:root {
  --blue: #0A5DFF;
  --blue-2: #2F7BFF;
  --navy: #0A1733;
  --navy-2: #102552;
  --cyan: #30D5FF;
  --mist: #DCE3F2;
  --white: #FFFFFF;
  --ok: #22C55E;
  --bad: #FF4D5E;
  --gold: #FFC93C;
  --radius: 18px;
  --font-display: "Baloo 2", system-ui, sans-serif;
  --font-body: "Be Vietnam Pro", system-ui, sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; }
body {
  background: #050B1A;
  font-family: var(--font-body);
  color: var(--white);
  overflow: hidden;
  user-select: none;
}
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
img { -webkit-user-drag: none; }

/* ---------- Portrait frame (mobile full screen, centered on PC) ---------- */
.stage {
  height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(900px 600px at 20% 10%, rgba(10,93,255,.25), transparent 60%),
    radial-gradient(700px 500px at 85% 90%, rgba(48,213,255,.15), transparent 60%),
    #050B1A;
}
.app {
  position: relative;
  /* Phones: fill the whole screen (no side bands). PC framing is in the media query below. */
  width: 100%;
  height: 100dvh;
  max-width: 520px;
  overflow: hidden;
  container-type: size;
  background:
    radial-gradient(120% 60% at 50% 0%, #1A4BC7 0%, transparent 60%),
    radial-gradient(90% 50% at 50% 100%, rgba(48,213,255,.18), transparent 70%),
    linear-gradient(180deg, var(--navy-2), var(--navy));
}
@media (min-width: 560px) and (min-height: 640px) {
  .app {
    height: min(100dvh - 32px, 920px);
    width: calc(min(100dvh - 32px, 920px) * 9 / 18.5);
    border-radius: 34px;
    box-shadow: 0 0 0 10px #0d1730, 0 0 0 11px #22325a, 0 30px 80px rgba(0,0,0,.6);
  }
}
.app::before { /* subtle grid */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .07;
  background-image: linear-gradient(#fff 1px, transparent 1px), linear-gradient(90deg, #fff 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, #000, transparent 70%);
}

.screen {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  padding: calc(env(safe-area-inset-top, 0px) + 20px) 16px max(14px, env(safe-area-inset-bottom));
  opacity: 0; pointer-events: none; transform: translateY(12px);
  transition: opacity .3s ease, transform .3s ease;
}
.screen.active { opacity: 1; pointer-events: auto; transform: none; }
.screen:not(.active) * { pointer-events: none !important; }

/* ---------- Common ---------- */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 40px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.14);
  font-weight: 700; font-size: 15px;
}
.coin-ico { color: var(--gold); font-size: 16px; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.nick-chip { min-width: 0; max-width: 55%; padding-left: 6px; }
.nick-chip:active { transform: scale(.97); }
.nick-ava { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; background: linear-gradient(180deg, #3D8BFF, var(--blue)); flex: none; }
.nick-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nick-edit { opacity: .6; font-size: 13px; }
.player-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 92px; }
.nick-field { display: flex; gap: 8px; margin: 6px 0 4px; }
.nick-input {
  flex: 1; min-width: 0; font: inherit; font-weight: 700; font-size: 18px; color: var(--white);
  padding: 12px 14px; border-radius: 14px; outline: none;
  background: rgba(255,255,255,.08); border: 2px solid rgba(255,255,255,.2);
}
.nick-input:focus { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(48,213,255,.18); }
.nick-input::placeholder { color: rgba(220,227,242,.45); font-weight: 500; }
.nick-dice { width: 50px; flex: none; border-radius: 14px; font-size: 22px; background: rgba(255,255,255,.08); border: 2px solid rgba(255,255,255,.2); }
.nick-dice:active { transform: rotate(20deg) scale(.95); }
.nick-hint { font-size: 12px; min-height: 18px; color: var(--mist); opacity: .75; text-align: left; margin: 0 2px 4px; }
.nick-hint.err { color: #FF8C97; opacity: 1; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 12px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.14);
  font-size: 17px; display: grid; place-items: center;
}
.icon-btn:active { transform: scale(.94); }

