:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --line: #d7dde3;
  --text: #17212b;
  --muted: #64707d;
  --accent: #2f6fde;
  --accent-soft: #e8f0fe;
  --good: #eff8ef;
  --chip: #edf2f7;
}

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

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1, .panel h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0;
  margin-bottom: 4px;
}

.top-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  padding: 9px 14px;
  border-radius: 6px;
  cursor: pointer;
}

.btn-ghost {
  background: #fff;
  color: var(--accent);
}

.btn-danger {
  background: #b42318;
  border-color: #b42318;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.major-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.major-card {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.major-card.active {
  background: var(--accent-soft);
  border-color: #b6cbfb;
  color: var(--accent);
}

.shell {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 16px;
  padding: 16px;
}

.sidebar {
  display: grid;
  gap: 16px;
  align-content: start;
}

.content {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.admin-only {
  display: none;
}

.admin-mode .admin-only {
  display: block;
}

.hero {
  display: grid;
  gap: 14px;
}

.hero-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

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

.field-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

.input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: #fff;
}

.file-input {
  display: none;
}

.manage-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.manage-actions .btn {
  width: 100%;
}

.school-list {
  max-height: calc(100vh - 220px);
  overflow: auto;
  border-top: 1px solid var(--line);
}

.school-item {
  display: grid;
  gap: 4px;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.school-item:hover {
  background: #f8fafc;
}

.school-item.active {
  background: var(--accent-soft);
  outline: 1px solid #c6d6fa;
}

.school-name {
  font-weight: 600;
}

.school-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 12px;
}

.pill-warn {
  color: #9a6700;
  font-weight: 600;
}

.tag-row, .chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag, .chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--chip);
  border: 1px solid var(--line);
  font-size: 12px;
}

.tag.active, .chip.active {
  background: var(--accent-soft);
  border-color: #b6cbfb;
  color: var(--accent);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.stat {
  padding: 10px 12px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.stat .label {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.stat .value {
  font-size: 18px;
  font-weight: 700;
}

.grid-two {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
  gap: 16px;
  align-items: start;
}

.edit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.edit-grid .full {
  grid-column: 1 / -1;
}

.textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: #fff;
  resize: vertical;
  min-height: 78px;
}

.dept-list {
  display: grid;
  gap: 8px;
}

.dept-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.dept-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  background: #f8fafc;
  cursor: pointer;
}

.dept-head strong {
  font-size: 14px;
}

.dept-body {
  padding: 12px;
  display: grid;
  gap: 10px;
}

.dept-body p {
  margin: 0;
  line-height: 1.55;
}

.bookbox {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  white-space: pre-wrap;
  line-height: 1.55;
  min-height: 58px;
}

.pick-list {
  display: grid;
  gap: 6px;
}

.pick-item {
  display: grid;
  gap: 8px;
  align-items: start;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.pick-main {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.pick-main input {
  margin-top: 3px;
}

.pick-title {
  line-height: 1.45;
}

.pick-extra {
  display: grid;
  grid-template-columns: minmax(180px, 1fr);
  gap: 8px;
  align-items: center;
  padding-left: 26px;
}

.inline-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.mini-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  min-width: 160px;
}

.selected-panel {
  display: grid;
  gap: 10px;
}

.selected-wrap {
  max-height: 320px;
}

.selected-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.selected-status {
  font-weight: 700;
  margin-bottom: 4px;
}

.selected-empty {
  color: var(--muted);
  padding: 14px;
}

.copy-line {
  display: flex;
  justify-content: flex-end;
}

.mini-btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
}

.remark-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  min-width: 180px;
}

.sample-input {
  min-width: 240px;
}

.digital-select {
  min-width: 72px;
}

.match-panel {
  display: grid;
  gap: 10px;
}

.match-form {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(180px, 240px) auto;
  gap: 10px;
  align-items: center;
}

.match-wrap {
  max-height: 340px;
}

.filter-row {
  display: grid;
  gap: 10px;
  margin-bottom: 10px;
}

.table-wrap {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: auto;
  max-height: 680px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.table th,
.table td {
  border-bottom: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
  font-size: 13px;
}

.table th {
  position: sticky;
  top: 0;
  background: #f8fafc;
  z-index: 1;
}

.table tbody tr:hover {
  background: #f8fafc;
}

.empty {
  padding: 12px 8px;
  color: var(--muted);
}

@media (max-width: 1200px) {
  .shell, .grid-two {
    grid-template-columns: 1fr;
  }
  .school-list {
    max-height: 320px;
  }
  .stats, .edit-grid, .major-grid {
    grid-template-columns: 1fr;
  }
  .match-form, .pick-extra {
    grid-template-columns: 1fr;
  }
  .pick-extra {
    padding-left: 0;
  }
}