/* admin.css —— 后台样式（沿用站点配色，独立一份，不影响前台） */
:root {
  --a-text: #141414;
  --a-muted: rgba(0, 0, 0, .45);
  --a-line: rgba(0, 0, 0, .09);
  --a-bg: #f4f6fa;
  --a-card: #fff;
  --a-accent: #749efc;
  --a-accent2: #a78bfa;
  --a-danger: #e15b64;
  --a-ok: #2f9e6b;
  --a-radius: 12px;
  --a-side: 216px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --a-text: #eef2f8;
    --a-muted: rgba(255, 255, 255, .55);
    --a-line: rgba(255, 255, 255, .1);
    --a-bg: #0f172a;
    --a-card: #1b2434;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--a-text);
  background: var(--a-bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--a-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-size: 12.5px; background: rgba(127, 127, 127, .14); padding: 1px 5px; border-radius: 5px; }

/* ---------- 左侧导航 ---------- */
.side {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--a-side);
  display: flex;
  flex-direction: column;
  background: var(--a-card);
  border-right: 1px solid var(--a-line);
  padding: 16px 12px;
  gap: 4px;
}

.side-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 14px;
}

.side-head img { width: 34px; height: 34px; border-radius: 100%; object-fit: cover; }
.side-head b { display: block; font-size: 13.5px; }
.side-head span { font-size: 11px; color: var(--a-muted); }

.side nav { display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }

.side nav a {
  display: flex;
  align-items: center;
  gap: 9px;
  height: 34px;
  padding: 0 10px;
  border-radius: 9px;
  color: var(--a-text);
  font-size: 13px;
}

.side nav a i { width: 16px; text-align: center; color: var(--a-muted); font-size: 13px; }
.side nav a:hover { background: rgba(127, 127, 127, .1); text-decoration: none; }
.side nav a.on {
  background: linear-gradient(135deg, var(--a-accent), var(--a-accent2));
  color: #fff;
}
.side nav a.on i { color: #fff; }

.side-foot { border-top: 1px solid var(--a-line); padding-top: 10px; display: flex; flex-direction: column; gap: 4px; }
.side-foot a, .side-foot button {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: 9px;
  background: none;
  color: var(--a-muted);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
  text-align: left;
  width: 100%;
}
.side-foot a:hover, .side-foot button:hover { background: rgba(127, 127, 127, .1); color: var(--a-text); text-decoration: none; }
.side-foot form { margin: 0; }

/* ---------- 主体 ---------- */
.main { margin-left: var(--a-side); padding: 22px 26px 60px; max-width: 1180px; }
.top { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.top h1 { font-size: 19px; margin: 0; }

.card {
  background: var(--a-card);
  border: 1px solid var(--a-line);
  border-radius: var(--a-radius);
  padding: 18px;
  margin-bottom: 16px;
}
.card h2 { font-size: 14.5px; margin: 0 0 12px; }
.card > .hint:first-of-type { margin-top: -6px; }

.grid-2 { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: 16px; align-items: start; }
/* 网格子项默认有 min-content 下限，会把里面的宽表顶出屏幕；归零后由 .list-wrap 自己滚 */
.grid-2 > * { min-width: 0; }
@media (max-width: 1080px) { .grid-2 { grid-template-columns: minmax(0, 1fr); } }

.hint { font-size: 11.5px; color: var(--a-muted); margin: 3px 0 0; }
.req { color: var(--a-danger); }
.empty { color: var(--a-muted); font-size: 12.5px; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 12px; }
.field > label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 4px; }

input[type="text"], input[type="password"], input[type="number"], textarea, select {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--a-line);
  border-radius: 9px;
  background: var(--a-bg);
  color: var(--a-text);
  font: inherit;
  font-size: 13px;
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid rgba(116, 158, 252, .35);
  border-color: var(--a-accent);
}
textarea { resize: vertical; line-height: 1.6; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px; }

.upload-row { display: flex; gap: 8px; align-items: center; }
.upload-row input[type="text"] { flex: 1; }
.upload-row input[type="file"] { font-size: 11.5px; max-width: 46%; }
.thumb { margin-top: 8px; }
.thumb img { max-height: 90px; border-radius: 8px; border: 1px solid var(--a-line); }

.switch { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--a-muted); }

.actions { display: flex; gap: 8px; align-items: center; margin-top: 14px; }

.btn-primary {
  padding: 8px 16px;
  border: 0;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--a-accent), var(--a-accent2));
  color: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { padding: 8px 12px; color: var(--a-muted); font-size: 13px; }

