/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-hover: #222632;
  --border: #2a2e3a;
  --text: #e4e4e7;
  --text-muted: #71717a;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --danger: #ef4444;
  --danger-hover: #dc2626;

  --critical: #ef4444;
  --high: #f97316;
  --medium: #eab308;
  --low: #6b7280;
}

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

/* === Nav === */
.nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.5rem;
}

.nav-brand {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
}

.nav-links { display: flex; align-items: center; gap: 1rem; }

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--text); border-bottom-color: var(--primary); }
.nav-user { color: var(--text-muted); font-size: 0.8rem; }
.nav-logout { color: var(--danger); }

/* === Layout === */
.container { max-width: 960px; margin: 0 auto; padding: 1.5rem 1rem; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-header h1 { font-size: 1.5rem; font-weight: 600; }

/* === Filters === */
.filters { display: flex; gap: 0.5rem; }

.filters select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.375rem 0.75rem;
  font-size: 0.8rem;
  cursor: pointer;
}

/* === Cards === */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.card h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.75rem; }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.875rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}

.btn:hover { background: var(--surface-hover); }
.btn-small { padding: 0.25rem 0.625rem; font-size: 0.75rem; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-muted); }
.btn-ghost:hover { color: var(--text); background: var(--surface-hover); }
.btn-large { padding: 0.75rem 2rem; font-size: 1rem; }

/* === Notifications === */
.notification-list { display: flex; flex-direction: column; gap: 0.5rem; }

.notification {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.875rem 1rem;
  border-left: 3px solid var(--low);
  transition: background 0.15s;
}

.notification:hover { background: var(--surface-hover); }
.notification.critical { border-left-color: var(--critical); }
.notification.high { border-left-color: var(--high); }
.notification.medium { border-left-color: var(--medium); }
.notification.low { border-left-color: var(--low); }

.notification.read { opacity: 0.65; }
.notification.archived { opacity: 0.4; }

.notification-header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-wrap: wrap;
}

.priority-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  color: #fff;
}

.priority-badge.critical { background: var(--critical); }
.priority-badge.high { background: var(--high); color: #000; }
.priority-badge.medium { background: var(--medium); color: #000; }
.priority-badge.low { background: var(--low); }

.notification-title { font-weight: 600; font-size: 0.95rem; flex: 1; }

.notification-meta {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.source {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.0625rem 0.375rem;
  border-radius: 4px;
  font-size: 0.7rem;
}

.notification-body {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  white-space: pre-wrap;
}

.notification-actions {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.375rem;
}

/* === Pagination === */
.pagination {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* === Token form === */
.token-form .form-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
  flex-wrap: wrap;
}

.form-group { display: flex; flex-direction: column; gap: 0.25rem; flex: 1; min-width: 160px; }
.form-group label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }
.form-action { flex: 0; }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

.form-group textarea {
  resize: vertical;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* === Token reveal === */
.token-reveal { border-color: var(--primary); }

.warning {
  background: rgba(234, 179, 8, 0.1);
  border: 1px solid rgba(234, 179, 8, 0.3);
  color: #eab308;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.token-value-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.token-value {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.625rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  word-break: break-all;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

.qr-container {
  display: flex;
  justify-content: center;
  padding: 1rem;
  background: #fff;
  border-radius: 8px;
  margin-bottom: 0.75rem;
  max-width: 200px;
}

.qr-container img { width: 100%; height: auto; }

/* === Token table === */
.token-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.token-table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.token-table td {
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.token-table tr:last-child td { border-bottom: none; }

.token-name { font-weight: 500; }

.device-badge {
  font-size: 0.7rem;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  text-transform: capitalize;
}

/* === Empty state === */
.empty-state {
  text-align: center;
  padding: 2rem;
}

.empty-state p:first-child { font-size: 1rem; margin-bottom: 0.25rem; }

/* === Utilities === */
.muted { color: var(--text-muted); font-size: 0.8rem; }

/* === Login page === */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3rem 2.5rem;
}

.login-card h1 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.login-card p { color: var(--text-muted); margin-bottom: 1.5rem; }

/* === Modal === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  width: 100%;
  max-width: 480px;
  margin: 1rem;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.modal-header h2 { font-size: 1.1rem; font-weight: 600; }

.modal .form-group { margin-bottom: 0.75rem; }

.modal .form-row {
  display: flex;
  gap: 0.75rem;
}

.modal .form-row .form-group { flex: 1; min-width: 0; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* === Animations === */
@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.notification-new { animation: slideIn 0.3s ease-out; }

/* === Responsive === */
@media (max-width: 640px) {
  .nav-inner { padding: 0 0.75rem; }
  .container { padding: 1rem 0.75rem; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .token-form .form-row { flex-direction: column; }
  .form-action { flex: 1; }
  .notification-header { gap: 0.375rem; }
  .notification-meta { width: 100%; }
}