/* Sensex AutoTrader dashboard — dark theme, fully responsive */
:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --green: #3fb950;
  --red: #f85149;
  --blue: #58a6ff;
  --orange: #f0883e;
  --yellow: #d29922;
  --purple: #bc8cff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  padding: 12px;
  max-width: 1400px;
  margin: 0 auto;
}

/* ── TOAST NOTIFICATIONS ─────────────────────────────────────────── */
#toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text);
  font-size: 13px;
  min-width: 280px;
  max-width: 400px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: slideIn 0.3s ease-out;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.info { border-left: 3px solid var(--blue); }
.toast-icon { font-size: 18px; flex-shrink: 0; }
.toast-body { flex: 1; }
.toast-title { font-weight: 600; margin-bottom: 2px; }
.toast-msg { color: var(--muted); font-size: 12px; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; transform: translateY(-10px); } }

/* ── ROW 1: STATUS BAR ───────────────────────────────────────────── */
.statusbar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.brand { font-weight: 700; letter-spacing: 1px; color: var(--blue); }
.badge {
  background: #21262d;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 12px;
  white-space: nowrap;
}
.badge.ok { color: var(--green); border-color: var(--green); }
.badge.live { color: var(--red); border-color: var(--red); font-weight: 700; }
.badge.paper { color: var(--yellow); border-color: var(--yellow); }
.badge.warn { color: var(--orange); border-color: var(--orange); }
.badge.danger { color: var(--red); border-color: var(--red); }
.expiry-badge { color: var(--purple); border-color: var(--purple); font-size: 11px; }
.clock { margin-left: auto; font-variant-numeric: tabular-nums; color: var(--muted); }
.symbol-select {
  background: #21262d;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.symbol-select:disabled { opacity: 0.5; cursor: not-allowed; }
.notif-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 14px;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
}
.notif-btn:hover { opacity: 1; }
.notif-btn.active { opacity: 1; border-color: var(--green); }

/* ── ROW 2: METRIC CARDS ────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
}
.card h3 { font-size: 11px; color: var(--muted); letter-spacing: 1px; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.big { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }
.sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.pos { color: var(--green); }
.neg { color: var(--red); }

/* Signal card */
.signal-none { color: var(--muted); }
.signal-ce { color: var(--green); }
.signal-pe { color: var(--red); }
.signal-meta { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.strength-bar {
  flex: 1;
  height: 4px;
  background: #21262d;
  border-radius: 2px;
  overflow: hidden;
}
.strength-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--muted);
  transition: width 0.5s ease, background 0.5s ease;
  width: 0%;
}
.signal-reason {
  font-size: 11px;
  line-height: 1.4;
  max-height: 2.8em;
  overflow: hidden;
  margin-top: 6px;
}

/* PCR sparkline inline */
.sparkline-wrap { display: inline-block; vertical-align: middle; }
.sparkline-wrap svg { display: block; }

/* ── RISK STATUS BAR ─────────────────────────────────────────────── */
.risk-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.risk-item {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 140px;
}
.risk-label { font-size: 11px; color: var(--muted); letter-spacing: 0.5px; white-space: nowrap; min-width: 65px; }
.risk-track {
  flex: 1;
  height: 6px;
  background: #21262d;
  border-radius: 3px;
  overflow: hidden;
  min-width: 60px;
}
.risk-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--green);
  transition: width 0.5s ease, background 0.3s ease;
  width: 0%;
}
.risk-fill.warn { background: var(--yellow); }
.risk-fill.danger { background: var(--red); }
.risk-text { font-size: 11px; font-variant-numeric: tabular-nums; color: var(--muted); white-space: nowrap; }

/* ── INSTRUMENT INFO ─────────────────────────────────────────────── */
.instrument-info {
  display: flex;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 16px;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--muted);
  flex-wrap: wrap;
  overflow-x: auto;
}
.instrument-info strong { color: var(--text); }

/* ── ROW 4: LEVELS ───────────────────────────────────────────────── */
.levels {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.level-col {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  text-align: center;
}
.level-col h4 { font-size: 11px; color: var(--muted); letter-spacing: 1px; margin-bottom: 8px; }
.supports .level { color: var(--green); }
.resistances .level { color: var(--red); }
.level { font-size: 16px; font-weight: 600; padding: 3px 0; font-variant-numeric: tabular-nums; }
.level small { color: var(--muted); font-weight: 400; margin-right: 6px; }
.spot-mid { font-size: 26px; font-weight: 700; }
.arrow { font-size: 20px; }

