body {
    background-color: #f4f7f6;
    min-height: 100vh;
}

.login-page {
    background: linear-gradient(135deg, #198754 0%, #146c43 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    width: 100%;
    max-width: 420px;
    border: 0;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.login-card .card-header {
    background: #fff;
    border-bottom: 0;
    text-align: center;
    padding-top: 30px;
}

.stat-card {
    border: 0;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.stat-card .icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.table-card {
    border: 0;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.table-card .card-header {
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    font-weight: 600;
}

.photo-thumb {
    width: 48px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid #dee2e6;
}

.photo-preview {
    max-width: 120px;
    max-height: 160px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid #dee2e6;
}

.badge-status-0 { background-color: #ffc107; color: #000; }
.badge-status-1 { background-color: #198754; }
.badge-status-2 { background-color: #dc3545; }

.qrcode-card {
    text-align: center;
}

.qrcode-card img {
    max-width: 200px;
    margin: 10px 0;
}