.flash-message {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    min-width: 320px;
    max-width: 450px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    gap: 1rem;
    transform: translateX(500px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.flash-message.show {
    transform: translateX(0);
    opacity: 1;
}

.flash-message.flash-success {
    border-left: 4px solid var(--color-tertiary);
}

.flash-message.flash-error {
    border-left: 4px solid #EF4444;
}

.flash-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.flash-content i {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.flash-message.flash-success .flash-content i {
    color: var(--color-tertiary);
}

.flash-message.flash-error .flash-content i {
    color: #EF4444;
}

.flash-content span {
    color: var(--color-gray-800);
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: 500;
}

.flash-close {
    background: none;
    border: none;
    color: var(--color-gray-500);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: color 0.3s ease;
    flex-shrink: 0;
}

.flash-close:hover {
    color: var(--color-gray-800);
}

.flash-message.show .flash-content i {
    animation: flashPulse 0.6s ease;
}

@keyframes flashPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

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