/* =========================================================
   Confluence Desk — Design tokens
   Palette: instrument-panel ink, muted antique gold (nod to XAU),
   phosphor green / warm red for signal states.
   Type: Space Grotesk (display), Inter (body), JetBrains Mono (data)
   ========================================================= */
:root {
  --ink-900: #0a0c11;
  --ink-800: #10131b;
  --ink-700: #161a24;
  --ink-600: #1e232f;
  --ink-500: #2a303f;
  --hairline: #2a303f;

  --text-hi: #eef0f4;
  --text-mid: #a7afc0;
  --text-low: #6c7386;

  --gold: #c9a24b;
  --gold-soft: #e8cf8f;
  --gold-dim: rgba(201, 162, 75, 0.16);

  --bull: #3ecf8e;
  --bull-dim: rgba(62, 207, 142, 0.14);
  --bear: #e85c51;
  --bear-dim: rgba(232, 92, 81, 0.14);
  --neutral: #7c8698;

  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --shadow-panel: 0 20px 60px -25px rgba(0, 0, 0, 0.7);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at 15% -10%, #171b26 0%, var(--ink-900) 45%) fixed;
  color: var(--text-hi);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--gold-soft); }

::selection { background: var(--gold-dim); color: var(--gold-soft); }

/* ---------- Topbar ---------- */
.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(16, 19, 27, 0.9), rgba(16, 19, 27, 0.4));
  backdrop-filter: blur(8px);
}

.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand-mark { flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-title { font-family: var(--font-display); font-weight: 600; font-size: 17px; letter-spacing: 0.01em; }
.brand-sub { font-size: 11px; color: var(--text-low); font-family: var(--font-mono); letter-spacing: 0.03em; text-transform: uppercase; }

.topbar-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mid);
  padding: 7px 12px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
}
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--neutral); box-shadow: 0 0 0 3px transparent; transition: all .3s; }
.status-dot.live { background: var(--bull); box-shadow: 0 0 0 3px var(--bull-dim); }
.status-dot.error { background: var(--bear); box-shadow: 0 0 0 3px var(--bear-dim); }
.status-dot.pending { background: var(--gold); box-shadow: 0 0 0 3px var(--gold-dim); animation: pulse 1.4s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:.4;} }

.btn-ghost, .btn-primary {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  border-radius: 999px;
  padding: 9px 18px;
  cursor: pointer;
  border: 1px solid var(--hairline);
  transition: all .15s ease;
}
.btn-ghost { background: transparent; color: var(--text-hi); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-soft); }
.btn-primary { background: var(--gold); color: #1a1408; border-color: var(--gold); font-weight: 600; }
.btn-primary:hover { background: var(--gold-soft); }

/* ---------- Layout ---------- */
.desk { position: relative; z-index: 1; max-width: 1400px; margin: 0 auto; padding: 26px 28px 60px; }

.control-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 18px;
  margin-bottom: 22px;
  padding: 16px 20px;
  background: var(--ink-800);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
}
.control-group { display: flex; flex-direction: column; gap: 6px; }
.control-group label { font-size: 11px; color: var(--text-low); text-transform: uppercase; letter-spacing: 0.05em; font-family: var(--font-mono); }
.control-group select {
  background: var(--ink-700);
  color: var(--text-hi);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.last-update { margin-left: auto; font-family: var(--font-mono); font-size: 12px; color: var(--text-low); align-self: center; }

.instrument-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(560px, 1fr));
  gap: 20px;
}

/* ---------- Instrument panel ---------- */
.instrument-panel {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-700));
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-panel);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.panel-head { display: flex; align-items: center; justify-content: space-between; }
.panel-title { display: flex; align-items: center; gap: 12px; }
.symbol-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 13px;
  background: var(--gold-dim); color: var(--gold-soft);
  border: 1px solid rgba(201,162,75,0.3);
}
.symbol-name { font-family: var(--font-display); font-size: 19px; margin: 0; }
.symbol-desc { font-size: 12px; color: var(--text-low); }
.panel-price { text-align: right; }
.price-value { display: block; font-family: var(--font-mono); font-size: 24px; font-weight: 600; }
.price-change { font-family: var(--font-mono); font-size: 12px; }
.price-change.up { color: var(--bull); }
.price-change.down { color: var(--bear); }

.panel-body { display: grid; grid-template-columns: 150px 1fr 130px; gap: 18px; }

/* Gauge */
.gauge-col { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.gauge-wrap { width: 100%; }
.gauge-svg { width: 100%; height: auto; overflow: visible; }
.gauge-track { fill: none; stroke: var(--ink-600); stroke-width: 14; stroke-linecap: round; }
.gauge-fill { fill: none; stroke: var(--neutral); stroke-width: 14; stroke-linecap: round; stroke-dasharray: 251.2; stroke-dashoffset: 125.6; transition: stroke-dashoffset .6s ease, stroke .6s ease; }
.gauge-needle { stroke: var(--text-hi); stroke-width: 2.5; stroke-linecap: round; transform-origin: 100px 110px; transition: transform .6s cubic-bezier(.34,1.4,.64,1); }
.gauge-hub { fill: var(--text-hi); }
.gauge-labels { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 9px; color: var(--text-low); text-transform: uppercase; letter-spacing: 0.04em; margin-top: -6px; }

