:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --border: #e4e7ec;
  --primary: #3b6fe0;
  --primary-d: #315cb8;
  --danger: #d64545;
  --ok: #1f9d61;
  --over: #d64545;
  --under: #d97706;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06);
}

* { box-sizing: border-box; }

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

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 20px;
}
.app-header h1 { font-size: 17px; margin: 0; }

#main-nav { display: flex; gap: 8px; }
#main-nav button {
  border: 0;
  background: transparent;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
}
#main-nav button:hover { background: #f0f2f5; }
#main-nav button.active { background: #e8eefc; color: var(--primary); font-weight: 600; }

.container { max-width: 900px; margin: 0 auto; padding: 20px 16px 80px; }

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 6px 0 16px;
  flex-wrap: wrap;
  gap: 10px;
}
.toolbar h2 { margin: 0; font-size: 19px; }
h3 { margin: 0 0 10px; font-size: 16px; }

.muted { color: var(--muted); }
.small { font-size: 12px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 14px;
}

.plan-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}
.plan-row:hover { border-color: #c9d4ea; }
.plan-date { font-weight: 600; font-size: 15px; }
.plan-row-ops { display: flex; gap: 8px; flex-shrink: 0; }

.btn {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 8px;
  padding: 7px 14px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text);
}
.btn:hover { background: #f3f5f8; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-d); }
.btn.primary:disabled { background: #a9bce8; border-color: #a9bce8; cursor: not-allowed; }
.btn.danger { color: var(--danger); border-color: #eccaca; }
.btn.danger:hover { background: #fdf1f1; }
.btn.ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn.ghost:hover { background: #eef1f5; }
.btn.small { padding: 3px 10px; font-size: 12.5px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.empty {
  background: #fafbfc;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  color: var(--muted);
}

.form-card .field { margin-bottom: 14px; }
.field label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 4px; }
.field input[type=text],
.field input[type=date],
.field input[type=time],
.field input[type=number] {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}
.field input:focus { outline: 2px solid #c8d8f7; border-color: var(--primary); }
.field input[type=color] {
  width: 52px;
  height: 36px;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}
.field.narrow { max-width: 120px; }
.field-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-end; }
.static-val { padding: 8px 0; font-weight: 600; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

.error-box {
  background: #fdf1f1;
  border: 1px solid #f2cfcf;
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 10px 0;
  font-size: 13px;
}

.form-ops { display: flex; gap: 10px; margin-top: 8px; }

.tpl-list { display: flex; flex-direction: column; gap: 10px; }
.tpl-card { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; margin: 0; }
.tpl-card input[type=radio] { margin-top: 4px; }
.tpl-card:has(input:checked) { border-color: var(--primary); outline: 2px solid #c8d8f7; }

.tag {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1px 9px;
  font-size: 12px;
  margin: 2px 4px 2px 0;
}
.tag.src { background: #f3f5f8; color: var(--muted); border: 0; font-size: 11px; }
.tag.src.adhoc { background: #fdeeda; color: var(--under); }

.block-card { padding: 14px 16px; }
.block-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.block-order {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #eef1f5;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  flex-shrink: 0;
}
.block-name { font-size: 15px; }
.block-time { color: var(--muted); font-variant-numeric: tabular-nums; }
.block-move { margin-left: auto; display: flex; gap: 6px; }

.block-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--muted);
}
.num-input {
  width: 76px;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13.5px;
}
.time-input {
  width: 96px;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}
.quick-dur { display: inline-flex; gap: 4px; }

.diff { font-size: 12.5px; padding: 2px 8px; border-radius: 12px; }
.diff.over { background: #fdf1f1; color: var(--over); }
.diff.under { background: #fdf3e3; color: var(--under); }
.diff.ok { background: #ecf8f1; color: var(--ok); }
.diff.muted { background: #f3f5f8; color: var(--muted); }
.actual-min { font-weight: 600; margin: 0 2px; }

.muted-line { margin-top: 8px; }

.item-list { list-style: none; margin: 10px 0 0; padding: 0; }
.item {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 6px 0;
  border-top: 1px dashed #eef0f3;
}
.item input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--primary); }
.item-done .item-name { text-decoration: line-through; color: var(--muted); }
.item-name { flex: 1; min-width: 120px; }
.item-ops { display: flex; gap: 6px; }

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  background: #9aa4b2;
  flex-shrink: 0;
}

.note-area {
  width: 100%;
  margin-top: 6px;
  min-height: 56px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 13.5px;
  resize: vertical;
}

.add-item { display: flex; gap: 8px; margin-top: 10px; }
.add-item input {
  flex: 1;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13.5px;
}

.summary-area {
  width: 100%;
  min-height: 120px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
  margin-top: 10px;
}

.stats { margin-bottom: 6px; }
.stats-table { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: 13px; }
.stats-table th, .stats-table td { text-align: left; padding: 6px 8px; border-bottom: 1px solid #eef0f3; }
.stats-table th { color: var(--muted); font-weight: 500; font-size: 12px; }
.stats-table td:first-child { display: flex; align-items: center; gap: 6px; }

.editor-cat { position: relative; }
.cat-del { margin-left: auto; }
.ratio-line { margin: 14px 0 4px; font-size: 14px; }
.ratio-badge { padding: 2px 10px; border-radius: 12px; font-weight: 600; }
.ratio-badge.ok { background: #ecf8f1; color: var(--ok); }
.ratio-badge.bad { background: #fdf3e3; color: var(--under); }

.item-edit-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
.item-edit-row { display: flex; gap: 6px; }
.item-edit-row input {
  flex: 1;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13.5px;
}

@media (max-width: 640px) {
  .field-row { gap: 10px; }
  .block-meta { gap: 8px; }
  .plan-row { flex-direction: column; }
  .block-move { margin-left: 0; width: 100%; }
}