.sticky-actions {
  position: sticky;
  bottom: 0;
  padding: 12px 0;
  background: linear-gradient(transparent, var(--a-bg) 30%);
}

/* ---------- 提示 ---------- */
.flash {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 14px;
  background: rgba(47, 158, 107, .12);
  color: var(--a-ok);
  border: 1px solid rgba(47, 158, 107, .25);
}
.flash.err { background: rgba(225, 91, 100, .12); color: var(--a-danger); border-color: rgba(225, 91, 100, .25); }

.notice {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 13px;
  background: rgba(240, 163, 94, .14);
  border: 1px solid rgba(240, 163, 94, .35);
}

/* ---------- 列表 ---------- */
/* fixed 布局：单元格是 nowrap，auto 布局下浏览器没法把列压到文字宽度以下，
   posts 那种「日期+标题+摘要」的表就会撑出卡片。定宽后各列按 colgroup 分配，
   多的用省略号截断，窄屏由 .list-wrap 横向滚动兜底。 */
.list-wrap { overflow-x: auto; }
table.list { width: 100%; table-layout: fixed; border-collapse: collapse; font-size: 12.5px; min-width: 560px; }
table.list th {
  text-align: left;
  font-weight: 600;
  color: var(--a-muted);
  padding: 6px 8px;
  border-bottom: 1px solid var(--a-line);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
table.list td {
  padding: 7px 8px;
  border-bottom: 1px solid var(--a-line);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
table.list tr.dim td { opacity: .45; }
table.list td.ops { white-space: nowrap; }
table.list td.ops a { color: var(--a-muted); margin-right: 8px; }
table.list td.ops a:hover { color: var(--a-accent); }
table.list td.ops a.danger:hover { color: var(--a-danger); }
table.list td.ops form { display: inline; margin: 0; }
table.list td.ops button {
  border: 0;
  padding: 0;
  margin-right: 8px;
  background: none;
  color: var(--a-muted);
  font-size: 12.5px;
  cursor: pointer;
}
table.list td.ops button:hover { color: var(--a-accent); }
table.list td.ops button.danger:hover { color: var(--a-danger); }

table.kv { width: 100%; font-size: 12.5px; border-collapse: collapse; }
table.kv th { text-align: left; font-weight: 600; color: var(--a-muted); padding: 5px 10px 5px 0; width: 90px; }
table.kv td { padding: 5px 0; }

/* ---------- 概览 ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px;
  background: var(--a-card);
  border: 1px solid var(--a-line);
  border-radius: var(--a-radius);
  color: var(--a-text);
  transition: transform .2s ease, box-shadow .2s ease;
}
.stat:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(17, 24, 39, .08); text-decoration: none; }
.stat i { color: var(--a-accent); font-size: 14px; }
.stat b { font-size: 22px; line-height: 1.2; }
.stat span { font-size: 11.5px; color: var(--a-muted); }

/* ---------- 登录页 ---------- */
.login-body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  background:
    linear-gradient(rgba(255, 255, 255, .5), rgba(255, 255, 255, .75)),
    url('../../css/resources/2.jpg') center/cover no-repeat fixed;
}
.login-card {
  width: min(360px, 92vw);
  background: var(--a-card);
  border: 1px solid var(--a-line);
  border-radius: 16px;
  padding: 26px;
  box-shadow: 0 20px 50px rgba(17, 24, 39, .12);
}
.login-card h1 { font-size: 17px; margin: 0 0 16px; }
.login-card h1 i { color: var(--a-accent); }
.login-card label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 12px; }
.login-card input { margin-top: 4px; }
.login-card .btn-primary { width: 100%; margin-top: 4px; }
.login-tip { font-size: 11.5px; color: var(--a-muted); margin: 14px 0 0; line-height: 1.7; }

@media (max-width: 720px) {
  .side { position: static; width: auto; flex-direction: row; align-items: center; overflow-x: auto; }
  .side nav { flex-direction: row; }
  .side-foot { border: 0; padding: 0; flex-direction: row; }
  .side-head { display: none; }
  .main { margin-left: 0; padding: 16px; }
  .grid-2 { grid-template-columns: 1fr; }
}

