:root {
  --bg: #fafaf7;
  --panel: #ffffff;
  --muted-bg: #f1efea;
  --text: #171513;
  --muted: #605a52;
  --line: #e3ddd2;
  --accent: #a91d2c;
  --accent-soft: #fbeceb;
  --ok: #2f6b3a;
  --radius: 6px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

button, input, select, textarea { font: inherit; color: inherit; }

a { color: var(--accent); }

/* ---------- login ---------- */

.login {
  max-width: 380px;
  margin: 12vh auto 0;
  padding: 36px 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.login h1 { margin: 0 0 4px; font-size: 24px; }
.login p { margin: 0 0 24px; color: var(--muted); }
.login .field { margin-bottom: 16px; }
.login .btn { width: 100%; }

/* ---------- layout ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.brand { font-weight: 700; font-size: 18px; margin-right: auto; }
.brand span { color: var(--muted); font-weight: 400; font-size: 14px; margin-left: 8px; }

.tabs {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  gap: 4px;
  overflow-x: auto;
}

.tab {
  border: 0;
  background: none;
  padding: 12px 18px;
  font-size: 17px;
  color: var(--muted);
  border-bottom: 3px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.tab.active { color: var(--text); font-weight: 600; border-bottom-color: var(--accent); }

main.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 120px;
}

.page-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.page-head h2 { margin: 0 auto 0 0; font-size: 24px; }

.hint {
  background: var(--muted-bg);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 20px;
}

/* ---------- controls ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  font-size: 15px;
  white-space: nowrap;
}

.btn:hover { border-color: var(--muted); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-primary { background: var(--text); border-color: var(--text); color: #fff; }
.btn-primary:hover { background: #000; }
.btn-danger { color: var(--accent); }
.btn-danger:hover { border-color: var(--accent); background: var(--accent-soft); }
.btn-small { padding: 5px 12px; font-size: 14px; }
.btn-link { border: 0; background: none; color: var(--muted); padding: 6px 8px; }
.btn-link:hover { color: var(--text); }

.field { display: block; margin-bottom: 18px; }
.field > .label { display: block; font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.field > .label small { font-weight: 400; color: var(--muted); margin-left: 6px; }

input[type="text"], input[type="password"], input[type="date"], input[type="url"], input[type="email"], select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

textarea { min-height: 72px; resize: vertical; }

.bi { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.bi .lang { display: block; font-size: 12px; color: var(--muted); margin-bottom: 2px; letter-spacing: 0.04em; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
}

.card h3 { margin: 0 0 16px; font-size: 18px; }

.savebar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 15;
  background: var(--panel);
  border-top: 1px solid var(--line);
}

.savebar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: flex-end;
}

.savebar .status { margin-right: auto; color: var(--muted); font-size: 14px; }
.savebar .status.dirty { color: var(--accent); }

/* ---------- article list ---------- */

.alist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }

.arow {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 16px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
}

.thumb {
  display: block;
  flex-shrink: 0;
  width: 96px;
  height: 64px;
  border-radius: 4px;
  background: var(--muted-bg) center / cover no-repeat;
}

.arow .title { font-weight: 600; }
.arow .meta { font-size: 13px; color: var(--muted); }
.arow .actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.badge {
  display: inline-block;
  font-size: 12px;
  padding: 1px 8px;
  border-radius: 10px;
  background: var(--muted-bg);
  color: var(--muted);
  margin-left: 8px;
}

/* ---------- rich text editor ---------- */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--muted-bg);
  position: sticky;
  top: 112px;
  z-index: 5;
}

.toolbar button {
  border: 1px solid transparent;
  background: none;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.toolbar button:hover { background: #fff; border-color: var(--line); }
.toolbar .sep { width: 1px; background: var(--line); margin: 2px 4px; }

.editor {
  min-height: 420px;
  max-height: 75vh;
  overflow-y: auto;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 0 0 var(--radius) var(--radius);
  background: #fff;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 17px;
  line-height: 1.8;
}

.editor:focus { outline: 2px solid var(--accent-soft); }
.editor img { max-width: 100%; height: auto !important; }
.editor img.selected { outline: 3px solid var(--accent); }
.editor:empty::before { content: attr(data-placeholder); color: #aaa; }

.import-card.drag { border-color: var(--accent); background: var(--accent-soft); }
.import-ways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.import-way { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.import-way small { color: var(--muted); font-size: 13px; line-height: 1.5; }
@media (max-width: 720px) { .import-ways { grid-template-columns: 1fr; } }

.cover-pick { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.cover-pick .thumb { width: 160px; height: 100px; }

/* ---------- gallery / lists ---------- */

.items { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }

.item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 16px;
  align-items: start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
}

.item .thumb { width: 140px; height: 100px; cursor: pointer; }
.item .field { margin-bottom: 10px; }
.item .side { display: flex; flex-direction: column; gap: 6px; }
.item.no-thumb { grid-template-columns: 1fr auto; }

.img-slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }

.slot { display: flex; flex-direction: column; gap: 6px; }
.slot .thumb { width: 100%; height: 110px; cursor: pointer; }
.slot .num { font-size: 13px; color: var(--muted); }

.door-row { display: grid; grid-template-columns: 160px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.door-row:first-of-type { border-top: 0; padding-top: 0; }
.door-row .thumb { width: 160px; height: 110px; cursor: pointer; }

