/* 色彩管理论坛样式：对齐 portal.css 色调（深藏青+青绿 accent） */
:root {
    --forum-accent: #0f766e;
    --forum-accent-dark: #115e59;
    --forum-ink: #1e293b;
    --forum-muted: #64748b;
    --forum-border: #e2e8f0;
    --forum-bg-soft: #f8fafc;
    --forum-danger: #b91c1c;
}

/* hidden 兜底：必须优先于下方所有 display 规则，否则 .forum-modal/.forum-pager 等的
   display:flex 会覆盖 HTML hidden 属性，导致弹层常显、关闭按钮无效 */
[hidden] { display: none !important; }

.forum-main { max-width: 960px; margin: 0 auto; }
.forum-notice { padding: 10px 14px; border: 1px solid var(--forum-border); border-left: 4px solid var(--forum-accent); border-radius: 8px; background: var(--forum-bg-soft); color: var(--forum-ink); }
.forum-notice a { color: var(--forum-accent); font-weight: 600; }

/* 版块卡片网格 */
.board-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.board-card { display: block; padding: 18px; border: 1px solid var(--forum-border); border-radius: 12px; background: #fff; text-decoration: none; color: inherit; transition: box-shadow .15s ease, transform .15s ease; }
.board-card:hover { box-shadow: 0 6px 18px rgba(15, 118, 110, .12); transform: translateY(-2px); }
.board-card h3 { margin: 0 0 8px; font-size: 18px; color: var(--forum-ink); }
.board-card .board-stats { margin: 0; font-size: 13px; color: var(--forum-muted); }

/* 视图头 */
.forum-view-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.forum-view-title { margin: 0; font-size: 20px; color: var(--forum-ink); flex: 1; }
.forum-back { border: 1px solid var(--forum-border); background: #fff; border-radius: 8px; padding: 6px 12px; cursor: pointer; color: var(--forum-muted); }
.forum-back:hover { color: var(--forum-accent); border-color: var(--forum-accent); }

/* 帖子列表 */
.thread-list { display: flex; flex-direction: column; gap: 8px; }
.thread-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--forum-border); border-radius: 10px; background: #fff; text-decoration: none; color: inherit; }
.thread-row:hover { border-color: var(--forum-accent); }
.thread-row .thread-title { flex: 1; font-size: 15px; color: var(--forum-ink); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.thread-row .thread-badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; }
.thread-badge-pin { background: #fef3c7; color: #92400e; }
.thread-badge-lock { background: #fee2e2; color: var(--forum-danger); }
.thread-row .thread-meta { font-size: 12px; color: var(--forum-muted); white-space: nowrap; }

/* 帖子详情与楼层 */
.thread-detail, .reply-floor { border: 1px solid var(--forum-border); border-radius: 12px; background: #fff; padding: 18px; margin-bottom: 12px; }
.floor-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 13px; color: var(--forum-muted); flex-wrap: wrap; }
.floor-head .floor-user { font-weight: 700; color: var(--forum-ink); font-size: 14px; }
.floor-head .floor-no { margin-left: auto; }
.floor-content { font-size: 15px; line-height: 1.8; color: var(--forum-ink); word-break: break-word; }
/* 富文本正文（管理员文章帖）：还原原文章的分节标题、列表、配图与说明 */
.floor-content-rich h2 { font-size: 20px; margin: 26px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--forum-border); line-height: 1.5; }
.floor-content-rich h2:first-child { margin-top: 0; }
.floor-content-rich h3 { font-size: 17px; margin: 20px 0 8px; line-height: 1.5; }
.floor-content-rich h4 { font-size: 15px; margin: 16px 0 6px; line-height: 1.5; }
.floor-content-rich p { margin: 10px 0; }
.floor-content-rich ul, .floor-content-rich ol { margin: 10px 0; padding-left: 24px; }
.floor-content-rich li { margin: 5px 0; }
.floor-content-rich figure { margin: 18px 0; }
.floor-content-rich figure img, .floor-content-rich > img { max-width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--forum-border); display: block; }
.floor-content-rich figcaption { margin-top: 8px; font-size: 13px; color: var(--forum-muted); text-align: center; line-height: 1.6; }
.floor-content-rich blockquote { margin: 12px 0; padding: 8px 14px; border-left: 3px solid var(--forum-accent); background: #f8fafc; color: var(--forum-muted); }
.floor-content-rich table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14px; }
.floor-content-rich th, .floor-content-rich td { border: 1px solid var(--forum-border); padding: 8px 10px; text-align: left; }
.floor-content-rich th { background: #f1f5f9; font-weight: 600; }
.floor-content-rich a { color: var(--forum-accent); text-decoration: underline; }
.floor-content-rich hr { border: none; border-top: 1px solid var(--forum-border); margin: 20px 0; }
.floor-deleted { color: var(--forum-muted); font-style: italic; }
.floor-images { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.floor-images a { display: block; }
.floor-images img { max-width: 220px; max-height: 220px; border-radius: 8px; border: 1px solid var(--forum-border); object-fit: cover; }
.floor-actions { margin-top: 10px; display: flex; gap: 8px; }
.floor-actions button { font-size: 12px; padding: 4px 10px; border-radius: 6px; border: 1px solid var(--forum-border); background: #fff; cursor: pointer; color: var(--forum-muted); }
.floor-actions button:hover { color: var(--forum-accent); border-color: var(--forum-accent); }
.floor-actions button.forum-action-danger:hover { color: var(--forum-danger); border-color: var(--forum-danger); }

