/**
 * 文章功能擴充相關樣式
 * 包含：收藏、目錄、狀態標籤等
 */

/* 文章狀態標籤 */
.article-status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
    width: fit-content;
    white-space: nowrap;
}

.article-status-badge.draft {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #f59e0b;
}

.article-status-badge.scheduled {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #3b82f6;
}

/* Gmail 風格的草稿通知欄 */
.draft-notification-bar {
    background: #fff8e1;
    border: 1px solid #ffd54f;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    animation: slideDown 0.3s ease;
}

/* 可點擊的草稿通知欄 */
.draft-notification-link {
    display: block;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.draft-notification-link:hover {
    background: #fff4c7;
    border-color: #ffc107;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.draft-notification-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.draft-notification-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 250px;
}

.draft-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.draft-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.draft-text strong {
    color: #b45309;
    font-size: 1rem;
    font-weight: 600;
}

.draft-time-text {
    color: #92400e;
    font-size: 0.85rem;
    opacity: 0.9;
}

.draft-notification-actions {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.draft-notification-action {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.draft-edit-hint {
    color: #92400e;
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    transition: color 0.2s ease;
}

.draft-notification-link:hover .draft-edit-hint {
    color: #b45309;
}

/* Gmail 風格的主要按鈕（發布草稿） */
.btn-draft-publish-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.5rem;
    background: #1a73e8;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.btn-draft-publish-primary:hover {
    background: #1557b0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.btn-draft-publish-primary:active {
    background: #0f4c8f;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

/* Gmail 風格的次要按鈕（捨棄） */
.btn-draft-discard-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.5rem;
    background: white;
    color: #5f6368;
    border: 1px solid #dadce0;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    cursor: pointer;
}

.btn-draft-discard-secondary:hover {
    background: #f8f9fa;
    border-color: #c6c9cc;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.btn-draft-discard-secondary:active {
    background: #f1f3f4;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .draft-notification-bar {
        padding: 1rem;
    }

    .draft-notification-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .draft-notification-actions {
        width: 100%;
        flex-direction: column;
    }

    .draft-notification-action {
        width: 100%;
    }

    .draft-edit-hint {
        font-size: 0.85rem;
    }

    .btn-draft-publish-primary,
    .btn-draft-discard-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* 文章操作區域 */
.article-actions-section {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem 0;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
    margin: 2rem 0;
    flex-wrap: wrap;
}

/* 收藏按鈕 */
.bookmark-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    color: #4b5563;
}

.bookmark-button:hover {
    border-color: #667eea;
    background: #f3f4f6;
}

.bookmark-button.bookmarked {
    border-color: #667eea;
    background: #eef2ff;
    color: #667eea;
}

.bookmark-icon {
    font-size: 1.2rem;
}

.bookmark-count-display {
    font-size: 0.9rem;
    color: #6b7280;
}

/* 收藏訊息提示 */
.bookmark-message {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.bookmark-message-success {
    background: #10b981;
    color: white;
}

.bookmark-message-info {
    background: #3b82f6;
    color: white;
}

.bookmark-message-error {
    background: #ef4444;
    color: white;
}

.bookmark-message.fade-out {
    animation: fadeOut 0.3s ease;
}

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

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

/* 分享統計 */
.article-share-stats {
    color: #6b7280;
    font-size: 0.9rem;
}

/* 目錄 (Table of Contents) */
.table-of-contents {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.toc-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: #1f2937;
}

.toc-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: #6b7280;
    padding: 0.25rem 0.5rem;
    transition: color 0.2s;
}

.toc-toggle:hover {
    color: #1f2937;
}

.toc-nav {
    max-height: 500px;
    overflow-y: auto;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    opacity: 1;
}

.toc-nav.toc-collapsed {
    max-height: 0 !important;
    overflow: hidden !important;
    opacity: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-item {
    margin: 0.5rem 0;
}

.toc-link {
    display: block;
    color: #4b5563;
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.toc-link:hover {
    background: #e5e7eb;
    color: #1f2937;
}

.toc-link-active {
    background: #667eea;
    color: white;
    font-weight: 500;
}

/* 目錄層級縮進 */
.toc-level-1 {
    margin-left: 0;
}

.toc-level-2 {
    margin-left: 1rem;
}

.toc-level-3 {
    margin-left: 2rem;
}

.toc-level-4 {
    margin-left: 3rem;
}

/* 文章匯出功能樣式 */
.article-export-section {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.export-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.625rem;
    border-radius: 4px;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.1s ease;
    cursor: pointer;
    border: none;
    outline: none;
    background: transparent;
    color: #65676b;
}

.export-button:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.export-button:active {
    background-color: rgba(0, 0, 0, 0.1);
}

.export-icon {
    font-size: 1.125rem;
    line-height: 1;
}

.export-text {
    font-weight: 600;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .article-actions-section {
        flex-direction: column;
        gap: 1rem;
    }

    .table-of-contents {
        font-size: 0.9rem;
    }

    .bookmark-message {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }

    .article-export-section {
        width: 100%;
        justify-content: center;
    }

    .export-button {
        flex: 1;
        justify-content: center;
        padding: 0.8rem 1.2rem;
    }
}