:root {
  --bg: #f4efe7;
  --bg-deep: #e6ddcf;
  --surface: rgba(255, 252, 246, 0.84);
  --surface-strong: #fffaf2;
  --ink: #1f2933;
  --muted: #5f6c78;
  --line: rgba(31, 41, 51, 0.14);
  --accent: #0d5c63;
  --accent-strong: #063d43;
  --warm: #d69f3a;
  --high: #b03a2e;
  --medium: #b77b15;
  --low: #2d6a4f;
  --shadow: 0 20px 45px rgba(25, 32, 37, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(214, 159, 58, 0.22), transparent 28rem),
    radial-gradient(circle at top right, rgba(13, 92, 99, 0.18), transparent 24rem),
    linear-gradient(180deg, var(--bg), var(--bg-deep));
  font-family: "Avenir Next", "Trebuchet MS", Verdana, sans-serif;
}

a {
  color: inherit;
}

.page-shell {
  width: min(1240px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

.site-header,
.hero-panel,
.report-hero,
.summary-card-grid,
.risk-band,
.content-grid,
.upload-grid,
.scenario-section {
  animation: rise-in 420ms ease both;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.wordmark-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  background: linear-gradient(145deg, var(--accent), var(--accent-strong));
  color: #f8f4eb;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  font-size: 1rem;
  letter-spacing: 0.12em;
}

.wordmark-text,
h1,
h2,
h3,
h4 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
}

.wordmark-text {
  font-size: 1.1rem;
}

.site-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.95rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
}

.content-column,
.scenario-card,
.finding-card,
.boundary-card,
.observation-card,
.metric-card,
.risk-chip {
  min-width: 0;
}

.page-main {
  display: grid;
  gap: 1.5rem;
}

.hero-panel,
.upload-grid,
.content-grid {
  display: grid;
  gap: 1.5rem;
}

.hero-panel {
  grid-template-columns: minmax(0, 1.6fr) minmax(18rem, 0.9fr);
}

.hero-copy,
.panel,
.metric-card,
.risk-chip {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-copy,
.panel,
.metric-card,
.risk-chip,
.hero-sidecar .sidecar-card {
  border-radius: var(--radius-xl);
}

.hero-copy {
  padding: 2.25rem;
}

.hero-copy h1 {
  font-size: clamp(1.25rem, 1.9vw, 1.8rem);
  line-height: 1.18;
}

.hero-sidecar {
  display: flex;
}

.hero-sidecar .sidecar-card {
  width: 100%;
  height: 100%;
  padding: 1.75rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(13, 92, 99, 0.1), rgba(255, 250, 242, 0.8)),
    var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  line-height: 0.95;
}

h2 {
  margin: 0;
  font-size: 1.8rem;
}

.lede {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.6;
}

.upload-grid,
.content-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.upload-grid {
  grid-template-columns: minmax(0, 52rem);
}

.panel {
  padding: 1.5rem;
}

.panel-header {
  margin-bottom: 1.1rem;
}

.panel-header h2 {
  font-size: 1.45rem;
}

.upload-form {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field span {
  font-weight: 700;
}

.field input[type="text"],
.field input[type="file"] {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(31, 41, 51, 0.18);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  color: var(--ink);
  font: inherit;
}

.field small,
.meta-line {
  color: var(--muted);
}

.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  border: 0;
  text-decoration: none;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fffaf2;
}

.button-secondary {
  background: rgba(13, 92, 99, 0.08);
  color: var(--accent-strong);
}

.section-copy {
  display: grid;
  gap: 0.6rem;
}

.alert-error {
  margin-bottom: 1rem;
  padding: 0.95rem 1rem;
  border-left: 5px solid var(--high);
  border-radius: var(--radius-md);
  background: rgba(176, 58, 46, 0.1);
  color: #6b2018;
}

.note-block + .note-block {
  margin-top: 1rem;
}

.note-block pre,
.code-block {
  margin: 0.65rem 0 0;
  padding: 1rem;
  overflow-x: auto;
  border-radius: var(--radius-md);
  background: #1e252b;
  color: #f7f4ee;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.92rem;
}

.report-hero {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
}

.report-hero h1 {
  font-size: clamp(1.35rem, 2.2vw, 2.4rem);
  line-height: 1.05;
}

.report-jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.report-jump-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: rgba(13, 92, 99, 0.08);
  color: var(--accent-strong);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}

.report-label-row,
.scenario-card-topline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  flex-wrap: wrap;
}

.summary-card-grid,
.risk-band {
  display: grid;
  gap: 1rem;
}

.summary-card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card,
.risk-chip {
  padding: 1.2rem 1.3rem;
}

.metric-card p,
.risk-chip span {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.metric-card strong,
.risk-chip strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 2rem;
}

