/* ==============================
   VARIABLES ET FONDAMENTAUX
   ============================== */
:root {
    /* Palette principale ORANGE */
    --primary-panier-mc: #f77300;
    --secondary-panier-mc: #FF8C42;
    --dark-panier-mc: #2A2D34;
    --light-panier-mc: #FFF9F5;
    --accent-panier-mc: #FFB347;
    --gray-panier-mc: #F0E6E0;
    --success-panier-mc: #38B000;
    --danger-panier-mc: #E63946;
    --warning-panier-mc: #FF9F1C;
    --info-panier-mc: #4361EE;
    
    /* Couleurs spécifiques multivendeur - version orange */
    --vendeur-primary: #FF7F11;
    --vendeur-secondary: #FF5A00;
    --vendeur-accent: #FF9E00;
    
    /* Effets */
    --shadow-panier-mc: 0 10px 30px rgba(255, 107, 53, 0.1);
    --shadow-hover: 0 15px 35px rgba(255, 107, 53, 0.15);
    --transition-panier-mc: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #F5FAFF;
    color: var(--dark-panier-mc);
    line-height: 1.6;
    min-height: 100vh;
}

/* ==============================
   CONTENEUR PRINCIPAL
   ============================== */
.cart-container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

.cart-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-panier-mc);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.cart-header h1 {
    font-size: 2.8rem;
    background: linear-gradient(135deg, var(--primary-panier-mc), var(--secondary-panier-mc));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
    font-weight: 800;
    position: relative;
    display: inline-block;
}

.cart-header h1:after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 5px;
    background: linear-gradient(to right, var(--primary-panier-mc), var(--secondary-panier-mc));
    border-radius: 3px;
}

.cart-header p {
    color: #666;
    font-size: 1.2rem;
    margin-top: 1.5rem;
}

/* Indicateur de synchronisation panier */
.panier-sync-notice {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #38B000, #2D9100);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(56, 176, 0, 0.3);
    animation: pulse 2s infinite;
}

.sync-badge {
    background: linear-gradient(135deg, #38B000, #2D9100);
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.sync-info .sync-status {
    color: #38B000;
    font-weight: 600;
}

/* ==============================
   NOTIFICATION MULTIVENDEUR
   ============================== */
.multivendeur-notice {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--vendeur-primary), var(--vendeur-secondary));
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(255, 127, 17, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

/* ==============================
   GRILLE PRINCIPALE
   ============================== */
.cart-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2.5rem;
}

@media (max-width: 992px) {
    .cart-grid {
        grid-template-columns: 1fr;
    }
}

/* ==============================
   CARTES
   ============================== */
.cart-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-panier-mc);
    padding: 2.5rem;
    transition: var(--transition-panier-mc);
    border: 1px solid rgba(255, 107, 53, 0.15);
    backdrop-filter: blur(10px);
}

.cart-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255, 107, 53, 0.3);
}

.card-title {
    font-size: 1.6rem;
    margin-bottom: 2rem;
    color: var(--dark-panier-mc);
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(255, 107, 53, 0.2);
}

.card-title i {
    color: var(--primary-panier-mc);
    background: rgba(255, 107, 53, 0.1);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.item-count {
    font-size: 0.9rem;
    background: var(--gray-panier-mc);
    color: var(--dark-panier-mc);
    padding: 4px 12px;
    border-radius: 20px;
    margin-left: auto;
}

/* ==============================
   SECTIONS VENDEUR
   ============================== */
.vendeur-section {
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: white;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: var(--transition-panier-mc);
}

.vendeur-header {
    background: linear-gradient(135deg, var(--vendeur-primary) 0%, var(--vendeur-secondary) 100%);
    color: white;
    padding: 1.2rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.vendeur-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.vendeur-name {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.vendeur-name i {
    font-size: 1.2rem;
}

.vendeur-code {
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 14px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 500;
    backdrop-filter: blur(5px);
}

.vendeur-stats {
    display: flex;
    align-items: center;
    gap: 15px;
}

.vendeur-item-count {
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.15);
    padding: 6px 14px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.vendeur-subtotal {
    padding: 1.2rem 1.5rem;
    background: white;
    border-top: 1px solid rgba(255, 107, 53, 0.1);
    text-align: right;
    font-weight: 700;
    color: var(--dark-panier-mc);
    font-size: 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.vendeur-subtotal span:first-child {
    color: var(--primary-panier-mc);
    font-weight: 600;
}

