:root {
  --bg: #e8eef2;
  --bg-accent: #d5e0e8;
  --surface: #f7fafc;
  --ink: #15202b;
  --muted: #5a6b7a;
  --line: #c5d0da;
  --accent: #0b6e4f;
  --accent-soft: #d8f0e7;
  --warn: #9a3412;
  --warn-soft: #ffedd5;
  --info: #1d4f91;
  --info-soft: #dbeafe;
  --danger: #9f1239;
  --radius: 10px;
  --shadow: 0 12px 40px rgba(21, 32, 43, 0.08);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 500px at 10% -10%, #cfe0ec 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #c9ddd4 0%, transparent 50%),
    var(--bg);
}

code,
pre,
.mono {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
}

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.brand {
  margin: 0 0 4px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.lede {
  margin: 8px 0 0;
  max-width: 42rem;
  color: var(--muted);
  line-height: 1.45;
}

.top-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

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

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 8px;
  padding: 8px 14px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.btn:hover {
  border-color: var(--accent);
}

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

.btn.ghost {
  background: transparent;
}

.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
}

.tab.active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 14px;
  min-height: 520px;
}

@media (max-width: 860px) {
  .split {
    grid-template-columns: 1fr;
  }
}

.list-pane,
.detail-pane,
.contract {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.list-pane {
  padding: 16px;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.list-head h2 {
  margin: 0;
  font-size: 1.1rem;
}

.list-head p {
  margin: 4px 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.search {
  display: grid;
  gap: 4px;
  margin-bottom: 10px;
  font-size: 0.8rem;
  color: var(--muted);
}

.search input {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  font: inherit;
  background: #fff;
}

.list {
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.row {
  text-align: left;
  width: 100%;
  border: 1px solid transparent;
  background: #fff;
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  font: inherit;
}

.row:hover,
.row.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.row-title {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-weight: 550;
}

.row-meta {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge.OPEN {
  background: var(--info-soft);
  color: var(--info);
}

.badge.IN_PROGRESS {
  background: var(--warn-soft);
  color: var(--warn);
}

.badge.CLOSED {
  background: #e5e7eb;
  color: #374151;
}

.badge.PREMIUM {
  background: var(--accent-soft);
  color: var(--accent);
}

.badge.BASIC {
  background: #eef2f7;
  color: #334155;
}

.detail-pane {
  padding: 18px;
}

.detail-pane.empty {
  display: grid;
  place-items: center;
  color: var(--muted);
}

.detail-pane h2 {
  margin: 0 0 4px;
  font-size: 1.2rem;
}

.detail-pane .sub {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.kv {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 8px 12px;
  margin: 0 0 16px;
  font-size: 0.92rem;
}

.kv dt {
  color: var(--muted);
}

.kv dd {
  margin: 0;
  word-break: break-word;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.contract {
  padding: 20px;
}

.contract h2 {
  margin: 0 0 12px;
}

.contract pre {
  margin: 0;
  white-space: pre-wrap;
  background: #102028;
  color: #d7e6ef;
  padding: 16px;
  border-radius: 8px;
  font-size: 0.82rem;
  line-height: 1.5;
}

.empty-list {
  color: var(--muted);
  padding: 20px 8px;
  text-align: center;
}