/* ═══════════════════════════════════════════════════════════════════════════
   SPIMEX TERMINAL — Industrial Dark Theme
   Typography: DM Sans (text) + JetBrains Mono (data)
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  /* Core palette */
  --bg-deep: #07080a;
  --bg-base: #0c0e12;
  --bg-surface: #12151b;
  --bg-elevated: #181c24;
  --bg-hover: #1e222c;

  /* Borders */
  --border: #1e222c;
  --border-subtle: #161a22;
  --border-focus: #2a3040;

  /* Text */
  --text-primary: #e8eaed;
  --text-secondary: #8b92a0;
  --text-muted: #555d6e;
  --text-inverse: #07080a;

  /* Signals */
  --green: #00e676;
  --green-dim: #00e67630;
  --green-bg: #00e67610;
  --red: #ff1744;
  --red-dim: #ff174430;
  --red-bg: #ff174410;
  --amber: #ffc107;
  --blue: #448aff;
  --blue-dim: #448aff30;

  /* Accents */
  --accent: #00e676;
  --accent-dim: #00e67625;

  /* Sizing */
  --sidebar-w: 220px;
  --status-h: 44px;
  --radius: 6px;
  --radius-sm: 4px;

  /* Fonts */
  --font-text: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

}

/* ── Light theme ───────────────────────────────────────────────────────── */

[data-theme="light"] {
  --bg-deep: #f0f1f3;
  --bg-base: #ffffff;
  --bg-surface: #f7f8fa;
  --bg-elevated: #ffffff;
  --bg-hover: #eef0f4;

  --border: #dde0e6;
  --border-subtle: #e8eaee;
  --border-focus: #c0c4cc;

  --text-primary: #1a1d24;
  --text-secondary: #5a6070;
  --text-muted: #8b92a0;
  --text-inverse: #ffffff;

  --green: #16a34a;
  --green-dim: #16a34a25;
  --green-bg: #16a34a0a;
  --red: #dc2626;
  --red-dim: #dc262625;
  --red-bg: #dc26260a;
  --amber: #d97706;
  --blue: #2563eb;
  --blue-dim: #2563eb20;

  --accent: #0d9e5c;
  --accent-dim: #0d9e5c18;

  --scanline: none;
}

/* ── Theme toggle button ───────────────────────────────────────────────── */

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  padding: 5px 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.5px;
  transition: all 0.15s;
}

.theme-toggle:hover { color: var(--text-primary); border-color: var(--border-focus); }
.theme-toggle svg { width: 14px; height: 14px; }

/* ── Reset & Base ──────────────────────────────────────────────────────── */

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

html { font-size: 13px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-text);
  background: var(--bg-deep);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  overflow: hidden;
}

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

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Sidebar ───────────────────────────────────────────────────────────── */

#sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--bg-base);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
}

.sidebar-brand {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.brand-icon { flex-shrink: 0; }

.brand-text {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 2px;
  color: var(--accent);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 4px;
  color: var(--text-muted);
  margin-left: auto;
}

.nav-section {
  padding: 12px 10px;
  flex-grow: 1;
}

.nav-bottom {
  flex-grow: 0;
  border-top: 1px solid var(--border);
  padding-bottom: 16px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s ease;
  position: relative;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.nav-icon { width: 18px; height: 18px; flex-shrink: 0; }

.nav-badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--bg-elevated);
  padding: 2px 7px;
  border-radius: 10px;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-item.active .nav-badge {
  background: var(--accent-dim);
  color: var(--accent);
}

.nav-item-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-muted);
  padding: 8px 12px 6px;
}

/* Watchlist controls */
.watchlist-section { padding: 0 4px; }

.wl-select {
  width: 100%;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-family: var(--font-text);
  font-size: 12px;
  margin-top: 6px;
  cursor: pointer;
  outline: none;
}

.wl-select:focus { border-color: var(--accent); }
.wl-select option { background: var(--bg-elevated); }

.wl-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.wl-btn {
  flex: 1;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.wl-btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border-focus); }
.wl-btn-danger:hover { color: var(--red); border-color: var(--red-dim); }

/* ── Main area ─────────────────────────────────────────────────────────── */

#main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-deep);
  background-image: var(--scanline);
}

/* ── Status bar ────────────────────────────────────────────────────────── */

#status-bar {
  height: var(--status-h);
  min-height: var(--status-h);
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.status-left { display: flex; align-items: center; gap: 16px; }
.status-right { display: flex; align-items: center; gap: 20px; }

.status-live {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.status-live.is-live { color: var(--accent); }

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  position: relative;
}

.is-live .pulse-dot {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-dim);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.status-clock {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* Auto-refresh toggle */
.auto-refresh-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.auto-refresh-toggle input { display: none; }

.toggle-slider {
  width: 32px;
  height: 16px;
  background: var(--bg-hover);
  border-radius: 8px;
  position: relative;
  transition: background 0.2s;
  border: 1px solid var(--border);
}

.toggle-slider::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 2px;
  width: 10px;
  height: 10px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all 0.2s;
}

.auto-refresh-toggle input:checked + .toggle-slider {
  background: var(--accent-dim);
  border-color: var(--accent);
}

.auto-refresh-toggle input:checked + .toggle-slider::after {
  left: 18px;
  background: var(--accent);
}

.toggle-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ── Page content ──────────────────────────────────────────────────────── */

#page-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 20px;
}

/* ── Metrics row ───────────────────────────────────────────────────────── */

.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
}

.metric-card.accent::before { background: var(--accent); }
.metric-card.green::before { background: var(--green); }
.metric-card.red::before { background: var(--red); }
.metric-card.blue::before { background: var(--blue); }

