body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 30px;
    margin-top: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.item-card {
    cursor: pointer;
}

.card-img-top-container {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.card-img-top {
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.item-card:hover .card-img-top {
    transform: scale(1.05);
}

.badge {
    font-size: 0.7em;
}

.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-code {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn {
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #764ba2, #667eea);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(45deg, #28a745, #20c997);
    border: none;
}

.btn-success:hover {
    background: linear-gradient(45deg, #20c997, #28a745);
    transform: translateY(-2px);
}

.progress {
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% { background-position: 1rem 0; }
    100% { background-position: 0 0; }
}

.alert {
    border-radius: 10px;
    border: none;
}

.modal-content {
    border-radius: 15px;
    border: none;
}

.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.btn-check:checked + .btn-outline-primary {
    background-color: #667eea;
    border-color: #667eea;
    color: white;
}