/* ============================================================
   个人主页 / 日记本 —— 样式（宜家配色）
   蓝 #0058A3  黄 #FFDB00  白 #FFFFFF  浅灰 #F5F5F5
   ============================================================ */

:root {
  --blue: #0058A3;
  --blue-dark: #003E76;
  --blue-light: #E7F0F9;
  --blue-line: #CBDDEC;
  --yellow: #FFDB00;
  --yellow-light: #FFF7CC;
  --text: #111111;
  --muted: #6B6B6B;
  --line: #E3E3E3;
  --bg: #F5F5F5;
  --card: #FFFFFF;

  --font-serif: "Source Han Serif SC", "Noto Serif SC", "思源宋体", "Songti SC", STSong, SimSun, serif;
  --font-sans: "Source Han Sans SC", "Noto Sans SC", "思源黑体", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-kai: "LXGW WenKai", "霞鹜文楷", "Kaiti SC", KaiTi, STKaiti, var(--font-serif);

  --radius: 8px;
  --radius-lg: 12px;
  --wrap: 1080px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
}

body[data-font="serif"] .prose { font-family: var(--font-serif); }
body[data-font="kai"] .prose { font-family: var(--font-kai); }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button { font-family: inherit; font-size: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* ---------------- 顶栏 ---------------- */

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
}
.topbar-in {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.brand-mark {
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  letter-spacing: .5px;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 15px;
  white-space: nowrap;
}
.brand-title {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 19px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.brand-sub { color: var(--muted); font-size: 13px; }
.topnav { margin-left: auto; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.topnav a, .topnav button.link {
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--text);
  font-size: 15px;
  background: none;
  border: 0;
}
.topnav a:hover, .topnav button.link:hover { background: var(--blue-light); text-decoration: none; }
.topnav a.active { background: var(--blue); color: #fff; }
.me-chip { font-size: 13px; color: var(--muted); padding: 6px 4px; }

/* ---------------- 通用按钮 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--blue);
  background: var(--blue);
  color: #fff;
  font-size: 15px;
  line-height: 1.2;
  transition: .15s;
}
.btn:hover { background: var(--blue-dark); border-color: var(--blue-dark); text-decoration: none; }
.btn.ghost { background: #fff; color: var(--blue); }
.btn.ghost:hover { background: var(--blue-light); }
.btn.yellow { background: var(--yellow); border-color: var(--yellow); color: #1a1a1a; font-weight: 600; }
.btn.yellow:hover { background: #FFD000; border-color: #FFD000; }
.btn.subtle { background: #fff; border-color: var(--line); color: var(--text); }
.btn.subtle:hover { background: #F2F2F2; }
.btn.danger { background: #fff; border-color: #E5B9B9; color: #B3261E; }
.btn.danger:hover { background: #FDF1F1; }
.btn.sm { padding: 5px 12px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------------- 首页 ---------------- */

.hero {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 30px 0 26px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  margin: 0 0 8px;
  letter-spacing: .5px;
}
.hero p { margin: 0; color: var(--muted); max-width: 620px; }
.hero-meta { margin-top: 14px; display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.hero-meta b { color: var(--blue); font-weight: 700; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 20px 0 12px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; }
.chip {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 14px;
  color: var(--text);
}
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.chip .n { color: var(--muted); font-size: 12px; margin-left: 4px; }
.chip.on .n { color: #CFE2F3; }

.searchbox { display: flex; gap: 6px; }
.searchbox input {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  width: 180px;
  background: #fff;
}
.searchbox input:focus { outline: 2px solid var(--blue); outline-offset: 0; border-color: transparent; }

.post-list { display: grid; gap: 14px; margin: 8px 0 30px; }
.post-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: block;
  color: inherit;
  transition: .15s;
}
.post-card:hover { border-color: var(--blue); text-decoration: none; }
.post-card h2 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 8px;
  line-height: 1.45;
}
.post-card .excerpt { color: #333; margin: 0 0 10px; font-size: 15px; }
.post-meta { color: var(--muted); font-size: 13px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.tag {
  background: var(--blue-light);
  color: var(--blue-dark);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 12px;
}
.tag.y { background: var(--yellow); color: #1a1a1a; }
.thumbs { display: flex; gap: 8px; margin: 12px 0 0; }
.thumbs img { width: 96px; height: 72px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); }

.pager { display: flex; gap: 8px; justify-content: center; align-items: center; padding: 0 0 40px; }

