:root {
  color-scheme: light;
  --ink: #172013;
  --muted: #556151;
  --line: rgba(23, 32, 19, 0.12);
  --panel: rgba(252, 251, 245, 0.92);
  --accent: #4f772d;
  --accent-soft: rgba(79, 119, 45, 0.12);
  --accent-alt: #8aa34a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(138, 163, 74, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(79, 119, 45, 0.18), transparent 26%),
    linear-gradient(135deg, #f6f3e7 0%, #eeefe4 48%, #e8ede2 100%);
}

.topbar {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 10px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.topbar h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 0.95;
}

.subtitle {
  margin: 0;
  max-width: 52rem;
  line-height: 1.6;
  color: var(--muted);
}

.portal-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.portal-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink);
  text-decoration: none;
}

.layout {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 42px;
  display: grid;
  grid-template-columns: minmax(340px, 430px) minmax(0, 1fr);
  gap: 18px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 42px rgba(23, 32, 19, 0.08);
}

.controls-panel {
  padding: 24px;
  display: grid;
  gap: 24px;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.section-head h2 {
  margin: 0;
  font-size: 1.1rem;
}

.section-copy {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.help-icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  border-radius: 999px;
  border: 1px solid rgba(79, 119, 45, 0.26);
  background: rgba(79, 119, 45, 0.08);
  color: var(--accent);
  padding: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1;
}

.help-icon:hover {
  background: rgba(79, 119, 45, 0.16);
}

.preset-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 16px;
}

.preset-btn {
  border: 1px solid rgba(79, 119, 45, 0.22);
  background: rgba(79, 119, 45, 0.06);
  color: var(--ink);
  border-radius: 14px;
  padding: 12px;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.preset-btn.active {
  background: var(--accent-soft);
  border-color: rgba(79, 119, 45, 0.38);
}

.preset-btn strong {
  display: block;
  margin-bottom: 6px;
}

.preset-btn span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.controls {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.control {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.62);
}

.control-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  font-weight: 500;
}

.control-copy,
.control-impact,
.range-caption {
  margin: 0;
  line-height: 1.5;
}

.control-copy {
  color: var(--ink);
  font-size: 0.94rem;
}

.control-impact,
.range-caption {
  color: var(--muted);
  font-size: 0.9rem;
}

.control output {
  font-family: "IBM Plex Mono", monospace;
  color: var(--accent);
}

.control input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.results-column {
  display: grid;
  gap: 18px;
}

.hero-panel {
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 16px;
  align-items: end;
}

.eyebrow {
  margin: 0 0 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.hero-panel h2 {
  margin: 0;
  font-size: clamp(3rem, 6vw, 4.9rem);
  line-height: 0.92;
  color: var(--accent);
}

.hero-label,
.stat-label {
  margin: 0;
  color: var(--muted);
}

.hero-meta {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: 22px;
  background: var(--accent-soft);
}

.hero-meta strong {
  font-size: 1.45rem;
}

.dimension-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.dimension-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
}

.dimension-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.dimension-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.4rem;
}

.chart {
  height: 360px;
  margin-top: 14px;
}

.chart.compact {
  height: 320px;
}

.chart-grid {
  display: grid;
  gap: 16px;
  margin-top: 14px;
}

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

.results-column > .panel:not(.hero-panel) {
  padding: 24px;
}

.narrative-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.narrative-grid article {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.64);
}

.narrative-grid h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.narrative-grid p {
  margin: 0;
  color: var(--ink);
  line-height: 1.6;
}

.text-list {
  margin: 0;
  padding-left: 18px;
}

.text-list li {
  margin-bottom: 8px;
  line-height: 1.55;
  color: var(--ink);
}

.help-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
}

.help-modal.open {
  display: block;
}

.help-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(23, 32, 19, 0.44);
}

.help-dialog {
  position: relative;
  width: min(680px, calc(100vw - 28px));
  margin: 8vh auto 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(252, 251, 245, 0.98);
  box-shadow: 0 20px 45px rgba(23, 32, 19, 0.24);
}

.help-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.help-header h3 {
  margin: 0;
  font-size: 1rem;
}

.help-close {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.help-body {
  padding-top: 12px;
}

.help-body p {
  margin: 0 0 10px;
  line-height: 1.6;
}

@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .dimension-grid,
  .chart-grid.two-up,
  .narrative-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .topbar {
    width: min(100% - 24px, 1240px);
    flex-direction: column;
  }

  .layout {
    width: min(100% - 24px, 1240px);
  }

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