:root {
  --bg: #07040d;
  --panel: #150b26;
  --neon: #b44cff;
  --neon-2: #e08bff;
  --text: #f1e8ff;
  --muted: #a996c7;
  --good: #5cf2a4;
  --bad: #ff5c7a;
  --hud-h: 56px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-user-select: none;
  user-select: none;
}

canvas { display: block; touch-action: none; }

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

button.big {
  background: linear-gradient(180deg, #c265ff, #8a2be2);
  border: 0;
  border-radius: 14px;
  padding: 14px 28px;
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: 0 0 18px #b44cff88;
}
button.big:hover { filter: brightness(1.15); }
button.big:active { transform: translateY(1px); }

button.link {
  background: none;
  border: 0;
  color: var(--muted);
  text-decoration: underline;
  margin-top: 12px;
}

button.icon {
  background: #ffffff10;
  border: 1px solid #ffffff22;
  border-radius: 10px;
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
}

/* ---------- screens ---------- */

.screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
  background: radial-gradient(ellipse at center, #1d0d36 0%, var(--bg) 75%);
  overflow-y: auto;
}
.screen[hidden] { display: none; }
.screen.modal { background: #07040dcc; }

h1 {
  font-size: clamp(2.4rem, 8vw, 4.5rem);
  margin: 0;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 0 12px var(--neon), 0 0 32px var(--neon);
}
h2 { margin: 8px 0 0; font-size: clamp(1.3rem, 4vw, 2rem); }
.sub, #race-text, #win-stats, #intro-text, #dead-text { color: var(--muted); max-width: 560px; margin: 0; font-size: 1.1rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 170px));
  gap: 14px;
}
@media (max-width: 720px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 160px)); }
}
.card {
  background: var(--panel);
  border: 2px solid #ffffff18;
  border-radius: 18px;
  padding: 10px 8px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: transform .15s, border-color .15s, box-shadow .15s;
}
.card:hover, .card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--neon);
  box-shadow: 0 0 22px #b44cff66;
  outline: none;
}
.card img { height: clamp(150px, 26vh, 260px); width: auto; }
.card span { font-size: 1.2rem; font-weight: 700; }

/* ---------- cage / win ---------- */

.cage-portrait {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: 20px;
  overflow: hidden;
  border: 4px solid #8b8b9e;
  box-shadow: 0 0 30px #ff5c7a55;
}
.cage-portrait img { width: 100%; height: 100%; }
.cage-portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 26px, #9a9ab0 26px 32px);
}

.win-pics { display: flex; align-items: flex-end; gap: 8px; }
.win-pics img { height: clamp(180px, 38vh, 340px); animation: hop .6s ease-in-out infinite alternate; }
.win-pics img + img { animation-delay: .3s; }
@keyframes hop { to { transform: translateY(-14px); } }

/* ---------- math ---------- */

.math-box {
  background: var(--panel);
  border: 2px solid var(--neon);
  border-radius: 22px;
  padding: 24px 28px;
  box-shadow: 0 0 40px #b44cff66;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  min-width: min(360px, 92vw);
  animation: pop .25s ease-out;
}
@keyframes pop { from { transform: scale(.7); opacity: 0; } }
.math-label { text-transform: uppercase; letter-spacing: 3px; color: var(--neon-2); font-weight: 700; }
.math-q { font-size: clamp(2.4rem, 10vw, 3.6rem); font-weight: 800; }
#math-form { display: flex; gap: 10px; }
#math-input {
  width: 150px;
  font-size: 2rem;
  text-align: center;
  border-radius: 12px;
  border: 2px solid #ffffff33;
  background: #0b0616;
  color: #fff;
  padding: 6px;
}
#math-input:focus { outline: none; border-color: var(--neon); }
.math-feedback { min-height: 1.6em; font-size: 1.2rem; font-weight: 700; }
.math-feedback.good { color: var(--good); }
.math-feedback.bad { color: var(--bad); }
.shake { animation: shake .35s; }
@keyframes shake {
  25% { transform: translateX(-10px); }
  50% { transform: translateX(10px); }
  75% { transform: translateX(-6px); }
}

/* ---------- HUD ---------- */

#hud {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--hud-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: #0b0616e6;
  border-bottom: 1px solid #b44cff55;
  font-size: 1.05rem;
  gap: 8px;
}
#hud[hidden] { display: none; }
.hud-rescue { display: flex; align-items: center; gap: 6px; }
.hud-rescue img { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--bad); }
.hud-right { display: flex; align-items: center; gap: 8px; }
.hud-lives { letter-spacing: 1px; }
.hud-lives[hidden] { display: none; }
@media (max-width: 480px) {
  .hud-rescue > b { display: none; }
}

