/* 全体 */
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, "Hiragino Sans", "Noto Sans JP", sans-serif;
  background: #f5f5f5;
  color: #333;
}
.like {
  background: #f0f2f5;
  color: #666;
  font-weight: bold;
}
.badge.verified {
  display: inline-block;
  margin-left: 4px;
  color: #1d9bf0;
  font-size: 14px;
}
.reload-btn {
  display: block;
  margin: 0 auto 12px;
  padding: 8px 16px;
  border-radius: 20px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  background: #3498db;
  color: #fff;
}

.reload-btn:hover {
  opacity: 0.85;
}

/* ダークテーマ対応 */
body.dark .reload-btn {
  background: #2980b9;
}

.admin-name {
  color: #1d9bf0;
  font-weight: bold;
}

.like.active {
  background: #ff5a5f;
  color: #fff;
}

.like:hover {
  background: #ffd6d7;
}

.like.active:hover {
  background: #ff3b3f;
}
.post-form button,
.reply-form button {
  background: #1877f2;
  color: #fff;
}

.post-form button:hover,
.reply-form button:hover {
  background: #0f66d0;
}
body.dark button {
  background: #2f3336;
  color: #e7e9ea;
}

body.dark button:hover {
  background: #3a3f44;
}

body.dark .like {
  background: #2f3336;
  color: #aaa;
}

body.dark .like.active {
  background: #ff5a5f;
  color: #fff;
}
button {
  box-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

button:focus {
  outline: none;
}

/* 中央レイアウト */
.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 16px;
}

/* 投稿フォーム */
.post-form textarea {
  width: 100%;
  height: 80px;
  padding: 8px;
  box-sizing: border-box;
  resize: vertical;
}
/* 共通ボタン */
button {
  appearance: none;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 14px;
  cursor: pointer;
  background: #e4e6eb;
  color: #111;
  transition: background 0.2s, transform 0.05s, box-shadow 0.05s;
}

button:hover {
  background: #d8dadf;
}

button:active {
  transform: translateY(1px);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);
}

.post-form button {
  margin-top: 8px;
  padding: 6px 12px;
  cursor: pointer;
}

/* 投稿カード */
.post {
  background: #fff;
  margin: 12px 0;
  padding: 12px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* いいね */
.like-form {
  margin-top: 8px;
}

.like {
  border: none;
  background: none;
  cursor: pointer;
  font-size: 14px;
  color: #888;
}

.like.active {
  color: #e0245e;
  font-weight: bold;
}

/* リプ */
.reply {
  margin-top: 8px;
  padding: 8px;
  background: #f0f0f0;
  border-radius: 6px;
  font-size: 14px;
}

/* リプフォーム */
.reply-form textarea {
  width: 100%;
  height: 60px;
  margin-top: 6px;
  padding: 6px;
  box-sizing: border-box;
}

.reply-form button {
  margin-top: 4px;
}

/* ログアウト */
a {
  display: inline-block;
  margin-top: 16px;
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}
/* ログイン */
.login-form input {
  width: 100%;
  padding: 8px;
  margin: 6px 0;
  box-sizing: border-box;
}

.login-form button {
  width: 100%;
  margin-top: 8px;
  padding: 8px;
  cursor: pointer;
}
/* ===== テーマ変数 ===== */
:root {
  --bg: #f5f5f5;
  --card: #ffffff;
  --text: #333;
  --sub: #666;
  --border: #ddd;
}

body.dark {
  --bg: #0f1419;
  --card: #161b22;
  --text: #e6edf3;
  --sub: #9ba3af;
  --border: #30363d;
}

/* 全体 */
body {
  background: var(--bg);
  color: var(--text);
}

/* 投稿カード */
.post {
  background: var(--card);
  border: 1px solid var(--border);
}

/* リプ */
.reply {
  background: rgba(255,255,255,0.05);
}

/* textarea / input */
textarea,
input {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

textarea::placeholder,
input::placeholder {
  color: var(--sub);
}
.admin {
  color: #1d9bf0;
  font-weight: bold;
}

/* リンク */
a {
  color: #4ea1ff;
}