.notifications-dropdown {
        display: none;
        position: absolute;
        top: calc(100% + 10px);
        right: 0;
        background: white;
        min-width: 350px;
        max-width: 90vw;
        max-height: 500px;
        box-shadow: 0 10px 40px rgba(0,0,0,0.15);
        border-radius: 15px;
        z-index: 1000;
        overflow: hidden;
        animation: slideDown 0.3s ease;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .notifications-dropdown-header {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 1.25rem 1.5rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .notifications-dropdown-header h4 {
        margin: 0;
        font-size: 1.2rem;
        font-weight: 600;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .notifications-list {
        max-height: 400px;
        overflow-y: auto;
        padding: 0.5rem 0;
    }

    .notifications-list::-webkit-scrollbar {
        width: 6px;
    }

    .notifications-list::-webkit-scrollbar-track {
        background: #f1f1f1;
    }

    .notifications-list::-webkit-scrollbar-thumb {
        background: #667eea;
        border-radius: 10px;
    }

    .notification-item {
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
        transition: all 0.3s ease;
        position: relative;
        cursor: pointer;
        display: flex;
        align-items: flex-start;
        gap: 1rem;
    }

    .notification-item:hover {
        background: #f8f9fa;
    }

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

    .notification-content-wrapper {
        flex: 1;
        min-width: 0;
    }

    .notification-message-text {
        margin: 0 0 0.5rem 0;
        color: #333;
        font-size: 0.95rem;
        line-height: 1.5;
        word-wrap: break-word;
    }

    .notification-time {
        font-size: 0.8rem;
        color: #6c757d;
        display: flex;
        align-items: center;
        gap: 0.25rem;
    }

    .notification-time i {
        font-size: 0.75rem;
    }

    .notification-badge {
        position: absolute;
        top: -8px;
        right: -8px;
        background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
        color: white;
        border-radius: 50%;
        padding: 3px 7px;
        font-size: 11px;
        font-weight: 700;
        min-width: 20px;
        height: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 2px 8px rgba(220, 53, 69, 0.4);
        animation: pulse 2s infinite;
    }

    @keyframes pulse {
        0%, 100% {
            transform: scale(1);
        }
        50% {
            transform: scale(1.1);
        }
    }

    .notifications-container {
        position: relative;
        display: inline-block;
        vertical-align: middle;
        margin-right: 15px;
    }

    .notifications-container .btn {
        padding: 0;
        height: 40px;
        width: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .notifications-container .fas {
        font-size: 18px;
    }

    /* Style pour la modale de notification */
    .notification-modal {
        display: none;
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) scale(0.8);
        background: white;
        width: 90%;
        max-width: 550px;
        border-radius: 20px;
        box-shadow: 0 20px 60px rgba(0,0,0,0.3);
        z-index: 1050;
        opacity: 0;
        transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        overflow: hidden;
    }

    .notification-modal.show {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }

    .notification-modal-header {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 1.5rem 2rem;
        border-radius: 20px 20px 0 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: relative;
        overflow: hidden;
    }

    .notification-modal-header::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="80" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="60" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>');
        opacity: 0.3;
    }

    .notification-modal-header h3 {
        margin: 0;
        font-size: 1.5rem;
        color: white;
        font-weight: 700;
        display: flex;
        align-items: center;
        gap: 0.75rem;
        position: relative;
        z-index: 1;
    }

    .notification-modal-header h3 i {
        font-size: 1.3rem;
    }

    .notification-modal-header-actions {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        position: relative;
        z-index: 1;
    }

    .notification-modal-mark-read {
        background: rgba(255,255,255,0.2);
        border: 2px solid rgba(255,255,255,0.3);
        color: white;
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
        border-radius: 25px;
        cursor: pointer;
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-weight: 600;
    }

    .notification-modal-mark-read:hover {
        background: rgba(255,255,255,0.3);
        border-color: rgba(255,255,255,0.5);
        transform: translateY(-2px);
    }

