:root, [data-theme="light"] {
  color-scheme: light;
  --navy:#061B31; --navy-soft:#0A2540;
  --purple:#533AFD; --purple-hover:#4426E8; --purple-soft:#B9B9F9; --purple-bg:#F6F5FF;
  --teal:#58C3AF; --teal-deep:#3FA591;
  --bg:#FFFFFF; --bg-soft:#F6F9FC; --surface:#FFFFFF;
  --border:#E3E8EE; --border-strong:#C1CCD6;
  --text:#061B31; --text-muted:#425466; --text-faint:#697386;
  --pos:#027A48; --pos-bg:#ECFDF3; --neg:#B42318; --neg-bg:#FEF3F2; --warn:#F59E0B; --warn-bg:#FEF3C7;
  --crosshair: rgba(83, 58, 253, 0.18); --dot-bg: rgba(255,255,255,0.6);
  --shadow-md: 0 4px 12px rgba(6,27,49,0.06);
  --series-1:#533AFD; --series-2:#58C3AF; --series-3:#F59E0B;
}
[data-theme="dark"] {
  color-scheme: dark;
  --navy:#E8EDF5; --navy-soft:#C7D0DF;
  --purple:#8B7BFF; --purple-hover:#A89DFF; --purple-soft:#4E3BC4; --purple-bg:#1A1640;
  --teal:#6FD4BF; --teal-deep:#58C3AF;
  --bg:#0A0F1A; --bg-soft:#0F1626; --surface:#121A2B;
  --border:#1F2A40; --border-strong:#2D3B55;
  --text:#E8EDF5; --text-muted:#8A95AC; --text-faint:#5F6B82;
  --pos:#5EE5A8; --pos-bg:#062A1D; --neg:#FF8A82; --neg-bg:#2A1010; --warn:#FBBF24; --warn-bg:#3F2A0F;
  --crosshair: rgba(139, 123, 255, 0.22); --dot-bg: rgba(10,15,26,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --series-1:#8B7BFF; --series-2:#6FD4BF; --series-3:#FBBF24;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--text);
  line-height: 1.5; font-size: 15px;
  -webkit-font-smoothing: antialiased;
  cursor: none;
  transition: background 0.3s, color 0.3s;
  min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1; }
.mono { font-family: 'JetBrains Mono', monospace; }
a { color: var(--purple); text-decoration: none; }
a:hover { color: var(--purple-hover); }

/* top accent */
.top-accent {
  position: fixed; top: 0; left: 0; right: 0; height: 4px; z-index: 100;
  background: linear-gradient(90deg, var(--teal), var(--purple), var(--teal), var(--purple));
  background-size: 300% 100%;
  animation: accentSlide 14s linear infinite;
}
@keyframes accentSlide { to { background-position: 300% 0; } }

/* crosshair cursor */
.cursor-v, .cursor-h { position: fixed; z-index: 99; pointer-events: none; background: var(--crosshair); }
.cursor-v { top: 0; bottom: 0; width: 1px; }
.cursor-h { left: 0; right: 0; height: 1px; }
.cursor-dot {
  position: fixed; z-index: 99; pointer-events: none;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--purple); border: 1px solid var(--dot-bg);
  transform: translate(-50%, -50%); transition: width 0.15s, height 0.15s;
}
.cursor-dot.big { width: 14px; height: 14px; }
@media (max-width: 1000px) {
  body { cursor: auto; }
  a, button, input, select, summary { cursor: pointer; }
  .cursor-v, .cursor-h, .cursor-dot { display: none; }
}

/* container + header */
.container { max-width: 1320px; margin: 0 auto; padding: 0 2rem; }
@media (max-width: 1000px) { .container { padding: 0 1.5rem; } }
@media (max-width: 600px)  { .container { padding: 0 1rem; } }

header {
  position: sticky; top: 4px; z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 1rem; }
.logo { display: flex; align-items: center; height: 50px; }
.logo-img { height: 48px; width: auto; display: block; }
.logo-img.light-mode { display: block; }
.logo-img.dark-mode  { display: none; }
[data-theme="dark"] .logo-img.light-mode { display: none; }
[data-theme="dark"] .logo-img.dark-mode  { display: block; }
@media (max-width: 600px) { .logo-img { height: 38px; } }

.main-nav { display: flex; gap: 1.4rem; }
.main-nav a {
  color: var(--text-muted); font-size: 0.875rem; font-weight: 500;
  padding: 0.3rem 0; border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: var(--text); }
.main-nav a.active { color: var(--text); border-bottom-color: var(--purple); }
.nav-right { display: flex; align-items: center; gap: 0.75rem; }
.nav-user { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); }
@media (max-width: 780px) {
  .nav-inner { flex-wrap: wrap; height: auto; padding: 0.5rem 0; }
  .main-nav { order: 3; width: 100%; gap: 1rem; padding-bottom: 0.4rem; overflow-x: auto; }
  .nav-user { display: none; }
}

