/* ==========================================================
   拾光随笔馆 · 温暖文艺风设计系统
   米白纸感底色 / 暖棕主色 / 桂花金点缀 / 衬线中文字体
   ========================================================== */

:root {
  --bg: #faf6ef;
  --card: #fffdf8;
  --border: #e8dfd0;
  --ink: #3d342c;
  --muted: #8a7d6d;
  --accent: #8b5e3c;
  --accent-soft: #a97f5c;
  --gold: #d9a441;
  --danger: #a0584f;
  --shadow: 0 4px 16px rgba(139, 94, 60, 0.08);
  --radius: 12px;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, SimSun, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--serif);
  background-color: var(--bg);
  /* 细密纸纹 */
  background-image: radial-gradient(rgba(139, 94, 60, 0.04) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--ink);
  line-height: 1.8;
  min-height: 100vh;
}

.hidden { display: none !important; }

.page {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ---------- 竖排「拾光」水印 ---------- */
.watermark {
  position: fixed;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-size: 13px;
  letter-spacing: 6px;
  color: rgba(139, 94, 60, 0.18);
  user-select: none;
  pointer-events: none;
}
@media (max-width: 900px) { .watermark { display: none; } }

/* ---------- 页头 ---------- */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 22px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}
.site-title h1 {
  font-size: 34px;
  letter-spacing: 6px;
  color: var(--accent);
  font-weight: 700;
}
.site-title h1::before { content: "「"; color: var(--gold); }
.site-title h1::after { content: "」"; color: var(--gold); }
.site-sub {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 3px;
  margin-top: 6px;
}
.header-actions { display: flex; gap: 10px; }

/* ---------- 按钮 ---------- */
.btn {
  font-family: var(--serif);
  font-size: 14px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-soft); }
.btn-outline { background: transparent; border-color: var(--accent); color: var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--accent); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }

/* ---------- 筛选栏 ---------- */
.filter-bar {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.tag-cloud { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; }
.chip-filter {
  font-family: var(--serif);
  cursor: pointer;
  user-select: none;
}
.chip-filter.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.search-input {
  width: 200px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}
.search-input:focus { border-color: var(--accent); }

/* ---------- 随笔卡片 ---------- */
.post-list { display: flex; flex-direction: column; gap: 20px; }
.post-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.post-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.post-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
  flex-wrap: wrap;
}
.post-title { font-size: 21px; margin-bottom: 8px; }
.post-title a { color: var(--ink); text-decoration: none; }
.post-title a:hover { color: var(--accent); }
.post-excerpt {
  color: #5d5245;
  font-size: 14px;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-tags { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 小标签 chips ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  white-space: nowrap;
}
.chip-weather { color: #7a6a3f; border-color: #e5d9b8; background: #fbf6e8; }
.chip-mood { color: #7a5c52; border-color: #e3d2c8; background: #faf3ef; }
.chip-tag {
  color: var(--accent);
  border-color: #e0d2bd;
  background: #f7f0e3;
  cursor: default;
  transition: all 0.2s;
}
button.chip-tag { font-family: var(--serif); cursor: pointer; }
button.chip-tag:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ---------- 详情页 ---------- */
.back-link {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
}
.back-link:hover { color: var(--accent); }
.post-detail {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 40px;
}
.post-detail .post-title { font-size: 26px; margin-bottom: 14px; }
.detail-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
  padding-bottom: 18px;
  margin-bottom: 24px;
  border-bottom: 1px dashed var(--border);
}
.detail-actions { margin-top: 32px; display: flex; gap: 10px; }

/* ---------- 编辑器 ---------- */
.editor-heading {
  font-size: 24px;
  color: var(--accent);
  letter-spacing: 3px;
  margin-bottom: 18px;
}
.form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
}
.form-field { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
  letter-spacing: 2px;
}
.label-note { color: #b3a692; letter-spacing: 0; font-size: 12px; }
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fffefa;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus { border-color: var(--accent); }
.form-textarea { min-height: 420px; line-height: 1.9; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }

.md-hint { margin-bottom: 18px; font-size: 13px; color: var(--muted); }
.md-hint summary { cursor: pointer; user-select: none; }
.md-hint code {
  font-family: Consolas, "Courier New", monospace;
  background: #f3ecdd;
  padding: 1px 6px;
  border-radius: 4px;
}
.md-hint-body {
  margin-top: 10px;
  line-height: 2.2;
  border-left: 2px solid var(--gold);
  padding-left: 12px;
}

/* ---------- Markdown 渲染 ---------- */
.markdown { font-size: 15.5px; }
.markdown h1, .markdown h2, .markdown h3 {
  margin: 1.4em 0 0.6em;
  color: var(--accent);
}
.markdown h1 { font-size: 22px; }
.markdown h2 { font-size: 19px; }
.markdown h3 { font-size: 17px; }
.markdown p { margin-bottom: 1em; }
.markdown ul, .markdown ol { margin: 0 0 1em 1.6em; }
.markdown li { margin-bottom: 0.2em; }
.markdown blockquote {
  border-left: 3px solid var(--gold);
  padding: 4px 16px;
  margin: 0 0 1em;
  color: var(--muted);
  background: #fbf6e8;
  border-radius: 0 8px 8px 0;
}
.markdown code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  background: #f3ecdd;
  padding: 2px 6px;
  border-radius: 4px;
}
.markdown pre {
  background: #2f2a24;
  color: #f0e8d8;
  padding: 16px 18px;
  border-radius: 10px;
  overflow-x: auto;
  margin-bottom: 1em;
}
.markdown pre code { background: none; padding: 0; color: inherit; font-size: 13px; }
.markdown a { color: var(--accent); }
.markdown hr { border: none; border-top: 1px dashed var(--border); margin: 1.6em 0; }
.markdown img { max-width: 100%; border-radius: 8px; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(61, 52, 44, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(2px);
}
.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 32px;
  width: 380px;
  max-width: 90vw;
  box-shadow: 0 12px 40px rgba(61, 52, 44, 0.18);
}
.modal-title { font-size: 18px; color: var(--accent); letter-spacing: 2px; margin-bottom: 8px; }
.modal-desc { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.form-error { color: var(--danger); font-size: 13px; margin-top: 8px; }
.about-stats { margin-top: 16px; border-top: 1px dashed var(--border); padding-top: 12px; }
.stat-item { display: flex; justify-content: space-between; padding: 4px 0; font-size: 14px; }
.stat-key { color: var(--muted); }
.stat-val { color: var(--accent); }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%);
  background: var(--ink);
  color: #faf6ef;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 200;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
  max-width: 80vw;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

/* ---------- 空态与页脚 ---------- */
.empty-tip { text-align: center; color: var(--muted); padding: 60px 0; }
.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  margin-top: 60px;
  letter-spacing: 2px;
  border-top: 1px dashed var(--border);
  padding-top: 24px;
}
.site-footer p + p { margin-top: 6px; }
.site-footer .icp { letter-spacing: 1px; }
.site-footer a { color: inherit; text-decoration: none; }
.site-footer a:hover { color: var(--accent); text-decoration: underline; }