/* ═══ MCP Unified Theme — Dark & Light Modes ═══ */

/* ──── Dark Mode (default) ──── */
:root,
[data-theme="dark"] {
  --bg-primary: #0e0b12;
  --bg-secondary: #16111e;
  --bg-card: rgba(45, 19, 69, 0.45);
  --bg-card-hover: rgba(55, 25, 85, 0.6);
  --bg-card-solid: #1c1428;
  --bg-glass: rgba(45, 19, 69, 0.25);
  --bg-input: rgba(14,11,18,0.6);
  --border: rgba(204, 176, 230, 0.1);
  --border-glow: rgba(237, 34, 130, 0.5);
  --text-primary: #F6F4FB;
  --text-secondary: #CCB0E6;
  --text-muted: #7a6f8a;
  --accent: #ED2282;
  --accent-hover: #f54da0;
  --accent-glow: rgba(237, 34, 130, 0.12);
  --green: #10b981;
  --green-glow: rgba(16, 185, 129, 0.12);
  --orange: #f97316;
  --pink: #ED2282;
  --cyan: #06b6d4;
  --yellow: #eab308;
  --red: #ef4444;
  --gradient-hero: linear-gradient(135deg, #ED2282 0%, #f06aa8 30%, #CCB0E6 65%, #2D1345 100%);
  --gradient-glass: linear-gradient(135deg, rgba(237,34,130,0.06) 0%, rgba(45,19,69,0.12) 100%);
  --shadow-card: 0 8px 40px rgba(0,0,0,0.2);
  --shadow-elevated: 0 20px 60px rgba(0,0,0,0.25);
  --topnav-bg: rgba(14, 11, 18, 0.85);
  --code-bg: rgba(14,11,18,0.7);
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Cascadia Code', monospace;
  --font-heading: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-sans: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: dark;
}

/* ──── Light Mode ──── */
[data-theme="light"] {
  --bg-primary: #F6F4FB;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f8f6fc;
  --bg-card-solid: #ffffff;
  --bg-glass: rgba(45, 19, 69, 0.04);
  --bg-input: #f1eef6;
  --border: #e2ddf0;
  --border-glow: rgba(237, 34, 130, 0.35);
  --text-primary: #1a1625;
  --text-secondary: #584d6e;
  --text-muted: #94899f;
  --accent: #d41e74;
  --accent-hover: #be1766;
  --accent-glow: rgba(212, 30, 116, 0.08);
  --green: #059669;
  --green-glow: rgba(5, 150, 105, 0.08);
  --orange: #ea580c;
  --cyan: #0891b2;
  --yellow: #ca8a04;
  --red: #dc2626;
  --gradient-hero: linear-gradient(135deg, #d41e74 0%, #e8569d 30%, #7c5fa8 65%, #2D1345 100%);
  --gradient-glass: linear-gradient(135deg, rgba(212,30,116,0.04) 0%, rgba(45,19,69,0.06) 100%);
  --shadow-card: 0 4px 24px rgba(45, 19, 69, 0.08);
  --shadow-elevated: 0 12px 40px rgba(45, 19, 69, 0.12);
  --topnav-bg: rgba(255, 255, 255, 0.88);
  --code-bg: #f0ecf6;
  color-scheme: light;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1.063rem;
  padding: 0;
  margin: 0;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s, color 0.3s;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--accent-glow);
  padding: 2px 7px;
  border-radius: 5px;
  color: var(--accent);
}

::selection {
  background: rgba(237, 34, 130, 0.3);
  color: #fff;
}

[data-theme="light"] ::selection {
  background: rgba(212, 30, 116, 0.2);
  color: #1a1625;
}

/* ═══ Shared Top Nav ═══ */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(16px, 3vw, 32px);
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--topnav-bg);
  transition: background 0.3s, border-color 0.3s;
}

.topnav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
}
.topnav-brand .logo {
  width: 34px; height: 34px;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(237,34,130,0.2), 0 0 0 1px rgba(237,34,130,0.15);
  transition: box-shadow 0.3s;
}
.topnav-brand:hover .logo {
  box-shadow: 0 0 24px rgba(237,34,130,0.35), 0 0 0 1px rgba(237,34,130,0.25);
}
.topnav-brand .logo img { width: 100%; height: 100%; object-fit: cover; }

