:root {
  --bg: #f6f7f4;
  --surface: #ffffff;
  --surface-muted: #eef3ef;
  --text: #202421;
  --muted: #66706a;
  --border: #d7ddd8;
  --accent: #0f7a66;
  --accent-strong: #075f50;
  --accent-soft: #dcefe8;
  --warning: #9a5a00;
  --warning-soft: #fff1d6;
  --danger: #9b2d2d;
  --danger-soft: #fde2df;
  --focus: #1a73a8;
  --shadow: 0 1px 2px rgba(29, 36, 32, 0.08);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei",
    sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

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

.muted-link {
  color: var(--muted);
  font-weight: 700;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 35%, transparent);
  outline-offset: 2px;
}

.app-header,
.ranker-tabs,
.app-shell,
.app-footer {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
}

.app-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 18px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.data-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(82px, 1fr));
  gap: 8px;
  margin: 0;
}

.data-summary div {
  min-width: 0;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.data-summary dt {
  color: var(--muted);
  font-size: 0.75rem;
}

.data-summary dd {
  margin: 2px 0 0;
  font-size: 1.1rem;
  font-weight: 800;
}

.ranker-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  padding-bottom: 16px;
}

.ranker-tab {
  display: grid;
  gap: 2px;
  min-width: 0;
  min-height: 58px;
  padding: 10px 12px;
  color: var(--text);
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.ranker-tab[aria-current="page"] {
  color: #ffffff;
  background: #26312c;
  border-color: #26312c;
}

.ranker-tab strong,
.ranker-tab span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ranker-tab strong {
  font-size: 1rem;
}

.ranker-tab span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.ranker-tab[aria-current="page"] span {
  color: #dce8e2;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(360px, 430px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.weight-panel,
.result-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.weight-panel {
  position: sticky;
  top: 16px;
  padding: 16px;
}

.result-panel {
  min-width: 0;
  padding: 16px;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.weight-total {
  flex: 0 0 auto;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.weight-total[data-state="invalid"] {
  color: var(--danger);
  background: var(--danger-soft);
}

.weights-grid {
  display: grid;
  gap: 10px;
}

.home-save-status {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.save-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.save-status-row strong {
  flex: 0 0 auto;
}

.save-status-row span {
  min-width: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-align: right;
}

.save-status-row[data-state="saved"] {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.save-status-row[data-state="missing"] span {
  color: var(--warning);
}

.weight-row {
  display: grid;
  grid-template-columns: minmax(126px, 1fr) minmax(120px, 1.2fr) 76px;
  gap: 10px;
  align-items: center;
  padding: 10px;
  background: var(--surface-muted);
  border: 1px solid transparent;
  border-radius: 8px;
}

.weight-row:focus-within {
  border-color: color-mix(in srgb, var(--focus) 50%, var(--border));
}

.weight-name {
  min-width: 0;
}

.weight-name strong {
  display: block;
  font-size: 0.95rem;
  line-height: 1.2;
}

.weight-name span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.76rem;
  overflow-wrap: anywhere;
}

.weight-slider {
  width: 100%;
  accent-color: var(--accent);
}

.number-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px;
}

.weight-number {
  width: 100%;
  min-width: 0;
  padding: 7px 8px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.percent-sign {
  color: var(--muted);
  font-size: 0.85rem;
}

.action-bar {
  display: grid;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.status-text {
  min-height: 24px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.status-text[data-state="invalid"] {
  color: var(--danger);
}

.status-text[data-state="changed"] {
  color: var(--warning);
}

.action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.primary-button,
.secondary-button {
  min-height: 40px;
  padding: 8px 12px;
  border-radius: 7px;
  font-weight: 800;
}

.primary-button {
  color: #ffffff;
  background: var(--accent);
  border: 1px solid var(--accent-strong);
}

.primary-button:hover:not(:disabled) {
  background: var(--accent-strong);
}

.secondary-button {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
}

.secondary-button:hover:not(:disabled) {
  background: var(--surface-muted);
}

.compact-button {
  min-height: 36px;
  padding: 6px 10px;
}

.ranking-workspace {
  display: grid;
  gap: 12px;
}

.ranking-meta {
  padding: 10px 12px;
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-radius: 8px;
  font-weight: 800;
}

.filters {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(150px, 1fr));
  gap: 10px;
  align-items: end;
}

.field-label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.field-label input,
.field-label select {
  width: 100%;
  min-height: 38px;
  padding: 7px 9px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
}

.table-wrap {
  max-height: 68vh;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.ranking-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  background: var(--surface);
}

.ranking-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.ranking-table th,
.ranking-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.ranking-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: #ffffff;
  background: #26312c;
  font-size: 0.82rem;
  white-space: nowrap;
}

.ranking-table tbody tr:hover {
  background: #f8fbf9;
}

.rank-cell {
  font-weight: 900;
  white-space: nowrap;
}

.school-cell {
  min-width: 240px;
}

.school-name {
  display: block;
  font-weight: 800;
  line-height: 1.25;
}

.school-name-en {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.25;
}

.school-location {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.82rem;
}

.indicator-details {
  margin-top: 10px;
}

.indicator-details summary {
  width: max-content;
  max-width: 100%;
  color: var(--accent-strong);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 800;
}

.indicator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 6px;
  margin-top: 8px;
  padding: 8px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.indicator-score,
.source-rank {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
  padding: 6px 8px;
  background: var(--surface);
  border-radius: 6px;
}

.source-ranks {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 6px;
  padding-top: 2px;
}

.source-rank {
  color: var(--muted);
}

.source-rank span {
  font-size: 0.78rem;
  font-weight: 800;
}

.indicator-score span {
  min-width: 0;
}

.indicator-score strong,
.indicator-score em {
  display: block;
}

.indicator-score strong {
  font-size: 0.82rem;
  line-height: 1.2;
}

.indicator-score em {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.72rem;
  font-style: normal;
  overflow-wrap: anywhere;
}

.indicator-score b {
  flex: 0 0 auto;
  font-variant-numeric: tabular-nums;
}

.numeric-cell {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.empty-row td {
  padding: 28px 12px;
  color: var(--muted);
  text-align: center;
}

.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0 0;
}

.pagination-info {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-size-label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.page-size-label select {
  min-height: 36px;
  padding: 6px 8px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
}

.app-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding: 16px 0 28px;
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 1080px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .weight-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  .app-header {
    align-items: stretch;
    flex-direction: column;
  }

  .ranker-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .data-summary {
    grid-template-columns: repeat(3, 1fr);
  }

  .weight-row,
  .filters {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .result-actions {
    justify-content: stretch;
  }

  .action-buttons {
    justify-content: stretch;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .indicator-grid {
    grid-template-columns: 1fr;
  }

  .pagination-bar,
  .pagination-controls {
    align-items: stretch;
    flex-direction: column;
  }

  .pagination-controls .secondary-button,
  .page-size-label select {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .app-header,
  .ranker-tabs,
  .app-shell,
  .app-footer {
    width: min(100% - 20px, 1440px);
  }

  .data-summary {
    grid-template-columns: 1fr;
  }

  .ranker-tabs {
    grid-template-columns: 1fr;
  }

  .weight-panel,
  .result-panel {
    padding: 12px;
  }
}