/* 簡易フォーラム。style.css のトークンを流用する。 */

.forum-main {
  min-height: calc(100svh - 220px);
}

.forum-section {
  padding-top: 52px;
}

.forum-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.forum-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.forum-chip {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 7px 14px;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.88);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.forum-chip:hover,
.forum-chip:focus-visible {
  color: var(--teal-deep);
  border-color: var(--teal);
  outline: none;
}

.forum-chip.is-active {
  color: #ffffff;
  background: var(--teal);
  border-color: var(--teal);
}

.forum-badge {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  border-radius: 5px;
  padding: 2px 9px;
  color: #ffffff;
  background: var(--teal);
  font-size: 0.74rem;
  font-weight: 700;
  line-height: 1.7;
}

.forum-badge-announce { background: var(--ink); }
.forum-badge-bug { background: var(--coral); }
.forum-badge-request { background: var(--gold); }
.forum-badge-question { background: var(--cyan); }
.forum-badge-chat { background: var(--teal); }

.forum-thread-list,
.forum-post-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.forum-thread-list li + li {
  margin-top: 10px;
}

.forum-thread-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 6px 18px rgba(18, 44, 68, 0.06);
  transition: border-color 0.16s ease, transform 0.16s ease;
}

.forum-thread-link:hover,
.forum-thread-link:focus-visible {
  border-color: var(--teal);
  transform: translateY(-1px);
  outline: none;
}

.forum-thread-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 700;
  line-height: 1.5;
}

.forum-thread-meta {
  color: var(--ink-muted);
  font-size: 0.82rem;
}

.forum-breadcrumb {
  margin-bottom: 18px;
  font-size: 0.9rem;
}

.forum-thread-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.forum-thread-head h3 {
  margin: 0;
  font-size: 1.4rem;
  line-height: 1.4;
}

.forum-post {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.88);
}

.forum-post + .forum-post {
  margin-top: 10px;
}

.forum-post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 0.82rem;
}

.forum-post-no::before {
  content: "No.";
}

.forum-post-no,
.forum-post-id,
.forum-post-time {
  color: var(--ink-muted);
  font-family: var(--font-mono);
}

.forum-post-name {
  color: var(--teal-deep);
  font-weight: 700;
}

/* 管理人投稿(サーバー検証済み is_admin のみ)。名前赤+バッジ。 */
.forum-post-name.is-admin {
  color: var(--coral);
}

.forum-post-id.is-admin {
  color: var(--coral);
  font-weight: 700;
}

.forum-post-body {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 0.96rem;
}

.forum-post-actions,
.forum-post-edit-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.forum-post-actions {
  margin-top: 12px;
}

.forum-post-action {
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 5px 10px;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.9);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

.forum-post-action:hover,
.forum-post-action:focus-visible {
  color: var(--teal-deep);
  border-color: var(--teal);
  outline: none;
}

.forum-post-action-danger:hover,
.forum-post-action-danger:focus-visible {
  color: var(--coral);
  border-color: var(--coral);
}

.forum-post-edit-form {
  margin-top: 12px;
}

.forum-post-edit-form textarea {
  width: 100%;
  min-height: 120px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 9px 12px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
  font-size: 0.95rem;
  resize: vertical;
}

.forum-post-edit-form textarea:focus-visible {
  border-color: var(--teal);
  outline: 2px solid rgba(15, 157, 146, 0.24);
  outline-offset: 0;
}

.forum-post-edit-actions {
  margin-top: 8px;
}

.forum-edit-cancel {
  color: var(--ink);
  background: rgba(16, 35, 56, 0.06);
  border-color: var(--line-strong);
}

.forum-form {
  margin: 0 0 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 10px 28px rgba(18, 44, 68, 0.08);
}

#reply-form {
  margin: 22px 0 0;
}

.forum-form h3 {
  margin-bottom: 14px;
  font-size: 1.08rem;
}

.forum-form-row {
  margin-bottom: 14px;
}

.forum-form-row label {
  display: block;
  margin-bottom: 4px;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 700;
}

.forum-form-row input,
.forum-form-row select,
.forum-form-row textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 9px 12px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
  font-size: 0.95rem;
}

.forum-form-row textarea {
  resize: vertical;
}

.forum-form-row input:focus-visible,
.forum-form-row select:focus-visible,
.forum-form-row textarea:focus-visible {
  border-color: var(--teal);
  outline: 2px solid rgba(15, 157, 146, 0.24);
  outline-offset: 0;
}

.forum-form-actions {
  display: flex;
  justify-content: flex-end;
}

/* honeypot。視覚・支援技術の双方から隠す(bot だけが埋める)。 */
.forum-hp {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.forum-empty {
  color: var(--ink-muted);
}

