/**
 * 確認モーダル（統一コンポーネント）
 *
 * confirm() の代替。破壊的操作・重要判断の前に使用する。
 * 詳細: docs/UI-Feedback-and-Modal-Guide.md
 *
 * API: showConfirmModal(options) — assets/js/common/confirm-modal.js
 */

.aidunite-confirm-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10050;
    animation: aiduniteConfirmFadeIn 0.3s ease-out;
}

.aidunite-confirm-overlay.is-closing {
    animation: aiduniteConfirmFadeOut 0.3s ease-out forwards;
}

.aidunite-confirm-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10060;
    pointer-events: none;
    font-family: inherit;
}

.aidunite-confirm-modal.is-closing .aidunite-confirm-dialog {
    animation: aiduniteConfirmSlideOut 0.3s ease-out forwards;
}

.aidunite-confirm-dialog {
    background: var(--bg-primary);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-xl);
    max-width: 480px;
    width: 90%;
    pointer-events: auto;
    animation: aiduniteConfirmSlideIn 0.35s ease-out;
    overflow: hidden;
}

.aidunite-confirm-dialog__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-base);
    padding: var(--spacing-base) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.aidunite-confirm-dialog__title {
    margin: 0;
    font-size: var(--font-size-lg, 1.125rem);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.aidunite-confirm-dialog__close {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    border-radius: var(--radius-base);
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.aidunite-confirm-dialog__close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.aidunite-confirm-dialog__close:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.aidunite-confirm-dialog__body {
    padding: var(--spacing-lg);
}

.aidunite-confirm-dialog__message {
    margin: 0;
    font-size: var(--font-size-base, 1rem);
    line-height: 1.7;
    color: var(--text-secondary);
    word-break: break-word;
}

.aidunite-confirm-dialog__message--center {
    text-align: center;
}

.aidunite-confirm-dialog__footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-base) var(--spacing-lg) var(--spacing-lg);
}

.aidunite-confirm-dialog__footer .btn {
    min-height: 44px;
    min-width: 7rem;
}

@keyframes aiduniteConfirmFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes aiduniteConfirmFadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes aiduniteConfirmSlideIn {
    from {
        opacity: 0;
        transform: translateY(calc(-1 * var(--spacing-base)));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes aiduniteConfirmSlideOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(calc(-1 * var(--spacing-base)));
    }
}

@media (max-width: 768px) {
    .aidunite-confirm-dialog__footer {
        flex-direction: column-reverse;
    }

    .aidunite-confirm-dialog__footer .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .aidunite-confirm-dialog {
        width: 95%;
    }

    .aidunite-confirm-dialog__header,
    .aidunite-confirm-dialog__body,
    .aidunite-confirm-dialog__footer {
        padding-left: var(--spacing-base);
        padding-right: var(--spacing-base);
    }
}

.aidunite-reason-modal .aidunite-confirm-dialog {
    max-width: 520px;
}

.aidunite-reason-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin: var(--spacing-base) 0 0;
    padding: 0;
    list-style: none;
}

.aidunite-reason-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 44px;
    margin: 0;
    padding: var(--spacing-sm) var(--spacing-base);
    border: 1px solid var(--border-color, var(--border-light));
    border-radius: var(--radius-base);
    background: var(--bg-primary);
    cursor: pointer;
}

.aidunite-reason-option:hover {
    background: var(--bg-secondary);
}

.aidunite-reason-option:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.aidunite-reason-option input {
    width: 20px;
    height: 20px;
    margin: 0;
    flex-shrink: 0;
}

.aidunite-reason-option__label {
    font-size: var(--font-size-base, 1rem);
    color: var(--text-primary);
}

.aidunite-reason-comment {
    margin-top: var(--spacing-base);
}

.aidunite-reason-comment label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--text-primary);
}

.aidunite-reason-comment textarea {
    width: 100%;
    min-height: 88px;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color, var(--border-light));
    border-radius: var(--radius-base);
    font-size: var(--font-size-base, 1rem);
    font-family: inherit;
    resize: vertical;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.aidunite-reason-comment textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.aidunite-reason-hint,
.aidunite-reason-count,
.aidunite-reason-error {
    margin: var(--spacing-xs) 0 0;
    font-size: var(--font-size-sm, 0.875rem);
}

.aidunite-reason-hint {
    color: var(--text-secondary);
}

.aidunite-reason-count {
    color: var(--text-secondary);
    text-align: right;
}

.aidunite-reason-error {
    color: var(--danger-color);
}

.aidunite-reason-error[hidden] {
    display: none;
}