/**
 * TILCOR — Design Tokens & Navigation Styles
 * Ilmiy / akademik uslub: To'q ko'k (#1e3a5f), oq, och kulrang (#f8fafc), qora matn (#0f172a).
 */

:root {
  --tilcor-primary: #1e3a5f;
  --tilcor-primary-hover: #152a45;
  --tilcor-primary-light: #eef2ff;
  --tilcor-bg: #f8fafc;
  --tilcor-surface: #ffffff;
  --tilcor-surface-alt: #f1f5f9;
  --tilcor-border: #e2e8f0;
  --tilcor-border-strong: #cbd5e1;
  --tilcor-text: #0f172a;
  --tilcor-text-muted: #475569;
  --tilcor-text-subtle: #64748b;
  --tilcor-accent: #0f766e;
  --tilcor-accent-light: #f0fdfa;
  --tilcor-danger: #b91c1c;
  --tilcor-success: #15803d;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Noto Serif', Georgia, Cambria, serif;
  --font-mono: ui-monospace, Menlo, Monaco, Consolas, monospace;
}

body {
  font-family: var(--font-sans);
  background-color: var(--tilcor-bg);
  color: var(--tilcor-text);
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

/* Desktop Dropdown Navigation */
.tilcor-dropdown {
  position: relative;
  display: inline-block;
}

.tilcor-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: #ffffff;
  border: 1px solid var(--tilcor-border);
  border-radius: 8px;
  box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  padding: 6px 0;
  z-index: 50;
}

.dark .tilcor-dropdown-menu {
  background: #0f172a;
  border-color: #334155;
}

.tilcor-dropdown:hover .tilcor-dropdown-menu,
.tilcor-dropdown:focus-within .tilcor-dropdown-menu,
.tilcor-dropdown.active .tilcor-dropdown-menu {
  display: block;
}

.tilcor-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--tilcor-text);
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.dark .tilcor-dropdown-item {
  color: #e2e8f0;
}

.tilcor-dropdown-item:hover {
  background-color: #f1f5f9;
  color: var(--tilcor-primary);
}

.dark .tilcor-dropdown-item:hover {
  background-color: #1e293b;
  color: #ffffff;
}

/* Mobile Accordion */
.mobile-accordion-content {
  display: none;
  padding-left: 16px;
}

.mobile-accordion.open .mobile-accordion-content {
  display: block;
}

/* Compact Stats Strip */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.stats-card {
  background: var(--tilcor-surface);
  border: 1px solid var(--tilcor-border);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.dark .stats-card {
  background: #1e293b;
  border-color: #334155;
}

/* Compact Feature Cards */
.feature-card {
  background: var(--tilcor-surface);
  border: 1px solid var(--tilcor-border);
  border-radius: 12px;
  padding: 20px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.dark .feature-card {
  background: #0f172a;
  border-color: #1e293b;
}

.feature-card:hover {
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
}