:root {
  --bg: #f3f1ee;
  --panel: #fffcf8;
  --ink: #1a1917;
  --muted: #6f6a62;
  --line: #e4dfd6;
  --accent: #ad833f;
  --accent-ink: #fff;
  --side: #161513;
  --side-text: #c9c2b6;
  --danger: #b42318;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--accent); text-decoration: none; }
button, input, select { font: inherit; }

.app {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100dvh;
}

.side {
  background: var(--side);
  color: var(--side-text);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
}
.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 28px;
  color: #f4efe6;
}
.brand strong { display: block; font-size: 15px; }
.brand em { font-style: normal; font-size: 12px; color: #8d867b; }
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
}
.side nav { display: grid; gap: 4px; flex: 1; }
.side nav a {
  color: var(--side-text);
  padding: 10px 12px;
  border-radius: 8px;
}
.side nav a.on,
.side nav a:hover { background: #2a2723; color: #fff; }
.side-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  padding-top: 16px;
  border-top: 1px solid #2c2925;
}

.main { min-width: 0; }
.top {
  padding: 28px 32px 0;
}
.top h1 { margin: 0; font-size: 22px; font-weight: 650; }
.body { padding: 20px 32px 48px; }

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.hint { margin: 0; color: var(--muted); font-size: 13px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.btn:active { transform: scale(0.98); }
.link {
  background: none;
  border: 0;
  padding: 0;
  color: var(--accent);
  cursor: pointer;
}
.link.danger { color: var(--danger); }

.img-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.img-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: grab;
}
.img-card img {
  display: block;
  width: 100%;
  height: 140px;
  object-fit: cover;
}
.img-del {
  position: absolute;
  top: 8px;
  right: 8px;
  border: 0;
  background: rgba(22, 21, 19, .72);
  color: #fff;
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
}
.img-card.dragging { opacity: .45; }

.table-wrap {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: auto;
}
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.col-grip { width: 40px; }
.drag-handle {
  cursor: grab;
  width: 40px;
  padding-right: 8px;
  vertical-align: middle;
}
.drag-handle:active { cursor: grabbing; }
.grip {
  display: block;
  width: 10px;
  height: 12px;
  background-image: radial-gradient(circle, #b8b2a8 1.2px, transparent 1.3px);
  background-size: 5px 4px;
}
tr.dragging { opacity: .4; }
.muted, .empty, .empty-row td { color: var(--muted); }
.empty { padding: 32px 0; }

.row-form {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.row-form input { flex: 1; }

.stack { display: grid; gap: 16px; max-width: 920px; }
.stack label, .row-form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
}
input, select {
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
input:focus, select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 35%, white);
  border-color: var(--accent);
}
.help { color: var(--muted); font-size: 12px; }
.form-error { color: var(--danger); font-size: 13px; margin: 0; }

.editor-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.editor-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
#toolbar-container { border-bottom: 1px solid var(--line); }
#editor-container { min-height: 360px; }

.login-body {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  background: #161513;
}
.login-card {
  width: min(380px, calc(100% - 32px));
  background: #1f1d1a;
  color: #f4efe6;
  padding: 32px;
  border-radius: 16px;
  display: grid;
  gap: 14px;
  border: 1px solid #2c2925;
}
.login-head { text-align: center; margin-bottom: 8px; }
.login-head h1 { margin: 12px 0 4px; font-size: 20px; }
.login-head p { margin: 0; color: #8d867b; }
.login-card .brand-mark { margin: 0 auto; }
.login-card label { color: #c9c2b6; }
.login-card input {
  background: #161513;
  border-color: #3a3630;
  color: #f4efe6;
}
.login-card .btn.primary { width: 100%; height: 42px; }

#toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: #161513;
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  z-index: 20;
}

@media (max-width: 768px) {
  .app { grid-template-columns: 1fr; }
  .side { flex-direction: row; flex-wrap: wrap; gap: 12px; }
  .side nav { flex-direction: row; display: flex; overflow: auto; }
  .side-foot { border: 0; padding: 0; margin-left: auto; }
  .body, .top { padding-left: 16px; padding-right: 16px; }
}