/* ---------- modal ---------- */

.modal-back {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(23, 21, 19, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal {
  background: var(--panel);
  border-radius: var(--radius);
  width: min(920px, 100%);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
}

.modal-head { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.modal-head h3 { margin: 0 auto 0 0; font-size: 18px; }
.modal-body { padding: 16px 18px; overflow-y: auto; }
.modal-foot { padding: 12px 18px; border-top: 1px solid var(--line); display: flex; gap: 10px; justify-content: flex-end; }

.lib { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.lib button { border: 2px solid transparent; padding: 0; border-radius: 4px; background: var(--muted-bg); cursor: pointer; aspect-ratio: 4 / 3; overflow: hidden; }
.lib button img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lib button.on { border-color: var(--accent); }

.empty { color: var(--muted); padding: 30px; text-align: center; }

/* ---------- visit stats ---------- */
.ranges { display: flex; gap: 6px; flex-wrap: wrap; }
.ranges .btn.active { background: var(--text); border-color: var(--text); color: #fff; }

.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 18px; }
.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.tile-label { color: var(--muted); font-size: 14px; }
.tile-value { font-size: 30px; font-weight: 700; line-height: 1.25; font-variant-numeric: tabular-nums; }
.tile-change { color: var(--muted); font-size: 13px; }

.chart-wrap { position: relative; min-height: 240px; }
.chart { display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { stroke: #b9b1a4; stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.chart .bar { fill: var(--accent); }
.chart .bar.on { fill: #7a1420; }
.chart .hit { fill: transparent; }
.chart-tip {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  font-size: 13px;
  line-height: 1.5;
  padding: 6px 10px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
}

.stats-table { margin-top: 12px; font-size: 14px; }
.stats-table summary { cursor: pointer; color: var(--muted); }
.stats-table table { border-collapse: collapse; margin-top: 8px; min-width: 320px; }
.stats-table th, .stats-table td { text-align: left; padding: 4px 16px 4px 0; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.stats-table th { color: var(--muted); font-weight: 600; }

.stats-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: 18px; }
.stats-sub { color: var(--muted); font-size: 14px; margin: -10px 0 12px; }
.stats-note { color: var(--muted); font-size: 14px; }
.rank { list-style: none; margin: 0; padding: 0; }
.rank li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 3px 12px; padding: 6px 0; }
.rank-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-name a { color: var(--text); text-decoration: none; }
.rank-name a:hover { color: var(--accent); text-decoration: underline; }
.rank-n { color: var(--muted); font-variant-numeric: tabular-nums; }
.rank-bar { grid-column: 1 / -1; height: 6px; border-radius: 3px; background: var(--accent); }

@media (max-width: 700px) {
  .tiles, .stats-grid { grid-template-columns: 1fr; }
}

/* image library: sources on the left, images of the chosen source on the right */
.modal-lib { width: min(1120px, 100%); height: 88vh; }
.lib-wrap { flex: 1; min-height: 0; display: grid; grid-template-columns: 280px 1fr; }
.lib-side { border-right: 1px solid var(--line); overflow-y: auto; padding: 12px 0; background: var(--bg); }
.lib-side-title { margin: 0 16px 8px; font-size: 13px; color: var(--muted); letter-spacing: 0.04em; }
.lib-sources { display: flex; flex-direction: column; }
.lib-source {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  border-left: 3px solid transparent;
  background: none;
  padding: 9px 14px 9px 13px;
  cursor: pointer;
}
.lib-source:hover { background: var(--muted-bg); }
.lib-source.on { background: #fff; border-left-color: var(--accent); }
.lib-source .src-label { display: block; font-size: 14px; font-weight: 600; line-height: 1.4; }
.lib-source .src-sub { display: block; font-size: 12px; color: var(--muted); }
.lib-main { overflow-y: auto; padding: 16px 18px; }
.lib .empty { grid-column: 1 / -1; }
.lib-head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 12px; }
.lib-head span { color: var(--muted); font-size: 13px; }

/* ---------- toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 84px;
  transform: translateX(-50%);
  z-index: 60;
  background: var(--text);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 15px;
  max-width: 90vw;
}

.toast.error { background: var(--accent); }

.busy { position: fixed; inset: 0; z-index: 70; background: rgba(250, 250, 247, 0.6); display: flex; align-items: center; justify-content: center; font-size: 18px; }

@media (max-width: 720px) {
  .tabs { padding: 0 8px; gap: 0; }
  .tab { padding: 10px 10px; font-size: 15px; }
  .bi { grid-template-columns: 1fr; }
  .arow { grid-template-columns: 72px 1fr; }
  .arow .thumb { width: 72px; height: 52px; }
  .arow .actions { grid-column: 1 / -1; justify-content: flex-start; }
  .item, .item.no-thumb { grid-template-columns: 1fr; }
  .item .thumb { width: 100%; height: 160px; }
  .item .side { flex-direction: row; flex-wrap: wrap; }
  .door-row { grid-template-columns: 1fr; }
  .door-row .thumb { width: 100%; }
  .toolbar { top: 0; position: static; }
  .lib-wrap { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .lib-side { border-right: 0; border-bottom: 1px solid var(--line); max-height: 28vh; }
}