:root {
  --sol-bg: #eef1f5;
  --sol-card: #ffffff;
  --sol-border: #d6dbe5;
  --sol-text: #1f2937;
  --sol-muted: #5b6575;
  --sol-header: #212836;
  --sol-pill: #f8fafc;
  --sol-done: #dff3e4;
  --sol-group-done: #cfe8d2;
  --sol-group-partial: #f6e3a6;
  --sol-group-idle: #f7f8fb;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--sol-bg);
  color: var(--sol-text);
  font-family: Inter, system-ui, sans-serif;
}

body {
  padding: 24px;
}

.sol-shell {
  width: min(1480px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

.sol-card {
  background: var(--sol-card);
  border: 1px solid var(--sol-border);
  border-radius: 18px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.sol-title-card {
  padding: 20px 22px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.sol-title-card h1 {
  margin: 0 0 8px;
  font-size: 1.9rem;
}

.sol-meta {
  margin: 0;
  color: var(--sol-muted);
  line-height: 1.5;
}

.sol-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: #fff7d6;
  color: #725400;
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

.sol-tab-card {
  padding: 14px 16px;
}

.sol-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sol-tab {
  border: 1px solid var(--sol-border);
  background: var(--sol-pill);
  color: var(--sol-text);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}

.sol-tab.is-active {
  background: var(--sol-header);
  border-color: var(--sol-header);
  color: #fff;
}

.sol-table-card {
  padding: 18px 18px 12px;
}

.sol-table-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.sol-table-head h2 {
  margin: 0 0 6px;
  font-size: 1.25rem;
}

.sol-table-stats {
  margin: 0;
  color: var(--sol-muted);
}

.sol-controls {
  display: flex;
  gap: 8px;
}

.sol-controls button {
  border: 1px solid var(--sol-border);
  background: #fff;
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.sol-table-wrap {
  overflow: auto;
  border: 1px solid var(--sol-border);
  border-radius: 14px;
}

.sol-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  min-width: 960px;
  font-size: 0.88rem;
}

.sol-table th,
.sol-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #e8ecf2;
  text-align: left;
  vertical-align: top;
}

.sol-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--sol-header);
  color: #fff;
  font-weight: 700;
}

.sol-table tr:nth-child(even):not(.is-group):not(.is-done) {
  background: #fbfcfe;
}

.sol-table tr.is-done {
  background: var(--sol-done);
}

.sol-table tr.is-group.group-done {
  background: var(--sol-group-done);
}

.sol-table tr.is-group.group-partial {
  background: var(--sol-group-partial);
}

.sol-table tr.is-group.group-idle {
  background: var(--sol-group-idle);
}

.sol-table tr.is-group td {
  font-weight: 700;
}

.sol-control-col {
  width: 56px;
  min-width: 56px;
}

.sol-toggle {
  width: 28px;
  height: 28px;
  border: 1px solid var(--sol-border);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.sol-cell {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sol-tree-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.sol-tree-indent {
  display: inline-block;
  width: calc(var(--depth) * 18px);
  flex: 0 0 auto;
}

.sol-empty {
  padding: 28px;
  color: var(--sol-muted);
}

@media (max-width: 900px) {
  body {
    padding: 16px;
  }

  .sol-title-card,
  .sol-table-head {
    flex-direction: column;
    align-items: flex-start;
  }
}