:root {
  --ink: #17211c;
  --muted: #6f766f;
  --paper: #f7f3eb;
  --card: #fffdf9;
  --line: #dedbd2;
  --green: #1d7b53;
  --green-dark: #155e40;
  --red: #ed4b4f;
  --blue: #4b7ee8;
  --yellow: #f3c83f;
  --play-green: #61b96f;
}

@font-face {
  font-family: "PT Sans";
  src: url("fonts/pt-sans-regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "PT Sans";
  src: url("fonts/pt-sans-bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Oswald";
  src: url("fonts/oswald-variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 200 700;
  font-display: swap;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--paper); }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 9% 86%, rgba(243, 200, 63, .15), transparent 18rem),
    radial-gradient(circle at 92% 7%, rgba(75, 126, 232, .10), transparent 19rem),
    var(--paper);
  font-family: "PT Sans", sans-serif;
}

button, input, select { font: inherit; }
button { color: inherit; }

.app-shell { width: min(100%, 720px); min-height: 100vh; margin: 0 auto; padding: 0 24px 30px; }

.topbar {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(23, 33, 28, .10);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
  font: 700 21px/1 "Oswald", sans-serif;
  letter-spacing: -.03em;
}

.brand-lockup { display: grid; gap: 4px; justify-items: start; }
.brand-credit {
  margin-left: 34px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .15s ease;
}
.brand-credit:hover { color: var(--green); }

.brand-mark { position: relative; display: grid; grid-template-columns: repeat(2, 10px); gap: 3px; transform: rotate(-8deg); }
.brand-mark i { width: 10px; height: 10px; border-radius: 50%; }
.brand-mark i:nth-child(1) { background: var(--red); }
.brand-mark i:nth-child(2) { background: var(--blue); }
.brand-mark i:nth-child(3) { background: var(--yellow); }
.brand-mark i:nth-child(4) { background: var(--play-green); }

.icon-button {
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255,255,255,.6);
  cursor: pointer;
  transition: transform .18s ease, background .18s ease;
}
.icon-button:hover { background: white; transform: rotate(6deg); }
.icon-button svg { width: 100%; fill: none; stroke: currentColor; stroke-width: 1.7; }

.game { padding-top: clamp(36px, 7vh, 64px); text-align: center; }
.eyebrow { margin: 0 0 14px; color: var(--green); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }

.move-card {
  position: relative;
  min-height: 350px;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 40px 30px 34px;
  border: 1px solid rgba(23,33,28,.08);
  border-radius: 32px;
  background: rgba(255,253,249,.78);
  box-shadow: 0 22px 60px rgba(44, 48, 40, .08);
}

.instruction-wrap { position: relative; z-index: 2; }
h1 { margin: 0; font: 700 clamp(36px, 8vw, 60px)/1.05 "Oswald", sans-serif; letter-spacing: -.035em; }

.limb-visual {
  width: 100px;
  height: 100px;
  display: grid;
  place-items: center;
  margin: 0 auto 22px;
  border-radius: 50%;
  color: var(--green);
  background: #e3f2e8;
  transform: rotate(-5deg);
}
.limb-visual svg { width: 72px; height: 72px; fill: none; stroke: currentColor; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.limb-visual .foot-icon { width: 68px; fill: none; }

.color-answer { display: flex; align-items: center; justify-content: center; gap: 11px; margin-top: 20px; font-size: 22px; font-weight: 700; }
.color-dot { width: 25px; height: 25px; border: 3px solid rgba(23,33,28,.1); border-radius: 50%; box-shadow: inset 0 0 0 2px rgba(255,255,255,.45); }

.mini-board { position: absolute; right: -37px; bottom: -39px; display: grid; grid-template-columns: repeat(2, 31px); gap: 13px; padding: 23px 54px 58px 24px; transform: rotate(-15deg); opacity: .24; }
.dot { width: 31px; height: 31px; border-radius: 50%; }
.red { background: var(--red); }.blue { background: var(--blue); }.yellow { background: var(--yellow); }.green { background: var(--play-green); }

.controls { display: grid; grid-template-columns: 1.45fr 1fr; gap: 12px; margin-top: 20px; }
.primary-button, .secondary-button {
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border-radius: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.primary-button { color: white; border: 0; background: var(--green); box-shadow: 0 10px 24px rgba(29,123,83,.23); }
.primary-button:hover { background: var(--green-dark); transform: translateY(-1px); box-shadow: 0 12px 28px rgba(29,123,83,.27); }
.primary-button:active, .secondary-button:active { transform: translateY(1px); }
.secondary-button { border: 1px solid var(--line); background: rgba(255,255,255,.54); }
.secondary-button:hover:not(:disabled) { background: white; }
.secondary-button:disabled { opacity: .42; cursor: not-allowed; }
.primary-button:disabled { opacity: .58; cursor: wait; box-shadow: none; transform: none; }
.primary-button svg, .secondary-button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.primary-button .play-icon { fill: currentColor; stroke: none; }

