbar .right .login-btn {
  background: var(--win); color: var(--bg); border: none; border-radius: 6px;
  padding: 6px 14px; font-size: 11px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.topbar .right .login-btn:hover { opacity: 0.9; }

/* ─── COMPONENT: Pulse dot ──────────────────────────── */
.pulse-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--win);
  box-shadow: 0 0 0 0 rgba(0,214,143,0.6);
  animation: pulse-dot 1.6s ease-in-out infinite;
  display: inline-block;
}
.pulse-dot.offline { background: var(--loss); animation: none; }
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,214,143,0.6); }
  50% { box-shadow: 0 0 0 6px rgba(0,214,143,0); }
}

/* ─── PAGE LAYOUT ───────────────────────────────────── */
.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.page-narrow { max-width: 720px; }
.page-wide   { max-width: 1400px; }

.page h1 {
  font-size: 32px; font-weight: 700; letter-spacing: -0.02em;
  line-height: 1.15; margin-bottom: 14px;
}
.page h2 {
  font-size: 18px; font-weight: 600; letter-spacing: -0.01em;
  margin: 32px 0 14px;
}
.page p { color: var(--muted-2); margin-bottom: 14px; }
.page .lead { font-size: 17px; color: var(--text-2); }

/* ─── CARD ──────────────────────────────────────────── */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--border-strong); }

/* ─── BUTTON ────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
  font-family: var(--sans);
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--win); color: var(--bg); }
.btn-primary:hover { background: #00b878; color: var(--bg); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--text); color: var(--text); }
.btn-danger { background: var(--loss); color: var(--text); }
.btn-mono { font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.06em; font-size: 11px; }

.btn-block { width: 100%; justify-content: center; }
.btn-lg { padding: 14px 28px; font-size: 14px; }

/* ─── INPUT ─────────────────────────────────────────── */
input[type="text"], input[type="email"], input[type="number"], select, textarea {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  color: var(--text);
  width: 100%;
  transition: border-color 0.15s;
  font-family: var(--sans);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--win);
}
label { display: block; font-size: 12px; color: var(--muted-2); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 500; }
.field { margin-bottom: 18px; }
.checkbox { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.checkbox input { width: auto; }

/* ─── PILL ──────────────────────────────────────────── */
.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted-2);
}
.pill.win { background: var(--win); color: var(--bg); border-color: var(--win); }
.pill.loss { background: var(--loss); color: var(--text); border-color: var(--loss); }
.pill.live { background: var(--win); color: var(--bg); border-color: var(--win); }
.pill.shadow { background: var(--panel-2); color: var(--muted-2); }

/* ─── PRICING TIERS ─────────────────────────────────── */
.tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0;
}
.tier {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.tier:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.tier.featured {
  border-color: var(--win);
  background: linear-gradient(180deg, rgba(0,214,143,0.06) 0%, var(--panel) 60%);
}
.tier .badge {
  position: absolute; top: -10px; left: 50%; transform: translateX(-50%);
  background: var(--win); color: var(--bg);
  font-size: 10px; font-weight: 700; letter-spacing: 0.08em;
  padding: 4px 10px; border-radius: 999px; text-transform: uppercase;
}
.tier .name {
  font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.tier .price {
  font-family: var(--mono); font-size: 36px; font-weight: 700; letter-spacing: -0.02em;
}
.tier .price .per { font-size: 14px; color: var(--muted-2); font-weight: 400; }
.tier .desc { color: var(--muted-2); font-size: 13px; margin: 8px 0 24px; }
.tier .features { list-style: none; padding: 0; margin: 0 0 24px; }
.tier .features li {
  font-size: 13px; color: var(--text-2);
  padding: 6px 0; padding-left: 22px; position: relative;
}
.tier .features li::before {
  content: "✓"; position: absolute; left: 0; top: 6px;
  color: var(--win); font-weight: 700;
}

@media (max-width: 880px) {
  .tiers { grid-template-columns: 1fr; }
}

/* ─── FOOTER ────────────────────────────────────────── */
footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 20px;
  margin-top: 60px;
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  letter-spacing: 0.02em;
}
footer.site-footer a { color: var(--muted-2); }
footer.site-footer a:hover { color: var(--text); }

/* ─── UTIL ──────────────────────────────────────────── */
.divider { height: 1px; background: var(--border); margin: 24px 0; }
.row { display: flex; gap: 12px; align-items: center; }
.row.between { justify-content: space-between; }
.flex-1 { flex: 1; }
.text-center { text-align: center; }
.notice {
  background: rgba(0,214,143,0.08);
  border: 1px solid var(--win);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 16px;
}
.notice.warn { background: rgba(240,178,50,0.08); border-color: var(--warn); color: var(--warn); }
.notice.error { background: rgba(255,84,112,0.08); border-color: var(--loss); color: var(--loss); }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* Mobile */
@media (max-width: 600px) {
  .topbar { gap: 12px; padding: 0 12px; height: auto; min-height: 44px; flex-wrap: wrap; padding: 8px 12px; }
  .topbar .nav-links { display: none; }
  .page { padding: 24px 16px 60px; }
  .page h1 { font-size: 26px; }
}