:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #eef2f6;
  --ink: #17202a;
  --muted: #667085;
  --line: #d8e0ea;
  --focus: #316ecb;
  --danger: #b4233d;
  --a-bg: #ffe2e7;
  --a-border: #d94862;
  --b-bg: #dcecff;
  --b-border: #3576be;
  --c-bg: #fff1bf;
  --c-border: #b88916;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 42px;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.back-link {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--focus);
  outline: none;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.08;
}

h2 {
  font-size: 22px;
}

.summary-strip {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.summary-strip span {
  display: inline-flex;
  min-width: 68px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.summary-strip b {
  color: var(--ink);
}

.lookup-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(340px, 1.18fr);
  gap: 22px;
  align-items: stretch;
  margin-top: 24px;
}

.lookup-panel,
.source-panel,
.table-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 30px rgb(17 24 39 / 6%);
}

.lookup-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
}

.lookup-panel label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 92px;
  gap: 10px;
}

input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 14px;
  background: #fbfcfe;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
}

input:focus {
  border-color: var(--focus);
  outline: 3px solid rgb(49 110 203 / 18%);
}

button {
  min-height: 44px;
  border: 1px solid var(--focus);
  border-radius: 6px;
  background: var(--focus);
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
}

button:hover,
button:focus-visible {
  filter: brightness(0.96);
  outline: 3px solid rgb(49 110 203 / 18%);
}

.clear-button {
  min-width: 76px;
  border-color: var(--line);
  background: var(--surface);
  color: var(--muted);
}

.result {
  display: grid;
  min-height: 118px;
  align-content: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--surface-soft);
}

.result-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.result strong {
  display: block;
  font-size: clamp(26px, 7vw, 54px);
  line-height: 1;
}

.result[data-state="found"] {
  border-color: var(--focus);
  background: #eaf2ff;
}

.result[data-state="multi"] {
  border-color: var(--a-border);
  background: #fff1f3;
}

.result[data-state="missing"] {
  border-color: var(--danger);
  background: #fff0f0;
}

.source-panel {
  overflow: hidden;
  min-height: 280px;
}

.source-panel img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.table-section {
  margin-top: 22px;
  padding: 20px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.server-groups {
  display: grid;
  gap: 18px;
}

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

.group-title {
  display: flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
}

.server-group[data-group="A"] .group-title {
  background: var(--a-bg);
  color: #8f1830;
}

.server-group[data-group="B"] .group-title {
  background: var(--b-bg);
  color: #174f8d;
}

.server-group[data-group="C"] .group-title {
  background: var(--c-bg);
  color: #72560b;
}

.server-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(38px, 1fr));
  background: var(--line);
  gap: 1px;
}

.server-cell {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: #26313d;
  font-size: clamp(14px, 2.5vw, 18px);
  font-weight: 800;
}

.server-cell.empty {
  color: transparent;
}

.server-cell.match {
  background: #17202a;
  color: #ffffff;
  box-shadow: inset 0 0 0 3px #f7c948;
}

@media (max-width: 820px) {
  .shell {
    width: min(100% - 24px, 1180px);
    padding-top: 18px;
  }

  .topbar,
  .lookup-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .summary-strip {
    width: 100%;
    justify-content: space-between;
  }

  .summary-strip span {
    flex: 1;
  }

  .lookup-grid {
    gap: 14px;
  }
}

@media (max-width: 520px) {
  .input-row {
    grid-template-columns: 1fr;
  }

  .server-grid {
    grid-template-columns: repeat(7, minmax(32px, 1fr));
  }

  .server-cell {
    min-height: 36px;
  }
}