.topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #0c2d57;
    color: #fff;
    padding: 10px 16px;
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}
.topbar .logo {
    font-weight: 700;
    letter-spacing: 0.5px;
}
.topbar .topbar-panels {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex: 1;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.main-nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    padding: 6px 8px;
}
.topbar .userbox {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.nav-toggle {
    display: none;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    padding: 8px 10px;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
}
.nav-toggle:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.card {
    background: #fff;
    border: 1px solid #dfe3e6;
    border-radius: 6px;
    padding: 16px;
    margin-bottom: 16px;
}
body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f5f7f9;
    color: #1f2933;
}
h1, h2, h3 {
    margin-top: 0;
}
.button {
    display: inline-block;
    padding: 10px 14px;
    margin: 6px 0;
    border-radius: 4px;
    background: #0c2d57;
    color: #fff;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
}
.button.secondary {
    background: #4b5563;
}
.button.danger {
    background: #c53030;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}
table th, table td {
    border: 1px solid #e5e7eb;
    padding: 8px;
    text-align: left;
}
table th {
    background: #eef2f7;
}
form .field {
    margin-bottom: 12px;
}
form label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}
form input[type="text"],
form input[type="password"],
form input[type="email"],
form input[type="date"],
form input[type="number"],
form textarea,
form select {
    width: 100%;
    padding: 8px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    box-sizing: border-box;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}
.actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.badge {
    padding: 4px 8px;
    border-radius: 3px;
    background: #e0e7ff;
    color: #1e3a8a;
    font-weight: 600;
}
.footer {
    text-align: center;
    padding: 20px;
    color: #6b7280;
}
.table-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.alert {
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}
.alert.error { background: #ffe5e5; color: #7f1d1d; }
.alert.success { background: #e6ffed; color: #065f46; }
.search-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.search-bar input[type="text"] {
    flex: 1;
}
.search-bar > * {
    min-width: 160px;
    flex: 1;
}
.responsive-table {
    overflow-x: auto;
}
@media (max-width: 768px) {
    .container { padding: 12px; }
    .card { padding: 12px; }
    table th, table td { font-size: 14px; }
    .table-actions { flex-direction: column; align-items: flex-start; }
    .actions { flex-direction: column; align-items: flex-start; }
    .actions h1 { margin-bottom: 4px; }
    .search-bar { flex-direction: column; align-items: stretch; }
    .search-bar > * { width: 100%; }
}
@media (max-width: 960px) {
    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }
    .topbar .brand {
        width: 100%;
        justify-content: space-between;
    }
    .nav-toggle {
        display: inline-flex;
    }
    .topbar .topbar-panels {
        width: 100%;
        display: none;
        flex-direction: column;
        align-items: stretch;
    }
    .topbar .topbar-panels.open,
    .topbar .topbar-panels[data-open="true"] {
        display: flex;
    }
    .main-nav {
        flex-direction: column;
        align-items: flex-start;
    }
    .main-nav a {
        padding: 6px 0;
    }
    .topbar .userbox {
        width: 100%;
        justify-content: flex-start;
    }
}
@media (min-width: 961px) {
    .topbar {
        flex-direction: row;
    }
    .topbar .brand {
        margin-right: 8px;
    }
    .topbar .topbar-panels {
        display: flex;
    }
    .topbar .userbox {
        flex-wrap: nowrap;
    }
}