/* ==============================
   ARTICLES DU PANIER
   ============================== */
.cart-items {
    display: grid;
    gap: 1.5rem;
}

.vendeur-items {
    padding: 1.5rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: 1.5rem;
    padding: 1.5rem;
    border-radius: var(--border-radius-sm);
    background: white;
    box-shadow: 0 2px 15px rgba(255, 107, 53, 0.05);
    transition: var(--transition-panier-mc);
    align-items: start;
    border: 1px solid rgba(255, 107, 53, 0.1);
    position: relative;
}

.cart-item:hover {
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.1);
    border-color: var(--vendeur-primary);
    transform: translateX(5px);
}

.item-image-container {
    position: relative;
    width: 120px;
    height: 120px;
}

.item-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 107, 53, 0.2);
    transition: var(--transition-panier-mc);
}

.item-img:hover {
    transform: scale(1.05);
    border-color: var(--primary-panier-mc);
}

/* ==============================
   BADGES ET ÉTATS
   ============================== */
.discount-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(135deg, var(--danger-panier-mc), #FF4D6D);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(230, 57, 70, 0.3);
    z-index: 1;
}

.availability-status {
    position: absolute;
    bottom: 10px;
    left: 10px;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
}

.in-stock {
    background: linear-gradient(135deg, #38B000, #2BA000);
    color: white;
}

.low-stock {
    background: linear-gradient(135deg, #FF9F1C, #FF8C00);
    color: white;
}

.out-of-stock {
    background: linear-gradient(135deg, #E63946, #D4303E);
    color: white;
}

/* ==============================
   DÉTAILS PRODUIT
   ============================== */
.item-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.item-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-panier-mc);
    line-height: 1.4;
}

.product-sku {
    font-size: 0.9rem;
    color: #8B7355;
    margin-top: -5px;
    font-family: 'Courier New', monospace;
    background: rgba(255, 107, 53, 0.05);
    padding: 3px 8px;
    border-radius: 4px;
    display: inline-block;
}

/* ==============================
   SECTION PRIX
   ============================== */
.price-section {
    margin: 0.5rem 0;
}

.price-compare {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.original-price {
    text-decoration: line-through;
    color: #A89B8C;
    font-size: 1rem;
    font-weight: 500;
}

.current-price {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-panier-mc);
    background: rgba(255, 107, 53, 0.1);
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.discount-saved {
    font-size: 0.9rem;
    color: var(--success-panier-mc);
    font-weight: 500;
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(56, 176, 0, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
    width: fit-content;
}

.discount-saved i {
    font-size: 1rem;
}

/* ==============================
   QUANTITÉ
   ============================== */
.quantity-section {
    margin: 1rem 0;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.quantity-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-panier-mc), var(--primary-panier-mc));
    border: none;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-panier-mc);
    box-shadow: 0 2px 5px rgba(255, 107, 53, 0.2);
}

.quantity-btn:hover {
    background: linear-gradient(135deg, var(--primary-panier-mc), var(--secondary-panier-mc));
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(255, 107, 53, 0.3);
}

.quantity-input {
    width: 60px;
    height: 36px;
    text-align: center;
    border: 2px solid rgba(255, 107, 53, 0.3);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition-panier-mc);
    background: white;
    color: var(--dark-panier-mc);
}

.quantity-input:focus {
    outline: none;
    border-color: var(--primary-panier-mc);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.stock-warning {
    color: var(--warning-panier-mc);
    font-size: 0.85rem;
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    background: rgba(255, 159, 28, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
    width: fit-content;
}

/* ==============================
   SOUS-TOTAL
   ============================== */
.item-subtotal {
    font-size: 1rem;
    color: #8B7355;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed rgba(255, 107, 53, 0.3);
    font-weight: 600;
}

.item-subtotal span {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-panier-mc);
    margin-left: 10px;
}

/* ==============================
   BOUTON SUPPRIMER
   ============================== */
.remove-btn {
    background: none;
    border: none;
    color: var(--danger-panier-mc);
    font-size: 1.3rem;
    cursor: pointer;
    transition: var(--transition-panier-mc);
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    align-self: start;
    border-radius: 8px;
    background: rgba(230, 57, 70, 0.05);
}

.remove-btn:hover {
    color: #C53030;
    transform: scale(1.1);
    background: rgba(230, 57, 70, 0.1);
}

