/* Flash Messages Styles */
.flash-message {
    position: fixed;
    top: 80px; /* Đặt dưới header */
    right: 20px;
    z-index: 9999;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    max-width: 400px;
    min-width: 300px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideInRight 0.3s ease-out;
    margin-bottom: 10px;
}

.flash-message i {
    font-size: 16px;
    flex-shrink: 0;
}

.flash-close {
    background: none;
    border: none;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    margin-left: auto;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.flash-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.flash-success i {
    color: #28a745;
}

.flash-success .flash-close {
    color: #155724;
}

.flash-success .flash-close:hover {
    background-color: rgba(21, 87, 36, 0.1);
}

.flash-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.flash-error i {
    color: #dc3545;
}

.flash-error .flash-close {
    color: #721c24;
}

.flash-error .flash-close:hover {
    background-color: rgba(114, 28, 36, 0.1);
}

.flash-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.flash-warning i {
    color: #ffc107;
}

.flash-warning .flash-close {
    color: #856404;
}

.flash-warning .flash-close:hover {
    background-color: rgba(133, 100, 4, 0.1);
}

.flash-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.flash-info i {
    color: #17a2b8;
}

.flash-info .flash-close {
    color: #0c5460;
}

.flash-info .flash-close:hover {
    background-color: rgba(12, 84, 96, 0.1);
}

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

/* Auto hide after 5 seconds */
.flash-message {
    animation: slideInRight 0.3s ease-out, fadeOut 0.5s ease-out 4.5s forwards;
}

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

/* Mobile responsive */
@media (max-width: 768px) {
    .flash-message {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
        min-width: auto;
    }
}