/* 管理キー保持時の状態バッジ(見出し横)。 */
.forum-admin-status[hidden] {
  display: none;
}

.forum-admin-status {
  display: inline-block;
  vertical-align: middle;
  margin-left: 10px;
  border-radius: 999px;
  padding: 3px 12px;
  color: var(--ink-muted);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line-strong);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.7;
}

.forum-admin-status.is-valid {
  color: #ffffff;
  background: var(--coral);
  border-color: var(--coral);
}

.forum-admin-status.is-invalid {
  color: var(--coral);
  border-color: var(--coral);
  background: rgba(216, 104, 74, 0.08);
}

/* 管理人向けの投稿オプション(Markdown 指定・プレビュー)。既定は hidden で JS が開く。 */
.forum-admin-only {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.forum-admin-only[hidden] {
  display: none;
}

.forum-form-row label.forum-check {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 0;
  cursor: pointer;
}

.forum-check input {
  width: auto;
  margin: 0;
}

.forum-preview-toggle {
  padding: 6px 14px;
  font-size: 0.84rem;
}

.forum-preview {
  margin-bottom: 14px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  padding: 14px 16px;
  background: var(--surface-soft);
}

.forum-preview[hidden] {
  display: none;
}

/* ------------------------------------------------------ Markdown 本文の体裁 */
/* 素のテキスト投稿は .forum-post-body の pre-wrap のまま。markdown はブロック要素で
   段落が組まれるので、pre-wrap を解除して通常の折り返しへ戻す。 */
.forum-post-body.is-markdown {
  white-space: normal;
}

.forum-post-body.is-markdown .md-p {
  margin: 0 0 0.85em;
}

.forum-post-body.is-markdown .md-heading {
  margin: 1.4em 0 0.5em;
  color: var(--ink);
  line-height: 1.4;
}

.forum-post-body.is-markdown .md-h1 {
  border-bottom: 2px solid var(--line-strong);
  padding-bottom: 0.25em;
  font-size: 1.18rem;
}

.forum-post-body.is-markdown .md-h2 {
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.2em;
  font-size: 1.06rem;
}

.forum-post-body.is-markdown .md-h3 {
  font-size: 0.99rem;
}

.forum-post-body.is-markdown .md-h4,
.forum-post-body.is-markdown .md-h5,
.forum-post-body.is-markdown .md-h6 {
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.forum-post-body.is-markdown .md-list {
  margin: 0 0 0.85em;
  padding-left: 1.5em;
}

.forum-post-body.is-markdown .md-list .md-list {
  margin: 0.3em 0 0.2em;
}

.forum-post-body.is-markdown li {
  margin-bottom: 0.25em;
}

.forum-post-body.is-markdown .md-quote {
  margin: 0 0 0.85em;
  border-left: 3px solid var(--teal);
  padding: 0.1em 0 0.1em 0.9em;
  color: var(--ink-soft);
}

.forum-post-body.is-markdown .md-hr {
  margin: 1.3em 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.forum-post-body.is-markdown .md-code {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.1em 0.36em;
  background: var(--surface-soft);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.forum-post-body.is-markdown .md-pre {
  margin: 0 0 0.85em;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  overflow-x: auto;
  background: var(--surface-soft);
}

.forum-post-body.is-markdown .md-pre code {
  border: 0;
  padding: 0;
  background: none;
  font-family: var(--font-mono);
  font-size: 0.88em;
  white-space: pre;
}

/* 幅の広い表でページごと横スクロールしないよう、表だけをスクロールさせる。 */
.forum-post-body.is-markdown .md-table-wrap {
  margin: 0 0 0.95em;
  overflow-x: auto;
}

.forum-post-body.is-markdown .md-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.92rem;
}

.forum-post-body.is-markdown .md-table th,
.forum-post-body.is-markdown .md-table td {
  border: 1px solid var(--line);
  padding: 6px 10px;
  text-align: left;
  vertical-align: top;
}

.forum-post-body.is-markdown .md-table th {
  background: var(--surface-soft);
  white-space: nowrap;
  font-weight: 700;
}

.forum-post-body.is-markdown .md-al-center {
  text-align: center;
}

.forum-post-body.is-markdown .md-al-right {
  text-align: right;
}

.forum-post-body.is-markdown .md-link {
  color: var(--teal-deep);
  overflow-wrap: anywhere;
}

.forum-post-body.is-markdown .md-image {
  max-width: 100%;
  height: auto;
}

/* 前後の余白落とし。`> :first-child` は要素側の規則(.md-heading 等)と同特異度なので、
   後勝ちさせるためにこのブロックの最後へ置く。順序を動かすと効かなくなる。 */
.forum-post-body.is-markdown > :first-child {
  margin-top: 0;
}

.forum-post-body.is-markdown > :last-child {
  margin-bottom: 0;
}

@media (max-width: 720px) {
  .forum-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .forum-new-button {
    width: 100%;
  }
}