:root {
  --blue: #0077B6;
  --blue-dark: #005f8e;
  --orange: #FF6B35;
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #1a1a2e;
  --muted: #6c757d;
  --border: #dee2e6;
  --success: #28a745;
  --danger: #dc3545;
  --warning: #ffc107;
  --radius: 8px;
}

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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

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

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

.sidebar {
  width: 240px;
  background: var(--text);
  color: #fff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar .logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar .logo h2 { font-size: 15px; color: var(--orange); line-height: 1.3; }
.sidebar .logo p { font-size: 11px; color: rgba(255,255,255,0.5); margin-top: 2px; }

.sidebar nav { flex: 1; padding: 16px 0; }
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  transition: background 0.15s, color 0.15s;
}
.sidebar nav a:hover, .sidebar nav a.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
  text-decoration: none;
}
.sidebar nav a .ico { font-size: 18px; width: 22px; text-align: center; }

.sidebar .sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.sidebar .sidebar-footer strong { color: rgba(255,255,255,0.85); display: block; margin-bottom: 4px; }
.sidebar .sidebar-footer a { color: rgba(255,255,255,0.45); font-size: 12px; }
.sidebar .sidebar-footer a:hover { color: #fff; }

.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar h1 { font-size: 18px; font-weight: 600; }
.topbar .topbar-right { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--muted); }

.content { padding: 28px; flex: 1; overflow-y: auto; }

/* ── Cards ── */
.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 24px;
}
.card-title { font-size: 16px; font-weight: 600; margin-bottom: 18px; color: var(--text); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  text-align: center;
}
.stat-card .num { font-size: 32px; font-weight: 700; color: var(--blue); }
.stat-card .label { font-size: 12px; color: var(--muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ── Tables ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
  background: var(--bg);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
tbody td { padding: 12px 14px; border-bottom: 1px solid #f0f0f0; vertical-align: middle; }
tbody tr:hover td { background: #fafbfc; }
tbody tr:last-child td { border-bottom: none; }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-pending   { background: #fff3cd; color: #856404; }
.badge-approved  { background: #d4edda; color: #155724; }
.badge-assigned  { background: #cce5ff; color: #004085; }
.badge-in_progress { background: #e2d9f3; color: #4a235a; }
.badge-completed { background: #d4edda; color: #155724; }
.badge-cancelled { background: #f8d7da; color: #721c24; }

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s;
}
.btn:hover { opacity: 0.88; text-decoration: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-orange  { background: var(--orange); color: #fff; }
.btn-danger  { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-outline { background: transparent; border: 1px solid var(--blue); color: var(--blue); }

/* ── Forms ── */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,119,182,0.1);
}
.form-group textarea { min-height: 100px; resize: vertical; }
.form-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Alerts ── */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 18px; font-size: 14px; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-danger  { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-info    { background: #cce5ff; color: #004085; border: 1px solid #b8daff; }

/* ── Auth pages ── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.auth-box {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 40px;
  width: 100%;
  max-width: 420px;
}
.auth-box .auth-logo { text-align: center; margin-bottom: 28px; }
.auth-box .auth-logo h2 { color: var(--blue); font-size: 20px; }
.auth-box .auth-logo p { color: var(--muted); font-size: 13px; margin-top: 4px; }
.auth-box h3 { font-size: 18px; margin-bottom: 24px; }
.auth-footer { text-align: center; margin-top: 20px; font-size: 13px; color: var(--muted); }

/* ── Job detail ── */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.detail-row { display: flex; flex-direction: column; }
.detail-row span:first-child { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); margin-bottom: 4px; }
.detail-row span:last-child { font-weight: 500; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .content { padding: 16px; }
}