.alert-progress {
    position: fixed !important;
    bottom: 50px;
    left: 20px;
    background: white;
    border-radius: 12px;
    padding: 18px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: none; /* ← CAMBIO CLAVE */
    align-items: center;
    gap: 16px;
    transform: translateY(100px);
    opacity: 0 !important;
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 9999;
    max-width: 360px;
    border: 1px solid #e0e0e0;
    overflow: hidden;
}

.alert-progress.show {
    display: flex; /* ← CAMBIO CLAVE */
    transform: translateY(0);
    opacity: 1 !important;
    visibility: visible;
}

.alert-progress::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 0%;
    transition: none;
}

.alert-progress.success::before {
    background: linear-gradient(90deg, #4CAF50, #66BB6A);
}

.alert-progress.error::before {
    background: linear-gradient(90deg, #f44336, #ff6b6b);
}

.alert-progress.warning::before {
    background: linear-gradient(90deg, #FF9800, #FFB74D);
}

.alert-progress.info::before {
    background: linear-gradient(90deg, #2196F3, #42A5F5);
}

.alert-progress.animate-progress::before {
    animation: progress-bar var(--duration, 4s) linear;
}

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

.alert-progress .icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.alert-progress.success .icon-wrapper {
    background: linear-gradient(135deg, #E8F5E8, #C8E6C9);
    color: #4CAF50;
    font-weight: bold;
}

.alert-progress.error .icon-wrapper {
    background: linear-gradient(135deg, #FFEBEE, #FFCDD2);
    color: #f44336;
}

.alert-progress.warning .icon-wrapper {
    background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
    color: #FF9800;
}

.alert-progress.info .icon-wrapper {
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
    color: #2196F3;
}

.alert-progress .content {
    flex: 1;
}

.alert-progress .title {
    font-weight: 600;
    color: #333;
    font-size: 15px;
    margin-bottom: 3px;
    text-shadow: none !important;
}

.alert-progress .message {
    color: #666;
    font-size: 13px;
    line-height: 1.4;
    text-shadow: none !important;
}