:root {
    --brand: #0745B6;
    --brand-dark: #06308A;
    --ink: #111111;
    --muted: #6b7280;
    --border: #e5e7eb;
    --bg: #f4f6fb;
    --ok: #16a34a;
    --warn: #d97706;
    --danger: #dc2626;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    margin: 0;
}

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

.topbar {
    background: #0A0A0A;
    color: #fff;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.topbar .brand { font-weight: 700; font-size: 18px; letter-spacing: .3px; }
.topbar .brand span { color: #6ea1ff; }
.topbar nav a { color: #cfd6e4; margin-left: 18px; font-size: 14px; }
.topbar nav a:hover { color: #fff; text-decoration: none; }

.wrap {
    max-width: 1100px;
    margin: 28px auto;
    padding: 0 20px;
}

.auth-wrap {
    max-width: 400px;
    margin: 8vh auto;
    padding: 0 20px;
}

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 20px;
}

.card h2, .card h3 { margin-top: 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #374151;
}

input[type=text], input[type=email], input[type=password], input[type=date], input[type=file], select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 16px;
    background: #fff;
    font-family: inherit;
}
textarea { resize: vertical; min-height: 80px; }

.btn {
    display: inline-block;
    background: var(--brand);
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: var(--brand-dark); text-decoration: none; color: #fff; }
.btn-secondary { background: #e5e7eb; color: #111; }
.btn-secondary:hover { background: #d1d5db; color: #111; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: none; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-approved { background: #dcfce7; color: #166534; }
.badge-rejected { background: #fee2e2; color: #991b1b; }

.flash {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}
.flash-success { background: #dcfce7; color: #166534; }
.flash-error { background: #fee2e2; color: #991b1b; }

.tabs { display: flex; gap: 8px; margin-bottom: 18px; border-bottom: 1px solid var(--border); }
.tabs a {
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--muted);
    border-bottom: 2px solid transparent;
}
.tabs a.active { color: var(--brand); border-bottom-color: var(--brand); text-decoration: none; }
.tabs a:hover { text-decoration: none; }

.stat-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.stat-box {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 22px;
    flex: 1;
    min-width: 140px;
}
.stat-box .num { font-size: 26px; font-weight: 700; color: var(--brand); }
.stat-box .label { font-size: 13px; color: var(--muted); margin-top: 4px; }

.text-muted { color: var(--muted); }
.small { font-size: 13px; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.empty-state { text-align: center; padding: 40px 20px; color: var(--muted); }