/* Vigil License Server — Admin UI */
:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-hover: #222633;
  --border: #2d3141;
  --text: #e2e8f0;
  --text-muted: #8892a4;
  --primary: #6c7cf7;
  --primary-hover: #8b99f9;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #ef4444;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* Layout */
.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  flex-shrink: 0;
}

.sidebar-brand {
  padding: 0 20px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.sidebar-brand h1 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}
.sidebar-brand small {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sidebar-nav { list-style: none; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  color: var(--text);
  background: var(--surface-hover);
}
.sidebar-nav a.active { border-right: 3px solid var(--primary); }

.sidebar-footer {
  position: absolute;
  bottom: 0;
  width: 240px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}
.sidebar-footer a { color: var(--text-muted); font-size: 0.85rem; }
.sidebar-footer a:hover { color: var(--danger); }

.main {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
  min-width: 0;
}

/* Page header */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header h2 { font-size: 1.4rem; font-weight: 700; }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

/* Stat cards row */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.stat-card .label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .value { font-size: 1.8rem; font-weight: 700; margin-top: 4px; }
.stat-card .value.green { color: var(--success); }
.stat-card .value.amber { color: var(--warning); }
.stat-card .value.red { color: var(--danger); }

/* Tables */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
thead th {
  text-align: left;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tbody tr:hover { background: var(--surface-hover); }
tbody tr:last-child td { border-bottom: none; }

/* Badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-active { background: rgba(22,163,74,0.15); color: var(--success); }
.badge-inactive { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-expired { background: rgba(217,119,6,0.15); color: var(--warning); }
.badge-ok { background: rgba(22,163,74,0.15); color: var(--success); }
.badge-exceeded { background: rgba(217,119,6,0.15); color: var(--warning); }
.badge-invalid { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-monthly { background: rgba(108,124,247,0.15); color: var(--primary); }
.badge-annual { background: rgba(108,124,247,0.25); color: var(--primary-hover); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-secondary { background: var(--surface-hover); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); color: var(--text); }
.btn-danger { background: rgba(239,68,68,0.15); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }
.btn-danger:hover { background: rgba(239,68,68,0.25); }
.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-icon { padding: 6px; border-radius: 6px; }

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid .full { grid-column: 1 / -1; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-group input, .form-group select, .form-group textarea {
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; }

/* Key display */
.key-display {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  word-break: break-all;
}
.key-display .copy-btn {
  flex-shrink: 0;
  background: var(--surface-hover);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
}
.key-display .copy-btn:hover { color: var(--text); }

/* Detail grid */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.detail-item .label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.detail-item .value { font-size: 1rem; font-weight: 500; }

/* Flash messages */
.flash {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 0.9rem;
  font-weight: 500;
}
.flash-success { background: rgba(22,163,74,0.15); color: var(--success); border: 1px solid rgba(22,163,74,0.3); }
.flash-error { background: rgba(239,68,68,0.15); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }

/* Modal / Confirm dialog */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  min-width: 360px;
  max-width: 480px;
}
.modal h3 { margin-bottom: 12px; }
.modal p { color: var(--text-muted); margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* Login */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}
.login-card h1 { text-align: center; font-size: 1.4rem; margin-bottom: 4px; color: var(--primary); }
.login-card .subtitle { text-align: center; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 28px; }
.login-card .form-group { margin-bottom: 16px; }
.login-card .btn { width: 100%; justify-content: center; padding: 12px; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}
.empty-state h3 { color: var(--text); margin-bottom: 8px; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { padding: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
}