/* Custom Alert Modal - replaces browser alert() */
.sweet-alert-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s var(--ease-smooth), visibility 0.2s;
}
.sweet-alert-overlay.sweet-alert-visible {
    opacity: 1;
    visibility: visible;
}
.sweet-alert-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: 100%;
    padding: 1.5rem;
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.2s var(--ease-bounce);
}
.sweet-alert-overlay.sweet-alert-visible .sweet-alert-box {
    transform: scale(1);
}
.sweet-alert-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
}
.sweet-alert-icon.sweet-alert-info {
    background: var(--color-info);
}
.sweet-alert-icon.sweet-alert-success {
    background: var(--color-success);
}
.sweet-alert-icon.sweet-alert-error {
    background: var(--color-danger);
}
.sweet-alert-icon.sweet-alert-warning {
    background: var(--color-warning);
}
.sweet-alert-message {
    color: var(--text-primary);
    font-size: var(--font-size-body);
    line-height: 1.5;
    margin-bottom: 1.25rem;
    white-space: pre-wrap;
    word-break: break-word;
}
.sweet-alert-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    font-size: var(--font-size-body);
    font-weight: 600;
    color: #fff;
    background: var(--gradient-primary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}
.sweet-alert-btn:hover {
    opacity: 0.95;
}
.sweet-alert-btn:active {
    transform: scale(0.98);
}

/* Confirm dialog: two buttons */
.sweet-confirm-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 0.25rem;
}
.sweet-alert-btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.sweet-alert-btn-secondary:hover {
    background: var(--border-color);
    opacity: 1;
}