:root {
  --bg: #0a0a0a;
  --fg: #e0e0e0;
  --primary: #00ff00;
  --primary-dim: rgba(0,255,0,0.1);
  --border: rgba(0,255,0,0.25);
  --muted: #666;
  --card: rgba(0,255,0,0.03);
  --danger: #ff4444;
  --font-mono: 'Consolas','Monaco','Courier New','Microsoft YaHei',monospace;
}
* { margin:0; padding:0; box-sizing:border-box; }
html,body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* CRT Overlay */
.crt-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 9999;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,0.08) 0px, rgba(0,0,0,0.08) 1px, transparent 1px, transparent 3px);
  box-shadow: inset 0 0 120px rgba(0,0,0,0.5);
}
.crt-overlay::before {
  content:''; position:absolute; inset:0;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.4) 100%);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,255,0,0.25); border-radius: 3px; }

/* Glow */
.glow { text-shadow: 0 0 8px rgba(0,255,0,0.6), 0 0 16px rgba(0,255,0,0.3); }
.glow-border { box-shadow: 0 0 4px rgba(0,255,0,0.15); }

/* Layout */
#matrix-canvas { position: fixed; inset: 0; z-index: 0; opacity: 0.35; pointer-events: none; }
#app { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; padding: 24px 16px; min-height: calc(100vh - 120px); }

/* Nav */
#main-nav { position: sticky; top: 0; z-index: 100; background: rgba(10,10,10,0.85); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); padding: 0 16px; }
.nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 56px; }
.nav-logo { color: var(--primary); font-weight: 700; font-size: 16px; text-decoration: none; letter-spacing: 1px; }
.nav-links { display: flex; gap: 20px; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 13px; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
#mobile-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--primary); padding: 4px 8px; cursor: pointer; }
#mobile-menu { display: none; position: fixed; top: 56px; left: 0; right: 0; bottom: 0; background: rgba(10,10,10,0.95); z-index: 99; padding: 20px; flex-direction: column; gap: 16px; }
#mobile-menu a { color: var(--fg); text-decoration: none; font-size: 16px; padding: 12px; border-bottom: 1px solid var(--border); }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 6px; transition: border-color 0.2s; }
.card:hover { border-color: rgba(0,255,0,0.45); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border-radius: 4px; border: 1px solid transparent;
  font-family: var(--font-mono); font-size: 13px; cursor: pointer; transition: all 0.2s; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #000; font-weight: 600; }
.btn-primary:hover { opacity: 0.85; }
.btn-outline { border-color: rgba(0,255,0,0.3); color: var(--primary); background: transparent; }
.btn-outline:hover { background: rgba(0,255,0,0.08); }
.btn-danger { background: #cc0000; color: #fff; }
.btn-danger:hover { background: #aa0000; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-ghost { background: transparent; border: none; color: var(--muted); padding: 4px; }
.btn-ghost:hover { color: var(--primary); }

/* Forms */
input, textarea, select {
  width: 100%; padding: 8px 12px; background: rgba(0,255,0,0.03);
  border: 1px solid var(--border); border-radius: 4px;
  color: var(--fg); font-family: var(--font-mono); font-size: 13px;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); }
input::placeholder { color: var(--muted); }
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.form-error { color: var(--danger); font-size: 12px; margin-top: 4px; }
.input-error { border-color: var(--danger) !important; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--primary); font-size: 12px; }
tr:hover { background: rgba(0,255,0,0.03); }

/* Toast */
#toast-container { position: fixed; top: 16px; right: 16px; z-index: 10000; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 10px 16px; border-radius: 4px; border: 1px solid var(--border);
  background: rgba(10,10,10,0.95); font-size: 13px; min-width: 200px;
  animation: slideIn 0.3s ease;
}
.toast-success { border-color: rgba(0,255,0,0.4); color: var(--primary); }
.toast-error { border-color: rgba(255,68,68,0.4); color: #ff8888; }
.toast-info { border-color: rgba(0,180,255,0.4); color: #88ccff; }
@keyframes slideIn { from { transform: translateX(120px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; max-width: 600px; width: 100%; max-height: 90vh; overflow-y: auto; }
.modal-header { padding: 16px; border-bottom: 1px solid var(--border); }
.modal-body { padding: 16px; }
.modal-footer { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

/* Admin */
.admin-layout { display: flex; gap: 16px; }
.admin-sidebar { width: 200px; flex-shrink: 0; border-right: 1px solid var(--border); padding-right: 16px; }
.admin-sidebar a { display: block; padding: 10px 12px; color: var(--muted); text-decoration: none; font-size: 13px; border-radius: 4px; margin-bottom: 2px; }
.admin-sidebar a:hover, .admin-sidebar a.active { color: var(--primary); background: rgba(0,255,0,0.05); }
.admin-content { flex: 1; min-width: 0; }

/* Stats */
.stat-card { padding: 16px; border: 1px solid var(--border); border-radius: 6px; text-align: center; }
.stat-value { font-size: 28px; color: var(--primary); font-weight: 700; }
.stat-label { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* Tags */
.tag { display: inline-block; padding: 2px 8px; background: rgba(0,255,0,0.08); color: rgba(0,255,0,0.6); border-radius: 3px; font-size: 11px; margin-right: 4px; }
.tag-source { background: rgba(0,255,0,0.15); color: var(--primary); border: 1px solid rgba(0,255,0,0.25); }

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.4s ease; }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  #mobile-toggle { display: block; }
  #mobile-menu.open { display: flex; }
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); padding-right: 0; padding-bottom: 12px; margin-bottom: 12px; }
  .hide-mobile { display: none; }
  .grid-3 { grid-template-columns: 1fr !important; }
  .grid-5 { grid-template-columns: repeat(2, 1fr) !important; }
  .admin-table-wrap { overflow-x: auto; }
}
@media (min-width: 769px) {
  #mobile-menu { display: none !important; }
}