/* MolMin — shared base: design tokens, reset, components used across pages */

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #161822;
  --bg-tertiary: #1e2030;
  --bg-card: #1a1c2e;
  --surface: #252840;
  --border: #2d3154;
  --border-focus: #6366f1;
  --text-primary: #e8eaf0;
  --text-secondary: #9ca3b8;
  --text-muted: #636882;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --purple: #8b5cf6;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --nav-h: 60px;
  --nav-bg: rgba(15, 17, 23, 0.85);
  --modal-overlay: rgba(0, 0, 0, 0.65);
  --dropdown-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --card-glow-1: rgba(99,102,241,0.05);
  --card-glow-2: rgba(139,92,246,0.03);
  --card-glow-3: rgba(167,139,250,0.05);
  --card-glow-border: rgba(99,102,241,0.1);
  --orb-opacity: 0.35;
  --grid-line: rgba(99,102,241,0.04);
  --cmp-best-bg: rgba(34, 197, 94, 0.12);
  --cmp-best-color: #4ade80;
  --cmp-good-bg: rgba(34, 197, 94, 0.05);
  --cmp-good-color: #86efac;
  --cmp-poor-bg: rgba(245, 158, 11, 0.06);
  --cmp-poor-color: #fbbf24;
  --cmp-worst-bg: rgba(239, 68, 68, 0.1);
  --cmp-worst-color: #f87171;
  --structure-export-bg: rgba(37,40,64,0.85);
}

/* Light mode — Apple design language */
[data-theme="light"] {
  --bg-primary: #f5f5f7;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f5f5f7;
  --bg-card: #ffffff;
  --surface: #e8e8ed;
  --border: #d2d2d7;
  --border-focus: #007aff;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-muted: #aeaeb2;
  --accent: #007aff;
  --accent-hover: #0056b3;
  --accent-glow: rgba(0, 122, 255, 0.12);
  --purple: #af52de;
  --green: #34c759;
  --red: #ff3b30;
  --amber: #ff9500;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.03);
  --nav-bg: rgba(255, 255, 255, 0.72);
  --modal-overlay: rgba(0, 0, 0, 0.25);
  --dropdown-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 0 0 0.5px rgba(0, 0, 0, 0.04);
  --card-glow-1: rgba(0, 122, 255, 0.015);
  --card-glow-2: rgba(0, 122, 255, 0.008);
  --card-glow-3: rgba(0, 122, 255, 0.015);
  --card-glow-border: rgba(0, 0, 0, 0.06);
  --orb-opacity: 0.04;
  --grid-line: rgba(0, 0, 0, 0.025);
  --cmp-best-bg: rgba(52, 199, 89, 0.08);
  --cmp-best-color: #248a3d;
  --cmp-good-bg: rgba(52, 199, 89, 0.04);
  --cmp-good-color: #34c759;
  --cmp-poor-bg: rgba(255, 149, 0, 0.06);
  --cmp-poor-color: #c77c00;
  --cmp-worst-bg: rgba(255, 59, 48, 0.06);
  --cmp-worst-color: #ff3b30;
  --structure-export-bg: rgba(245, 245, 247, 0.95);
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  /* Text selection enabled globally */
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

/* Global background grid — barely-visible computational fabric, fixed
   so it doesn't scroll, radial mask fades it at the edges */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 10%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 10%, transparent 80%);
  opacity: 0.7;
}

/* Shared text gradient */
.accent {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 40%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .accent {
  background: linear-gradient(135deg, #007aff 0%, #5856d6 50%, #af52de 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Theme toggle switch */
.theme-toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
}

.theme-toggle-track {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--surface);
  border: none;
  border-radius: 12px;
  transition: background 0.3s;
}

.theme-toggle-track:hover {
  background: var(--border);
}

.theme-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-theme="light"] .theme-toggle-thumb {
  transform: translateX(20px);
}

.theme-toggle-icon {
  width: 12px;
  height: 12px;
  color: #fff;
  flex-shrink: 0;
}

.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun  { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun  { display: block; }

/* Shared footer components */
.visitor-badge {
  display: inline-flex;
  border-radius: 4px;
  overflow: hidden;
  vertical-align: middle;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
}

.visitor-badge-label {
  background: var(--surface);
  color: var(--text-secondary);
  padding: 0.3rem 0.5rem;
  text-transform: lowercase;
}

.visitor-badge-count {
  background: var(--accent);
  color: #fff;
  padding: 0.3rem 0.55rem;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

/* Themed scrollbars (global) — Firefox uses scrollbar-color from html;
   WebKit uses bare ::-webkit-scrollbar pseudos to match every scroll container */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}
::-webkit-scrollbar-corner {
  background: transparent;
}
/* Hide default ▲/▼ buttons Chrome/Edge render at scrollbar ends */
::-webkit-scrollbar-button,
::-webkit-scrollbar-button:single-button,
::-webkit-scrollbar-button:start:decrement,
::-webkit-scrollbar-button:end:increment {
  display: none;
  height: 0;
  width: 0;
}

/* Image / SVG / canvas drag prevention (these aren't text) */
img, svg, canvas {
  pointer-events: auto;
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
}

/* Site footer (Drylab-inspired) */
.site-footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border);
  padding: 4rem 3rem 0;
  background: var(--bg-primary);
}

.site-footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr;
  gap: 3rem;
}

/* Brand column */
.site-footer-brand {
  padding-right: 2rem;
}

.site-footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0;
}

/* Link columns */
.site-footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.site-footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.site-footer-col a {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.site-footer-col a:hover {
  color: var(--text-primary);
}

/* Bottom bar */
.site-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.site-footer-bottom p {
  margin: 0;
  opacity: 0.6;
}

.site-footer-social {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-footer-social a {
  color: var(--text-muted);
  transition: color 0.15s;
  display: flex;
}

.site-footer-social a:hover {
  color: var(--text-primary);
}

.site-footer-social svg {
  fill: currentColor;
}

/* Responsive */
@media (max-width: 768px) {
  .site-footer {
    padding: 3rem 2rem 0;
  }
  .site-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .site-footer-brand {
    grid-column: 1 / -1;
    padding-right: 0;
  }
}

@media (max-width: 480px) {
  .site-footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .site-footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}

/* Hide content when printing */
@media print {
  body {
    display: none !important;
  }
}