:root {
  color-scheme: light;
  --bg: #f6f6f3;
  --panel: #ffffff;
  --ink: #171a1d;
  --muted: #60666c;
  --line: #d8d5cc;
  --soft: #ece9df;
  --accent: #116a61;
  --accent-dark: #0a4f48;
  --warn: #9a5a00;
  --bad: #a22b2b;
  --shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}

button,
input,
textarea {
  font: inherit;
}

.app-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 18px;
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.input-panel,
.results-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.input-panel {
  position: sticky;
  top: 18px;
}

form {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.field {
  display: grid;
  gap: 7px;
}

.field span,
.search-box span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

textarea,
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

textarea:focus,
input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(17, 106, 97, 0.14);
}

textarea {
  min-height: 260px;
  resize: vertical;
  padding: 11px;
  line-height: 1.45;
}

input {
  min-height: 38px;
  padding: 8px 10px;
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.toggles {
  display: grid;
  gap: 9px;
}

.toggles label {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 14px;
}

.toggles input {
  width: 16px;
  min-height: 16px;
  accent-color: var(--accent);
}

.primary {
  min-height: 42px;
  border: 0;
  border-radius: 4px;
  background: var(--accent);
  color: white;
  font-weight: 700;
  cursor: pointer;
}

.primary:hover {
  background: var(--accent-dark);
}

.primary:disabled {
  opacity: 0.62;
  cursor: wait;
}

.coverage {
  padding: 16px;
}

.coverage h2 {
  margin: 0 0 8px;
  font-size: 15px;
}

.coverage p {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.45;
}

.coverage ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.5;
  font-size: 13px;
}

.roadmap-panel {
  border-top: 1px solid var(--line);
}

.roadmap-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 10px;
}

.roadmap-stats div,
.roadmap-item {
  border: 1px solid var(--line);
  background: #fbfaf6;
  padding: 8px;
}

.roadmap-stats strong {
  display: block;
  font-size: 16px;
}

.roadmap-stats span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.roadmap-panel summary {
  cursor: pointer;
  font-weight: 700;
}

.roadmap-list {
  display: grid;
  gap: 8px;
  margin-top: 10px;
  max-height: 420px;
  overflow: auto;
}

.roadmap-item h3 {
  margin: 0 0 6px;
  font-size: 13px;
}

.roadmap-item p {
  margin: 0 0 7px;
  font-size: 12px;
}

.roadmap-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.roadmap-tags span {
  display: inline-flex;
  padding: 3px 6px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 11px;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr minmax(220px, 300px);
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  align-items: end;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.summary-grid div {
  min-height: 54px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  background: var(--soft);
}

.summary-grid span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.summary-grid strong {
  display: block;
  margin-top: 4px;
  font-size: 18px;
}

.search-box {
  display: grid;
  gap: 7px;
}

.notice {
  margin: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  background: #fbfaf6;
  line-height: 1.4;
}

.notice strong {
  display: block;
  margin-bottom: 2px;
}

.notice span {
  color: var(--muted);
}

.notice.error {
  border-color: #d8a1a1;
  background: #fff4f4;
}

.notice.success {
  border-color: #9fcac2;
  background: #f2fbf8;
}

.results-list {
  display: grid;
  gap: 10px;
  padding: 0 14px 14px;
}

.result-card {
  border: 1px solid var(--line);
  background: #fff;
}

.result-card header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.result-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-title h2 {
  margin: 0;
  font-size: 16px;
  line-height: 1.3;
}

.score-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  height: 28px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 13px;
}

.key-line {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 13px;
  word-break: break-word;
}

.copy-button {
  align-self: start;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

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

.result-card pre {
  margin: 0;
  padding: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 230px;
  overflow: auto;
  line-height: 1.45;
  background: #fff;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 12px 12px;
}

.meta-row span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 7px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.skipped-box {
  margin: 0 14px 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.skipped-box summary {
  cursor: pointer;
  padding: 10px 12px;
  font-weight: 700;
}

.unsupported-list {
  display: grid;
  gap: 6px;
  padding: 0 12px 12px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 980px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .input-panel {
    position: static;
  }

  textarea {
    min-height: 190px;
  }
}

@media (max-width: 680px) {
  .app-shell {
    padding: 10px;
  }

  .toolbar,
  .controls {
    grid-template-columns: 1fr;
  }

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

  .result-card header {
    display: grid;
  }
}