.remove-text {
    font-size: 0.8rem;
    font-weight: 500;
}

/* ==============================
   NOTICE LIVRAISON
   ============================== */
.shipping-notice {
    background: linear-gradient(135deg, #FFF8E1, #FFECB3);
    border-left: 5px solid var(--warning-panier-mc);
    padding: 1.5rem;
    margin: 1.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    box-shadow: 0 3px 10px rgba(255, 159, 28, 0.1);
    border: 1px solid rgba(255, 159, 28, 0.2);
}

.shipping-notice i {
    color: var(--warning-panier-mc);
    font-size: 1.5rem;
    margin-top: 3px;
}

.shipping-notice strong {
    color: var(--dark-panier-mc);
    display: block;
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.shipping-notice p {
    color: #B45309;
    margin: 0;
    line-height: 1.5;
}

/* Suggestion de connexion dans le panier vide */
.login-suggestion {
    background: linear-gradient(135deg, rgba(56, 176, 0, 0.1), rgba(45, 145, 0, 0.1));
    border: 1px solid rgba(56, 176, 0, 0.2);
    padding: 12px 20px;
    border-radius: var(--border-radius-sm);
    margin: 1rem auto;
    max-width: 400px;
}

.login-suggestion a {
    color: var(--success-panier-mc);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-panier-mc);
}

.login-suggestion a:hover {
    color: #2D9100;
    text-decoration: underline;
}

/* ==============================
   RÉCAPITULATIF
   ============================== */
.summary-details {
    margin-bottom: 2rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed rgba(255, 107, 53, 0.2);
    font-size: 1rem;
}

.summary-product {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed rgba(255, 107, 53, 0.2);
}

.product-info {
    flex: 1;
    padding-right: 1rem;
}

.product-name {
    display: block;
    font-weight: 500;
    color: var(--dark-panier-mc);
    line-height: 1.4;
}

.product-vendeur {
    font-size: 0.85rem;
    color: #8B7355;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 3px;
}

.product-quantity-price {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.quantity {
    font-size: 0.9rem;
    color: white;
    background: linear-gradient(135deg, var(--accent-panier-mc), var(--primary-panier-mc));
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.price {
    font-weight: 600;
    color: var(--dark-panier-mc);
}

/* ==============================
   TOTAUX
   ============================== */
.summary-total {
    margin: 2rem 0;
    padding-top: 1.5rem;
    border-top: 2px solid rgba(255, 107, 53, 0.3);
}

.total-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.total-line.discount {
    color: var(--success-panier-mc);
    font-weight: 600;
}

.total-line.shipping-note {
    color: var(--info-panier-mc);
    font-size: 0.9rem;
    align-items: center;
}

.total-line.shipping-note i {
    font-size: 1.1rem;
}

.grand-total {
    font-size: 1.4rem;
    font-weight: 800;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 3px double var(--primary-panier-mc);
    color: var(--primary-panier-mc);
}

/* ==============================
   FORMULAIRE
   ============================== */
.form-section {
    margin-bottom: 2rem;
}

.form-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--dark-panier-mc);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-section h3 i {
    color: var(--primary-panier-mc);
}

.city-select {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 2px solid rgba(255, 107, 53, 0.3);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    background: white;
    color: var(--dark-panier-mc);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23FF6B35' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2em;
    transition: var(--transition-panier-mc);
    cursor: pointer;
}

.city-select:focus {
    outline: none;
    border-color: var(--primary-panier-mc);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.2);
}

.city-select option {
    padding: 1rem;
    font-size: 1rem;
}

.city-option[data-region="gontougo"] {
    font-weight: 600;
    color: var(--vendeur-primary);
    background: rgba(255, 107, 53, 0.1);
}

.city-option:disabled {
    color: #ccc;
    background: #FFF9F5;
}

.form-help {
    font-size: 0.9rem;
    color: #8B7355;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-help i {
    color: var(--primary-panier-mc);
}

/* ==============================
   ACTIONS
   ============================== */
.summary-actions {
    display: grid;
    gap: 1rem;
}

.btn-checkout {
    background: #f77300;
    box-shadow: 0 6px 20px rgba(56, 176, 0, 0.3);
    width: 100%;
    padding: 1.2rem;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    border: none;
    color: white;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-panier-mc);
}

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

.btn-checkout:hover:after {
    left: 100%;
}

.btn-checkout:hover {
    box-shadow: 0 8px 30px rgba(56, 176, 0, 0.4);
    transform: translateY(-3px);
}

.action-links {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    flex-wrap: wrap;
}

.btn-outline, .btn-clear {
    flex: 1;
    min-width: 150px;
    padding: 1rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-panier-mc);
    text-decoration: none;
    text-align: center;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
}

