:root {
    --primary: #228B22;
    --primary-light: #2da82d;
    --bg: #0a0a0a;
    --bg-card: #1a1a1a;
    --bg-sidebar: #111;
    --text: #fff;
    --text-muted: #b0b0b0;
    --border: rgba(255,255,255,0.1);
    --danger: #ff6b6b;
    --warning: #f59e0b;
    --sidebar-width: 260px;
}
* { 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; }
.hidden { display: none !important; }
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 2rem; }
.login-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; max-width: 400px; width: 100%; }
.login-box h1 { color: var(--primary); font-size: 1.5rem; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.login-box .sub, .hint { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; }
.login-box label { display: block; font-size: 0.85rem; color: var(--text-muted); margin: 0.75rem 0 0.25rem; }
.login-box input { width: 100%; padding: 0.75rem; border-radius: 8px; border: 1px solid var(--border); background: rgba(255,255,255,0.05); color: var(--text); }
.login-error { display: none; background: rgba(255,59,48,0.15); border: 1px solid rgba(255,59,48,0.3); border-radius: 8px; padding: 0.75rem; color: var(--danger); font-size: 0.9rem; margin-bottom: 1rem; white-space: pre-wrap; }
.login-error.show { display: block; }
.app { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-width); background: var(--bg-sidebar); border-right: 1px solid var(--border); display: flex; flex-direction: column; flex-shrink: 0; }
.sidebar-brand { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border); font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 0.5rem; }
.user-bar { padding: 0.75rem 1.5rem; font-size: 0.8rem; color: var(--text-muted); border-bottom: 1px solid var(--border); word-break: break-all; }
.sidebar-nav { flex: 1; padding: 1rem 0; overflow-y: auto; }
.nav-section-title { padding: 0.5rem 1.5rem; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }
.nav-link { display: flex; align-items: center; gap: 0.75rem; width: 100%; padding: 0.65rem 1.5rem; border: none; background: none; color: var(--text-muted); font-size: 0.95rem; font-weight: 500; cursor: pointer; text-align: left; }
.nav-link:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.nav-link.active { background: rgba(34,139,34,0.15); color: var(--primary); border-right: 3px solid var(--primary); }
.nav-link i { width: 1.25rem; text-align: center; }
.sidebar-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 0.5rem; }
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.topbar h1 { font-size: 1.25rem; font-weight: 600; }
.topbar-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.content { flex: 1; padding: 1.5rem; overflow-y: auto; }
.btn { padding: 0.5rem 1rem; border-radius: 8px; border: none; cursor: pointer; font-size: 0.9rem; font-weight: 600; display: inline-flex; align-items: center; gap: 0.5rem; text-decoration: none; color: inherit; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); }
.btn-secondary { background: rgba(255,255,255,0.06); color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: rgba(255,59,48,0.2); color: var(--danger); border: 1px solid rgba(255,59,48,0.3); }
.btn-small { padding: 0.35rem 0.65rem; font-size: 0.8rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-icon { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1.1rem; padding: 0.25rem; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; text-align: center; }
.stat .num { font-size: 1.75rem; font-weight: 700; color: var(--primary); }
.stat .lbl { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 1.5rem; overflow: hidden; }
.card-header { padding: 1rem 1.25rem; background: rgba(34,139,34,0.08); border-bottom: 1px solid var(--border); font-weight: 600; display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; flex-wrap: wrap; }
.card-body { padding: 1.25rem; }
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.chart-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 1rem; }
.chart-card h3 { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.75rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 0.65rem 0.85rem; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--primary); font-weight: 600; background: rgba(255,255,255,0.02); }
tr:hover { background: rgba(34,139,34,0.04); }
.search-input { padding: 0.55rem 0.85rem; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-card); color: var(--text); min-width: 220px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.form-group label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.35rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.6rem; border-radius: 8px; border: 1px solid var(--border); background: rgba(255,255,255,0.05); color: var(--text); font-size: 0.9rem; }
.form-group textarea { min-height: 80px; resize: vertical; }
.form-group.full { grid-column: 1 / -1; }
.badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge-pending { background: rgba(245,158,11,0.2); color: var(--warning); }
.badge-approved { background: rgba(34,139,34,0.2); color: var(--primary); }
.badge-rejected { background: rgba(255,59,48,0.2); color: var(--danger); }
.loading { text-align: center; padding: 2rem; color: var(--text-muted); }
.toast { position: fixed; bottom: 1.5rem; right: 1.5rem; padding: 0.85rem 1.25rem; border-radius: 10px; background: var(--bg-card); border: 1px solid var(--primary); z-index: 200; max-width: 360px; box-shadow: 0 8px 32px rgba(0,0,0,0.4); }
.toast.error { border-color: var(--danger); }
.modal { position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.65); }
.modal-panel { position: relative; background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; max-width: 720px; width: 100%; max-height: 90vh; display: flex; flex-direction: column; }
.modal-header { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-body { padding: 1.25rem; overflow-y: auto; flex: 1; }
.modal-footer { padding: 1rem 1.25rem; border-top: 1px solid var(--border); display: flex; gap: 0.5rem; justify-content: flex-end; flex-wrap: wrap; }
.duplicate-list { margin: 0.75rem 0; padding: 0; list-style: none; }
.duplicate-list li { padding: 0.5rem 0.75rem; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 0.5rem; display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
.pagination { display: flex; gap: 0.5rem; align-items: center; margin-top: 1rem; flex-wrap: wrap; }
.skeleton { background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.04) 75%); background-size: 200% 100%; animation: shimmer 1.2s infinite; border-radius: 8px; height: 2rem; }
@keyframes shimmer { to { background-position: -200% 0; } }
@media (max-width: 900px) { .sidebar { min-width: var(--sidebar-width); } }