:root {
  --bg: #07080f;
  --bg2: #0d0f1a;
  --surface: #111422;
  --surface2: #1a1d2e;
  --border: rgba(0,255,180,0.15);
  --accent: #00ffb2;
  --accent2: #7c6bff;
  --accent3: #ff6b6b;
  --text: #e8eaf0;
  --muted: #5a5f7a;
  --font-display: 'Syne', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  min-height: 100vh;
}

/* Login */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 48px;
  width: 100%;
  max-width: 420px;
}
.login-box h1 {
  font-family: var(--font-display);
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--accent);
}
.login-box p {
  color: var(--muted);
  margin-bottom: 32px;
  font-size: 12px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
}
.form-group textarea {
  min-height: 100px;
  resize: vertical;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 12px 24px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all .2s;
}
.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover { background: #fff; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger {
  background: rgba(255,107,107,0.1);
  border: 1px solid rgba(255,107,107,0.3);
  color: var(--accent3);
}
.btn-danger:hover { background: rgba(255,107,107,0.2); }
.btn-sm { padding: 8px 16px; font-size: 11px; }

.alert {
  padding: 12px 16px;
  margin-bottom: 20px;
  border-left: 3px solid var(--accent);
  background: rgba(0,255,178,0.05);
  font-size: 12px;
}
.alert-error {
  border-color: var(--accent3);
  background: rgba(255,107,107,0.05);
}

/* Dashboard Layout */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}
.sidebar-sub {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 40px;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.5px;
  border-radius: 6px;
  transition: all .2s;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(0,255,178,0.08);
  color: var(--accent);
}
.sidebar-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
}
.sidebar-footer a {
  color: var(--accent3);
  text-decoration: none;
}

.main {
  padding: 40px;
  overflow-y: auto;
}
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.page-header h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
}
.page-header p {
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
}
.stat-card h4 {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.stat-card .num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.data-table th,
.data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.data-table th {
  color: var(--muted);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 11px;
  background: var(--surface);
}
.data-table tr:hover td {
  background: rgba(0,255,178,0.03);
}
.data-table td {
  color: var(--text);
}
.data-table .muted {
  color: var(--muted);
}
.data-table .actions {
  display: flex;
  gap: 8px;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card-item {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
  transition: all .2s;
}
.card-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.card-item h4 {
  font-family: var(--font-display);
  font-size: 16px;
  margin-bottom: 8px;
}
.card-item p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  margin-bottom: 16px;
}
.card-item .meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.card-item .meta span {
  font-size: 10px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.card-item .actions {
  display: flex;
  gap: 8px;
}

/* Form Layout */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-grid .full { grid-column: 1 / -1; }

.form-section {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 32px;
  margin-bottom: 24px;
}
.form-section h3 {
  font-family: var(--font-display);
  font-size: 16px;
  margin-bottom: 24px;
  color: var(--accent);
}

/* Toggle Switch */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.toggle-wrap input[type="checkbox"] {
  width: 40px;
  height: 20px;
  appearance: none;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px;
  position: relative;
  cursor: pointer;
  outline: none;
}
.toggle-wrap input[type="checkbox"]::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--muted);
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: all .2s;
}
.toggle-wrap input[type="checkbox"]:checked {
  border-color: var(--accent);
}
.toggle-wrap input[type="checkbox"]:checked::after {
  background: var(--accent);
  left: 22px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
}
.modal h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 24px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--muted);
}
.empty-state h3 {
  font-family: var(--font-display);
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--text);
}

/* Responsive */
@media (max-width: 1024px) {
  .admin-layout { grid-template-columns: 1fr; }
  .sidebar {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 20px;
  }
  .sidebar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }
  .sidebar-footer { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid { grid-template-columns: 1fr; }
  .main { padding: 24px; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: 1fr; }
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .data-table {
    display: block;
    overflow-x: auto;
  }
}