/* ========================================
   Global Nav + Theme — shared across all pages
   ======================================== */

:root {
  --content-max: 860px;
  --nav-bg: rgba(26,26,46,0.85);
  --bg: #1a1a2e;
  --bg2: #16213e;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #e879f9;
  --accent2: #38bdf8;
  --border: rgba(255,255,255,0.08);
  --radius: 12px;
  --dropdown-bg: #1e2a45;
}

[data-theme="light"] {
  --nav-bg: rgba(248,249,250,0.92);
  --bg: #f8f9fa;
  --bg2: #f0f2f5;
  --text: #1a1a2e;
  --muted: #64748b;
  --accent: #a855f7;
  --accent2: #0ea5e9;
  --border: rgba(0,0,0,0.08);
  --dropdown-bg: #ffffff;
}

body {
  background: var(--bg);
  color: var(--text);
  transition: background 0.3s, color 0.3s;
}

/* ── Nav ── */
nav.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, border-color 0.3s;
}

.nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-logo {
  font-family: ui-monospace, 'SF Mono', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  /* override any gradient fill from old pages */
  background: none !important;
  -webkit-text-fill-color: var(--text) !important;
}

.nav-links {
  display: flex; align-items: center; gap: 4px;
  list-style: none;
}

.nav-links a, .nav-dropdown > a {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
  cursor: pointer;
  display: flex; align-items: center;
}

.nav-links a:hover,
.nav-links a.active,
.nav-dropdown > a:hover {
  color: var(--text);
  background: rgba(128,128,128,0.1);
}

/* dropdown */
.nav-dropdown { position: relative; display: flex; align-items: center; }

.dropdown-menu {
  display: none;
  position: absolute; top: 100%; left: 0;
  padding-top: 8px;
  min-width: 180px;
  z-index: 200;
}

.dropdown-menu-inner {
  background: var(--dropdown-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}

.nav-dropdown:hover .dropdown-menu { display: block; }

.dropdown-menu a {
  display: block; padding: 9px 16px;
  font-size: 0.85rem; color: var(--muted);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.dropdown-menu a:hover { background: rgba(128,128,128,0.1); color: var(--text); }

/* ── Nav controls (lang + theme) ── */
.nav-controls {
  display: flex; align-items: center; gap: 4px;
}

/* ── Language dropdown ── */
.lang-dropdown { position: relative; margin-left: 4px; }

.lang-dropdown-btn {
  display: flex; align-items: center;
  width: 36px; height: 36px;
  padding: 0; justify-content: center;
  border-radius: 8px; border: none;
  background: transparent; color: var(--muted);
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.lang-dropdown-btn:hover { color: var(--text); background: rgba(128,128,128,0.1); }

/* hide label and chevron — icon only */
.lang-dropdown-btn .lang-label,
.lang-dropdown-btn .chevron { display: none; }

.lang-dropdown-menu {
  display: none;
  position: absolute; top: calc(100% + 6px); right: 0;
  min-width: 110px;
  background: var(--dropdown-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  z-index: 300;
}
.lang-dropdown.open .lang-dropdown-menu { display: block; }

.lang-dropdown-menu a {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  font-size: 0.85rem; color: var(--muted);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.lang-dropdown-menu a:hover { background: rgba(128,128,128,0.1); color: var(--text); }
.lang-dropdown-menu a.current { color: var(--text); font-weight: 600; pointer-events: none; }

/* ── Theme toggle button ── */
.theme-toggle {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color 0.2s, background 0.2s;
  flex-shrink: 0;
  margin-left: 4px;
}

.theme-toggle:hover { color: var(--text); background: rgba(128,128,128,0.1); }

.theme-toggle .icon-sun,
.theme-toggle .icon-moon { display: none; }

[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"]  .theme-toggle .icon-moon { display: block; }
/* default (no attribute) = dark */
:root:not([data-theme]) .theme-toggle .icon-moon { display: block; }

/* ── Mobile nav ── */
@media (max-width: 768px) {

  /* show top nav bar on mobile */
  nav.site-nav { display: flex; }

  /* full-width, space-between layout — hamburger left, controls right */
  .nav-inner {
    max-width: 100%;
    padding: 0 16px;
    margin: 0;
    justify-content: space-between;
    width: 100%;
  }

  /* hide desktop link list */
  .nav-links { display: none; }

  /* hamburger — flush left */
  .nav-hamburger {
    order: -1;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    width: 44px; height: 64px;
    background: transparent; border: none;
    color: var(--muted); cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.2s;
  }
  .nav-hamburger:active { color: var(--text); }

  /* take nav-links fully out of flex flow */
  .nav-links { display: none; position: absolute; }

  /* right-side controls — no extra padding needed */
  .nav-controls {
    margin-left: auto;
    padding-right: 0;
  }

  .nav-inner > div:last-child {
    margin-left: auto;
    display: flex; align-items: center; gap: 0;
  }

  /* slide-in drawer — below nav bar only */
  .mobile-drawer {
    position: fixed; top: 64px; left: 0; bottom: 0;
    width: 200px;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid var(--border);
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    z-index: 999;
    padding: 8px 0;
    display: flex; flex-direction: column;
    pointer-events: none;
  }
  .mobile-drawer.open { transform: translateX(0); pointer-events: auto; }

  .mobile-drawer a {
    display: block;
    padding: 13px 20px;
    font-size: 0.95rem; font-weight: 500;
    color: var(--muted); text-decoration: none;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.15s, background 0.15s;
  }
  .mobile-drawer a.active,
  .mobile-drawer a:active { color: var(--text); background: rgba(128,128,128,0.08); }

  /* overlay — starts below nav bar */
  .mobile-drawer-overlay {
    display: none;
    position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
    z-index: 998;
    background: rgba(0,0,0,0.25);
  }
  .mobile-drawer-overlay.open { display: block; }

  /* hide old bottom nav */
  .mobile-nav { display: none !important; }
  body { padding-bottom: 0; }
}

@media (min-width: 769px) {
  .nav-hamburger { display: none; }
  .mobile-drawer { display: none !important; }
  .mobile-drawer-overlay { display: none !important; }
}

/* Temporarily hide /now link */
.nav-links a[href="/now"],
.mobile-drawer-links a[href="/now"],
.mobile-nav-item[href="/now"] {
  display: none !important;
}