/* =====================================================================
   TraderVolume — Design Tokens (Light + Dark), petrol accent.
   Single source of truth. Toggle via <html data-theme="light|dark">.
   ===================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --gap: 16px;
  --maxw: 1480px;
}

/* ---- DARK (default): refined slate, not Matrix ---- */
:root, :root[data-theme="dark"] {
  --bg: #0b0f14;
  --surface: #121822;
  --surface-2: #19212d;
  --surface-3: #212b39;
  --border: rgba(255,255,255,0.09);
  --border-strong: rgba(255,255,255,0.16);
  --fg: #e7edf4;
  --fg-dim: #8a97a8;
  --fg-faint: #5d6877;
  --accent: #19b8ab;          /* petrol / teal */
  --accent-fg: #04201e;
  --accent-soft: rgba(25,184,171,0.14);
  --ok: #34c77b;              /* connected / active */
  --ok-soft: rgba(52,199,123,0.14);
  --warn: #e7a93a;            /* paper / preview */
  --warn-soft: rgba(231,169,58,0.14);
  --err: #ef5350;             /* error / sell */
  --err-soft: rgba(239,83,80,0.14);
  --shadow: 0 1px 0 rgba(255,255,255,0.03), 0 8px 24px rgba(0,0,0,0.35);
  color-scheme: dark;
}

/* ---- LIGHT: neutral, high-contrast report ---- */
:root[data-theme="light"] {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --surface-3: #e6eaf0;
  --border: rgba(16,32,48,0.10);
  --border-strong: rgba(16,32,48,0.18);
  --fg: #16202c;
  --fg-dim: #5a6877;
  --fg-faint: #8a96a4;
  --accent: #0e7c86;
  --accent-fg: #ffffff;
  --accent-soft: rgba(14,124,134,0.10);
  --ok: #138a52;
  --ok-soft: rgba(19,138,82,0.10);
  --warn: #a9711a;
  --warn-soft: rgba(169,113,26,0.12);
  --err: #c5363b;
  --err-soft: rgba(197,54,59,0.10);
  --shadow: 0 1px 2px rgba(16,32,48,0.06), 0 6px 20px rgba(16,32,48,0.07);
  color-scheme: light;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color .2s ease, color .2s ease;
}

.tnum { font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; letter-spacing: .2px; }

/* ---- status chips / badges (semantic only) ---- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 600; letter-spacing: .3px;
  padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border-strong);
  color: var(--fg-dim); background: var(--surface-2); white-space: nowrap;
}
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--fg-faint); }
.chip.is-ok { color: var(--ok); border-color: var(--ok); background: var(--ok-soft); }
.chip.is-ok .dot { background: var(--ok); }
.chip.is-warn { color: var(--warn); border-color: var(--warn); background: var(--warn-soft); }
.chip.is-warn .dot { background: var(--warn); }
.chip.is-err { color: var(--err); border-color: var(--err); background: var(--err-soft); }
.chip.is-err .dot { background: var(--err); }
.chip.is-accent { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }

/* ---- theme toggle button (header) ---- */
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--surface-2);
  color: var(--fg-dim); cursor: pointer; font-size: 15px; line-height: 1;
  transition: color .15s, border-color .15s, background .15s;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* ===== global chrome: navbar / container / footer (token-based, switches) ===== */
.navbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 10px 22px;
  background: var(--surface); border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(120%);
}
.navbar .nav-brand { display: flex; align-items: center; gap: 10px; }
.navbar .nav-brand a { color: var(--fg); font-weight: 700; font-size: 16px; letter-spacing: .3px; text-decoration: none; }
.navbar .mode-badge {
  font-size: 10px; font-weight: 700; letter-spacing: .5px; padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--warn); color: var(--warn); background: var(--warn-soft);
}
.navbar .mode-badge.mode-live { border-color: var(--ok); color: var(--ok); background: var(--ok-soft); }
.navbar .nav-links { display: flex; align-items: center; gap: 6px; }
.navbar .nav-links > a {
  color: var(--fg-dim); text-decoration: none; font-size: 14px; font-weight: 500;
  padding: 7px 12px; border-radius: var(--radius-sm); transition: color .15s, background .15s;
}
.navbar .nav-links > a:hover { color: var(--fg); background: var(--surface-2); }
.navbar .nav-links > a.active { color: var(--accent); background: var(--accent-soft); }
.navbar .help-link { width: 30px; text-align: center; }
.navbar .user-menu { display: flex; align-items: center; gap: 10px; margin-left: 6px; padding-left: 12px; border-left: 1px solid var(--border); }
.navbar .strategy-switch-form select {
  font-family: var(--font-ui); font-size: 13px; font-weight: 600; color: var(--fg);
  background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 7px 12px; min-width: 200px; cursor: pointer;
}
.navbar .user-avatar {
  width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--accent-fg); font-weight: 700; font-size: 13px;
}
.navbar .user-info { display: flex; flex-direction: column; line-height: 1.1; }
.navbar .user-name { font-size: 13px; color: var(--fg); font-weight: 600; }
.navbar .user-mode { font-size: 10px; color: var(--fg-faint); }
.navbar .logout-btn { color: var(--fg-dim); font-size: 13px; text-decoration: none; padding: 6px 10px; border-radius: var(--radius-sm); }
.navbar .logout-btn:hover { color: var(--err); background: var(--err-soft); }
.container { max-width: var(--maxw); margin: 0 auto; padding: 22px; }
.footer { max-width: var(--maxw); margin: 0 auto; padding: 14px 22px 32px; }
.footer p { color: var(--fg-faint); font-size: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
@media (max-width: 720px) {
  .navbar { flex-wrap: wrap; gap: 8px; }
  .navbar .strategy-switch-form select { min-width: 140px; }
}

/* ---- nav links that style.css sets with !important (apply on ALL pages,
        incl. /terminal, since style.css loads there too) -------------- */
.navbar .logout-btn, .logout-btn { color: var(--fg-dim) !important; background: var(--err-soft); border-color: var(--err); }
.navbar .logout-btn:hover, .logout-btn:hover { color: var(--err) !important; background: var(--err-soft); }
.navbar .admin-link, .admin-link { color: var(--accent) !important; }
.navbar .admin-link:hover, .admin-link:hover, .admin-link.active { color: var(--accent) !important; }
.navbar .help-link, .help-link { color: var(--fg-dim) !important; background: var(--surface-3); }
.navbar .help-link:hover, .help-link:hover, .help-link.active { color: var(--accent-fg) !important; background: var(--accent); }
