:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --ink: #152024;
  --muted: #68767d;
  --line: #dbe2e5;
  --accent: #0f8b8d;
  --accent-strong: #0a5f61;
  --danger: #b42318;
  --ok: #0b7a3b;
  --warn: #a15c00;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.topbar,
.control-strip,
.metric-grid,
.layout {
  margin-bottom: 16px;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.05;
}

h2 {
  font-size: 18px;
}

.status-pill {
  min-width: 132px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  padding: 10px 12px;
  text-align: center;
  font-weight: 700;
}

.status-pill.ok {
  border-color: #a9d9bf;
  color: var(--ok);
}

.status-pill.bad {
  border-color: #f0b8b2;
  color: var(--danger);
}

.control-strip {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: end;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 14px;
}

.api-field {
  display: grid;
  gap: 6px;
}

.api-field span,
.panel-head span,
.metric span {
  color: var(--muted);
  font-size: 13px;
}

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

button {
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
  padding: 11px 14px;
}

button:hover {
  background: var(--accent-strong);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.metric {
  display: grid;
  gap: 8px;
  min-height: 94px;
  padding: 16px;
}

.metric strong {
  font-size: 24px;
}

.layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
}

.panel {
  padding: 18px;
}

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

.slot-list {
  display: grid;
  gap: 10px;
}

.slot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
}

.slot p,
.guard-list {
  color: var(--muted);
  font-size: 14px;
}

code {
  border-radius: 4px;
  background: #ecf4f4;
  color: var(--accent-strong);
  font-weight: 800;
  padding: 5px 7px;
}

.guard-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
}

.candidates-panel {
  margin-top: 16px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 11px 9px;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

td {
  font-size: 14px;
}

.symbol {
  display: grid;
  gap: 2px;
}

.symbol strong {
  font-size: 15px;
}

.positive {
  color: var(--danger);
  font-weight: 800;
}

.empty {
  color: var(--muted);
  padding: 30px 9px;
  text-align: center;
}

@media (max-width: 820px) {
  .topbar,
  .control-strip,
  .layout {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: stretch;
  }

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

@media (max-width: 520px) {
  .shell {
    width: min(100% - 20px, 1180px);
    padding-top: 18px;
  }

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

  .metric strong {
    font-size: 21px;
  }
}