.btn-outline {
    background: white;
    color: var(--primary-panier-mc);
    border: 2px solid var(--primary-panier-mc);
    box-shadow: 0 3px 10px rgba(255, 107, 53, 0.2);
}

.btn-outline:hover {
    background: var(--primary-panier-mc);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

.btn-clear {
    background: linear-gradient(135deg, var(--danger-panier-mc), #D4303E);
    border: none;
    color: white;
    box-shadow: 0 3px 10px rgba(230, 57, 70, 0.2);
}

.btn-clear:hover {
    background: linear-gradient(135deg, #D4303E, #C53030);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
}

/* ==============================
   MESSAGE BOX
   ============================== */
#message-box {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--success-panier-mc), #2D9100);
    color: white;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    box-shadow: var(--shadow-hover);
    z-index: 9999;
    display: none;
    align-items: center;
    gap: 15px;
    animation: slideIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

#message-box i {
    font-size: 1.5rem;
}

@keyframes slideIn {
    from {
        top: -100px;
        opacity: 0;
        transform: translateX(-50%) scale(0.9);
    }
    to {
        top: 20px;
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }
}

@keyframes slideOut {
    from {
        top: 20px;
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }
    to {
        top: -100px;
        opacity: 0;
        transform: translateX(-50%) scale(0.9);
    }
}

/* ==============================
   PANIER VIDE
   ============================== */
.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #FFF9F5, #FFF1E6);
    border-radius: var(--border-radius);
    border: 2px dashed rgba(255, 107, 53, 0.3);
}

.empty-cart-icon {
    font-size: 6rem;
    color: rgba(255, 107, 53, 0.3);
    margin-bottom: 2rem;
    opacity: 0.7;
}

.empty-cart h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--dark-panier-mc);
    font-weight: 600;
}

.empty-cart p {
    color: #8B7355;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ==============================
   RESPONSIVE
   ============================== */
@media (max-width: 768px) {
    .cart-container {
        padding: 0 1rem;
        margin: 1rem auto;
    }
    
    .cart-header {
        padding: 1.5rem;
    }
    
    .cart-header h1 {
        font-size: 2rem;
    }
    
    .cart-card {
        padding: 1.5rem;
    }
    
    .cart-item {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
        padding: 1rem;
    }
    
    .item-image-container {
        width: 100%;
        height: 200px;
        margin: 0 auto;
    }
    
    .item-img {
        width: 100%;
        height: 100%;
    }
    
    .quantity-controls {
        justify-content: center;
    }
    
    .vendeur-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 1rem;
    }
    
    .vendeur-stats {
        width: 100%;
        justify-content: space-between;
    }
    
    .remove-btn {
        margin-top: 1rem;
        align-self: center;
    }
    
    .action-links {
        flex-direction: column;
    }
    
    .btn-outline, .btn-clear {
        width: 100%;
    }
    
    .panier-sync-notice,
    .multivendeur-notice {
        font-size: 0.85rem;
        padding: 10px 20px;
    }
    
    .sync-badge {
        margin-left: 8px;
        padding: 4px 10px;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .cart-header h1 {
        font-size: 1.8rem;
    }
    
    .card-title {
        font-size: 1.4rem;
        flex-wrap: wrap;
    }
    
    .vendeur-name {
        font-size: 1rem;
    }
    
    .item-name {
        font-size: 1.1rem;
    }
    
    .current-price {
        font-size: 1.2rem;
    }
    
    .grand-total {
        font-size: 1.2rem;
    }
    
    .btn-checkout {
        padding: 1rem;
        font-size: 1rem;
    }
}

/* ==============================
   ANIMATIONS SUPPLÉMENTAIRES
   ============================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.cart-item {
    animation: fadeIn 0.5s ease-out forwards;
}

.cart-item:nth-child(odd) {
    animation-delay: 0.1s;
}

.cart-item:nth-child(even) {
    animation-delay: 0.2s;
}

/* ==============================
   STATES
   ============================== */
.city-select option:checked {
    background: linear-gradient(135deg, var(--vendeur-primary), var(--vendeur-secondary));
    color: white;
}

.quantity-input:disabled {
    background: #FFF9F5;
    color: #8B7355;
    cursor: not-allowed;
    border-color: rgba(255, 107, 53, 0.1);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ==============================
   SCROLLBAR CUSTOM
   ============================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #FFF9F5;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-panier-mc), var(--accent-panier-mc));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--vendeur-primary), var(--vendeur-secondary));
}