/* سیستم Alert پیشرفته */
.alert-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
    font-family: 'Vazir', 'IRANSans', sans-serif;
    /* جلوگیری از گرفتن کلیک در فضای خالی کانتینر */
    pointer-events: none;
}

.alert {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px 20px;
    margin-bottom: 10px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform: translateX(100%);
    opacity: 0;
    animation: slideInRight 0.5s ease forwards;
    position: relative;
    overflow: hidden;
    /* فقط خود alert ها کلیک‌پذیر باشند */
    pointer-events: auto;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #00d4ff, #ff6b6b, #4ecdc4);
    animation: progress 3s linear;
}

.alert.success {
    background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    border-left: 4px solid #059669;
}

.alert.error {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    border-left: 4px solid #ff4757;
}

.alert.warning {
    background: linear-gradient(135deg, #feca57 0%, #ff9ff3 100%);
    border-left: 4px solid #ffa502;
    color: #2c3e50;
}

.alert.info {
    background: linear-gradient(135deg, #48dbfb 0%, #0abde3 100%);
    border-left: 4px solid #54a0ff;
}

.alert-content {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert-icon {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-message {
    flex: 1;
    line-height: 1.5;
    font-size: 14px;
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 18px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.alert-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

.alert.removing {
    animation: slideOutRight 0.5s ease forwards;
}

/* انیمیشن‌ها */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

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

/* انیمیشن ورود */
@keyframes fadeInUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* انیمیشن خروج */
@keyframes fadeOutDown {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(30px);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .alert-container {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
    
    .alert {
        margin-bottom: 8px;
        padding: 14px 16px;
    }
}

/* حالت تاریک */
@media (prefers-color-scheme: dark) {
    .alert {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }
}

/* انیمیشن لرزش برای خطاها */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.alert.error.shake {
    animation: shake 0.6s ease-in-out;
}

/* انیمیشن پالس برای موفقیت */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.alert.success.pulse {
    animation: pulse 0.6s ease-in-out;
}