.metric-label {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1;
}

.metric-delta {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  margin-top: 4px;
}

.metric-delta.up { color: var(--green); }
.metric-delta.down { color: var(--red); }

/* ── Filter bar ────────────────────────────────────────────────────────── */

.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.filter-select, .filter-input, .filter-date {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-text);
  font-size: 12px;
  padding: 7px 12px;
  outline: none;
  transition: border-color 0.15s;
}

.filter-select:focus, .filter-input:focus, .filter-date:focus {
  border-color: var(--accent);
}

.filter-input {
  min-width: 200px;
  flex: 1;
}

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

.filter-date { font-family: var(--font-mono); }
.filter-date::-webkit-calendar-picker-indicator { filter: invert(0.6); }

/* ── Data table ────────────────────────────────────────────────────────── */

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.dt-th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-surface);
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: color 0.15s;
}

.dt-th:hover { color: var(--text-primary); }
.dt-th.dt-num { text-align: right; }

.dt-td {
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}

.dt-td.dt-num { text-align: right; }

.dt-row { cursor: pointer; transition: background 0.1s; }
.dt-row:hover { background: var(--bg-hover); }
.dt-row.dt-selected { background: var(--accent-dim); }

.dt-empty { padding: 40px; text-align: center; color: var(--text-muted); }

/* Data cell types */
.cell-name {
  font-family: var(--font-text) !important;
  font-weight: 400;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
}

.cell-price { color: var(--text-primary); }
.cell-green { color: var(--green) !important; font-weight: 600 !important; }
.cell-red { color: var(--red) !important; font-weight: 600 !important; }
.cell-muted { color: var(--text-muted); }
.cell-code { color: var(--blue); font-weight: 500; }

/* ── Detail panel ──────────────────────────────────────────────────────── */

.detail-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 16px;
  overflow: hidden;
  animation: slideUp 0.25s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.detail-title {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
}

.detail-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.detail-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-family: var(--font-mono);
  transition: all 0.15s;
}

.detail-close:hover { color: var(--text-primary); border-color: var(--text-muted); }

.detail-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1px;
  background: var(--border);
  border-bottom: 1px solid var(--border);
}

.detail-metric {
  background: var(--bg-surface);
  padding: 12px 16px;
  text-align: center;
}

.detail-metric-label {
  font-size: 9px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.detail-metric-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
}

.detail-body {
  display: flex;
  flex-direction: column;
}

.detail-chart {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  height: 280px;
}

.detail-info {
  padding: 16px;
}

.detail-info h4 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.detail-info-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 12px;
}

.detail-info-row .label { color: var(--text-secondary); }
.detail-info-row .value { color: var(--text-primary); font-family: var(--font-mono); font-weight: 500; }

.detail-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  font-size: 11px;
  color: var(--blue);
  text-decoration: none;
  font-family: var(--font-mono);
}

.detail-link:hover { text-decoration: underline; }

/* Trade history mini-table */
.mini-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 11px;
  margin-top: 8px;
}

.mini-table th {
  text-align: left;
  padding: 6px 8px;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 9px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.mini-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.mini-table tr:hover td { background: var(--bg-hover); }

/* ── Session bar ───────────────────────────────────────────────────────── */

.session-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  margin-bottom: 12px;
}

.session-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
}

.session-live { color: var(--green); }
.session-live .pulse-dot { background: var(--green); box-shadow: 0 0 8px var(--green-dim); animation: pulse 2s ease-in-out infinite; }

.session-closed { color: var(--text-muted); }
.session-closed .pulse-dot { background: var(--text-muted); }

.session-time {
  font-weight: 400;
  color: var(--text-secondary);
  font-size: 11px;
}

.session-delay {
  font-weight: 400;
  font-size: 10px;
  color: var(--text-muted);
  padding: 2px 6px;
  background: var(--bg-hover);
  border-radius: 3px;
}

.session-mode {
  display: flex;
  gap: 2px;
  background: var(--bg-deep);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.mode-btn {
  padding: 6px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  transition: all 0.15s;
}

.mode-btn:hover { color: var(--text-primary); }

.mode-btn.mode-active {
  background: var(--accent);
  color: var(--text-inverse);
}

/* ── Page title ────────────────────────────────────────────────────────── */

.page-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Charts section ────────────────────────────────────────────────────── */

.chart-container {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.chart-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ── Grid wrapper ──────────────────────────────────────────────────────── */

.grid-wrapper {
  border-radius: var(--radius);
  overflow: hidden;
}

/* ── Loading spinner ───────────────────────────────────────────────────── */

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  gap: 10px;
}

.loading-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Modal ─────────────────────────────────────────────────────────────── */

.modal { position: fixed; inset: 0; z-index: 500; display: flex; align-items: center; justify-content: center; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); }

.modal-content {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 380px;
  max-width: 90vw;
  animation: slideUp 0.2s ease;
}

.modal-content h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.modal-input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-text);
  font-size: 13px;
  padding: 10px 14px;
  outline: none;
}

.modal-input:focus { border-color: var(--accent); }

.modal-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* Buttons */
.btn {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-text);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
}

.btn-primary:hover { filter: brightness(1.1); }

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

.btn-ghost:hover { color: var(--text-primary); background: var(--bg-hover); }

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  #sidebar { width: 60px; min-width: 60px; }
  #sidebar .brand-text, #sidebar .brand-sub, #sidebar .nav-item span:not(.nav-badge),
  #sidebar .watchlist-section, #sidebar .nav-item-label { display: none; }
  #sidebar .nav-item { justify-content: center; padding: 12px; }
  #sidebar .nav-badge { display: none; }
  #main { margin-left: 60px; }
  :root { --sidebar-w: 60px; }

  .detail-chart { height: 200px; }
}