body {
    background-color: #f4f7fb;
    color: #1f2937;
}

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

.sidebar {
    width: 280px;
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    color: #e2e8f0;
}

.sidebar .nav-link {
    color: #cbd5e1;
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    margin-bottom: 0.35rem;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.content-wrapper {
    flex: 1;
    min-width: 0;
}

.topbar {
    border-bottom: 1px solid #dbe3ef;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.card-stat {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.table thead th {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.page-title {
    font-weight: 700;
}

.filter-card,
.form-card,
.detail-card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.detail-list dt {
    color: #64748b;
    font-weight: 600;
}

.detail-list dd {
    margin-bottom: 1rem;
}

.login-shell {
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(13, 110, 253, 0.15), transparent 25%),
        radial-gradient(circle at bottom left, rgba(25, 135, 84, 0.15), transparent 30%),
        #eef3f9;
}

.login-card {
    border: none;
    border-radius: 1.25rem;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

.table-actions {
    white-space: nowrap;
}

.image-preview {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 1rem;
    border: 1px solid #dbe3ef;
    background: #fff;
}

.calendar-legend .badge {
    min-width: 88px;
}

.fc .fc-toolbar-title {
    font-size: 1.25rem;
}

.focus-ring:focus {
    outline: 3px solid rgba(13, 110, 253, 0.25);
    outline-offset: 2px;
}

@media (max-width: 991.98px) {
    .sidebar {
        width: 100%;
    }
}