/* ===== CHECKOUT PAGE STYLES ===== */
:root {
    --primary-orange: #f96302;
    --secondary-orange: #ff7b2e;
    --accent-orange: #ff9500;
    --dark-orange: #e55100;
    --light-orange: #ffb74d;
    --gradient-primary: linear-gradient(135deg, #f96302 0%, #ff7b2e 50%, #ff9500 100%);
    --gradient-secondary: linear-gradient(45deg, #ff7b2e 0%, #ffb74d 100%);
    --gradient-dark: linear-gradient(135deg, #e55100 0%, #f96302 100%);
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(249, 99, 2, 0.1);
    --shadow-md: 0 4px 20px rgba(249, 99, 2, 0.15);
    --shadow-lg: 0 8px 30px rgba(249, 99, 2, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== CHECKOUT PROGRESS ===== */
.checkout-progress {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 2rem 0;
    position: relative;
    overflow: hidden;
}

.checkout-progress::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.05;
    z-index: 1;
}

.checkout-progress .container {
    position: relative;
    z-index: 2;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-orange) 0%, var(--primary-orange) 50%, #e9ecef 50%, #e9ecef 100%);
    transform: translateY(-50%);
    z-index: 1;
}

.progress-step {
    position: relative;
    z-index: 2;
    text-align: center;
    background: var(--white);
    padding: 0.5rem;
    border-radius: var(--border-radius);
}

.step-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.step-circle.active {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
    transform: scale(1.1);
}

.step-circle.completed {
    background: var(--gradient-dark);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.step-circle:not(.active):not(.completed) {
    background: #e9ecef;
    color: var(--medium-gray);
}

.step-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin: 0;
}

.step-circle.active + .step-label {
    color: var(--primary-orange);
}

/* ===== CHECKOUT FORM CONTAINER ===== */
.checkout-form-container {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    margin-bottom: 2rem;
}

.checkout-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-primary);
    z-index: 1;
}

.checkout-form-container h2 {
    color: var(--dark-gray);
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
}

.checkout-form-container h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ===== FORM SECTIONS ===== */
.form-section {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: rgba(249, 99, 2, 0.02);
    border-radius: var(--border-radius);
    border: 1px solid rgba(249, 99, 2, 0.1);
    position: relative;
    transition: var(--transition);
}

.form-section:hover {
    background: rgba(249, 99, 2, 0.04);
    border-color: rgba(249, 99, 2, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.section-title {
    color: var(--primary-orange);
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ===== FORM CONTROLS ===== */
.form-label {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-control, .form-select {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 0.2rem rgba(249, 99, 2, 0.15);
    background: var(--white);
}

.form-control.is-valid {
    border-color: #28a745;
}

.form-control.is-invalid {
    border-color: #dc3545;
}

/* ===== SHIPPING OPTIONS ===== */
.shipping-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.shipping-option {
    position: relative;
}

.shipping-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.shipping-label {
    display: block;
    padding: 1.5rem;
    background: var(--white);
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.shipping-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(249, 99, 2, 0.1), transparent);
    transition: left 0.5s ease;
}

.shipping-label:hover {
    border-color: var(--primary-orange);
    background: rgba(249, 99, 2, 0.02);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.shipping-label:hover::before {
    left: 100%;
}

.shipping-option input[type="radio"]:checked + .shipping-label {
    border-color: var(--primary-orange);
    background: linear-gradient(135deg, rgba(249, 99, 2, 0.1) 0%, rgba(255, 123, 46, 0.05) 100%);
    box-shadow: var(--shadow-md);
}

.shipping-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.shipping-details strong {
    color: var(--dark-gray);
    font-size: 1.1rem;
}

.shipping-price {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-orange);
}

/* ===== PAYMENT METHODS ===== */
.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.payment-option {
    position: relative;
}

.payment-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.payment-label {
    display: flex;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: var(--white);
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    color: var(--dark-gray);
    position: relative;
    overflow: hidden;
}

.payment-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(249, 99, 2, 0.1), transparent);
    transition: left 0.5s ease;
}

.payment-label:hover {
    border-color: var(--primary-orange);
    background: rgba(249, 99, 2, 0.02);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.payment-label:hover::before {
    left: 100%;
}

.payment-option input[type="radio"]:checked + .payment-label {
    border-color: var(--primary-orange);
    background: linear-gradient(135deg, rgba(249, 99, 2, 0.1) 0%, rgba(255, 123, 46, 0.05) 100%);
    color: var(--primary-orange);
    box-shadow: var(--shadow-md);
}

.payment-label i {
    font-size: 1.2rem;
    margin-right: 0.75rem;
    color: var(--primary-orange);
}

/* ===== PAYMENT FORM ===== */
.payment-form {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: rgba(249, 99, 2, 0.02);
    border-radius: var(--border-radius);
    border: 1px solid rgba(249, 99, 2, 0.1);
}

.input-group-text {
    background: var(--light-gray);
    border-color: #e9ecef;
    color: var(--primary-orange);
}

