/* Navigation/header specific styles */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--header-bg); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 10px; position: relative; }
.logo { font-weight: 700; letter-spacing: .3px; }
.main-nav { display: flex; gap: 16px; }
.main-nav a { padding: 8px 12px; border-radius: 8px; color: var(--muted); transition: .2s ease; }
.main-nav a:hover { background: var(--bg-soft); color: var(--text); }
.main-nav a.active { color: var(--text); background: var(--nav-active-bg); outline: 1px solid var(--nav-active-outline); }
.nav-toggle { display: none; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border); background: var(--card); color: var(--text); cursor: pointer; font-size: 18px; }
.nav-toggle:focus { outline: 2px solid rgba(255,107,107,.4); }

/* Theme switcher within header */
.theme-toggle { display: inline-flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--border); background: var(--card); color: var(--text); cursor: pointer; }
.theme-toggle:hover { background: var(--bg-soft); }
.theme-menu { position: absolute; right: 0; top: calc(100% + 8px); background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 8px; display: grid; gap: 6px; min-width: 240px; box-shadow: var(--shadow); visibility: hidden; opacity: 0; transform: translateY(-6px); transition: transform .15s ease, opacity .15s ease, visibility .15s; z-index: 200; }
.theme-menu.open { visibility: visible; opacity: 1; transform: translateY(0); }
.theme-option { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg-soft); cursor: pointer; }
.theme-option:hover { background: color-mix(in oklab, var(--bg-soft), var(--card) 40%); }
.theme-sample { display: inline-flex; align-items: center; gap: 4px; }
.swatch { width: 14px; height: 14px; border-radius: 50%; border: 1px solid var(--border); }
.theme-toggle.icon { width: 38px; height: 38px; padding: 0; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; }
.theme-toggle.icon svg { width: 18px; height: 18px; }
.theme-panel { display: grid; gap: 8px; }
.theme-panel h4 { margin: 4px 4px 2px; font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: .3px; text-transform: uppercase; }
.swatch-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; padding: 4px; }
.swatch-btn { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 999px; border: 2px solid transparent; background: var(--bg-soft); cursor: pointer; }
.swatch-btn .sw1, .swatch-btn .sw2 { width: 12px; height: 12px; border-radius: 50%; border: 1px solid var(--border); }
.swatch-btn .sw2 { margin-left: -6px; }
.swatch-btn:hover { filter: brightness(1.05); }
.swatch-btn.selected { border-color: var(--primary); box-shadow: 0 0 0 2px color-mix(in oklab, var(--primary), #fff 75%); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .main-nav { position: absolute; right: 0; top: calc(100% + 8px); background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 8px; display: grid; gap: 6px; min-width: 220px; box-shadow: var(--shadow); visibility: hidden; opacity: 0; transform: translateY(-6px); transition: transform .15s ease, opacity .15s ease, visibility .15s; }
  .main-nav a { color: var(--text); background: transparent; }
  .main-nav.open { visibility: visible; opacity: 1; transform: translateY(0); }
}