:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --surface: #ffffff;
  --surface-soft: #eef3ee;
  --ink: #18211d;
  --muted: #657269;
  --line: #d9dfd8;
  --accent: #176b5b;
  --accent-strong: #0f4d42;
  --amber: #b96b19;
  --red: #b53b34;
  --blue: #315f9b;
  --shadow: 0 20px 50px rgba(30, 40, 35, 0.08);
}

* {
  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;
  line-height: 1.5;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(246, 247, 244, 0.92);
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--surface);
  font-weight: 800;
}

.brand h1,
.brand p,
.intro-copy h2,
.intro-copy p,
.section-heading h3,
.section-heading p,
.dashboard-head h2,
.dashboard-head p,
.overall-score h3,
.overall-score p {
  margin: 0;
}

.brand h1 {
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.1;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(28px, 5vw, 56px) 0 56px;
}

.analysis-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: end;
  padding: clamp(28px, 5vw, 56px) 0;
}

.intro-copy {
  max-width: 610px;
}

.intro-copy h2 {
  margin-top: 10px;
  font-size: clamp(2rem, 6vw, 4.9rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.intro-copy p:not(.eyebrow) {
  margin-top: 22px;
  max-width: 52ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
}

.repo-form {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.repo-form label {
  display: block;
  margin-bottom: 10px;
  font-weight: 800;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
  color: var(--ink);
  background: #fbfcfb;
}

input:focus {
  outline: 3px solid rgba(23, 107, 91, 0.18);
  border-color: var(--accent);
}

.primary-button,
.secondary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 16px;
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
  transition:
    transform 140ms ease,
    background-color 140ms ease,
    border-color 140ms ease;
}

.primary-button {
  min-height: 48px;
  background: var(--accent);
  color: var(--surface);
}

.primary-button:hover,
.primary-button:focus-visible {
  background: var(--accent-strong);
}

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

.ghost-button {
  min-height: 36px;
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.secondary-button:hover,
.secondary-button:focus-visible,
.ghost-button:hover,
.ghost-button:focus-visible {
  border-color: var(--accent);
  background: var(--surface-soft);
}

button:active,
a:active {
  transform: translateY(1px);
}

.form-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-region {
  min-height: 44px;
}

.status-message {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  background: var(--surface);
  color: var(--muted);
}

.status-message strong {
  color: var(--ink);
}

.spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  animation: spin 800ms linear infinite;
  flex: 0 0 auto;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.dashboard {
  margin-top: 18px;
}

.is-hidden {
  display: none;
}

.dashboard-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0;
}

.dashboard-head h2 {
  margin-top: 4px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
}

.dashboard-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.score-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: 18px;
}

.overall-score,
.metric-card,
.report-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 32px rgba(30, 40, 35, 0.06);
}

.overall-score {
  display: flex;
  min-height: 310px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
}

.score-meter {
  display: grid;
  place-items: center;
  width: min(190px, 100%);
  aspect-ratio: 1;
  margin: 18px auto;
  border-radius: 50%;
  background:
    conic-gradient(var(--accent) var(--score-angle, 0deg), var(--surface-soft) 0),
    var(--surface-soft);
}

.score-meter span {
  display: grid;
  place-items: center;
  width: 72%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
}

.overall-score h3 {
  font-size: 1.4rem;
}

.overall-score p:last-child {
  margin-top: 8px;
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.metric-card {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.metric-card header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.metric-card h3 {
  margin: 0;
  font-size: 1rem;
}

.metric-card strong {
  font-size: 1.45rem;
}

.metric-card p {
  margin: 0;
  color: var(--muted);
}

.bar {
  overflow: hidden;
  height: 8px;
  border-radius: 999px;
  background: var(--surface-soft);
}

.bar span {
  display: block;
  width: var(--bar-width, 0%);
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.metric-card[data-tone="warn"] .bar span,
.overall-score[data-tone="warn"] .score-meter {
  --accent: var(--amber);
}

.metric-card[data-tone="bad"] .bar span,
.overall-score[data-tone="bad"] .score-meter {
  --accent: var(--red);
}

.metric-card[data-tone="info"] .bar span,
.overall-score[data-tone="info"] .score-meter {
  --accent: var(--blue);
}

.report-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.report-section {
  padding: 20px;
}

.evidence-section {
  grid-column: 1 / -1;
}

.section-heading {
  margin-bottom: 14px;
}

.section-heading h3 {
  margin-top: 4px;
  font-size: 1.28rem;
}

.summary-list,
.risk-list,
.evidence-list {
  display: grid;
  gap: 12px;
}

.summary-item,
.risk-item,
.evidence-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fbfcfb;
}

.summary-item strong,
.risk-item strong,
.evidence-item strong {
  display: block;
  margin-bottom: 4px;
}

.summary-item p,
.risk-item p,
.evidence-item p {
  margin: 0;
  color: var(--muted);
}

.risk-item {
  border-left: 4px solid var(--amber);
}

.risk-item[data-severity="high"] {
  border-left-color: var(--red);
}

.risk-item[data-severity="low"] {
  border-left-color: var(--accent);
}

.question-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 22px;
}

.question-list li {
  padding-left: 4px;
  color: var(--ink);
}

.evidence-item a {
  color: var(--accent-strong);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.app-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 42px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 860px) {
  .app-header,
  .dashboard-head {
    align-items: flex-start;
    flex-direction: column;
  }

  nav,
  .dashboard-actions {
    justify-content: flex-start;
  }

  .analysis-panel,
  .score-layout,
  .report-layout {
    grid-template-columns: 1fr;
  }

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

  .intro-copy h2 {
    max-width: 10ch;
  }
}

@media (max-width: 560px) {
  main {
    width: min(100% - 24px, 1180px);
    padding-top: 18px;
  }

  .app-header {
    padding: 18px 12px;
  }

  .brand {
    align-items: flex-start;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .primary-button,
  .secondary-button,
  .ghost-button {
    width: 100%;
  }

  nav,
  .dashboard-actions {
    width: 100%;
  }

  .repo-form,
  .overall-score,
  .metric-card,
  .report-section {
    padding: 16px;
  }
}

@media print {
  .app-header,
  .analysis-panel,
  .dashboard-actions,
  .app-footer,
  .status-region {
    display: none;
  }

  body {
    background: #fff;
  }

  main {
    width: 100%;
    padding: 0;
  }

  .dashboard {
    display: block;
  }

  .score-layout,
  .report-layout,
  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .overall-score,
  .metric-card,
  .report-section {
    box-shadow: none;
    break-inside: avoid;
  }
}