:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface2: #243044;
  --border: #2d3f56;
  --text: #e8edf4;
  --muted: #8fa3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 10px;
}

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

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

a { color: var(--primary); }

/* Login */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 400px;
}

.login-card h1 {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.login-card .sub {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* Layout */
.app { display: none; min-height: 100vh; }
.app.active { display: flex; }

.sidebar {
  width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  flex-shrink: 0;
}

.sidebar .brand {
  padding: 0 20px 20px;
  font-weight: 700;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.sidebar .brand small {
  display: block;
  color: var(--muted);
  font-weight: 400;
  font-size: 0.75rem;
  margin-top: 4px;
}

.nav-item {
  display: block;
  padding: 10px 20px;
  color: var(--muted);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-size: 0.95rem;
}

.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: var(--surface2); color: var(--primary); font-weight: 600; }

.master-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.master-tab {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
}

.master-tab:hover { color: var(--text); border-color: var(--primary); }
.master-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}

.panel-hint {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 16px;
  line-height: 1.5;
}

.master-panel.hidden { display: none; }

.actions-cell {
  white-space: nowrap;
}

.actions-cell .btn {
  margin: 2px 0;
}

.main {
  flex: 1;
  padding: 24px;
  overflow: auto;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.header h2 { font-size: 1.35rem; }

.user-badge {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Cards & stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.stat-card .label { color: var(--muted); font-size: 0.8rem; }
.stat-card .value { font-size: 1.5rem; font-weight: 700; margin-top: 4px; }

/* Table */
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }
tr:hover td { background: var(--surface2); }

/* Badges */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-pending { background: #1e3a5f; color: #93c5fd; }
.badge-flagged { background: #422006; color: #fcd34d; }
.badge-approved { background: #14532d; color: #86efac; }
.badge-rejected { background: #450a0a; color: #fca5a5; }

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 4px;
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
}

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

.btn {
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #1a1200; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-sm { padding: 6px 10px; font-size: 0.8rem; }

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: end;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.panel h3 {
  font-size: 1rem;
  margin-bottom: 16px;
}

.hidden { display: none !important; }

.msg {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.msg-error { background: #450a0a; color: #fca5a5; }
.msg-success { background: #14532d; color: #86efac; }

/* Modal */
.modal-bg {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
}

.modal h3 { margin-bottom: 16px; }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.photo-grid img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.detail-row span:first-child { color: var(--muted); }

@media (max-width: 768px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); }
}