.theme-toggle {
  background: var(--surface); border: 1px solid var(--border);
  width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 4px; color: var(--text-muted); transition: all 0.18s; padding: 0;
}
.theme-toggle:hover { border-color: var(--purple); color: var(--purple); }
.theme-toggle svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.45rem 0.9rem; font-size: 0.825rem;
  border-radius: 4px; border: 1px solid transparent; font-weight: 500;
  transition: all 0.18s ease-out; min-height: 36px;
  font-family: inherit; background: none; color: inherit;
}
.btn-primary { background: var(--purple); color: #fff; }
.btn-primary:hover { background: var(--purple-hover); color: #fff; }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { border-color: var(--text); }
.btn-danger { background: var(--surface); color: var(--neg); border-color: var(--border-strong); }
.btn-danger:hover { border-color: var(--neg); }
.btn .arrow { transition: transform 0.18s; }
.btn:hover .arrow { transform: translateX(3px); }

/* eyebrow + pills */
.eyebrow {
  display: inline-block; font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--purple); background: var(--purple-bg);
  padding: 0.25rem 0.6rem; border-radius: 4px; margin-bottom: 1rem;
}
.pill {
  display: inline-block; font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--purple); background: var(--purple-bg);
  padding: 0.15rem 0.5rem; border-radius: 4px;
}

/* page head */
.page-head { padding: 3rem 0 2rem; border-bottom: 1px solid var(--border); margin-bottom: 2.5rem; }
.page-title { font-size: clamp(1.75rem, 3vw, 2.4rem); line-height: 1.1; letter-spacing: -0.025em; font-weight: 700; margin-bottom: 0.75rem; }
.page-sub { font-size: 1rem; color: var(--text-muted); max-width: 720px; line-height: 1.55; }

/* section rules */
.section-rule {
  display: flex; align-items: center; gap: 1rem;
  margin: 2.5rem 0 1.25rem;
  font-family: 'JetBrains Mono', monospace; font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-faint);
}
.section-rule::before, .section-rule::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* KPI row */
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); margin-bottom: 1rem; }
.kpi-cell { background: var(--surface); padding: 1.25rem; transition: background 0.18s; }
.kpi-cell:hover { background: var(--bg-soft); }
.kpi-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-faint); margin-bottom: 0.5rem; }
.kpi-value { font-size: 1.45rem; font-weight: 500; letter-spacing: -0.01em; }
.kpi-delta { font-size: 0.75rem; margin-top: 0.4rem; color: var(--text-faint); }
.kpi-delta.under { color: var(--warn); }
.kpi-delta.over  { color: var(--text-muted); }
.kpi-delta.even  { color: var(--pos); }
.kpi-featured { background: var(--navy-soft); }
.kpi-featured .kpi-label, .kpi-featured .kpi-delta { color: color-mix(in srgb, #fff 65%, var(--navy-soft)); }
.kpi-featured .kpi-value { color: #fff; }
.kpi-featured:hover { background: var(--navy); }
[data-theme="dark"] .kpi-featured { background: var(--purple-bg); }
[data-theme="dark"] .kpi-featured .kpi-value { color: var(--text); }
[data-theme="dark"] .kpi-featured .kpi-label, [data-theme="dark"] .kpi-featured .kpi-delta { color: var(--text-muted); }
.kpi-link { color: var(--teal); }
.kpi-featured .kpi-link:hover { color: #fff; }

/* panels + tables */
.panel { background: var(--surface); border: 1px solid var(--border); padding: 1.5rem; margin-bottom: 1.5rem; }
.panel-title { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.scroll-panel { max-height: 480px; overflow-y: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.data-table th {
  text-align: left; font-family: 'JetBrains Mono', monospace; font-weight: 500;
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-faint); padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border-strong);
}
.data-table td { padding: 0.55rem 0.75rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.data-table tbody tr { transition: background 0.15s; }
.data-table tbody tr:hover { background: var(--bg-soft); }
.data-table .num, .data-table th.num { text-align: right; }
.data-table .neg { color: var(--neg); }
.note-cell { color: var(--text-faint); font-size: 0.8rem; max-width: 240px; }
.table-note { font-size: 0.8rem; color: var(--text-faint); margin-top: 0.9rem; }

