/* ═══════════════════════════════════════════════════════
   APEX ANALYTICS DASHBOARD — style.css
   Aesthetic: Bloomberg Terminal × Refined SaaS
   Fonts: Syne (display) + DM Sans (body) + DM Mono (data)
═══════════════════════════════════════════════════════ */

/* ── TOKENS ── */
:root {
  --bg0: #0a0b0d;
  --bg1: #111318;
  --bg2: #181c23;
  --bg3: #1f2530;
  --border: rgba(255,255,255,0.06);
  --border-bright: rgba(255,255,255,0.12);

  --text0: #f0f2f5;
  --text1: #9ba3b0;
  --text2: #5c6470;

  --accent: #f5a623;
  --accent-dim: rgba(245,166,35,0.15);
  --accent-glow: rgba(245,166,35,0.3);

  --green: #34d399;
  --green-dim: rgba(52,211,153,0.12);
  --red: #f87171;
  --red-dim: rgba(248,113,113,0.12);
  --blue: #60a5fa;
  --blue-dim: rgba(96,165,250,0.12);
  --purple: #a78bfa;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;

  --transition: 0.2s ease;
  --shadow: 0 2px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
}

[data-theme="light"] {
  --bg0: #f0f1f3;
  --bg1: #ffffff;
  --bg2: #f7f8fa;
  --bg3: #eef0f4;
  --border: rgba(0,0,0,0.07);
  --border-bright: rgba(0,0,0,0.13);
  --text0: #141720;
  --text1: #5c6470;
  --text2: #9ba3b0;
  --accent: #d4860f;
  --accent-dim: rgba(212,134,15,0.1);
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.12);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  background: var(--bg0);
  color: var(--text0);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 4px; }

/* ═══════════════════════════
   TOPBAR
═══════════════════════════ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.5rem;
  height: 58px;
  background: var(--bg1);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-right: 0.5rem;
}
.logo-mark {
  color: var(--accent);
  font-size: 1.1rem;
  line-height: 1;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  color: var(--text0);
}

.control-label {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--text2);
  text-transform: uppercase;
  white-space: nowrap;
}

.select-wrap {
  position: relative;
}
.select-wrap::after {
  content: '▾';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.65rem;
  color: var(--text1);
  pointer-events: none;
}
.select-wrap select {
  appearance: none;
  background: var(--bg2);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  color: var(--text0);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.35rem 1.8rem 0.35rem 0.65rem;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  white-space: nowrap;
}
.select-wrap select:focus { outline: none; border-color: var(--accent); }
.select-wrap select:hover { border-color: var(--border-bright); background: var(--bg3); }

/* BUTTONS */
.btn-ghost {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: transparent;
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  color: var(--text1);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-ghost:hover { color: var(--text0); border-color: var(--accent); background: var(--accent-dim); }
.btn-ghost.active { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); }
.btn-ghost.icon-only { padding: 0.35rem 0.55rem; }
.btn-icon { font-style: normal; }

/* ═══════════════════════════
   INSIGHTS BAR
═══════════════════════════ */
.insights-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  height: 36px;
  background: var(--bg1);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.insights-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--accent);
  white-space: nowrap;
  padding: 0.15rem 0.45rem;
  background: var(--accent-dim);
  border-radius: 3px;
}
.insights-ticker {
  display: flex;
  align-items: center;
  gap: 2rem;
  overflow: hidden;
  flex: 1;
  mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}
.insight-item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text1);
  white-space: nowrap;
  flex-shrink: 0;
}
.insight-item .up { color: var(--green); }
.insight-item .down { color: var(--red); }
.insight-item .neutral { color: var(--accent); }

/* ═══════════════════════════
   LAYOUT GRID
═══════════════════════════ */
.dashboard { padding: 1.25rem 1.5rem; }

.layout-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.25rem;
  align-items: start;
}

/* ═══════════════════════════
   SIDEBAR
═══════════════════════════ */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* KPI CARDS */
.kpi-stack { display: flex; flex-direction: column; gap: 0.6rem; }

.kpi-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}
.kpi-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: 3px 0 0 3px;
  opacity: 0;
  transition: opacity var(--transition);
}
.kpi-card:hover { border-color: var(--border-bright); transform: translateY(-1px); box-shadow: var(--shadow); }
.kpi-card:hover::before { opacity: 1; }

.kpi-icon { font-size: 1.2rem; line-height: 1; flex-shrink: 0; }
.kpi-body { flex: 1; min-width: 0; }
.kpi-label {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--text2);
  text-transform: uppercase;
}
.kpi-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text0);
  line-height: 1.2;
  margin: 0.15rem 0 0.1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kpi-delta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
}
.kpi-delta.up { color: var(--green); }
.kpi-delta.down { color: var(--red); }
.kpi-delta.neutral { color: var(--text2); }

/* FILTER PANEL */
.filter-panel {
  padding: 1rem;
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.filter-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text1);
  margin-bottom: 0.85rem;
}
.filter-group { margin-bottom: 0.65rem; }
.filter-label {
  display: block;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text2);
  letter-spacing: 0.06em;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}
.filter-group .select-wrap select { width: 100%; }

.btn-apply {
  width: 100%;
  margin-top: 0.75rem;
  padding: 0.55rem;
  background: var(--accent);
  color: #0a0b0d;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-apply:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-apply:active { transform: translateY(0); }

