/* webapp2 — Retro-futuristic: CRT, neon cyan/magenta, geometric */

:root {
  --font-display: 'Orbitron', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --bg: #0c0e14;
  --surface: #141822;
  --border: #1e2433;
  --text: #e2e8f0;
  --text-muted: #64748b;
  --accent: #22d3ee;
  --accent-glow: rgba(34, 211, 238, 0.5);
  --accent-hover: #67e8f9;
  --danger: #f472b6;
  --danger-glow: rgba(244, 114, 182, 0.4);
  --focus-ring: #22d3ee;
  --radius: 2px;
}

html.light {
  --bg: #f0f9ff;
  --surface: #fff;
  --border: #bae6fd;
  --text: #0c4a6e;
  --text-muted: #0369a1;
  --accent: #0891b2;
  --accent-glow: rgba(8, 145, 178, 0.25);
  --accent-hover: #0e7490;
  --danger: #db2777;
  --danger-glow: rgba(219, 39, 119, 0.25);
  --focus-ring: #0891b2;
}

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

html { font-size: 16px; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
}

.crt-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  z-index: 9999;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem 2rem;
  border-bottom: 2px solid var(--accent);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 0 20px var(--accent-glow);
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-decoration: none;
  text-shadow: 0 0 12px var(--accent-glow);
}
.logo:hover { color: var(--accent-hover); }
.main-nav { display: flex; align-items: center; gap: 0; flex: 1; }
.nav-dropdown { position: relative; }
.nav-trigger {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  background: none;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  cursor: pointer;
  letter-spacing: 0.15em;
  transition: color .2s, border-color .2s, box-shadow .2s;
}
.nav-trigger:hover { color: var(--accent); border-color: var(--accent); box-shadow: 0 0 10px var(--accent-glow); }
.nav-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 12rem;
  margin: 0;
  padding: 0.25rem 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .2s, transform .2s, visibility .2s;
}
.nav-dropdown.open .nav-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-menu a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  color: var(--text);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color .15s, background .15s;
}
.nav-menu a:hover { border-left-color: var(--accent); background: rgba(34, 211, 238, 0.08); }
.header-actions { margin-left: auto; }

.theme-switch {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  position: relative;
  width: 2.5rem;
  height: 1.25rem;
}
.theme-switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.theme-slider {
  width: 100%;
  height: 100%;
  background: var(--border);
  border: 1px solid var(--accent);
  transition: background .2s, box-shadow .2s;
}
.theme-slider::before {
  content: '';
  position: absolute;
  width: 1rem;
  height: 1rem;
  left: 2px;
  top: 2px;
  background: var(--accent);
  transition: transform .2s;
}
.theme-switch input:checked + .theme-slider {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.theme-switch input:checked + .theme-slider::before {
  transform: translateX(1.25rem);
  background: var(--surface);
}

.page { max-width: 72rem; margin: 0 auto; padding: 2rem; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.page-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin: 0;
  color: var(--accent);
  text-shadow: 0 0 10px var(--accent-glow);
}
.btn {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: border-color .2s, box-shadow .2s, color .2s;
}
.btn:hover { border-color: var(--accent); box-shadow: 0 0 10px var(--accent-glow); color: var(--accent); }
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); box-shadow: 0 0 16px var(--accent-glow); color: var(--bg); }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { box-shadow: 0 0 12px var(--danger-glow); }
.btn-icon { background: none; border: none; padding: 0.25rem 0.5rem; font-size: 0.75rem; cursor: pointer; color: var(--text-muted); }
.btn-icon:hover { color: var(--accent); }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--accent);
  background: var(--surface);
  box-shadow: 0 0 20px var(--accent-glow), inset 0 0 0 1px var(--border);
}
.data-table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; }
.data-table th,
.data-table td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  color: var(--accent);
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: rgba(34, 211, 238, 0.06); }
.data-table .actions { white-space: nowrap; }

.dialog {
  border: 2px solid var(--accent);
  padding: 0;
  max-width: 28rem;
  background: var(--surface);
  box-shadow: 0 0 40px var(--accent-glow);
}
.dialog::backdrop { background: rgba(0,0,0,.7); }
.dialog-inner { padding: 1.5rem; }
.dialog-title {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 1rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.dialog-desc { font-size: 0.875rem; color: var(--text-muted); margin: 0 0 1rem; }
.dialog-form label {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}
.dialog-form input,
.dialog-form textarea {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  padding: 0.5rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.dialog-form input:focus,
.dialog-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.dialog-actions { display: flex; gap: 0.5rem; margin-top: 1rem; }
.dialog-actions .btn { flex: 0 0 auto; }
.dialog-danger .dialog-title { color: var(--danger); }
.dialog-danger { border-color: var(--danger); box-shadow: 0 0 40px var(--danger-glow); }