:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #5d6b7a;
  --line: #c9d3df;
  --surface: #ffffff;
  --band: #f4f7fa;
  --blue: #2457a6;
  --blue-dark: #193f7a;
  --green-bg: #d1e7dd;
  --green-ink: #0f5132;
  --red-bg: #f8d7da;
  --red-ink: #842029;
  --yellow-bg: #fff3cd;
  --yellow-ink: #664d03;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--band);
  line-height: 1.5;
}

a {
  color: var(--blue);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 3vw, 2.5rem);
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

h1,
h2 {
  margin: 0;
  line-height: 1.15;
}

.eyebrow {
  margin: 0 0 .15rem;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  font-size: .78rem;
  letter-spacing: 0;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem clamp(1rem, 3vw, 2.5rem) 2.5rem;
}

.layout.wide {
  grid-template-columns: 1fr;
}

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

.grid {
  display: grid;
  gap: .85rem;
  margin-bottom: .85rem;
}

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

label {
  display: grid;
  gap: .35rem;
  color: var(--ink);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #9eabba;
  border-radius: 6px;
  padding: .65rem .7rem;
  font: inherit;
  color: var(--ink);
  background: #ffffff;
}

textarea {
  min-height: 24rem;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .92rem;
}

textarea.short {
  min-height: 8rem;
}

.test-lines {
  min-height: 9rem;
}

.segmented {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  margin: .25rem 0 .85rem;
}

.segmented button {
  border: 0;
  border-right: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  padding: .55rem .8rem;
  cursor: pointer;
}

.segmented button:last-child {
  border-right: 0;
}

.segmented button.active {
  background: var(--blue);
  color: #ffffff;
}

.actions,
.header-actions,
.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: .65rem;
}

button,
.button,
.admin-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.45rem;
  border: 1px solid var(--blue);
  border-radius: 6px;
  padding: .55rem .85rem;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  background: #ffffff;
  color: var(--blue);
}

button.primary,
.button.primary,
.primary {
  background: var(--blue);
  color: #ffffff;
}

button.primary:hover,
.button.primary:hover,
.primary:hover {
  background: var(--blue-dark);
}

.button.secondary,
button.secondary {
  border-color: var(--line);
  color: var(--ink);
}

.button.danger,
button.danger {
  border-color: var(--red-ink);
  color: var(--red-ink);
}

.button.danger:hover,
button.danger:hover {
  background: var(--red-bg);
}

.button.compact,
button.compact {
  min-height: 2rem;
  padding: .3rem .55rem;
}

.note,
.notice {
  margin: .6rem 0;
  color: var(--muted);
}

.notice.success {
  color: var(--green-ink);
  background: var(--green-bg);
  border: 1px solid #a3cfbb;
  border-radius: 6px;
  padding: .7rem;
}

.notice.danger {
  color: var(--red-ink);
  background: var(--red-bg);
  border: 1px solid #f1aeb5;
  border-radius: 6px;
  padding: .7rem;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .8fr);
  gap: 1rem;
}

.checkbox {
  display: inline-flex;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: .45rem;
  font-weight: 700;
}

.checkbox input {
  width: auto;
}

.inline-form {
  display: inline;
}

.compact-actions {
  align-items: center;
  gap: .4rem;
}

.result-head,
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: .85rem;
}

.score {
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.6rem);
  color: var(--ink);
  white-space: nowrap;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
}

th,
td {
  border: 1px solid var(--line);
  padding: .65rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: #e9f0f6;
}

.status {
  display: inline-block;
  min-width: 6.5rem;
  padding: .15rem .45rem;
  border-radius: 4px;
  font-weight: 800;
}

.status.pass,
.status.tests-completed {
  color: var(--green-ink);
  background: var(--green-bg);
}

.status.fail,
.status.compile-error {
  color: var(--red-ink);
  background: var(--red-bg);
}

.status.error,
.status.timeout {
  color: var(--yellow-ink);
  background: var(--yellow-bg);
}

details {
  max-width: 46rem;
}

summary {
  cursor: pointer;
  color: var(--blue);
  font-weight: 700;
}

pre {
  white-space: pre-wrap;
  background: #f6f8fa;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  padding: .75rem;
  max-height: 22rem;
  overflow: auto;
}

.hidden {
  display: none !important;
}

small {
  color: var(--muted);
}

@media (max-width: 920px) {
  .layout,
  .admin-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .grid.two,
  .filter-row {
    grid-template-columns: 1fr;
  }

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

  table {
    display: block;
    overflow-x: auto;
  }
}