/* ---------------- 文章页 ---------------- */

.article { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px 34px; margin: 24px 0; }
.article h1 {
  font-family: var(--font-serif);
  font-size: clamp(23px, 3.4vw, 30px);
  font-weight: 800;
  line-height: 1.5;
  margin: 0 0 12px;
}
.article .post-meta { padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
.prose { font-size: 17px; line-height: 1.95; color: #1a1a1a; }
.prose p { margin: 0 0 1.1em; text-indent: 2em; }
.prose h2, .prose h3, .prose h4 { font-family: var(--font-serif); font-weight: 800; margin: 1.6em 0 .6em; line-height: 1.5; text-indent: 0; }
.prose h2 { font-size: 22px; } .prose h3 { font-size: 19px; } .prose h4 { font-size: 17px; }
.prose ul, .prose ol { padding-left: 1.5em; margin: 0 0 1.1em; }
.prose li { margin: .3em 0; }
.prose blockquote {
  margin: 1.2em 0;
  padding: 12px 18px;
  background: var(--blue-light);
  border-left: 4px solid var(--blue);
  border-radius: 0 6px 6px 0;
}
.prose blockquote p { text-indent: 0; margin: 0; }
.prose img { border-radius: 8px; margin: 1.2em auto; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }
.prose code { background: #F2F2F2; padding: 2px 6px; border-radius: 4px; font-size: .92em; }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; margin: 22px 0 0; }
.gallery img { border-radius: 8px; border: 1px solid var(--line); cursor: zoom-in; }

.article-nav { display: flex; justify-content: space-between; gap: 12px; margin: 0 0 24px; flex-wrap: wrap; }
.article-nav a { flex: 1 1 240px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; color: inherit; }
.article-nav a:hover { border-color: var(--blue); text-decoration: none; }
.article-nav small { display: block; color: var(--muted); font-size: 12px; }

/* ---------------- 留言 ---------------- */

.comments { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px 34px 30px; margin-bottom: 40px; }
.comments h2 { font-family: var(--font-serif); font-size: 20px; font-weight: 800; margin: 0 0 16px; }
.cmt { border-top: 1px solid var(--line); padding: 14px 0; }
.cmt:first-of-type { border-top: 0; }
.cmt-head { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 13px; margin-bottom: 4px; }
.cmt-name { color: var(--text); font-weight: 600; font-size: 14px; }
.cmt-body { white-space: pre-wrap; word-break: break-word; font-size: 15px; }
.cmt.reply { margin-left: 18px; background: var(--yellow-light); border-radius: 8px; padding: 12px 14px; border-top: 0; }
.cmt-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  min-height: 96px;
  resize: vertical;
}
.cmt-form textarea:focus { outline: 2px solid var(--blue); border-color: transparent; }
.cmt-form-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 10px; flex-wrap: wrap; }

.notice {
  background: var(--yellow-light);
  border: 1px solid var(--yellow);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 16px;
}
.notice.blue { background: var(--blue-light); border-color: var(--blue-line); }
.empty { text-align: center; color: var(--muted); padding: 50px 0; }

/* ---------------- 弹窗 ---------------- */

.modal-mask {
  position: fixed; inset: 0; background: rgba(17, 17, 17, .45);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 100;
}
.modal { background: #fff; border-radius: var(--radius-lg); padding: 26px; width: 100%; max-width: 400px; }
.modal h3 { font-family: var(--font-serif); font-size: 19px; margin: 0 0 16px; }
.modal .field { margin-bottom: 14px; }
.modal .row-btns { display: flex; gap: 10px; margin-top: 18px; }

label.lb { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.inp, textarea.inp, select.inp {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  background: #fff;
}
.inp:focus { outline: 2px solid var(--blue); border-color: transparent; }
.form-err { color: #B3261E; font-size: 13px; min-height: 18px; margin-top: 8px; }
.switch { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.switch input { width: 18px; height: 18px; accent-color: var(--blue); }
.tabs-line { display: flex; gap: 6px; border-bottom: 1px solid var(--line); margin-bottom: 18px; overflow-x: auto; }
.tabs-line button { background: none; border: 0; border-bottom: 3px solid transparent; padding: 8px 12px; color: var(--muted); white-space: nowrap; }
.tabs-line button.on { color: var(--blue); border-bottom-color: var(--blue); font-weight: 600; }

/* ---------------- 页脚 ---------------- */

.footer { background: var(--blue); color: #fff; padding: 26px 0; margin-top: auto; }
.footer a { color: #fff; text-decoration: underline; }
.footer .inner { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 13.5px; }
.footer .yellow-line { height: 6px; background: var(--yellow); }

.layout { min-height: 100vh; display: flex; flex-direction: column; }
.main { flex: 1; }