/* 表单与按钮 */
.reply-form-wrap { border: 1px solid var(--forum-border); border-radius: 12px; background: var(--forum-bg-soft); padding: 18px; margin-top: 8px; }
.reply-form-wrap h3 { margin: 0 0 10px; font-size: 16px; }
.reply-form-wrap textarea, .forum-modal input, .forum-modal textarea { width: 100%; border: 1px solid var(--forum-border); border-radius: 8px; padding: 10px; font-size: 14px; font-family: inherit; resize: vertical; box-sizing: border-box; }
.forum-upload-row { display: flex; align-items: center; gap: 10px; margin: 10px 0; }
.forum-attach-label { display: inline-block; padding: 6px 14px; border: 1px dashed var(--forum-accent); border-radius: 8px; color: var(--forum-accent); cursor: pointer; font-size: 13px; }
.forum-upload-hint { font-size: 12px; color: var(--forum-muted); }
.forum-image-preview { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.forum-image-preview .preview-item { position: relative; }
.forum-image-preview img { width: 72px; height: 72px; object-fit: cover; border-radius: 6px; border: 1px solid var(--forum-border); }
.forum-image-preview .preview-remove { position: absolute; top: -6px; right: -6px; width: 20px; height: 20px; border-radius: 50%; border: none; background: var(--forum-danger); color: #fff; cursor: pointer; font-size: 12px; line-height: 20px; padding: 0; }
.forum-primary-button { border: none; border-radius: 8px; background: var(--forum-accent); color: #fff; padding: 9px 20px; font-size: 14px; cursor: pointer; }
.forum-primary-button:hover { background: var(--forum-accent-dark); }
.forum-primary-button:disabled { opacity: .5; cursor: not-allowed; }
.forum-secondary-button { border: 1px solid var(--forum-border); border-radius: 8px; background: #fff; color: var(--forum-ink); padding: 8px 16px; font-size: 14px; cursor: pointer; }
.forum-secondary-button:hover { border-color: var(--forum-accent); color: var(--forum-accent); }
.forum-secondary-button:disabled { opacity: .5; cursor: not-allowed; }
.forum-button-full { width: 100%; margin-top: 12px; }
.forum-status { min-height: 20px; font-size: 13px; color: var(--forum-danger); margin: 8px 0 0; }

/* 发帖表单（在帖子列表视图内） */
.new-thread-panel { border: 1px solid var(--forum-border); border-radius: 12px; background: var(--forum-bg-soft); padding: 18px; margin-bottom: 16px; }
.new-thread-panel h3 { margin: 0 0 10px; font-size: 16px; }
.new-thread-panel input[type="text"], .new-thread-panel textarea { width: 100%; border: 1px solid var(--forum-border); border-radius: 8px; padding: 10px; font-size: 14px; font-family: inherit; margin-bottom: 10px; box-sizing: border-box; }

/* 分页 */
.forum-pager { display: flex; align-items: center; gap: 10px; margin: 16px 0; justify-content: center; }
.forum-pager button { border: 1px solid var(--forum-border); background: #fff; border-radius: 8px; padding: 6px 14px; cursor: pointer; color: var(--forum-ink); }
.forum-pager button:disabled { opacity: .4; cursor: not-allowed; }
.forum-pager .pager-info { font-size: 13px; color: var(--forum-muted); }

/* 弹层 */
.forum-modal { position: fixed; inset: 0; background: rgba(15, 23, 42, .45); display: flex; align-items: center; justify-content: center; z-index: 3000; padding: 16px; }
.forum-modal-panel { background: #fff; border-radius: 14px; padding: 24px; max-width: 520px; width: 100%; max-height: 85vh; overflow-y: auto; }
.forum-modal-panel h2 { margin: 0 0 12px; font-size: 18px; }
.forum-modal-panel h3 { font-size: 14px; margin: 12px 0 6px; }
.forum-guideline-body { font-size: 14px; line-height: 1.9; color: var(--forum-ink); }
.forum-guideline-body ol { padding-left: 20px; margin: 8px 0; }
.forum-realname-channels section { border: 1px solid var(--forum-border); border-radius: 10px; padding: 12px; margin-bottom: 10px; }
.forum-realname-note { font-size: 13px; color: var(--forum-muted); margin: 4px 0 8px; }
.forum-realname-channels input { margin-bottom: 8px; }
.forum-realname-channels a { color: var(--forum-accent); }

/* 管理端 */
.forum-admin-entry { margin-top: 20px; text-align: center; }
.forum-admin-search { display: flex; gap: 8px; margin-bottom: 12px; }
.forum-admin-search input { flex: 1; border: 1px solid var(--forum-border); border-radius: 8px; padding: 8px 12px; font-size: 14px; }
.forum-admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.forum-admin-table th, .forum-admin-table td { border: 1px solid var(--forum-border); padding: 8px 10px; text-align: left; }
.forum-admin-table th { background: var(--forum-bg-soft); color: var(--forum-muted); font-weight: 600; }
.realname-yes { color: var(--forum-accent); font-weight: 600; }
.realname-no { color: var(--forum-muted); }

@media (max-width: 640px) {
    .board-grid { grid-template-columns: 1fr; }
    .thread-row { flex-wrap: wrap; }
    .thread-row .thread-meta { white-space: normal; }
}