.audio-unlock {
  width: 100%;
  min-height: 45px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  border: 1px solid rgba(237,75,79,.28);
  border-radius: 14px;
  color: #a42d31;
  background: rgba(237,75,79,.08);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.audio-unlock[hidden] { display: none; }
.audio-unlock svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.audio-unlock:hover { background: rgba(237,75,79,.13); }

.status-row { display: flex; align-items: center; justify-content: space-between; padding: 20px 5px 0; color: var(--muted); font-size: 13px; }
.status-row > span:first-child { display: flex; align-items: center; gap: 7px; }
.status-light { width: 7px; height: 7px; border-radius: 50%; background: #9aa09b; }
.status-light.active { background: var(--play-green); box-shadow: 0 0 0 4px rgba(97,185,111,.14); }

.end-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px 24px;
  overflow: hidden;
  margin-top: 24px;
  padding: 24px;
  border: 1px solid rgba(29,123,83,.16);
  border-radius: 22px;
  background: #eaf4ed;
  text-align: left;
}
.end-card[hidden] { display: none; }
.end-card > div:not(.end-card-orbit), .end-card-link { position: relative; z-index: 1; }
.end-card h2 { margin: 0 0 5px; font: 700 22px/1.2 "Oswald", sans-serif; }
.end-card p { max-width: 430px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
.end-card-link {
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 11px 15px;
  border-radius: 12px;
  color: white;
  background: var(--green);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: background .15s ease, transform .15s ease;
}
.end-card-link:hover { color: white; background: var(--green-dark); transform: translateY(-1px); }
.end-card-orbit {
  position: absolute;
  right: -28px;
  bottom: -43px;
  width: 125px;
  height: 125px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(29,123,83,.2);
  border-radius: 50%;
  color: rgba(29,123,83,.22);
  font-size: 37px;
}

.site-footer { padding: 36px 0 8px; text-align: center; }
.credit { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.credit span { margin: 0 6px; color: #b1b4af; }
.credit a { color: inherit; text-underline-offset: 3px; transition: color .15s ease; }
.credit a:hover { color: var(--green); }

.settings-dialog { width: min(92vw, 520px); padding: 0; border: 0; border-radius: 28px; color: var(--ink); background: transparent; box-shadow: 0 28px 80px rgba(20,30,25,.24); }
.settings-dialog::backdrop { background: rgba(22,30,26,.42); backdrop-filter: blur(5px); }
.settings-card { padding: 30px; border-radius: 28px; background: var(--card); }
.dialog-heading { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 28px; }
.dialog-heading h2 { margin: 0; font: 700 30px/1.1 "Oswald", sans-serif; letter-spacing: -.025em; }
.dialog-heading .eyebrow { margin-bottom: 7px; }
.close-button { display: grid; place-items: center; padding: 0 0 3px; font-size: 28px; line-height: 1; }
.setting-field { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 20px 0 12px; text-align: left; }
.setting-field span:first-child, .toggle-row span { display: grid; gap: 3px; }
.setting-field small, .toggle-row small { color: var(--muted); font-size: 13px; font-weight: 400; }
.range-value { white-space: nowrap; color: var(--green); font-weight: 700; }
input[type="range"] { width: 100%; accent-color: var(--green); }
.audio-setting { padding-top: 20px; border-top: 1px solid var(--line); }
select { max-width: 150px; padding: 9px 10px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: white; }
.toggle-row { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); text-align: left; cursor: pointer; }
.toggle-row input { position: absolute; opacity: 0; pointer-events: none; }
.toggle-row i { width: 46px; height: 26px; flex: 0 0 auto; padding: 3px; border-radius: 20px; background: #c9cdc9; transition: background .2s ease; }
.toggle-row i::after { content: ""; display: block; width: 20px; height: 20px; border-radius: 50%; background: white; box-shadow: 0 1px 5px rgba(0,0,0,.22); transition: transform .2s ease; }
.toggle-row input:checked + i { background: var(--green); }
.toggle-row input:checked + i::after { transform: translateX(20px); }
.save-button { width: 100%; margin-top: 30px; }

.move-card.reveal .instruction-wrap { animation: pop-in .42s cubic-bezier(.2,.8,.2,1); }
@keyframes pop-in { from { opacity: 0; transform: translateY(9px) scale(.98); } to { opacity: 1; transform: none; } }

@media (max-width: 560px) {
  .app-shell { padding: 0 16px 24px; }
  .topbar { height: 72px; }
  .game { padding-top: 28px; }
  .move-card { min-height: 340px; border-radius: 26px; }
  .controls { grid-template-columns: 1fr; }
  .primary-button, .secondary-button { min-height: 54px; border-radius: 16px; }
  .status-row { padding-top: 16px; }
  .end-card { grid-template-columns: 1fr; padding: 21px; }
  .end-card-link { justify-self: start; margin-top: 2px; }
  .settings-card { padding: 24px 20px; }
  .audio-setting { align-items: flex-start; flex-direction: column; }
  select { width: 100%; max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}