/* ── CakeBook 蛋糕日記 ── 柔和溫暖調 ── */
:root {
  --bg: #faf5ee;
  --card: #fffdf9;
  --ink: #4a3f35;
  --ink-soft: #8a7a6b;
  --accent: #d98e73;        /* 焦糖粉 */
  --accent-deep: #c2704f;
  --accent-soft: #f6e3d7;
  --line: #eee2d4;
  --shadow: 0 2px 10px rgba(120, 90, 60, 0.08);
  --radius: 14px;
}
/* FB 配色 */
:root[data-theme="fb"] {
  --bg: #f0f2f5;
  --card: #ffffff;
  --ink: #050505;
  --ink-soft: #65676b;
  --accent: #1877f2;
  --accent-deep: #1256ad;
  --accent-soft: #e7f0fe;
  --line: #dddfe2;
  --shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}
/* 夜晚配色 */
:root[data-theme="night"] {
  --bg: #18191a;
  --card: #242526;
  --ink: #e4e6eb;
  --ink-soft: #b0b3b8;
  --accent: #c98a5e;
  --accent-deep: #e0a982;
  --accent-soft: #3a2f28;
  --line: #3e4042;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}
:root[data-theme="night"] .topbar { background: rgba(36, 37, 38, 0.94); }
:root[data-theme="night"] .login-wrap { background: linear-gradient(160deg, #232120, #2a2321 60%, #302622); }
:root[data-theme="fb"] .login-wrap { background: linear-gradient(160deg, #e7f0fe, #f0f2f5 60%, #dbe7f6); }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
.hidden { display: none !important; }
[hidden] { display: none !important; }
button { font-family: inherit; font-size: 15px; cursor: pointer; }
input, textarea { font-family: inherit; font-size: 16px; color: var(--ink); }

/* ── 登入 ── */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #fdf1e3, #f9e8e0 60%, #f5ddd2);
}
.login-card {
  background: var(--card); border-radius: 22px; box-shadow: var(--shadow);
  padding: 48px 44px; text-align: center; width: min(360px, 90vw);
}
.login-logo { font-size: 52px; }
.login-card h1 { margin: 8px 0 4px; font-size: 26px; letter-spacing: 2px; }
.login-sub { color: var(--ink-soft); font-size: 14px; margin: 0 0 24px; }
.login-card input {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 12px;
  text-align: center; letter-spacing: 6px; font-size: 20px; outline: none;
}
.login-card input:focus { border-color: var(--accent); }
.login-card button {
  width: 100%; margin-top: 14px; padding: 12px; border: none; border-radius: 12px;
  background: var(--accent); color: #fff; font-size: 17px; letter-spacing: 4px;
  transition: background .2s;
}
.login-card button:hover { background: var(--accent-deep); }
.login-error { color: #b3543f; font-size: 14px; margin: 12px 0 0; }

/* ── 頂欄 ── */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 253, 249, 0.94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1180px; margin: 0 auto; padding: 10px 20px;
  display: flex; align-items: center; gap: 18px;
}
.brand { font-size: 20px; font-weight: 700; white-space: nowrap; }
.brand span { letter-spacing: 2px; }
.search-box { flex: 1; display: flex; justify-content: center; }
.search-box input {
  width: min(420px, 100%); padding: 9px 16px; border: 1.5px solid var(--line);
  border-radius: 999px; background: var(--bg); outline: none;
}
.search-box input:focus { border-color: var(--accent); background: #fff; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.role-badge {
  background: var(--accent-soft); color: var(--accent-deep);
  padding: 4px 12px; border-radius: 999px; font-size: 13px; white-space: nowrap;
}
.ghost-btn {
  background: none; border: 1px solid var(--line); border-radius: 999px;
  padding: 5px 14px; color: var(--ink-soft);
}
.ghost-btn:hover { border-color: var(--accent); color: var(--accent-deep); }

/* ── 三欄布局 ── */
.layout {
  max-width: 1180px; margin: 22px auto; padding: 0 20px;
  display: grid; grid-template-columns: 230px minmax(0, 1fr) 230px; gap: 24px;
  align-items: start;
}
.sidebar { position: sticky; top: 76px; }
.panel {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px 18px; margin-bottom: 18px;
}
.panel h2 { font-size: 14px; color: var(--ink-soft); margin: 0 0 10px; letter-spacing: 2px; }

.archive-list { max-height: 60vh; overflow-y: auto; }
.archive-year { font-weight: 700; margin-top: 8px; font-size: 15px; }
.archive-month {
  display: flex; justify-content: space-between; padding: 4px 8px; border-radius: 8px;
  color: var(--ink); text-decoration: none; font-size: 14.5px; cursor: pointer;
}
.archive-month:hover, .archive-month.active { background: var(--accent-soft); color: var(--accent-deep); }
.archive-month .n { color: var(--ink-soft); font-size: 13px; }