/* ---------------- 后台 ---------------- */

.admin-shell { display: flex; min-height: 100vh; background: var(--bg); }
.admin-side {
  width: 208px; flex: 0 0 208px; background: var(--blue); color: #fff; padding: 18px 0; display: flex; flex-direction: column;
}
.admin-side .logo { padding: 0 18px 16px; font-family: var(--font-serif); font-weight: 800; font-size: 17px; border-bottom: 1px solid rgba(255,255,255,.25); margin-bottom: 12px; }
.admin-side .logo small { display: block; font-family: var(--font-sans); font-weight: 400; font-size: 12px; color: #BFD8EE; margin-top: 4px; }
.admin-side nav { display: flex; flex-direction: column; }
.admin-side nav button {
  background: none; border: 0; color: #E4EFF8; text-align: left; padding: 10px 18px; font-size: 15px; border-left: 4px solid transparent;
}
.admin-side nav button:hover { background: rgba(255,255,255,.12); }
.admin-side nav button.on { background: rgba(255,255,255,.18); border-left-color: var(--yellow); color: #fff; font-weight: 600; }
.admin-side .side-foot { margin-top: auto; padding: 14px 18px; font-size: 12.5px; color: #BFD8EE; }
.admin-main { flex: 1; min-width: 0; padding: 22px 26px 60px; }
.admin-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.admin-head h1 { font-family: var(--font-serif); font-size: 22px; margin: 0; font-weight: 800; }
.admin-head .sp { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 18px; }
.panel h2 { font-size: 16px; margin: 0 0 14px; font-weight: 600; }
.grid-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat .k { color: var(--muted); font-size: 13px; }
.stat .v { font-size: 26px; font-weight: 700; color: var(--blue); line-height: 1.3; }
.stat.hl { background: var(--yellow-light); border-color: var(--yellow); }
.stat.hl .v { color: #7A6400; }

table.tb { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.tb th, table.tb td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.tb th { color: var(--muted); font-weight: 500; font-size: 13px; white-space: nowrap; }
table.tb tr:hover td { background: #FAFAFA; }
.tb-wrap { overflow-x: auto; }
.td-act { white-space: nowrap; display: flex; gap: 6px; }
.badge { display: inline-block; border-radius: 999px; padding: 2px 10px; font-size: 12px; }
.badge.ok { background: #E4F3E7; color: #23692F; }
.badge.wait { background: var(--yellow-light); color: #7A6400; }
.badge.off { background: #F0F0F0; color: #6B6B6B; }
.badge.adm { background: var(--blue-light); color: var(--blue-dark); }

.frow { display: grid; grid-template-columns: 130px 1fr; gap: 12px; align-items: center; margin-bottom: 12px; }
.frow > label { color: var(--muted); font-size: 14px; }
.hint { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.editor-area { min-height: 340px; font-family: var(--font-serif); font-size: 16.5px; line-height: 1.9; }
.img-strip { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.img-strip .it { position: relative; }
.img-strip img { width: 92px; height: 92px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); }
.img-strip .del {
  position: absolute; top: -6px; right: -6px; width: 22px; height: 22px; border-radius: 50%;
  background: #B3261E; color: #fff; border: 2px solid #fff; font-size: 12px; line-height: 1; padding: 0;
}
.dropzone {
  border: 1px dashed var(--blue-line); background: var(--blue-light); border-radius: var(--radius);
  padding: 16px; text-align: center; color: var(--blue-dark); font-size: 14px; cursor: pointer;
}
.dropzone.on { border-color: var(--blue); background: #D9E9F7; }

.bars { display: flex; align-items: flex-end; gap: 10px; height: 110px; padding: 8px 0; }
.bars .b { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 6px; height: 100%; }
.bars .b i { display: block; width: 100%; max-width: 42px; background: var(--blue); border-radius: 4px 4px 0 0; min-height: 3px; }
.bars .b span { font-size: 11.5px; color: var(--muted); }

.pv { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; max-height: 520px; overflow: auto; }

.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--blue); padding: 20px; }
.login-card { background: #fff; border-radius: var(--radius-lg); padding: 30px; width: 100%; max-width: 380px; }
.login-card h1 { font-family: var(--font-serif); font-size: 22px; margin: 0 0 6px; }
.login-card p.s { color: var(--muted); font-size: 13.5px; margin: 0 0 20px; }
.login-card .yellow { height: 6px; background: var(--yellow); border-radius: 3px; width: 60px; margin-bottom: 18px; }

/* ---------------- 手机端 ---------------- */

.mobile-bar { display: none; }

@media (max-width: 860px) {
  .admin-shell { flex-direction: column; }
  .admin-side { width: 100%; flex: none; padding: 12px 0 0; }
  .admin-side .logo { padding: 0 16px 12px; }
  .admin-side nav { flex-direction: row; overflow-x: auto; padding: 0 6px 8px; gap: 2px; }
  .admin-side nav button { border-left: 0; border-bottom: 3px solid transparent; padding: 8px 12px; white-space: nowrap; border-radius: 6px 6px 0 0; }
  .admin-side nav button.on { border-left: 0; border-bottom-color: var(--yellow); }
  .admin-side .side-foot { display: none; }
  .admin-main { padding: 16px 14px 60px; }
  .frow { grid-template-columns: 1fr; gap: 4px; }
  .article, .comments { padding: 20px 18px; }
  .prose { font-size: 16.5px; }
  .searchbox input { width: 130px; }
  .brand-title { font-size: 17px; }
  .topnav { width: 100%; margin-left: 0; }
  .hero { padding: 22px 0 18px; }
}

@media (max-width: 520px) {
  .wrap { padding: 0 14px; }
  .post-card { padding: 15px 15px; }
  .post-card h2 { font-size: 18px; }
  .thumbs img { width: 74px; height: 58px; }
  .article-nav a { flex: 1 1 100%; }
}