.sonner-toast-container {
        position: fixed;
        top: 20px;
        right: 20px;
        z-index: 10000;
        display: flex;
        flex-direction: column;
        gap: 12px;
        pointer-events: none;
    }

    .sonner-toast {
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.1);
        padding: 16px 20px;
        min-width: 320px;
        max-width: 420px;
        display: flex;
        align-items: center;
        gap: 12px;
        pointer-events: auto;
        animation: sonner-slide-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        border: 1px solid rgba(0, 0, 0, 0.05);
        position: relative;
        overflow: hidden;
    }

    .sonner-toast::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
        background: var(--toast-color, #10b981);
    }

    .sonner-toast.success::before {
        background: #10b981;
    }

    .sonner-toast.error::before {
        background: #ef4444;
    }

    .sonner-toast.warning::before {
        background: #f59e0b;
    }

    .sonner-toast.info::before {
        background: #3b82f6;
    }

    @keyframes sonner-slide-in {
        from {
            transform: translateX(calc(100% + 20px));
            opacity: 0;
        }
        to {
            transform: translateX(0);
            opacity: 1;
        }
    }

    @keyframes sonner-slide-out {
        from {
            transform: translateX(0);
            opacity: 1;
        }
        to {
            transform: translateX(calc(100% + 20px));
            opacity: 0;
        }
    }

    .sonner-toast.removing {
        animation: sonner-slide-out 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }

    .sonner-icon {
        width: 20px;
        height: 20px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        font-size: 12px;
        font-weight: 600;
    }

    .sonner-toast.success .sonner-icon {
        background: #d1fae5;
        color: #10b981;
    }

    .sonner-toast.error .sonner-icon {
        background: #fee2e2;
        color: #ef4444;
    }

    .sonner-toast.warning .sonner-icon {
        background: #fef3c7;
        color: #f59e0b;
    }

    .sonner-toast.info .sonner-icon {
        background: #dbeafe;
        color: #3b82f6;
    }

    .sonner-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .sonner-title {
        font-size: 14px;
        font-weight: 600;
        color: #1f2937;
        line-height: 1.4;
        margin: 0;
    }

    .sonner-description {
        font-size: 13px;
        color: #6b7280;
        line-height: 1.4;
        margin: 0;
    }

    .sonner-close {
        width: 20px;
        height: 20px;
        flex-shrink: 0;
        background: transparent;
        border: none;
        color: #9ca3af;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 4px;
        transition: all 0.2s ease;
        font-size: 16px;
        padding: 0;
    }

    .sonner-close:hover {
        background: #f3f4f6;
        color: #374151;
    }

    .sonner-progress {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: rgba(0, 0, 0, 0.05);
        overflow: hidden;
    }

    .sonner-progress-bar {
        height: 100%;
        background: var(--toast-color, #10b981);
        animation: sonner-progress linear forwards;
    }

    @keyframes sonner-progress {
        from {
            width: 100%;
        }
        to {
            width: 0%;
        }
    }

    @media (max-width: 480px) {
        .sonner-toast-container {
            top: 10px;
            right: 10px;
            left: 10px;
        }

        .sonner-toast {
            min-width: auto;
            max-width: 100%;
        }
    }