:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface2: #243044;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9bb4;
  --primary: #3b82f6;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, 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 { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.brand a { font-weight: 700; font-size: 1.15rem; color: var(--text); }
.nav { display: flex; gap: 0.75rem; flex-wrap: wrap; flex: 1; }
.nav a { color: var(--muted); font-size: 0.9rem; }
.nav a:hover { color: var(--text); }
.user-area { display: flex; align-items: center; gap: 0.75rem; }
.user-name { font-size: 0.85rem; color: var(--muted); }

.container { max-width: 1100px; margin: 0 auto; padding: 1.25rem; }
.footer { text-align: center; padding: 1.5rem; color: var(--muted); font-size: 0.8rem; }

h1, h2, h3 { margin-bottom: 0.75rem; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--border); text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #111; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.8rem; }
.btn-group { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.3rem; font-size: 0.85rem; color: var(--muted); }
.form-control {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}
.form-control:focus { outline: none; border-color: var(--primary); }
textarea.form-control { min-height: 90px; resize: vertical; }
select.form-control { appearance: auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 0.6rem 0.75rem; 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: rgba(255,255,255,0.03); }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-secondary { background: #475569; color: #fff; }
.badge-info { background: #0e7490; color: #fff; }
.badge-primary { background: #1d4ed8; color: #fff; }
.badge-warning { background: #b45309; color: #fff; }
.badge-success { background: #15803d; color: #fff; }
.badge-danger { background: #b91c1c; color: #fff; }

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.alert-success { background: rgba(34,197,94,0.15); border: 1px solid var(--success); color: #86efac; }
.alert-error, .alert-danger { background: rgba(239,68,68,0.15); border: 1px solid var(--danger); color: #fca5a5; }
.alert-info { background: rgba(6,182,212,0.15); border: 1px solid var(--info); color: #67e8f9; }
.alert-warning { background: rgba(245,158,11,0.15); border: 1px solid var(--warning); color: #fcd34d; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  text-align: center;
}
.stat-card .num { font-size: 1.75rem; font-weight: 700; }
.stat-card .label { font-size: 0.8rem; color: var(--muted); }

.message-list { list-style: none; }
.message-list li {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.message-list .meta { font-size: 0.75rem; color: var(--muted); margin-bottom: 0.25rem; }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.75rem;
}
.photo-grid img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.login-box {
  max-width: 400px;
  margin: 4rem auto;
}

.empty { color: var(--muted); padding: 1.5rem; text-align: center; }

.approval-box {
  border: 2px solid var(--warning);
  background: rgba(245,158,11,0.08);
  border-radius: 10px;
  padding: 1.25rem;
  margin: 1rem 0;
}
.approval-box h3 { color: var(--warning); margin-bottom: 0.5rem; }

/* Nav icons */
.nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.nav-icon {
  font-size: 1rem;
  line-height: 1;
  opacity: 0.9;
}