/* ========================================
   CART COMPONENTS STYLES
   Toast, Modal, Loading States, Side-Cart
   ======================================== */

/* Toast Notifications */
.cart-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    padding: 1rem 1.5rem;
    min-width: 300px;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
    border-left: 4px solid;
}

.cart-toast.show {
    transform: translateX(0);
    opacity: 1;
}

.cart-toast-success {
    border-left-color: #10b981;
}

.cart-toast-error {
    border-left-color: #ef4444;
}

.cart-toast-warning {
    border-left-color: #f59e0b;
}

.cart-toast-info {
    border-left-color: #3b82f6;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toast-content i {
    font-size: 1.25rem;
}

.cart-toast-success .toast-content i {
    color: #10b981;
}

.cart-toast-error .toast-content i {
    color: #ef4444;
}

.cart-toast-warning .toast-content i {
    color: #f59e0b;
}

.cart-toast-info .toast-content i {
    color: #3b82f6;
}

/* ========================================
   BUTTON STATES - Epic 1: Sprint 1.4
   Loading, Success, Error States
======================================== */

/* Botón en estado de carga */
.btn.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading .spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Botón en estado de éxito */
.btn.success {
    background-color: #10b981 !important;
    border-color: #10b981 !important;
    color: white !important;
    animation: buttonSuccessPulse 0.3s ease;
}

@keyframes buttonSuccessPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.btn.success:hover {
    background-color: #059669 !important;
    border-color: #059669 !important;
    transform: translateY(-1px);
}

/* Botón en estado de error */
.btn.error {
    background-color: #ef4444 !important;
    border-color: #ef4444 !important;
    color: white !important;
    animation: buttonErrorShake 0.4s ease;
}

@keyframes buttonErrorShake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

/* Transiciones suaves para cambios de estado */
.btn {
    transition: all 0.3s ease;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Spinner personalizado para botones */
.btn .spinner-border-sm {
    display: inline-block;
    vertical-align: middle;
}

/* Confirmation Modal */
.cart-confirmation-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 16px;
    padding: 2rem;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-content h3 {
    margin: 0 0 1rem 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
}

.modal-content p {
    margin: 0 0 1.5rem 0;
    color: #64748b;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.modal-actions .btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
}

/* Loading Overlay */
.cart-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(4px);
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner {
    text-align: center;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loading-spinner p {
    color: #64748b;
    font-weight: 500;
    margin: 0;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Cart Loading State */
.cart-loading {
    pointer-events: none;
}

.cart-loading .cart-table,
.cart-loading .cart-cards-view {
    opacity: 0.6;
}

/* Responsive Toast */
@media (max-width: 576px) {
    .cart-toast {
        top: 10px;
        right: 10px;
        left: 10px;
        min-width: auto;
        transform: translateY(-100%);
    }
    
    .cart-toast.show {
        transform: translateY(0);
    }
    
    .modal-content {
        padding: 1.5rem;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
}

/* ========================================
   SIDE-CART (Epic 1: Mini-Carrito Dinámico)
   ======================================== */

/* Backdrop */
.side-cart-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.side-cart-backdrop.show {
    opacity: 1;
    visibility: visible;
}

/* Side Cart Container */
.side-cart {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 420px;
    background: white;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    z-index: 1041;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.side-cart.show {
    transform: translateX(0);
}

/* Side Cart Header */
.side-cart-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 2px solid #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--sc-primary, #3462AF) 0%, var(--sc-primary-light, #4A7BC7) 100%);
    color: white;
}

.side-cart-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.side-cart-header .cart-count {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.side-cart-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    transition: transform 0.2s ease;
}

.side-cart-close:hover {
    transform: scale(1.1);
}

/* Side Cart Body */
.side-cart-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.side-cart-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: #64748b;
}

.side-cart-empty i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Side Cart Items */
.side-cart-items {
    list-style: none;
    padding: 0;
    margin: 0;
}

.side-cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid #f1f5f9;
    transition: background 0.2s ease;
}

.side-cart-item:hover {
    background: #f8fafc;
}

.side-cart-item-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    background: #f1f5f9;
    flex-shrink: 0;
}

.side-cart-item-content {
    flex: 1;
    min-width: 0;
}

.side-cart-item-name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: #1e293b;
    margin: 0 0 0.25rem 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.side-cart-item-details {
    font-size: 0.875rem;
    color: #64748b;
    margin: 0 0 0.5rem 0;
}

.side-cart-item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.side-cart-item-quantity {
    font-size: 0.875rem;
    color: #64748b;
}

.side-cart-item-price {
    font-weight: 600;
    color: var(--sc-primary, #3462AF);
    font-size: 0.9375rem;
}

/* Side Cart Footer */
.side-cart-footer {
    padding: 1.5rem;
    border-top: 2px solid #f1f5f9;
    background: #f8fafc;
}

.side-cart-subtotal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.side-cart-subtotal-label {
    font-weight: 600;
    color: #475569;
    font-size: 1rem;
}

.side-cart-subtotal-amount {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--sc-primary, #3462AF);
}

.side-cart-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.side-cart-actions .btn {
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.side-cart-actions .btn-primary {
    background: linear-gradient(135deg, var(--sc-primary, #3462AF) 0%, var(--sc-primary-light, #4A7BC7) 100%);
    border: none;
    color: white;
}

.side-cart-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 98, 175, 0.3);
}

.side-cart-actions .btn-outline-secondary {
    border: 2px solid #cbd5e1;
    color: #475569;
}

.side-cart-actions .btn-outline-secondary:hover {
    background: #f1f5f9;
    border-color: #94a3b8;
}

/* Responsive */
@media (max-width: 576px) {
    .side-cart {
        max-width: 100%;
    }
    
    .side-cart-header {
        padding: 1rem;
    }
    
    .side-cart-body {
        padding: 0.75rem;
    }
    
    .side-cart-footer {
        padding: 1rem;
    }
}

/* Animation for auto-close */
@keyframes slideOutRight {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(100%);
    }
}

.side-cart.closing {
    animation: slideOutRight 0.3s ease forwards;
}