:root {
  --paper: #f6f1e8;
  --ink: #14201d;
  --muted: #5d6b66;
  --panel: rgba(255, 252, 247, 0.94);
  --line: rgba(20, 32, 29, 0.1);
  --shadow: 0 24px 70px rgba(20, 32, 29, 0.12);
  --green: #2a7f62;
  --green-soft: #d8efe5;
  --amber: #bb7d22;
  --amber-soft: #f5e4c3;
  --brick: #af5036;
  --brick-soft: #f2d7cf;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(204, 167, 103, 0.18), transparent 30%),
    linear-gradient(180deg, #f8f4ec 0%, #efe6d7 100%);
  min-height: 100vh;
}

.page-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero,
.panel,
.footer-note {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.6fr 0.9fr;
  gap: 24px;
  border-radius: 28px;
  padding: 28px;
  overflow: hidden;
}

.hero-copy h1 {
  font-size: clamp(2.3rem, 5vw, 4.4rem);
  line-height: 0.95;
  margin: 0 0 14px;
  letter-spacing: -0.04em;
}

.eyebrow,
.panel-kicker,
.summary-label,
.result-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--muted);
}

.hero-text,
.hero-side-text,
.field-guide p,
.footer-note p {
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--muted);
}

.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-notes span {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(20, 32, 29, 0.06);
  font-size: 0.9rem;
}

.hero-side {
  align-self: stretch;
  border-radius: 24px;
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(42, 127, 98, 0.1), rgba(20, 32, 29, 0.04)),
    rgba(255, 255, 255, 0.62);
}

.hero-stat strong {
  display: block;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1;
  margin-top: 10px;
}

.layout-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 22px;
  margin-top: 22px;
}

.panel {
  border-radius: 26px;
  padding: 24px;
}

.panel-header h2 {
  margin: 0;
  font-size: 2rem;
}

.sim-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}

.quarter-group {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}

.quarter-group legend {
  width: 100%;
  margin-bottom: 2px;
  font-size: 0.95rem;
}

.radio-chip {
  position: relative;
}

.radio-chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-chip span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(20, 32, 29, 0.14);
  background: rgba(255, 255, 255, 0.9);
  font: inherit;
  cursor: pointer;
}

.radio-chip input:checked + span {
  background: var(--green-soft);
  border-color: rgba(42, 127, 98, 0.42);
}

.advanced-controls {
  grid-column: 1 / -1;
  border: 1px solid rgba(20, 32, 29, 0.1);
  border-radius: 16px;
  padding: 10px 12px 12px;
  background: rgba(255, 255, 255, 0.62);
}

.advanced-controls summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
}

.timeout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.timeout-group {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
}

.timeout-group legend {
  grid-column: 1 / -1;
  font-size: 0.85rem;
  color: var(--muted);
}

.timeout-group .radio-chip span {
  min-height: 38px;
  padding: 8px;
}

.sim-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.95rem;
}

.slider-field {
  gap: 10px;
}

.slider-field input[type="range"] {
  height: 14px;
  background: linear-gradient(
    90deg,
    #136779 0%,
    #136779 var(--fill-percent, 50%),
    rgba(20, 32, 29, 0.12) var(--fill-percent, 50%),
    rgba(20, 32, 29, 0.12) 100%
  );
}

.field-position-field {
  grid-column: 1 / -1;
  padding: 24px 26px 22px;
  margin-bottom: 10px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(239, 243, 241, 0.9));
  border: 1px solid rgba(20, 32, 29, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.field-position-field .slider-meta {
  align-items: center;
}

.field-position-field .slider-meta span {
  font-size: 1rem;
  font-weight: 700;
}

.field-position-field .slider-meta strong {
  font-size: clamp(1.65rem, 3.2vw, 2.55rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.slider-landmarks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.slider-landmarks span:nth-child(2) {
  text-align: center;
}

.slider-landmarks span:last-child {
  text-align: right;
}

.slider-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.slider-meta strong {
  font-size: 1.08rem;
}

.sim-form input,
.sim-form select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(20, 32, 29, 0.14);
  background: rgba(255, 255, 255, 0.9);
  font: inherit;
  color: var(--ink);
}

.sim-form input[type="range"] {
  padding: 0;
  appearance: none;
  height: 10px;
  border: 0;
  border-radius: 999px;
  background: rgba(20, 32, 29, 0.14);
}

.sim-form input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid rgba(20, 32, 29, 0.12);
  box-shadow: 0 4px 10px rgba(20, 32, 29, 0.2);
}

.sim-form input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid rgba(20, 32, 29, 0.12);
  box-shadow: 0 4px 10px rgba(20, 32, 29, 0.2);
}

.sim-form input[type="range"]::-moz-range-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(20, 32, 29, 0.14);
}

.field-position-field input[type="range"] {
  height: 16px;
}

.field-position-field input[type="range"]::-webkit-slider-thumb {
  width: 28px;
  height: 28px;
  background: #ffffff;
  border: 1px solid rgba(20, 32, 29, 0.12);
}

.field-position-field input[type="range"]::-moz-range-thumb {
  width: 28px;
  height: 28px;
  background: #ffffff;
  border: 1px solid rgba(20, 32, 29, 0.12);
}

.sim-form input[type="range"].is-reversed {
  direction: rtl;
}

.primary-button {
  grid-column: 1 / -1;
  margin-top: 8px;
  padding: 14px 18px;
  border-radius: 18px;
  border: 0;
  background: linear-gradient(135deg, #8f6324, #c2944e);
  color: #fffaf0;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(143, 99, 36, 0.22);
}

.field-guide {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.summary-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
  padding: 16px;
  border-radius: 22px;
  background: rgba(20, 32, 29, 0.05);
}

.summary-band strong {
  display: block;
  margin-top: 6px;
  font-size: 1.2rem;
}

.summary-band[data-recommendation="go"] {
  background: var(--green-soft);
}

.summary-band[data-recommendation="fieldGoal"] {
  background: var(--amber-soft);
}

.summary-band[data-recommendation="punt"] {
  background: var(--brick-soft);
}

.result-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.result-card {
  border-radius: 24px;
  padding: 18px;
  min-height: 172px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.74);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.result-card strong {
  display: block;
  font-size: 2rem;
  margin: 10px 0;
}

.result-card-go {
  background: linear-gradient(180deg, rgba(42, 127, 98, 0.16), rgba(255, 255, 255, 0.72));
}

.result-card-fg {
  background: linear-gradient(180deg, rgba(187, 125, 34, 0.15), rgba(255, 255, 255, 0.72));
}

.result-card-punt {
  background: linear-gradient(180deg, rgba(175, 80, 54, 0.15), rgba(255, 255, 255, 0.72));
}

.result-card-active {
  transform: translateY(-3px);
  border-color: rgba(20, 32, 29, 0.18);
  box-shadow: 0 18px 40px rgba(20, 32, 29, 0.1);
}

.assumptions {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.assumptions dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
}

.assumptions dt {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.assumptions dd {
  margin: 8px 0 0;
  font-size: 1rem;
}

.footer-note {
  margin-top: 22px;
  border-radius: 22px;
  padding: 18px 22px;
}

code {
  font-family: "SFMono-Regular", Consolas, monospace;
  background: rgba(20, 32, 29, 0.06);
  padding: 2px 6px;
  border-radius: 6px;
}

@media (max-width: 920px) {
  .hero,
  .layout-grid,
  .result-cards,
  .assumptions dl,
  .summary-band {
    grid-template-columns: 1fr;
  }

  .sim-form {
    grid-template-columns: 1fr;
  }

  .quarter-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

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