:root {
  --ink: #1b1b1b;
  --sun: #ffd93d;
  --sun-2: #ffe97a;
  --pink: #ff6fb5;
  --teal: #2ec4b6;
  --orange: #ff9f1c;
  --purple: #9b5de5;
  --sky: #4cc9f0;
  --lime: #b5e61d;
  --red: #ef476f;
  --paper: #fffdf4;
  --shadow: 8px 8px 0 var(--ink);
  --font: "Comic Sans MS", "Comic Neue", "Chalkboard SE", "Marker Felt", "Trebuchet MS", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  font-family: var(--font);
  color: var(--ink);
  background-color: var(--sun);
  background-image:
    radial-gradient(circle at 12px 12px, rgba(255, 255, 255, 0.55) 3px, transparent 4px),
    radial-gradient(circle at 36px 36px, rgba(255, 111, 181, 0.25) 3px, transparent 4px);
  background-size: 48px 48px;
  overflow-x: hidden;
}

.floaters { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.floaters span {
  position: absolute;
  font-size: 40px;
  opacity: 0.9;
  filter: drop-shadow(3px 3px 0 var(--ink));
  animation: float 9s ease-in-out infinite;
}
.floaters span:nth-child(1) { left: 4%;  top: 12%; animation-delay: 0s; }
.floaters span:nth-child(2) { left: 90%; top: 18%; animation-delay: -2s; font-size: 52px; }
.floaters span:nth-child(3) { left: 8%;  top: 78%; animation-delay: -4s; font-size: 48px; }
.floaters span:nth-child(4) { left: 86%; top: 74%; animation-delay: -1s; }
.floaters span:nth-child(5) { left: 48%; top: 4%;  animation-delay: -5s; font-size: 34px; }
.floaters span:nth-child(6) { left: 52%; top: 92%; animation-delay: -3s; font-size: 34px; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-6deg); }
  50% { transform: translateY(-18px) rotate(8deg); }
}

#app {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 8px; }

.back-link {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  background: var(--paper);
  border: 3px solid var(--ink);
  border-radius: 999px;
  padding: 6px 14px;
  box-shadow: 3px 3px 0 var(--ink);
}
.back-link:hover { background: var(--sky); }

.card {
  background: var(--paper);
  border: 4px solid var(--ink);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 24px 22px;
  position: relative;
}

h1.logo {
  margin: 0 0 4px;
  font-size: clamp(34px, 8vw, 62px);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--pink);
  -webkit-text-stroke: 2px var(--ink);
  text-shadow: 4px 4px 0 var(--ink);
  transform: rotate(-2deg);
  display: inline-block;
}
.subtitle { font-size: 22px; font-weight: 700; margin: 6px 0 18px; }

.rules { list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 10px; }
.rules li {
  background: var(--sun-2);
  border: 3px solid var(--ink);
  border-radius: 14px;
  padding: 10px 14px;
  font-size: 18px;
}
.rules b { background: var(--ink); color: var(--sun); border-radius: 8px; padding: 0 8px; margin-right: 6px; }

.degrees { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 8px; margin: 0 0 24px; }
.degree-chip {
  border: 3px solid var(--ink);
  border-radius: 12px;
  padding: 6px 10px;
  font-size: 14px;
  background: var(--paper);
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  font-family: var(--font);
  white-space: nowrap;
}
.degree-chip span:last-child { font-weight: 800; opacity: 0.8; }
.degree-chip.active { background: var(--lime); box-shadow: 3px 3px 0 var(--ink); transform: rotate(-1.5deg); font-weight: 800; }

.btn {
  font-family: var(--font);
  font-size: 22px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--orange);
  border: 4px solid var(--ink);
  border-radius: 18px;
  padding: 12px 26px;
  cursor: pointer;
  box-shadow: 6px 6px 0 var(--ink);
  transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.15s;
  text-decoration: none;
  display: inline-block;
}
.btn:hover:not(:disabled) { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 var(--ink); background: var(--pink); }
.btn:active:not(:disabled) { transform: translate(4px, 4px); box-shadow: 2px 2px 0 var(--ink); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: 3px 3px 0 var(--ink); }
.btn.secondary { background: var(--sky); }
.btn.big { font-size: 28px; padding: 16px 36px; }

.hidden { display: none !important; }

/* quiz screen */
.hud { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.badge {
  background: var(--purple);
  color: #fff;
  border: 3px solid var(--ink);
  border-radius: 999px;
  padding: 4px 16px;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 3px 3px 0 var(--ink);
}
.badge.score { background: var(--teal); color: var(--ink); }

.timer {
  position: relative;
  height: 30px;
  background: var(--paper);
  border: 4px solid var(--ink);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: 4px 4px 0 var(--ink);
}
.timer .bar {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 100%;
  background: repeating-linear-gradient(-45deg, var(--lime) 0 14px, #a0cf12 14px 28px);
  transition: background 0.3s;
}
.timer.warn .bar { background: repeating-linear-gradient(-45deg, var(--orange) 0 14px, #e88a0a 14px 28px); }
.timer.danger .bar { background: repeating-linear-gradient(-45deg, var(--red) 0 14px, #d03a5d 14px 28px); }
.timer.danger { animation: shake 0.25s linear infinite; }
.timer .secs {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-weight: 900; font-size: 18px; color: var(--ink);
}