/* ============================ Markdown 编辑器 ============================ */
.md {
  border: 1px solid var(--a-line);
  border-radius: var(--a-radius);
  background: var(--a-card);
  overflow: hidden;
}
.md-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--a-line);
  background: var(--a-bg);
}
.md-bar button {
  width: 30px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--a-muted);
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.md-bar button:hover { background: var(--a-line); color: var(--a-text); }
.md-bottom { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.md-count { font-size: 11.5px; color: var(--a-muted); white-space: nowrap; }
.md-bar .md-view {
  width: auto;
  padding: 0 10px;
  border: 1px solid var(--a-line);
  font-size: 11.5px;
  color: var(--a-text);
}
.md-panes { display: grid; grid-template-columns: 1fr 1fr; }
.md-panes textarea {
  margin: 0;
  padding: 12px 14px;
  border: 0;
  border-radius: 0;
  min-height: 340px;
  resize: vertical;
  background: transparent;
  color: inherit;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.75;
}
.md-panes textarea:focus { outline: none; box-shadow: inset 0 0 0 2px rgba(116, 158, 252, .22); }
.md-preview {
  padding: 12px 16px;
  border-left: 1px solid var(--a-line);
  max-height: 560px;
  overflow: auto;
  font-size: 13.5px;
}
.md--only-preview .md-panes { grid-template-columns: 1fr; }
.md--only-preview textarea { display: none; }
.md--only-preview .md-preview { border-left: 0; }
.md-hint { margin: 7px 0 0; font-size: 11.5px; }
@media (max-width: 900px) {
  .md-panes { grid-template-columns: 1fr; }
  .md-preview { border-left: 0; border-top: 1px solid var(--a-line); max-height: 340px; }
}

/* 带 Markdown 编辑器的表单占满整行（左右分栏时编辑区会窄到没法用） */
.card-wide { grid-column: 1 / -1; }
/* 窄屏下把字数和「只看预览」单独放一行，别跟工具栏抢宽度（挤一起会变成两排按钮） */
@media (max-width: 900px) {
  .md-bar { row-gap: 4px; }
  .md-bottom { flex-basis: 100%; justify-content: flex-end; }
}
.md-status { margin-right: 10px; font-size: 11.5px; color: var(--a-ok); }
.md-status.is-error { color: var(--a-danger); }

/* 拖图片进来时给编辑区加个虚线框，明确「松手就插到这里」 */
.md.is-dragging .md-panes { outline: 2px dashed var(--a-accent); outline-offset: -2px; border-radius: 8px; }
.md.is-dragging .md-preview { background: rgba(116, 158, 252, .06); }

/* ---------- 系统更新 ---------- */
.up-kv { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.up-kv th { width: 88px; text-align: left; font-weight: 600; color: var(--a-muted); padding: 8px 12px 8px 0; vertical-align: top; white-space: nowrap; }
.up-kv td { padding: 8px 0; vertical-align: top; }
.up-kv tr + tr th, .up-kv tr + tr td { border-top: 1px solid var(--a-line); }
.up-sha { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; padding: 1px 6px; border-radius: 5px; background: rgba(116, 158, 252, .14); color: var(--a-accent); }
.up-dim { color: var(--a-muted); font-size: 11.5px; margin-left: 6px; }
.up-tag { font-size: 11px; color: var(--a-muted); border: 1px solid var(--a-line); border-radius: 999px; padding: 1px 7px; margin-left: 4px; white-space: nowrap; }
.up-verdict { font-size: 12px; margin-left: 8px; }
.up-verdict.ok { color: var(--a-ok); }
.up-verdict.new { color: #b7791f; }
.up-verdict.warn { color: var(--a-danger); }
.up-warn { color: var(--a-danger); font-size: 11.5px; }
.up-alert {
  margin: 0 0 12px;
  padding: 10px 12px;
  border: 1px solid rgba(183, 121, 31, .35);
  background: rgba(183, 121, 31, .08);
  border-radius: 8px;
  font-size: 12.5px;
  line-height: 1.75;
}
.up-file-state { font-size: 11px; padding: 1px 7px; border-radius: 999px; white-space: nowrap; }
.up-file-state.add { color: var(--a-ok); background: rgba(47, 158, 107, .12); }
.up-file-state.mod { color: var(--a-accent); background: rgba(116, 158, 252, .14); }
.up-file-state.del { color: var(--a-danger); background: rgba(225, 91, 100, .12); }
.up-commits { margin: 0; padding-left: 18px; font-size: 12.5px; }
.up-commits li { margin-bottom: 6px; }
.up-commits b { font-weight: 600; margin: 0 6px 0 2px; }
.up-notes { margin: 0; padding-left: 18px; font-size: 12.5px; line-height: 1.75; }
.up-notes li { margin-bottom: 4px; }
.actions form { margin: 0; }
.up-link-btn { background: none; border: 0; padding: 0; font: inherit; font-size: 12px; color: var(--a-danger); cursor: pointer; }
.up-link-btn:hover { text-decoration: underline; }