/* ── PANELS + TABLES ─────────────────────────────────────────────── */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.panel h4 { font-size: 11px; color: var(--muted); letter-spacing: 1px; margin-bottom: 10px; }
.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.panel-header h4 { margin-bottom: 0; }
.chart-wrap { position: relative; height: 320px; }
.chart-small { height: 200px; }

.table-scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 7px 10px; text-align: left; border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums; }
.table th { color: var(--muted); font-size: 11px; letter-spacing: 0.5px; white-space: nowrap; }
.muted { color: var(--muted); }

/* OI toggle buttons */
.oi-toggle { display: flex; gap: 4px; }
.toggle-btn {
  background: #21262d;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s;
}
.toggle-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.toggle-btn:hover:not(.active) { color: var(--text); border-color: var(--muted); }

/* ── TWO-COLUMN LAYOUT ───────────────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.two-col .panel { margin-bottom: 0; }

/* IV display */
.iv-display {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}
.iv-card {
  flex: 1;
  background: #21262d;
  border-radius: 8px;
  padding: 12px 16px;
  text-align: center;
}
.iv-card.ce { border-top: 2px solid var(--blue); }
.iv-card.pe { border-top: 2px solid var(--orange); }
.iv-label { font-size: 11px; color: var(--muted); letter-spacing: 0.5px; display: block; margin-bottom: 4px; }
.iv-value { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.iv-skew-wrap { max-height: 180px; overflow-y: auto; }
.iv-table { font-size: 12px; }
.iv-table td { padding: 4px 8px; }

/* Active trade progress bar */
.progress-wrap { margin-top: 12px; }
.progress-track {
  position: relative;
  height: 10px;
  background: linear-gradient(to right, var(--red), #21262d 50%, var(--green));
  border-radius: 5px;
}
.progress-marker {
  position: absolute;
  top: -4px;
  width: 4px;
  height: 18px;
  background: var(--text);
  border-radius: 2px;
  transition: left 0.5s ease;
}
.progress-labels { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-top: 4px; }

/* ── SCENARIOS ───────────────────────────────────────────────────── */
.scenarios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.scenario p { color: var(--text); font-size: 13px; margin: 6px 0; }
.scenario h4 { font-size: 13px; }
.prob { font-size: 11px; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 2px 10px; }
.prob.HIGH { color: var(--green); border-color: var(--green); }
.prob.MEDIUM { color: var(--yellow); border-color: var(--yellow); }
.prob.LOW { color: var(--muted); }

/* ── SYSTEM LOG ──────────────────────────────────────────────────── */
.syslog {
  background: #010409;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  height: 220px;
  overflow-y: auto;
  font-family: 'Cascadia Code', Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Trade reason column */
.reason-cell {
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 11px;
  color: var(--muted);
}
.reason-cell:hover {
  white-space: normal;
  overflow: visible;
  position: relative;
  z-index: 1;
  background: var(--panel);
}

/* ── RESPONSIVE BREAKPOINTS ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .two-col { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
}

@media (max-width: 768px) {
  body { padding: 8px; }
  .statusbar { gap: 8px; padding: 8px 12px; }
  .brand { font-size: 13px; }
  .clock { margin-left: 0; width: 100%; text-align: right; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .big { font-size: 22px; }
  .levels { grid-template-columns: 1fr; }
  .spot-col { order: -1; }
  .scenarios { grid-template-columns: 1fr; }
  .risk-bar { gap: 10px; }
  .risk-item { min-width: 100%; }
  .instrument-info { gap: 10px; }
  .chart-wrap { height: 260px; }
  .chart-small { height: 180px; }
  .iv-display { flex-direction: column; }
}

@media (max-width: 480px) {
  .cards { grid-template-columns: 1fr; }
  .statusbar { padding: 8px; }
  .badge { font-size: 11px; padding: 2px 8px; }
  .signal-reason { display: none; }
  .instrument-info { font-size: 11px; gap: 8px; }
  .table { font-size: 12px; }
  .table th, .table td { padding: 5px 6px; }
}