/* CheddarFrogg Tools — Fluent Dark Design System */
:root {
  --canvas: #0E1113;
  --surface: #161B1E;
  --elevated: #21272C;
  --accent: #00C8C8;
  --accent-hover: #00E5E5;
  --text-primary: #F5F5F5;
  --text-secondary: #A0AAB0;
  --text-sub: #707A80;
  --border: 1px solid rgba(255, 255, 255, 0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --font-sans: 'Segoe UI Variable', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Cascadia Code', 'Consolas', monospace;
}

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

body {
  background: var(--canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: var(--border);
  background: rgba(22, 27, 30, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand-mark { display: flex; align-items: center; }
.brand-name {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}
.brand-name span { color: var(--accent); }
.nav-spacer { flex: 1; }
.nav-links { display: flex; gap: 20px; font-size: 0.92rem; }
.nav-links a { color: var(--text-secondary); }
.nav-links a:hover { color: var(--accent-hover); }

/* ---------- Hero ---------- */
.hero {
  text-align: center;
  padding: 72px 24px 48px;
  max-width: 760px;
  margin: 0 auto;
}
.hero-icon {
  display: inline-flex;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 24px rgba(0, 200, 200, 0.25));
}
.hero h1 {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.hero h1 .accent { color: var(--accent); }
.tagline {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 28px;
}
.spec-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 28px;
}
.pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: var(--surface);
  border: var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  white-space: nowrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary {
  background: var(--accent);
  color: #06292A;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #06292A;
  box-shadow: 0 4px 24px rgba(0, 200, 200, 0.35);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: var(--border);
}
.btn-ghost:hover {
  background: var(--elevated);
  color: var(--text-primary);
}
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- Cards / Grid ---------- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  padding-bottom: 64px;
}
.card {
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.card:hover {
  background: var(--elevated);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(0, 200, 200, 0.15);
}
.card-header { display: flex; align-items: center; gap: 12px; }
.card-header img { border-radius: var(--radius-sm); }
.card-header h2 { font-size: 1.35rem; font-weight: 650; }
.version-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(0, 200, 200, 0.12);
  color: var(--accent);
  border: 1px solid rgba(0, 200, 200, 0.3);
  border-radius: 6px;
  padding: 2px 8px;
  margin-left: 4px;
  white-space: nowrap;
}
.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  white-space: nowrap;
}
.card p.desc { color: var(--text-secondary); font-size: 0.95rem; flex: 1; }
.card-actions { display: flex; flex-direction: column; gap: 12px; margin-top: 6px; }
.card-actions .btn { width: 100%; }
.detail-link { text-align: center; font-size: 0.9rem; }

/* ---------- Feature cards ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 32px 0;
}
.feature-card {
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--accent); }
.feature-card p { color: var(--text-secondary); font-size: 0.92rem; }

/* ---------- Showcase frame ---------- */
.showcase-frame {
  border: var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(0, 200, 200, 0.12), 0 8px 48px rgba(0, 200, 200, 0.12);
  margin: 28px auto;
  max-width: 720px;
}
.showcase-frame img { display: block; width: 100%; height: auto; }

/* ---------- Profile / code block ---------- */
.profile-card {
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin: 32px 0;
}
.profile-card h3 { margin-bottom: 14px; font-size: 1.1rem; }
.profile-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.profile-table th, .profile-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.profile-table th { color: var(--text-sub); font-weight: 500; text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.06em; }
.profile-table td { color: var(--text-primary); }
.profile-table td:last-child, .profile-table th:last-child { text-align: right; }
.profile-table tr:last-child td { border-bottom: none; }

/* ---------- Back link / footer ---------- */
.back-link { display: inline-block; margin: 32px 0; font-size: 0.92rem; }
footer {
  border-top: var(--border);
  padding: 28px 0 40px;
  text-align: center;
  color: var(--text-sub);
  font-size: 0.85rem;
}

/* ---------- SyncMirror emerald theme (scoped) ---------- */
.syncmirror-theme {
  --accent: #00D084;
  --accent-hover: #00FF9D;
  --accent-glow: rgba(0, 208, 132, 0.35);
  --accent-muted: rgba(0, 208, 132, 0.2);
}
.syncmirror-theme .hero-icon {
  filter: drop-shadow(0 0 24px rgba(0, 208, 132, 0.35));
}
.syncmirror-theme .btn-primary {
  color: #05281A;
}
.syncmirror-theme .btn-primary:hover {
  color: #05281A;
  box-shadow: 0 4px 24px rgba(0, 208, 132, 0.35);
}
.syncmirror-theme .version-badge {
  background: rgba(0, 208, 132, 0.12);
  border-color: rgba(0, 208, 132, 0.3);
}
.syncmirror-theme .card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(0, 208, 132, 0.2);
}
.syncmirror-theme .showcase-frame {
  box-shadow: 0 0 0 1px rgba(0, 208, 132, 0.2), 0 8px 48px rgba(0, 208, 132, 0.15);
}

@media (max-width: 640px) {
  .hero h1 { font-size: 1.9rem; }
  .hero { padding: 48px 20px 32px; }
  .nav-links { display: none; }
}