:root {
    --kvc-primary: #2c3e50;
    --kvc-secondary: #e74c3c;
    --kvc-accent: #3498db;
    --kvc-success: #27ae60;
    --kvc-warning: #f39c12;
    --kvc-light: #ecf0f1;
    --kvc-dark: #1a252f;
    --kvc-gold: #f1c40f;
}

.kvc-hero {
    background: linear-gradient(135deg, var(--kvc-primary) 0%, var(--kvc-dark) 100%);
    color: #fff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.kvc-hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
}

.kvc-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.kvc-hero .lead {
    font-size: 1.3rem;
    opacity: 0.9;
}

.kvc-product-card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.kvc-product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}

.kvc-product-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 5rem;
}

.kvc-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--kvc-secondary);
}

.kvc-price .currency {
    font-size: 1.2rem;
    vertical-align: super;
}

.kvc-feature-list {
    list-style: none;
    padding: 0;
}

.kvc-feature-list li {
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.kvc-feature-list li:last-child {
    border-bottom: none;
}

.kvc-feature-list li i {
    color: var(--kvc-success);
    width: 20px;
    text-align: center;
}

.kvc-btn-primary {
    background: var(--kvc-secondary);
    border: none;
    border-radius: 50px;
    padding: 14px 40px;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.kvc-btn-primary:hover {
    background: #c0392b;
    transform: scale(1.02);
    color: #fff;
}

.kvc-btn-secondary {
    background: var(--kvc-accent);
    border: none;
    border-radius: 50px;
    padding: 12px 32px;
    font-weight: 600;
    color: #fff;
    transition: all 0.3s ease;
}

.kvc-btn-secondary:hover {
    background: #2980b9;
    color: #fff;
}

.kvc-checkout-section {
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    margin-bottom: 24px;
}

.kvc-checkout-section h4 {
    color: var(--kvc-primary);
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--kvc-light);
}

.kvc-order-summary {
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    border: 2px solid var(--kvc-light);
    border-radius: 16px;
    padding: 28px;
    position: sticky;
    top: 100px;
}

.kvc-order-summary .summary-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.kvc-order-summary .summary-row.total {
    border-bottom: none;
    border-top: 3px solid var(--kvc-primary);
    margin-top: 8px;
    padding-top: 16px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--kvc-primary);
}

.kvc-quantity-control {
    display: flex;
    align-items: center;
    gap: 0;
    border: 2px solid var(--kvc-light);
    border-radius: 50px;
    overflow: hidden;
    width: fit-content;
}

.kvc-quantity-control button {
    background: var(--kvc-light);
    border: none;
    width: 48px;
    height: 48px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--kvc-primary);
    cursor: pointer;
    transition: background 0.2s;
}

.kvc-quantity-control button:hover {
    background: var(--kvc-accent);
    color: #fff;
}

.kvc-quantity-control input {
    border: none;
    width: 60px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
    background: transparent;
}

.kvc-quantity-control input:focus {
    outline: none;
}

.kvc-found-page {
    background: linear-gradient(135deg, var(--kvc-success) 0%, #1e8449 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.kvc-found-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    max-width: 560px;
    width: 100%;
    color: #333;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.kvc-found-card h2 {
    color: var(--kvc-primary);
}

.kvc-trust-badges {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.kvc-trust-badge {
    text-align: center;
    opacity: 0.7;
}

.kvc-trust-badge i {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
    color: var(--kvc-accent);
}

.kvc-how-it-works {
    padding: 80px 0;
    background: var(--kvc-light);
}

.kvc-how-it-works .step {
    text-align: center;
    padding: 24px;
}

.kvc-how-it-works .step-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--kvc-accent);
    color: #fff;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.kvc-how-it-works .step h5 {
    font-weight: 700;
    color: var(--kvc-primary);
}

.kvc-testimonial {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    margin-bottom: 20px;
}

.kvc-testimonial .stars {
    color: var(--kvc-gold);
}

.kvc-footer-shop {
    background: var(--kvc-dark);
    color: rgba(255,255,255,0.7);
    padding: 40px 0;
}

.kvc-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.kvc-loading-overlay .spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: kvc-spin 0.8s linear infinite;
}

@keyframes kvc-spin {
    to { transform: rotate(360deg); }
}

.kvc-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    min-width: 300px;
    border-radius: 12px;
    padding: 16px 24px;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    animation: kvc-slideIn 0.3s ease;
}

.kvc-notification.success {
    background: var(--kvc-success);
}

.kvc-notification.error {
    background: var(--kvc-secondary);
}

.kvc-notification.info {
    background: var(--kvc-accent);
}

@keyframes kvc-slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.form-control:focus, .form-select:focus {
    border-color: var(--kvc-accent);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.kvc-payment-btn {
    background: linear-gradient(135deg, var(--kvc-success) 0%, #1e8449 100%);
    border: none;
    border-radius: 50px;
    padding: 18px 48px;
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
    width: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.kvc-payment-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 30px rgba(39, 174, 96, 0.4);
    color: #fff;
}

.kvc-payment-btn:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.kvc-admin-stat {
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    color: #fff;
    margin-bottom: 16px;
}

.kvc-admin-stat h3 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0;
}

.kvc-admin-stat p {
    margin: 4px 0 0;
    opacity: 0.9;
    font-size: 0.9rem;
}

.kvc-status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kvc-status-paid { background: #d4edda; color: #155724; }
.kvc-status-preparing { background: #fff3cd; color: #856404; }
.kvc-status-shipped { background: #cce5ff; color: #004085; }
.kvc-status-sent { background: #d1ecf1; color: #0c5460; }
.kvc-status-finished { background: #c3e6cb; color: #155724; }
.kvc-status-returned { background: #f5c6cb; color: #721c24; }
.kvc-status-issue { background: #f8d7da; color: #721c24; }
.kvc-status-archived { background: #e2e3e5; color: #383d41; }