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-chip {
  background: var(--bg); border: 1px solid var(--line); border-radius: 999px;
  padding: 3px 12px; font-size: 13.5px; cursor: pointer; color: var(--ink);
}
.tag-chip:hover, .tag-chip.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-deep); }

.tool-row {
  display: block; width: 100%; text-align: left; background: none; border: none;
  padding: 8px 6px; border-radius: 8px; font-size: 15px; color: var(--ink);
}
.tool-row:hover { background: var(--accent-soft); }

/* ── 動態卡片 ── */
.card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px 20px; margin-bottom: 18px;
}
.filter-banner {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--accent-soft); border-radius: var(--radius);
  padding: 10px 16px; margin-bottom: 16px; color: var(--accent-deep);
}

/* 發文框 */
.composer textarea {
  width: 100%; border: none; resize: none; outline: none; background: transparent;
  font-size: 17px; line-height: 1.8; min-height: 56px; max-height: 45vh; overflow-y: auto;
  color: var(--ink);
}
.composer-tools {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  border-top: 1px solid var(--line); padding-top: 12px; margin-top: 8px;
}
.tool-btn {
  cursor: pointer; padding: 6px 12px; border-radius: 8px; font-size: 14.5px;
  color: var(--ink-soft);
}
.tool-btn:hover { background: var(--accent-soft); color: var(--accent-deep); }
.tags-input, .date-input {
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font-size: 14px;
  background: var(--bg); outline: none;
}
.tags-input { flex: 1; min-width: 120px; }
.tags-input:focus, .date-input:focus { border-color: var(--accent); }
.draft-status { font-size: 12.5px; color: var(--ink-soft); margin-left: auto; }
.primary-btn {
  background: var(--accent); color: #fff; border: none; border-radius: 10px;
  padding: 8px 26px; font-size: 15.5px; transition: background .2s;
}
.primary-btn:hover { background: var(--accent-deep); }
.primary-btn:disabled { opacity: .5; cursor: default; }

.previews { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.previews .pv { position: relative; }
.previews img { width: 92px; height: 92px; object-fit: cover; border-radius: 10px; }
.previews .pv button {
  position: absolute; top: -6px; right: -6px; width: 22px; height: 22px; border-radius: 50%;
  border: none; background: var(--ink); color: #fff; font-size: 12px; line-height: 1;
}
.pv.uploading img { opacity: .45; }

/* 貼文 */
.post-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.post-date { font-weight: 700; font-size: 15.5px; color: var(--accent-deep); }
.post-edited { font-size: 12.5px; color: var(--ink-soft); }
.post-menu { margin-left: auto; position: relative; }
.post-menu > button { background: none; border: none; font-size: 18px; color: var(--ink-soft); padding: 2px 8px; border-radius: 8px; }
.post-menu > button:hover { background: var(--accent-soft); }
.post-menu .menu {
  position: absolute; right: 0; top: 28px; background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; box-shadow: var(--shadow); z-index: 5; min-width: 110px; overflow: hidden;
}
.post-menu .menu button { display: block; width: 100%; border: none; background: none; padding: 9px 16px; text-align: left; }
.post-menu .menu button:hover { background: var(--accent-soft); }
.post-body { white-space: pre-wrap; word-break: break-word; font-size: 16.5px; }
.post-body a { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; }
.post-tags { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }

/* 圖片格 */
.img-grid { display: grid; gap: 6px; margin-top: 12px; border-radius: 12px; overflow: hidden; }
.img-grid img { width: 100%; height: 100%; object-fit: cover; display: block; cursor: zoom-in; background: var(--accent-soft); }
.img-grid.n1 { grid-template-columns: 1fr; }
.img-grid.n1 img { max-height: 520px; object-fit: contain; background: var(--bg); }
.img-grid.n2 { grid-template-columns: 1fr 1fr; }
.img-grid.n2 img { aspect-ratio: 1; }
.img-grid.n3 { grid-template-columns: 1fr 1fr 1fr; }
.img-grid.n3 img { aspect-ratio: 1; }
.img-grid.nmore { grid-template-columns: 1fr 1fr 1fr; }
.img-grid.nmore img { aspect-ratio: 1; }
.img-grid .more-wrap { position: relative; }
.img-grid .more-overlay {
  position: absolute; inset: 0; background: rgba(60, 40, 25, .45); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 26px; cursor: zoom-in;
}

