/* === flash.css === */
.flash-message {
    max-width: 600px;
    margin: 1rem auto;
    padding: 1rem 1.5rem;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.flash-success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #10b981;
}

.flash-error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.flash-info {
    background-color: #eff6ff;
    color: #1e40af;
    border: 1px solid #3b82f6;
}

.flash-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #f59e0b;
}