@keyframes shake {
  0%, 100% { transform: translateX(0) rotate(0); }
  25% { transform: translateX(-3px) rotate(-0.4deg); }
  75% { transform: translateX(3px) rotate(0.4deg); }
}

.q-card { padding-top: 34px; }
.q-tag {
  position: absolute; top: -18px; left: 22px;
  background: var(--red); color: #fff;
  border: 3px solid var(--ink); border-radius: 10px;
  padding: 2px 14px; font-weight: 800; transform: rotate(-3deg);
  box-shadow: 3px 3px 0 var(--ink);
}
.question { font-size: clamp(20px, 3.6vw, 26px); font-weight: 800; line-height: 1.3; margin: 0 0 18px; }

.options { display: grid; gap: 12px; }
.opt {
  font-family: var(--font);
  font-size: 19px;
  font-weight: 700;
  text-align: left;
  color: var(--ink);
  background: #fff;
  border: 4px solid var(--ink);
  border-radius: 16px;
  padding: 12px 14px;
  cursor: pointer;
  display: flex; gap: 12px; align-items: center;
  box-shadow: 5px 5px 0 var(--ink);
  transition: transform 0.08s, box-shadow 0.08s, background 0.15s;
}
.opt .letter {
  flex: 0 0 38px; height: 38px; border-radius: 50%;
  border: 3px solid var(--ink); display: grid; place-items: center;
  font-weight: 900; background: var(--sun);
}
.opt:nth-child(2) .letter { background: var(--pink); }
.opt:nth-child(3) .letter { background: var(--sky); }
.opt:nth-child(4) .letter { background: var(--lime); }
.opt:hover:not(:disabled) { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--ink); background: var(--sun-2); }
.opt:disabled { cursor: default; }
.opt.correct { background: var(--lime); animation: pop 0.35s ease; }
.opt.wrong { background: #ffb3c6; animation: shake 0.3s linear 2; }
.opt.dim { opacity: 0.55; }

@keyframes pop {
  0% { transform: scale(0.96); }
  60% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

.feedback { margin-top: 18px; display: grid; gap: 10px; }
.verdict {
  display: inline-block; justify-self: start;
  font-size: 28px; font-weight: 900; text-transform: uppercase;
  border: 4px solid var(--ink); border-radius: 14px; padding: 2px 16px;
  transform: rotate(-2deg); box-shadow: 4px 4px 0 var(--ink);
  animation: pop 0.35s ease;
}
.verdict.ok { background: var(--lime); }
.verdict.no { background: var(--pink); }
.verdict.time { background: var(--orange); }
.source {
  background: var(--sun-2); border: 3px dashed var(--ink); border-radius: 12px;
  padding: 10px 14px; font-size: 16px; line-height: 1.4;
}
.source a { color: #0b4fd6; font-weight: 800; }

.nextrow { display: flex; justify-content: flex-end; margin-top: 18px; }

/* result screen */
#fx {
  position: fixed; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 2;
}
#screen-result { text-align: center; }
.result-emoji, .result-label, .result-degree, .result-score, .result-text, .result-actions { position: relative; z-index: 4; }
.result-card { padding: 30px 20px 34px; background: rgba(255, 253, 244, 0.9); }
.result-emoji { font-size: 76px; filter: drop-shadow(4px 4px 0 var(--ink)); animation: bounce 1.2s ease-in-out infinite; }
@keyframes bounce { 0%, 100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-14px) rotate(6deg); } }
.result-label { font-size: 20px; font-weight: 800; margin: 6px 0; }
.result-degree {
  font-size: clamp(26px, 7vw, 54px);
  line-height: 1.05;
  font-weight: 900;
  text-transform: uppercase;
  margin: 8px 0 12px;
  color: var(--sun);
  -webkit-text-stroke: 3px var(--ink);
  paint-order: stroke fill;
  text-shadow: 5px 5px 0 var(--ink);
  transform: rotate(-2deg);
  display: inline-block;
  animation: wobble 2.4s ease-in-out infinite;
  overflow-wrap: normal;
}
@keyframes wobble { 0%, 100% { transform: rotate(-2deg) scale(1); } 50% { transform: rotate(2deg) scale(1.05); } }
.result-score { font-size: 26px; font-weight: 800; margin: 6px 0 4px; }
.result-text { font-size: 19px; margin: 8px auto 20px; max-width: 520px; }
.result-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.result-card .degrees { max-width: 560px; margin: 0 auto 22px; text-align: left; }

@media (max-width: 520px) {
  .card { padding: 18px 14px; }
  .opt { font-size: 17px; }
  .btn { font-size: 18px; padding: 10px 18px; }
  .btn.big { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .floaters span, .result-emoji, .result-degree, .timer.danger { animation: none; }
}

#screen-result:not(.hidden) { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
#screen-result .result-card { margin: 0 auto; width: 100%; }