.risk-band {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.risk-chip {
  border-radius: var(--radius-lg);
}

.risk-high {
  background: linear-gradient(180deg, rgba(176, 58, 46, 0.18), rgba(255, 252, 246, 0.85));
}

.risk-medium {
  background: linear-gradient(180deg, rgba(183, 123, 21, 0.18), rgba(255, 252, 246, 0.85));
}

.risk-low {
  background: linear-gradient(180deg, rgba(45, 106, 79, 0.18), rgba(255, 252, 246, 0.85));
}

.scenario-section {
  display: grid;
  gap: 1.25rem;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.scenario-card {
  display: grid;
  gap: 1rem;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.scenario-card h3 {
  margin: 0;
  font-size: 1.45rem;
}

.scenario-description {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.scenario-safe {
  background:
    linear-gradient(180deg, rgba(45, 106, 79, 0.12), rgba(255, 252, 246, 0.88)),
    var(--surface);
}

.scenario-mixed,
.scenario-balanced,
.scenario-trust {
  background:
    linear-gradient(180deg, rgba(13, 92, 99, 0.1), rgba(255, 252, 246, 0.88)),
    var(--surface);
}

.scenario-nightmare {
  background:
    linear-gradient(180deg, rgba(176, 58, 46, 0.16), rgba(255, 252, 246, 0.88)),
    var(--surface);
}

.scenario-file {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  background: rgba(31, 41, 51, 0.08);
  color: var(--muted);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.75rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
  word-break: break-word;
  max-width: 100%;
}

.scenario-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0;
}

.scenario-metrics dt {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scenario-metrics dd {
  margin: 0.2rem 0 0;
  font-size: 1.4rem;
  font-weight: 700;
}

.scenario-severity-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.severity-mini {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.severity-high {
  background: rgba(176, 58, 46, 0.12);
  color: var(--high);
}

.severity-medium {
  background: rgba(183, 123, 21, 0.14);
  color: var(--medium);
}

.severity-low {
  background: rgba(45, 106, 79, 0.12);
  color: var(--low);
}

.severity-block + .severity-block,
.panel + .panel {
  margin-top: 1.25rem;
}

.severity-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.severity-count,
.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(13, 92, 99, 0.1);
  color: var(--accent-strong);
  font-size: 0.8rem;
}

.finding-card,
.boundary-card,
.observation-card {
  padding: 1rem 1.05rem;
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.finding-card + .finding-card,
.boundary-card + .boundary-card,
.observation-card + .observation-card {
  margin-top: 0.9rem;
}

.finding-card header {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: start;
  flex-wrap: wrap;
}

.finding-high {
  border-left: 5px solid var(--high);
}

.finding-medium {
  border-left: 5px solid var(--medium);
}

.finding-low {
  border-left: 5px solid var(--low);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1rem;
  margin: 1rem 0 0;
}

.detail-grid dt {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.detail-grid dd {
  margin: 0.2rem 0 0;
}

.detail-span {
  grid-column: 1 / -1;
}

.evidence-list,
.feature-list {
  margin: 0;
  padding-left: 1.1rem;
}

.evidence-list li,
.feature-list li {
  margin-top: 0.5rem;
}

.boundary-list {
  display: grid;
  gap: 0.9rem;
}

.empty-state {
  color: var(--muted);
}

details summary {
  cursor: pointer;
  font-weight: 700;
}

details + details {
  margin-top: 0.9rem;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero-panel,
  .upload-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

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

  .risk-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .report-hero,
  .site-header {
    flex-direction: column;
    align-items: start;
  }

  .report-hero .button-secondary {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 1rem, 1240px);
  }

  .site-nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 0.55rem;
  }

  .site-nav a {
    flex: 1 1 calc(50% - 0.55rem);
    justify-content: center;
    padding: 0.65rem 0.8rem;
    border-radius: 999px;
    background: rgba(13, 92, 99, 0.08);
    text-align: center;
  }

  .hero-copy,
  .panel,
  .metric-card,
  .risk-chip,
  .hero-sidecar .sidecar-card,
  .scenario-card {
    padding: 1.1rem;
  }

  h1 {
    line-height: 1.02;
  }

  .wordmark {
    width: 100%;
  }

  .wordmark-text {
    font-size: 1rem;
  }

  .summary-card-grid,
  .risk-band,
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .metric-card strong,
  .risk-chip strong {
    font-size: 1.55rem;
  }

  .report-jump-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .report-jump-nav a,
  .button-primary,
  .button-secondary {
    width: 100%;
  }

  .report-label-row,
  .severity-header {
    align-items: start;
  }

  .code-block {
    font-size: 0.82rem;
  }

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

  .scenario-metrics {
    grid-template-columns: 1fr;
  }
}