:root {
  --ply: #f2efe9;
  --yellow: #ffc53d;
  --steel: #3a4a5c;
  --mint: #4cc38a;
  --ink: #2c3540;
  --mute: #6b7785;
  --late: #c23b2a;
  --display: "Nunito", "PingFang SC", sans-serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "Space Mono", ui-monospace, Menlo, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 72px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--ply);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-link {
  color: var(--yellow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.ply-veil {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1;
  opacity: 0.18;
  background-image: url("images/texture.webp");
  background-size: 220px auto;
  mix-blend-mode: multiply;
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: 12px;
  top: 8px;
  z-index: 40;
  background: var(--yellow);
  color: var(--steel);
  padding: 6px 10px;
}

.yellow-rail {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 22px;
  background: rgba(242, 239, 233, 0.95);
  border-bottom: 6px solid var(--yellow);
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-size: 26px;
  font-weight: 800;
}

.brand small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  color: var(--mute);
  letter-spacing: 0.12em;
}

.clay-arm {
  width: 22px;
  height: 22px;
  background: var(--yellow);
  border-radius: 6px 6px 10px 4px;
  box-shadow: 8px 6px 0 var(--mint);
}

.arm-nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 14px;
}

.arm-nav a.is-active {
  color: var(--steel);
  box-shadow: inset 0 -3px 0 var(--yellow);
}

.arm-nav .live {
  background: var(--steel);
  color: #fff;
  padding: 4px 10px;
  border-radius: 8px;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: var(--yellow);
  color: var(--steel);
  border: 0;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  font-family: var(--display);
  font-weight: 800;
}

.hero {
  position: relative;
  z-index: 2;
  padding: 28px 28px 36px;
}

.safety-yellow {
  background: linear-gradient(180deg, var(--yellow) 0 86px, var(--ply) 86px);
}

.sheet-kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
  margin: 0 0 12px;
}

.snap-rail {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.teach-block {
  background: var(--steel);
  color: #fff;
  padding: 10px 16px 8px;
  border-radius: 12px;
  font-family: var(--display);
  font-weight: 800;
  min-width: 92px;
  box-shadow: 4px 0 0 #2a3542;
}

.teach-block.mint {
  background: var(--mint);
  color: #163226;
  box-shadow: 4px 0 0 #2f8a5e;
}

.teach-block small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  opacity: 0.85;
}

.sheet-body {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: start;
}

.kit-box {
  margin: 0;
  background: #fff;
  padding: 10px;
  border-radius: 18px;
  box-shadow: 8px 8px 0 var(--steel);
}

.kit-box img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 10px;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 800;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 14px;
}

.lead {
  margin: 0 0 16px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.chip {
  font-family: var(--mono);
  font-size: 11px;
  border: 1px solid var(--steel);
  padding: 3px 8px;
  border-radius: 8px;
}

.chip.warn {
  border-color: var(--late);
  color: var(--late);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-block;
  padding: 10px 16px;
  font-size: 14px;
  border-radius: 10px;
  font-family: var(--display);
  font-weight: 800;
}

.btn-fill {
  background: var(--steel);
  color: #fff;
}

.btn-ghost {
  border: 2px solid var(--steel);
}

.bench {
  position: relative;
  z-index: 2;
  padding: 48px 36px 18px;
  max-width: 1100px;
  margin: 0 auto;
}

.bench-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mute);
  margin: 0 0 8px;
}

.bench-head h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  margin: 0 0 8px;
}

.kit-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.kit-row article {
  background: #fff;
  padding: 16px 16px 8px;
  border-radius: 16px;
  border: 3px solid var(--yellow);
}

.kit-row ul,
.rule-list {
  padding-left: 1.1em;
}

.force-cap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  background: #fff;
  padding: 16px;
  border-radius: 16px;
  box-shadow: 0 0 0 4px var(--yellow);
}

.notch label {
  display: block;
  font-size: 12px;
  color: var(--mute);
  margin: 8px 0 6px;
}

.force-num {
  font-family: var(--mono);
  font-size: 42px;
  margin: 0;
  color: var(--steel);
}

#force {
  width: 100%;
  accent-color: var(--yellow);
}

.win-note {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--mute);
  margin: 8px 0 0;
}

.tri-state {
  font-family: var(--mono);
  font-size: 13px;
  margin: 4px 0 0;
}

.tri-state.ok {
  color: #1f7a52;
}

.tri-state.late {
  color: var(--late);
}

.fleet-dock {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fleet-dock li {
  background: var(--ply);
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 13px;
  border-left: 10px solid var(--yellow);
}

.fleet-dock li span {
  display: block;
  font-family: var(--display);
  font-weight: 800;
  font-size: 20px;
}

.fleet-dock li small {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  color: var(--mute);
}

.fleet-dock li.is-now {
  border-left-color: var(--mint);
}

.pond-table {
  overflow-x: auto;
  margin: 18px 0 8px;
}

.pond-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.pond-table th,
.pond-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(58, 74, 92, 0.12);
}

.pond-table th {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
}

.pond-table tr.is-late td {
  color: var(--late);
}

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.inset,
.pair figure {
  margin: 22px 0 0;
}

.inset img,
.pair img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 14px;
}

figcaption {
  font-size: 13px;
  color: var(--mute);
  margin-top: 8px;
}

.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.role-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.value-grid article,
.role-row article {
  background: #fff;
  padding: 16px 16px 8px;
  border-radius: 14px;
  border-top: 6px solid var(--mint);
}

.rule-list li {
  margin-bottom: 8px;
}

.arm-foot {
  position: relative;
  z-index: 2;
  margin-top: 36px;
  padding: 28px 36px 48px;
  background: var(--steel);
  color: #e8edf2;
}

@media (max-width: 900px) {
  .sheet-body,
  .kit-row,
  .force-cap,
  .value-grid,
  .role-row,
  .pair {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: block;
  }

  .arm-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--ply);
    padding: 12px 18px 18px;
    border-bottom: 6px solid var(--yellow);
    flex-direction: column;
  }

  .arm-nav.open {
    display: flex;
  }

  .hero,
  .bench,
  .arm-foot {
    padding-left: 16px;
    padding-right: 16px;
  }
}