/* ===== CHECKOUT ACTIONS ===== */
.checkout-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn-outline-secondary {
    border: 2px solid var(--medium-gray);
    color: var(--medium-gray);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline-secondary:hover {
    background: var(--medium-gray);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.complete-order-btn {
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.complete-order-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.complete-order-btn:hover {
    background: var(--gradient-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.complete-order-btn:hover::before {
    left: 100%;
}

.complete-order-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* ===== ORDER SUMMARY ===== */
.order-summary {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 2rem;
    height: fit-content;
    border: 1px solid rgba(249, 99, 2, 0.1);
}

.order-summary h4 {
    color: var(--dark-gray);
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.order-summary h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

/* ===== ORDER ITEMS ===== */
.order-items {
    margin-bottom: 2rem;
}

.order-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.order-item:hover {
    background: rgba(249, 99, 2, 0.02);
    margin: 0 -1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
}

.order-item:last-child {
    border-bottom: none;
}

.item-image {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--light-gray);
    position: relative;
}

.item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.order-item:hover .item-image img {
    transform: scale(1.05);
}

.item-details {
    flex: 1;
}

.item-details h6 {
    color: var(--dark-gray);
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.item-details p {
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.item-price {
    font-weight: 700;
    color: var(--primary-orange);
    font-size: 1.1rem;
}

/* ===== COUPON SECTION ===== */
.coupon-section {
    padding: 1.5rem;
    background: rgba(249, 99, 2, 0.02);
    border-radius: var(--border-radius);
    border: 1px solid rgba(249, 99, 2, 0.1);
}

.coupon-section .input-group {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.coupon-section .form-control {
    border-right: none;
    border-radius: 0;
}

.coupon-section .btn {
    border-left: none;
    border-radius: 0;
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--primary-orange);
    font-weight: 600;
    transition: var(--transition);
}

.coupon-section .btn:hover {
    background: var(--gradient-dark);
    transform: translateX(-2px);
}

/* ===== ORDER TOTALS ===== */
.order-totals {
    background: rgba(249, 99, 2, 0.02);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(249, 99, 2, 0.1);
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    font-size: 1rem;
}

.total-row:not(.final-total) {
    color: var(--medium-gray);
}

.final-total {
    font-size: 1.3rem;
    color: var(--dark-gray);
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--primary-orange);
}

.total-amount {
    color: var(--primary-orange) !important;
    font-weight: 800;
}

/* ===== SECURITY INFO ===== */
.security-info {
    text-align: center;
    padding: 1.5rem;
    background: rgba(40, 167, 69, 0.05);
    border-radius: var(--border-radius);
    border: 1px solid rgba(40, 167, 69, 0.1);
}

.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: #28a745;
    font-weight: 600;
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.payment-icons i {
    font-size: 1.5rem;
    color: var(--medium-gray);
    transition: var(--transition);
}

.payment-icons i:hover {
    color: var(--primary-orange);
    transform: scale(1.1);
}

/* ===== SUPPORT INFO ===== */
.support-info {
    padding: 1.5rem;
    background: rgba(249, 99, 2, 0.02);
    border-radius: var(--border-radius);
    border: 1px solid rgba(249, 99, 2, 0.1);
    text-align: center;
}

.support-info h6 {
    color: var(--dark-gray);
    font-weight: 700;
    margin-bottom: 1rem;
}

.support-info a {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.support-info a:hover {
    color: var(--dark-orange);
    text-decoration: underline;
}

/* ===== FORM VALIDATION ===== */
.form-check-input:checked {
    background-color: var(--primary-orange);
    border-color: var(--primary-orange);
}

.form-check-input:focus {
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 0.2rem rgba(249, 99, 2, 0.15);
}

.form-check-label {
    color: var(--dark-gray);
    font-weight: 500;
}

.form-check-label a {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 600;
}

.form-check-label a:hover {
    text-decoration: underline;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 992px) {
    .order-summary {
        position: static;
        margin-top: 2rem;
    }
    
    .checkout-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .checkout-actions .btn {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .checkout-form-container,
    .order-summary {
        padding: 1.5rem;
    }
    
    .progress-steps {
        flex-direction: column;
        gap: 1rem;
    }
    
    .progress-steps::before {
        display: none;
    }
    
    .step-circle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .shipping-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .order-item {
        flex-direction: column;
        align-items: flex-start;
        text-align: center;
    }
    
    .item-image {
        width: 100%;
        height: 200px;
        max-width: 200px;
        margin: 0 auto;
    }
}

@media (max-width: 576px) {
    .checkout-form-container,
    .order-summary {
        padding: 1rem;
    }
    
    .form-section {
        padding: 1rem;
    }
    
    .complete-order-btn {
        width: 100%;
        padding: 1rem;
    }
    
    .btn-outline-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.step-circle.active {
    animation: pulse 2s infinite;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.checkout-form-container,
.order-summary {
    animation: slideInUp 0.6s ease-out;
}

/* ===== GLASSMORPHISM EFFECTS ===== */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ===== LOADING STATES ===== */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}