/* ============================================================
   Axiom Vault — design tokens
   Palette: deep ink navy + brass/gold vault accent (not the usual
   cream/terracotta or near-black/acid-green defaults).
   Type: Fraunces (display, ledger character) + Inter (UI) +
   IBM Plex Mono (metadata: sizes, timestamps, permissions).
   ============================================================ */
:root {
  --ink-950: #0a0e1a;
  --ink-900: #0f1729;
  --ink-800: #16213b;
  --ink-700: #1f2c4d;
  --ink-600: #2c3b62;
  --paper-100: #f6f4ee;
  --paper-50: #fbfaf6;
  --brass-300: #e8cd7a;
  --brass-400: #d4af37;
  --brass-500: #b8942c;
  --brass-600: #93731f;
  --slate-300: #c3cbe0;
  --slate-400: #8793ac;
  --slate-500: #64708a;
  --ok-500: #3fae6b;
  --danger-500: #d0554a;
  --warn-500: #d69a3d;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 20px 60px -20px rgba(10, 14, 26, 0.45);
}

* { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--paper-100);
}

.font-display { font-family: var(--font-display); }
.font-mono { font-family: var(--font-mono); letter-spacing: 0.01em; }

/* ---- App shell ------------------------------------------------ */
.axiom-shell {
  min-height: 100vh;
  display: flex;
}

.axiom-sidebar {
  width: 256px;
  flex-shrink: 0;
  background: var(--ink-950);
  color: var(--slate-300);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--ink-700);
}

.axiom-sidebar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px 20px;
  border-bottom: 1px solid var(--ink-800);
}

.axiom-sidebar .brand-mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.axiom-sidebar .brand-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--paper-50);
  line-height: 1.1;
}

.axiom-sidebar .brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-400);
}

.axiom-nav { padding: 14px 12px; flex: 1; }

.axiom-nav .nav-link {
  color: var(--slate-300);
  font-size: 0.92rem;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2px;
  transition: background 0.15s ease, color 0.15s ease;
}

.axiom-nav .nav-link i { font-size: 1rem; width: 18px; text-align: center; color: var(--slate-500); }

.axiom-nav .nav-link:hover {
  background: var(--ink-800);
  color: var(--paper-50);
}

.axiom-nav .nav-link.active {
  background: linear-gradient(90deg, rgba(212,175,55,0.16), rgba(212,175,55,0.03));
  color: var(--paper-50);
  border-left: 2px solid var(--brass-400);
  padding-left: 12px;
}

.axiom-nav .nav-link.active i { color: var(--brass-400); }

.axiom-nav .nav-section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-500);
  padding: 16px 14px 6px;
}

.axiom-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.axiom-topbar {
  height: 64px;
  flex-shrink: 0;
  background: var(--paper-50);
  border-bottom: 1px solid #e7e2d4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.axiom-topbar .page-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ink-900);
}

.axiom-content { padding: 28px; flex: 1; }

/* ---- Stat cards ------------------------------------------------ */
.stat-card {
  background: var(--paper-50);
  border: 1px solid #e7e2d4;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  height: 100%;
}

.stat-card .stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-500);
}

.stat-card .stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--ink-900);
  line-height: 1.1;
  margin-top: 6px;
}

.stat-card .stat-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212,175,55,0.12);
  color: var(--brass-600);
  font-size: 1.05rem;
}

/* ---- Activity feed ------------------------------------------------ */
.activity-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #efebe0;
}
.activity-item:last-child { border-bottom: none; }

.activity-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--brass-400);
  margin-top: 6px;
  flex-shrink: 0;
}

.activity-text { font-size: 0.88rem; color: var(--ink-800); }
.activity-time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--slate-500);
}

.axiom-card {
  background: var(--paper-50);
  border: 1px solid #e7e2d4;
  border-radius: var(--radius-md);
}

.axiom-card .card-header-custom {
  padding: 16px 20px;
  border-bottom: 1px solid #efebe0;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ink-900);
}

@media (max-width: 900px) {
  .axiom-sidebar { display: none; }
}