* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, Arial, sans-serif;
    background: #f5f7fb;
    color: #1f2937;
}

.app-shell {
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    background: #111827;
    padding: 24px 16px;
}

.brand {
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    padding: 0 14px 28px;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.nav a {
    color: #cbd5e1;
    text-decoration: none;
    padding: 12px 14px;
    border-radius: 8px;
    transition: 0.15s;
}

.nav a:hover {
    background: #1f2937;
    color: #fff;
}

.nav a.active {
    background: #2563eb;
    color: #fff;
}

.main {
    margin-left: 250px;
    padding: 28px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.topbar h1 {
    margin: 0 0 4px;
    font-size: 28px;
}

.topbar p {
    margin: 0;
    color: #6b7280;
}

.card {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.btn {
    display: inline-block;
    text-decoration: none;
    border: 0;
    border-radius: 8px;
    padding: 10px 15px;
    cursor: pointer;
    font-size: 14px;
}

.btn-primary {
    background: #2563eb;
    color: #fff;
}

.btn-success {
    background: #16a34a;
    color: #fff;
}

.btn-warning {
    background: #f59e0b;
    color: #111827;
}

.btn-danger {
    background: #dc2626;
    color: #fff;
}

.btn-secondary {
    background: #6b7280;
    color: #fff;
}

.toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
}

.input,
.select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 14px;
    background: #fff;
}

.search-input {
    flex: 1;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 12px;
    color: #6b7280;
    font-size: 12px;
    text-transform: uppercase;
    border-bottom: 1px solid #e5e7eb;
}

td {
    padding: 13px 12px;
    border-bottom: 1px solid #e5e7eb;
}

tr:hover {
    background: #f9fafb;
}

.badge {
    display: inline-block;
    padding: 5px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

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

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full {
    grid-column: 1 / -1;
}

label {
    font-weight: 600;
    font-size: 14px;
}

.actions {
    display: flex;
    gap: 8px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 16px;
    align-items: center;
    margin-top: 20px;
}

.pagination a {
    text-decoration: none;
    color: #2563eb;
}

.muted {
    color: #6b7280;
}

@media (max-width: 900px) {

    .sidebar {
        width: 200px;
    }

    .main {
        margin-left: 200px;
    }

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