.btn-reset {
  width: 100%;
  margin-top: 0.4rem;
  padding: 0.45rem;
  background: transparent;
  color: var(--text2);
  font-family: var(--font-body);
  font-size: 0.78rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-reset:hover { color: var(--text0); border-color: var(--border-bright); }

/* TREND PANEL */
.trend-panel {
  padding: 1rem;
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.trend-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text1);
  margin-bottom: 0.75rem;
}
.trend-body {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text1);
  line-height: 1.7;
}
.trend-row { display: flex; align-items: center; gap: 0.4rem; margin-bottom: 0.3rem; }
.trend-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.trend-dot.up { background: var(--green); }
.trend-dot.down { background: var(--red); }

/* ═══════════════════════════
   CONTENT AREA
═══════════════════════════ */
.content-area { display: flex; flex-direction: column; gap: 1.25rem; min-width: 0; }

/* CHARTS GRID */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1rem;
}

.chart-card {
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.25rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.chart-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.chart-card:hover { border-color: var(--border-bright); box-shadow: var(--shadow); }
.chart-card:hover::after { opacity: 1; }
.chart-card.wide { grid-column: 1 / -1; }

.chart-header { display: flex; align-items: baseline; gap: 0.6rem; margin-bottom: 0.85rem; }
.chart-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text0);
}
.chart-subtitle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text2);
}

.chart-wrap {
  position: relative;
  height: 200px;
}
.chart-card.wide .chart-wrap { height: 220px; }
.chart-wrap--pie { height: 200px; }

/* ═══════════════════════════
   DATA TABLE
═══════════════════════════ */
.table-card {
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.table-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text0);
}
.table-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text2);
}
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
thead th {
  padding: 0.6rem 1.25rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text2);
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg2); }
tbody td {
  padding: 0.65rem 1.25rem;
  color: var(--text0);
  white-space: nowrap;
}
.td-mono { font-family: var(--font-mono); font-size: 0.8rem; }
.td-growth.up { color: var(--green); font-family: var(--font-mono); font-weight: 500; }
.td-growth.down { color: var(--red); font-family: var(--font-mono); font-weight: 500; }
.td-growth.neutral { color: var(--text2); font-family: var(--font-mono); }

.btn-view {
  padding: 0.25rem 0.6rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text1);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-view:hover { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }

.table-empty {
  text-align: center;
  color: var(--text2);
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

/* ═══════════════════════════
   MODALS
═══════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 520px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px);
  transition: transform 0.25s ease;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal--form { max-width: 380px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text0);
}
.modal-close {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 1rem;
  cursor: pointer;
  transition: color var(--transition);
  line-height: 1;
  padding: 0.2rem;
}
.modal-close:hover { color: var(--text0); }
.modal-body { padding: 1.25rem; }

/* FORM */
.form-group { margin-bottom: 0.85rem; }
.form-label {
  display: block;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}
.form-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--bg3);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  color: var(--text0);
  font-family: var(--font-body);
  font-size: 0.85rem;
  transition: border-color var(--transition);
}
.form-input:focus { outline: none; border-color: var(--accent); }
.form-input::placeholder { color: var(--text2); }

/* DRILL-DOWN TABLE */
.drill-table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
.drill-table th {
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text2);
  background: var(--bg3);
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.drill-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text0);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.drill-table tr:last-child td { border-bottom: none; }
.drill-table tr:hover td { background: var(--bg3); }

/* ═══════════════════════════
   COMPARE MODE BANNER
═══════════════════════════ */
.compare-banner {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1.5rem;
  background: var(--accent-dim);
  border-bottom: 1px solid var(--accent-glow);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}
.compare-banner.visible { display: flex; }

/* ═══════════════════════════
   LOADING STATE
═══════════════════════════ */
@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}
.loading { animation: pulse 1.4s ease-in-out infinite; }

/* ═══════════════════════════
   ANIMATIONS
═══════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.kpi-card { animation: fadeUp 0.4s ease both; }
.kpi-card:nth-child(1) { animation-delay: 0.05s; }
.kpi-card:nth-child(2) { animation-delay: 0.1s; }
.kpi-card:nth-child(3) { animation-delay: 0.15s; }
.kpi-card:nth-child(4) { animation-delay: 0.2s; }

.chart-card { animation: fadeUp 0.4s ease both; }
.chart-card:nth-child(1) { animation-delay: 0.1s; }
.chart-card:nth-child(2) { animation-delay: 0.2s; }
.chart-card:nth-child(3) { animation-delay: 0.25s; }

/* ═══════════════════════════
   RESPONSIVE
═══════════════════════════ */
@media (max-width: 1100px) {
  .layout-grid { grid-template-columns: 200px 1fr; }
}

@media (max-width: 860px) {
  .topbar { padding: 0 1rem; gap: 0.6rem; }
  .topbar .control-label { display: none; }
  .btn-ghost:not(.icon-only) span.btn-icon ~ * { display: none; }
  .btn-ghost:not(.icon-only) { padding: 0.35rem 0.55rem; }

  .dashboard { padding: 1rem; }
  .layout-grid { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; }
  .kpi-stack { flex-direction: row; flex-wrap: wrap; flex: 1; min-width: 100%; }
  .kpi-card { flex: 1; min-width: 140px; }
  .filter-panel, .trend-panel { flex: 1; min-width: 200px; }

  .charts-grid { grid-template-columns: 1fr; }
  .chart-card.wide { grid-column: 1; }
}

@media (max-width: 520px) {
  .topbar-left { gap: 0.5rem; }
  .logo-text { display: none; }
  .kpi-stack { gap: 0.5rem; }
}