/* forms */
.stack { display: flex; flex-direction: column; gap: 1rem; }
label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.8rem; font-weight: 500; color: var(--text-muted); }
input, select {
  font-family: inherit; font-size: 0.875rem; color: var(--text);
  background: var(--bg); border: 1px solid var(--border-strong); border-radius: 4px;
  padding: 0.5rem 0.65rem; min-height: 38px;
}
input:focus, select:focus { outline: none; border-color: var(--purple); box-shadow: 0 0 0 3px color-mix(in srgb, var(--purple) 15%, transparent); }
.inline-form { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: flex-end; }
.inline-form label { flex: 0 1 auto; }
.inline-form .grow { flex: 1 1 180px; }
.inline-form.small { gap: 0.5rem; margin: 0.5rem 0; align-items: center; }
.inline-form.small input, .inline-form.small select { min-height: 34px; font-size: 0.8rem; }

/* details/actions */
.actions details summary {
  list-style: none; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--purple);
}
.actions details summary::-webkit-details-marker { display: none; }
.actions details[open] summary { color: var(--text-faint); }

/* flashes */
.flash { padding: 0.75rem 1rem; font-size: 0.875rem; margin: 1rem 0; border: 1px solid; border-radius: 4px; }
.flash-neg { background: var(--neg-bg); color: var(--neg); border-color: color-mix(in srgb, var(--neg) 30%, transparent); }
.flash-warn { background: var(--warn-bg); color: var(--text); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.flash-warn a { font-weight: 600; }

/* filter row */
.filter-row { display: flex; gap: 0.75rem; margin-bottom: 1rem; font-size: 0.75rem; }
.filter-row a { color: var(--text-faint); padding: 0.2rem 0.6rem; border: 1px solid var(--border); border-radius: 4px; }
.filter-row a.active { color: var(--purple); border-color: var(--purple); background: var(--purple-bg); }

/* two column */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
@media (max-width: 1000px) { .two-col { grid-template-columns: 1fr; } }

/* chart */
#chart { width: 100%; }
#chart svg { display: block; width: 100%; height: auto; }
.chart-legend { display: flex; gap: 1.5rem; margin-top: 0.9rem; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-faint); }
.chart-legend .sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 0.4rem; vertical-align: -1px; }
.sw1 { background: var(--series-1); } .sw2 { background: var(--series-2); } .sw3 { background: var(--series-3); }
.chart-tip {
  position: fixed; z-index: 90; pointer-events: none;
  background: var(--navy); color: #fff;
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem;
  padding: 0.5rem 0.7rem; border-radius: 4px; box-shadow: var(--shadow-md);
  opacity: 0; transition: opacity 0.12s; white-space: nowrap;
}
[data-theme="dark"] .chart-tip { background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); }
.chart-tip.show { opacity: 1; }
.bar-seg { transition: filter 0.12s; }
.bar-seg:hover { filter: brightness(1.13); }

/* auth */
.auth-wrap { min-height: calc(100vh - 200px); display: flex; align-items: center; justify-content: center; padding: 3rem 1rem; }
.auth-card { width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--border); padding: 2.5rem; }
.auth-title { font-size: 1.75rem; letter-spacing: -0.02em; margin-bottom: 0.5rem; }
.auth-sub { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
.btn-block { width: 100%; justify-content: center; }
.auth-note { font-size: 0.75rem; color: var(--text-faint); margin-top: 0.9rem; text-align: center; }

/* footer */
.site-footer { margin-top: 6rem; border-top: 1px solid var(--border); padding: 2rem 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; flex-wrap: wrap; }
.footer-logo { height: 32px; margin-bottom: 0.75rem; }
.footer-disclaimer { font-size: 0.75rem; color: var(--text-faint); max-width: 480px; }
.footer-right { font-size: 0.72rem; color: var(--text-faint); }

/* period tabs */
.period-tabs { display: flex; gap: 4px; margin-bottom: 14px; font-size: 12px; letter-spacing: .04em; }
.period-tabs a { padding: 6px 14px; border: 1px solid var(--border, #e2e8f0); border-radius: 999px; color: var(--muted, #64748b); text-decoration: none; transition: all .15s ease; text-transform: uppercase; }
.period-tabs a:hover { color: var(--fg, #0f172a); border-color: var(--fg, #0f172a); }
.period-tabs a.active { background: var(--accent, #4f39f6); border-color: var(--accent, #4f39f6); color: #fff; }
[data-theme="dark"] .period-tabs a { border-color: #2a3346; color: #8b93a7; }
[data-theme="dark"] .period-tabs a:hover { color: #e6e9f0; border-color: #e6e9f0; }
[data-theme="dark"] .period-tabs a.active { background: var(--accent, #6d5cff); border-color: var(--accent, #6d5cff); color: #fff; }