/* ---------- touch d-pad ---------- */

#dpad {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 168px;
  height: 168px;
  display: grid;
  grid-template: repeat(3, 1fr) / repeat(3, 1fr);
  gap: 4px;
  opacity: .8;
}
#dpad[hidden] { display: none; }
#dpad button {
  background: #1d0f35cc;
  border: 2px solid #b44cff88;
  border-radius: 14px;
  font-size: 1.4rem;
  touch-action: none;
}
#dpad button:active, #dpad button.on { background: #8a2be2; }
#dpad .up { grid-area: 1 / 2; }
#dpad .left { grid-area: 2 / 1; }
#dpad .right { grid-area: 2 / 3; }
#dpad .down { grid-area: 3 / 2; }

/* ---------- toast ---------- */

#toast {
  position: fixed;
  left: 50%;
  top: calc(var(--hud-h) + 14px);
  transform: translateX(-50%) translateY(-20px);
  background: #150b26f0;
  border: 1px solid var(--neon);
  border-radius: 12px;
  padding: 10px 18px;
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  text-align: center;
  max-width: 90vw;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- sorcerer math race ---------- */

.race-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 4vw, 40px);
  width: min(720px, 100%);
}
.racer { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.race-face {
  width: clamp(80px, 18vw, 130px);
  height: clamp(80px, 18vw, 130px);
  border-radius: 50%;
  border: 4px solid var(--neon);
  box-shadow: 0 0 22px #b44cff88;
  background: var(--panel);
}
.race-face.sorcerer {
  display: grid;
  place-items: center;
  font-size: clamp(50px, 12vw, 86px);
  border-color: #ff5c7a;
  box-shadow: 0 0 22px #ff5c7a88;
  animation: float 1.6s ease-in-out infinite alternate;
}
@keyframes float { to { transform: translateY(-8px); } }
.bar {
  width: 100%;
  height: 16px;
  border-radius: 8px;
  background: #ffffff14;
  overflow: hidden;
}
.bar > div {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #8a2be2, #e08bff);
  transition: width .25s;
}
.bar > .sorc { background: linear-gradient(90deg, #b3183a, #ff5c7a); }
.race-count { color: var(--muted); font-weight: 700; }
.race-middle { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.vs { font-weight: 900; font-size: 1.6rem; color: var(--neon-2); }
.cage-portrait.small { width: 90px; height: 90px; border-radius: 14px; border-width: 3px; }
.cage-portrait.small::after { background: repeating-linear-gradient(90deg, transparent 0 13px, #9a9ab0 13px 16px); }
#race-play { display: flex; flex-direction: column; align-items: center; gap: 10px; }
#race-play[hidden] { display: none; }
#race-form { display: flex; gap: 10px; }
#race-input {
  width: 150px;
  font-size: 2rem;
  text-align: center;
  border-radius: 12px;
  border: 2px solid #ffffff33;
  background: #0b0616;
  color: #fff;
  padding: 6px;
}
#race-input:focus { outline: none; border-color: var(--neon); }

/* ---------- level banner (shown over the maze) ---------- */

#banner {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(.9);
  background: #150b26f2;
  border: 2px solid #ff5c7a;
  border-radius: 20px;
  padding: 18px 24px;
  text-align: center;
  max-width: min(520px, 92vw);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
  box-shadow: 0 0 40px #ff5c7a55;
}
#banner.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }
#banner img { width: 90px; height: 90px; border-radius: 50%; border: 3px solid #ff5c7a; }
#banner h2 { margin: 6px 0; }
#banner p { margin: 4px 0; color: var(--muted); }
#banner .tip { color: var(--neon-2); }

/* ---------- monsters: "watch out" intro and game over ---------- */

.monsters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-end;
  gap: clamp(10px, 4vw, 40px);
}
.monsters figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.monsters img {
  height: clamp(140px, 34vh, 300px);
  max-width: 42vw;
  object-fit: contain;
  filter: drop-shadow(0 0 18px #c13cff);
  animation: lurk 1.4s ease-in-out infinite alternate;
}
.monsters figure:nth-child(2) img { animation-delay: .45s; }
.monsters figure:nth-child(3) img { animation-delay: .9s; }
.monsters figcaption { font-size: 1.3rem; font-weight: 800; color: var(--neon-2); text-shadow: 0 0 10px var(--neon); }
@keyframes lurk { to { transform: translateY(-10px) scale(1.04); } }

.dead-monster {
  height: clamp(180px, 42vh, 360px);
  filter: drop-shadow(0 0 26px #ff5c7a);
  animation: pop .4s ease-out, lurk 1.2s .4s ease-in-out infinite alternate;
}