    .notification-modal-mark-read:active {
        transform: translateY(0);
    }

    .notification-modal-close {
        background: rgba(255,255,255,0.2);
        border: 2px solid rgba(255,255,255,0.3);
        color: white;
        font-size: 1.5rem;
        cursor: pointer;
        padding: 0;
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        transition: all 0.3s ease;
        font-weight: 300;
        line-height: 1;
    }

    .notification-modal-close:hover {
        background: rgba(255,255,255,0.3);
        border-color: rgba(255,255,255,0.5);
        transform: rotate(90deg);
    }

    .notification-modal-body {
        padding: 2rem;
        font-size: 1.05rem;
        line-height: 1.8;
        color: #333;
        max-height: 400px;
        overflow-y: auto;
    }

    .notification-modal-body::-webkit-scrollbar {
        width: 6px;
    }

    .notification-modal-body::-webkit-scrollbar-track {
        background: #f1f1f1;
    }

    .notification-modal-body::-webkit-scrollbar-thumb {
        background: #667eea;
        border-radius: 10px;
    }

    .notification-modal-time {
        font-size: 0.85rem;
        color: #6c757d;
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid #f0f0f0;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .notification-modal-time i {
        font-size: 0.8rem;
    }

    .notification-modal-footer {
        padding: 1.25rem 2rem;
        border-top: 1px solid #f0f0f0;
        display: flex;
        justify-content: flex-end;
        gap: 1rem;
        background: #f8f9fa;
    }

    .notification-modal-btn {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border: none;
        padding: 0.75rem 2rem;
        border-radius: 25px;
        cursor: pointer;
        transition: all 0.3s ease;
        font-weight: 600;
        font-size: 1rem;
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    }

    .notification-modal-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    }

    .notification-modal-btn:active {
        transform: translateY(0);
    }

    .notification-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1040;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .notification-overlay.show {
        opacity: 1;
    }

    /* Animation pour les notifications non lues */
    .notification-item[data-read="0"] {
        position: relative;
        background: #f0f4ff;
        border-left: 3px solid #667eea;
    }

    .notification-item[data-read="0"]::before {
        content: '';
        position: absolute;
        left: 1.5rem;
        top: 1.5rem;
        width: 8px;
        height: 8px;
        background: #667eea;
        border-radius: 50%;
        animation: pulse-dot 2s infinite;
    }

    @keyframes pulse-dot {
        0%, 100% {
            opacity: 1;
            transform: scale(1);
        }
        50% {
            opacity: 0.7;
            transform: scale(1.2);
        }
    }

    .notification-item[data-read="1"] {
        background: #ffffff;
        opacity: 0.8;
    }

    .notifications-dropdown-header .mark-all-read {
        background: rgba(255,255,255,0.2);
        border: none;
        color: white;
        padding: 0.5rem 0.75rem;
        border-radius: 8px;
        cursor: pointer;
        transition: all 0.3s ease;
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .notifications-dropdown-header .mark-all-read:hover {
        background: rgba(255,255,255,0.3);
        transform: scale(1.05);
    }

    .notifications-dropdown-footer {
        padding: 1rem 1.5rem;
        border-top: 1px solid #f0f0f0;
        text-align: center;
        background: #f8f9fa;
    }

    .view-all-notifications {
        color: #667eea;
        text-decoration: none;
        font-weight: 600;
        font-size: 0.9rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        transition: all 0.3s ease;
    }

    .view-all-notifications:hover {
        color: #5568d3;
        text-decoration: none;
        transform: translateX(5px);
    }

    .notification-empty-state {
        text-align: center;
        padding: 3rem 2rem;
        color: #6c757d;
    }

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

    .notification-empty-state p {
        margin: 0;
        font-size: 1rem;
    }

    /* Responsive */
    @media (max-width: 768px) {
        .notifications-dropdown {
            min-width: 300px;
            right: -10px;
        }

        .notifications-dropdown-header {
            padding: 1rem;
        }

        .notifications-dropdown-header h4 {
            font-size: 1rem;
        }

        .notification-item {
            padding: 0.875rem 1rem;
        }

        .notification-message-text {
            font-size: 0.9rem;
        }
    }