/* 留言 */
.comments { border-top: 1px solid var(--line); margin-top: 14px; padding-top: 10px; }
.comment { display: flex; gap: 10px; margin-bottom: 8px; align-items: flex-start; }
.comment .avatar {
  width: 32px; height: 32px; border-radius: 50%; background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0;
}
.comment .bubble { background: var(--bg); border-radius: 14px; padding: 7px 14px; max-width: 100%; }
.comment .who { font-size: 13px; font-weight: 700; color: var(--accent-deep); }
.comment .bubble p { margin: 2px 0 0; white-space: pre-wrap; word-break: break-word; font-size: 15px; }
.comment .del { background: none; border: none; color: var(--ink-soft); font-size: 12px; padding: 2px 6px; }
.comment .del:hover { color: #b3543f; }
.comment-box { display: flex; gap: 8px; margin-top: 8px; }
.comment-box input {
  flex: 1; border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px;
  background: var(--bg); outline: none; font-size: 15px;
}
.comment-box input:focus { border-color: var(--accent); }

/* 編輯模式 */
.edit-area textarea {
  width: 100%; border: 1.5px solid var(--line); border-radius: 10px; padding: 10px;
  font-size: 16px; line-height: 1.7; outline: none; resize: vertical; min-height: 100px;
}
.edit-area textarea:focus { border-color: var(--accent); }
.edit-actions { display: flex; gap: 10px; margin-top: 10px; align-items: center; flex-wrap: wrap; }

/* 燈箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 100; background: rgba(35, 25, 18, .92);
  display: flex; align-items: center; justify-content: center;
}
.lightbox img { max-width: 92vw; max-height: 92vh; border-radius: 6px; }
.lightbox button {
  position: absolute; background: none; border: none; color: #fff; font-size: 34px; padding: 16px;
  opacity: .8;
}
.lightbox button:hover { opacity: 1; }
.lb-close { top: 10px; right: 16px; }
.lb-prev { left: 10px; top: 50%; transform: translateY(-50%); font-size: 48px; }
.lb-next { right: 10px; top: 50%; transform: translateY(-50%); font-size: 48px; }

/* 對話框 */
.dlg {
  border: none; border-radius: 18px; box-shadow: var(--shadow); padding: 26px 30px;
  width: min(440px, 92vw); background: var(--card); color: var(--ink);
}
.dlg-wide { width: min(720px, 94vw); }
.dlg::backdrop { background: rgba(60, 40, 25, .35); }
.dlg h2 { margin: 0 0 14px; font-size: 19px; }
.dlg-row { display: block; margin: 10px 0; font-size: 15.5px; }
.dlg-sub { display: inline-flex; gap: 6px; align-items: center; margin-left: 8px; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.dlg-status { color: var(--accent-deep); font-size: 14px; min-height: 1.2em; margin: 10px 0 0; }
.dlg-help { color: var(--ink-soft); font-size: 14px; margin-top: 0; }

.import-preview { max-height: 46vh; overflow-y: auto; margin-top: 14px; }
.import-item { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin-bottom: 10px; }
.import-item .row1 { display: flex; gap: 10px; align-items: center; }
.import-item textarea {
  width: 100%; margin-top: 8px; border: 1px solid var(--line); border-radius: 8px;
  padding: 8px; font-size: 14.5px; resize: vertical;
}
.import-item .src { color: var(--ink-soft); font-size: 12.5px; margin-left: auto; }

/* 主題切換鈕 */
.theme-btn {
  background: none; border: 1px solid var(--line); border-radius: 999px;
  width: 34px; height: 34px; font-size: 16px; line-height: 1; padding: 0;
}
.theme-btn:hover { border-color: var(--accent); }

/* 垃圾桶 */
.trash-item { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin-bottom: 10px; }
.trash-item .t-body { color: var(--ink); font-size: 15px; white-space: pre-wrap; word-break: break-word; max-height: 72px; overflow: hidden; }
.trash-item .t-meta { color: var(--ink-soft); font-size: 12.5px; margin-top: 6px; display: flex; gap: 12px; align-items: center; }
.trash-item .t-meta button { margin-left: auto; }

/* 釘選 */
.pin-badge { font-size: 13px; color: var(--accent-deep); background: var(--accent-soft); border-radius: 999px; padding: 2px 10px; }
.post.pinned-card { border: 1.5px solid var(--accent); }

/* 長文摺疊 */
.post-body.clamped { max-height: 480px; overflow: hidden; position: relative; }
.post-body.clamped::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 60px;
  background: linear-gradient(transparent, var(--card));
}
.show-more { background: none; border: none; color: var(--accent-deep); padding: 6px 0; font-size: 15px; }

.sentinel { height: 10px; }
.empty-state { text-align: center; color: var(--ink-soft); padding: 40px 0; }
.loading-more { text-align: center; color: var(--ink-soft); padding: 12px; font-size: 14px; }

/* ── 響應式 ── */
@media (max-width: 980px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: static; }
  .sidebar.left { order: 2; }
  .sidebar.right { order: 3; }
  .feed { order: 1; }
}
@media (max-width: 560px) {
  .topbar-inner { flex-wrap: wrap; gap: 8px; padding: 8px 12px; }
  .search-box { order: 3; width: 100%; }
  .layout { padding: 0 10px; margin-top: 14px; }
  .card { padding: 14px; }
}