* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f8;
    color: #1f2933;
}

a {
    color: inherit;
    text-decoration: none;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top left, #172554, #020617 60%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border-radius: 18px;
    padding: 32px;
    box-shadow: 0 24px 60px rgba(0,0,0,.25);
}

.login-card h1 {
    margin: 0 0 8px;
    font-size: 26px;
}

.login-card p {
    color: #6b7280;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 6px;
}

input, select, textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    font-size: 14px;
}

textarea {
    min-height: 90px;
    resize: vertical;
}

button, .btn {
    display: inline-block;
    border: none;
    border-radius: 10px;
    padding: 11px 16px;
    font-weight: 700;
    cursor: pointer;
    background: #b91c1c;
    color: white;
}

.btn-secondary {
    background: #111827;
}

.btn-light {
    background: #e5e7eb;
    color: #111827;
}

.error {
    background: #fee2e2;
    color: #991b1b;
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 16px;
}

.success {
    background: #dcfce7;
    color: #166534;
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 16px;
}

.warning {
    background: #fef3c7;
    color: #92400e;
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 16px;
}

.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: #020617;
    color: #fff;
    padding: 24px 18px;
}

.sidebar h2 {
    font-size: 19px;
    margin: 0 0 6px;
}

.sidebar small {
    color: #94a3b8;
}

.sidebar nav {
    margin-top: 28px;
}

.sidebar a {
    display: block;
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 8px;
    color: #e5e7eb;
}

.sidebar a:hover {
    background: #1e293b;
}

.main {
    flex: 1;
    padding: 28px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
}

.card {
    background: #fff;
    border-radius: 16px;
    padding: 22px;
    box-shadow: 0 10px 28px rgba(15, 23, 42, .07);
    margin-bottom: 20px;
}

.grid {
    display: grid;
    gap: 16px;
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.kpi {
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 28px rgba(15, 23, 42, .07);
}

.kpi strong {
    display: block;
    font-size: 28px;
    margin-top: 8px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

.table th,
.table td {
    border-bottom: 1px solid #e5e7eb;
    padding: 11px 10px;
    text-align: left;
    font-size: 14px;
}

.table th {
    color: #4b5563;
    font-size: 12px;
    text-transform: uppercase;
}

.badge {
    display: inline-block;
    padding: 5px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.badge-ok {
    background: #dcfce7;
    color: #166534;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1d4ed8;
}

.badge-dark {
    background: #111827;
    color: #fff;
}

.badge-neutral {
    background: #e5e7eb;
    color: #374151;
}

@media (max-width: 900px) {
    .layout {
        display: block;
    }

    .sidebar {
        width: 100%;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }
}