.signal-badge {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 14px; border-radius: 999px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  border: 1px solid var(--hairline);
}
.signal-badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--neutral); }
.signal-badge[data-state="buy"] { background: var(--bull-dim); border-color: rgba(62,207,142,0.4); color: var(--bull); }
.signal-badge[data-state="buy"] .signal-badge-dot { background: var(--bull); }
.signal-badge[data-state="sell"] { background: var(--bear-dim); border-color: rgba(232,92,81,0.4); color: var(--bear); }
.signal-badge[data-state="sell"] .signal-badge-dot { background: var(--bear); }
.signal-badge[data-state="neutral"] { color: var(--text-mid); }

.confluence-score { text-align: center; }
.score-label { display: block; font-size: 10px; color: var(--text-low); text-transform: uppercase; letter-spacing: 0.05em; font-family: var(--font-mono); }
.score-value { font-family: var(--font-mono); font-size: 20px; font-weight: 700; color: var(--gold-soft); }

/* Charts */
.chart-col { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.price-chart, .ao-chart { width: 100%; height: auto; display: block; border-radius: var(--radius-sm); background: var(--ink-900); }

/* Fibonacci ladder */
.fib-col h3 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-low); margin: 0 0 10px; font-family: var(--font-mono); }
.fib-ladder { display: flex; flex-direction: column; gap: 6px; }
.fib-row {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 11.5px;
  padding: 5px 9px; border-radius: 6px; border: 1px solid transparent;
  color: var(--text-mid);
}
.fib-row .fib-pct { color: var(--text-low); }
.fib-row.active { background: var(--gold-dim); border-color: rgba(201,162,75,0.35); color: var(--gold-soft); }

/* Reasoning */
.panel-reasoning { border-top: 1px solid var(--hairline); padding-top: 16px; }
.panel-reasoning h3 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-low); margin: 0 0 10px; font-family: var(--font-mono); }
.reasoning-list { margin: 0 0 16px; padding-left: 18px; font-size: 13px; color: var(--text-mid); line-height: 1.6; }
.reasoning-list li::marker { color: var(--gold); }

.trade-plan { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.trade-plan div { background: var(--ink-900); border: 1px solid var(--hairline); border-radius: var(--radius-sm); padding: 10px 12px; }
.trade-plan span { display: block; font-size: 10px; color: var(--text-low); text-transform: uppercase; letter-spacing: 0.04em; font-family: var(--font-mono); margin-bottom: 4px; }
.trade-plan strong { font-family: var(--font-mono); font-size: 14px; font-weight: 600; }

/* ---------- Log panel ---------- */
.log-panel { margin-top: 22px; background: var(--ink-800); border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: 20px 22px; }
.log-panel-head { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.log-panel-head h2 { font-family: var(--font-display); font-size: 15px; margin: 0; }
.log-panel-hint { font-size: 12px; color: var(--text-low); }
.log-empty { color: var(--text-low); font-size: 13px; }
.signal-log { display: flex; flex-direction: column; gap: 8px; max-height: 260px; overflow-y: auto; }
.log-entry { display: grid; grid-template-columns: 90px 70px 1fr 90px; gap: 12px; align-items: center; font-size: 12.5px; padding: 9px 12px; background: var(--ink-900); border: 1px solid var(--hairline); border-radius: var(--radius-sm); }
.log-entry .log-time { font-family: var(--font-mono); color: var(--text-low); }
.log-entry .log-symbol { font-family: var(--font-mono); font-weight: 600; }
.log-entry .log-type { font-weight: 700; font-family: var(--font-mono); }
.log-entry .log-type.buy { color: var(--bull); }
.log-entry .log-type.sell { color: var(--bear); }
.log-entry .log-note { color: var(--text-mid); }
.log-entry .log-price { font-family: var(--font-mono); text-align: right; }

/* ---------- Footer ---------- */
.desk-footer { margin-top: 28px; text-align: center; font-size: 11.5px; color: var(--text-low); line-height: 1.6; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(6, 7, 10, 0.72); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; z-index: 50; padding: 20px;
}
.modal-backdrop.open { display: flex; }
.modal { width: 100%; max-width: 460px; background: var(--ink-800); border: 1px solid var(--hairline); border-radius: var(--radius-lg); box-shadow: var(--shadow-panel); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--hairline); }
.modal-head h2 { font-family: var(--font-display); font-size: 16px; margin: 0; }
.modal-close { background: none; border: none; color: var(--text-mid); font-size: 16px; cursor: pointer; }
.modal-body { padding: 20px; display: flex; flex-direction: column; gap: 6px; }
.modal-body label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-low); font-family: var(--font-mono); margin-top: 10px; }
.modal-body input {
  background: var(--ink-900); border: 1px solid var(--hairline); border-radius: var(--radius-sm);
  padding: 10px 12px; color: var(--text-hi); font-family: var(--font-mono); font-size: 13px;
}
.modal-hint { font-size: 11.5px; color: var(--text-low); line-height: 1.5; margin: 4px 0 0; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; }
.modal-actions .btn-primary, .modal-actions .btn-ghost { flex: 1; text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .instrument-grid { grid-template-columns: 1fr; }
  .panel-body { grid-template-columns: 1fr; }
  .gauge-col { flex-direction: row; justify-content: space-between; }
  .gauge-wrap { max-width: 160px; }
  .trade-plan { grid-template-columns: repeat(2, 1fr); }
  .topbar { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  .status-dot.pending { animation: none; }
  .gauge-fill, .gauge-needle { transition: none; }
}