.topnav-links {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  align-items: center;
}
.topnav-links a {
  padding: 7px 14px;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.25s var(--ease-out-expo);
  white-space: nowrap;
  text-decoration: none;
}
.topnav-links a:hover {
  background: var(--accent-glow);
  color: var(--text-secondary);
}
.topnav-links a.active {
  background: var(--accent-glow);
  color: var(--accent);
}

.topnav-links .nav-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.4;
  margin: 0 4px;
  flex-shrink: 0;
}

.topnav-links a.logout-link {
  color: var(--text-muted);
  opacity: 0.7;
}
.topnav-links a.logout-link:hover {
  opacity: 1;
  color: var(--red);
  background: rgba(239,68,68,0.08);
}

/* ── Theme Toggle ── */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-glass);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.25s var(--ease-out-expo);
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}
/* Show sun in dark mode, moon in light mode */
[data-theme="dark"] .theme-icon-moon { display: none; }
[data-theme="dark"] .theme-icon-sun { display: block; }
[data-theme="light"] .theme-icon-sun { display: none; }
[data-theme="light"] .theme-icon-moon { display: block; }

/* Floating toggle for pages without topnav (login, authorize) */
.theme-toggle--float {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 200;
}

/* Leaderboard: force dark topnav to match the dark-only body */
body.leaderboard-page .topnav {
  background: var(--fb-lb-bg, rgba(11, 16, 34, 0.6));
  border-bottom-color: rgba(248,250,252,0.06);
}
body.leaderboard-page .topnav-brand { color: var(--fb-text-on-dark, #f8fafc); }
body.leaderboard-page .topnav-links a { color: rgba(248,250,252,0.5); }
body.leaderboard-page .topnav-links a:hover { color: var(--fb-text-on-dark, #f8fafc); background: var(--accent-glow); }
body.leaderboard-page .topnav-links a.active { color: var(--accent); background: var(--accent-glow); }
body.leaderboard-page .topnav-links .nav-dot { background: rgba(248,250,252,0.2); }
body.leaderboard-page .theme-toggle { border-color: rgba(248,250,252,0.1); color: rgba(248,250,252,0.5); }

@media (max-width: 768px) {
  .topnav { flex-direction: column; gap: 10px; padding: 12px 16px; }
  .topnav-links { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; justify-content: center; }
  .topnav-links a { padding: 6px 10px; font-size: 0.76rem; }
  .topnav-links .nav-dot { display: none; }
}

/* ═══ Ambient Background ═══ */
.ambient {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
  transition: opacity 0.4s;
}
.ambient::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(237,34,130,0.07) 0%, transparent 65%);
  animation: ambientDrift 25s ease-in-out infinite;
}
.ambient::after {
  content: '';
  position: absolute;
  bottom: -15%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(45,19,69,0.15) 0%, transparent 65%);
  animation: ambientDrift 30s ease-in-out infinite reverse;
}
[data-theme="light"] .ambient { opacity: 0.3; }

@keyframes ambientDrift {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 1; }
  33% { transform: translate(40px, -25px) scale(1.08); opacity: 0.8; }
  66% { transform: translate(-25px, 40px) scale(0.96); opacity: 1; }
}

/* ═══ Light-mode overrides for inline dark backgrounds ═══ */
[data-theme="light"] .section-card .field input,
[data-theme="light"] .section-card .field select,
[data-theme="light"] .section-card .field textarea,
[data-theme="light"] .modal .field input,
[data-theme="light"] .modal .field textarea {
  background: var(--bg-input);
  border-color: var(--border);
}

[data-theme="light"] .code-block {
  background: var(--code-bg);
}

[data-theme="light"] .card {
  box-shadow: var(--shadow-card);
}

[data-theme="light"] .rec-card {
  background: var(--bg-glass);
}

[data-theme="light"] .config-item {
  background: var(--bg-glass);
}

[data-theme="light"] .tool-card {
  background: var(--bg-card);
  border-color: var(--border);
}
[data-theme="light"] .tool-card:hover {
  background: var(--bg-card-hover);
}

[data-theme="light"] .quickstart {
  background: var(--bg-card);
  border-color: var(--border);
}

[data-theme="light"] .stat {
  background: var(--bg-card);
  border-color: var(--border);
}

[data-theme="light"] .arch-card {
  background: var(--bg-card);
  border-color: var(--border);
}