.btn {
  border-radius: 16px; padding: 14px 18px; font-weight: 700; font-size: 16px;
  transition: transform .1s ease, filter .2s;
}
.btn:active { transform: translateY(2px) scale(.98); }
.btn:disabled { filter: grayscale(.8) brightness(.7); pointer-events: none; }
.btn-primary {
  background: linear-gradient(180deg, #3D8BFF, var(--blue));
  box-shadow: 0 5px 0 #0839A8, 0 10px 24px rgba(10,93,255,.45), inset 0 1px 0 rgba(255,255,255,.35);
  text-shadow: 0 1px 0 rgba(0,0,0,.25);
}
.btn-ghost {
  background: rgba(255,255,255,.08); border: 1.5px solid rgba(255,255,255,.18);
  box-shadow: 0 4px 0 rgba(0,0,0,.25);
}
.btn-xl { font-family: var(--font-display); font-size: 22px; letter-spacing: .5px; padding: 12px 18px; width: 100%; }
.link-btn { color: var(--mist); opacity: .8; text-decoration: underline; font-size: 14px; padding: 6px; }

/* ---------- Home ---------- */
#screen-home { gap: 10px; }
.home-hero { flex: 1; display: flex; flex-direction: column; align-items: center; min-height: 0; }
.brand { text-align: center; margin-top: 2px; }
.brand-small { font-weight: 700; letter-spacing: 3px; font-size: 11px; color: var(--cyan); }
.brand-title {
  font-family: var(--font-display); font-weight: 800; margin: 0; line-height: 1;
  font-size: clamp(34px, 11cqw, 48px);
  text-shadow: 0 4px 0 #0839A8, 0 10px 30px rgba(10,93,255,.6);
}
.brand-title span { color: var(--cyan); }
.brand-tag { margin: 6px 0 0; font-size: 13px; color: var(--mist); opacity: .85; }
.hero-wrap { position: relative; flex: 1; min-height: 0; width: 100%; display: flex; justify-content: center; align-items: center; }
.hero-glow {
  position: absolute; width: 70%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(48,213,255,.45), rgba(10,93,255,.15) 50%, transparent 70%);
  filter: blur(6px);
}
.hero-img { position: relative; max-height: 100%; max-width: 70%; object-fit: contain; filter: drop-shadow(0 18px 20px rgba(0,0,0,.45)); }
.float { animation: float 3.2s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-10px); } }

.home-cats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.cat-tile {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; padding: 8px 6px; border-radius: 14px;
  background: color-mix(in srgb, var(--c) 22%, transparent);
  border: 1.5px solid color-mix(in srgb, var(--c) 60%, transparent);
  min-width: 0;
}
.cat-tile .ico {
  width: 30px; height: 30px; flex: none; border-radius: 10px; display: grid; place-items: center;
  background: var(--c); font-size: 16px; box-shadow: 0 3px 0 var(--d);
}
.cat-tile .nm { font-weight: 700; font-size: 12.5px; line-height: 1.15; }
.cat-tile .sb { font-size: 10px; opacity: .75; line-height: 1.2; }
.home-actions { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.home-actions .link-btn { align-self: center; }

/* ---------- Board ---------- */
#screen-board { gap: 10px; }
.round-label { font-family: var(--font-display); font-weight: 700; font-size: 18px; }
.scoreboard {
  display: flex; align-items: center; gap: 6px;
  padding: 10px; border-radius: var(--radius);
  background: rgba(5,12,32,.45); border: 1px solid rgba(255,255,255,.1);
}
.player-row { flex: 1; display: flex; align-items: center; gap: 6px; min-width: 0; padding: 4px; border-radius: 12px; transition: background .3s, box-shadow .3s; }
.player-row.right { justify-content: flex-end; text-align: right; }
.player-row.turn { background: rgba(48,213,255,.12); box-shadow: inset 0 0 0 1.5px rgba(48,213,255,.6); }
.avatar { width: 38px; height: 44px; object-fit: contain; flex: none; }
.avatar.bot { filter: hue-rotate(160deg) saturate(1.3); }
.player-info { min-width: 0; }
.player-name { font-weight: 700; font-size: 13px; margin-bottom: 4px; }
.badges { display: grid; grid-template-columns: repeat(3, 18px); gap: 3px; }
.player-row.right .badges { justify-content: end; }
.badge-dot {
  width: 18px; height: 18px; border-radius: 6px; display: grid; place-items: center; font-size: 10px;
  background: rgba(255,255,255,.08); border: 1px dashed rgba(255,255,255,.25);
}
.badge-dot.on { background: var(--c); border: 0; box-shadow: 0 2px 0 var(--d); animation: pop .5s ease; }
@keyframes pop { 0% { transform: scale(.2); } 70% { transform: scale(1.3); } 100% { transform: scale(1); } }
.vs { font-family: var(--font-display); font-weight: 800; color: var(--gold); font-size: 16px; }

.turn-banner {
  align-self: center; font-family: var(--font-display); font-weight: 700; font-size: 17px;
  padding: 3px 16px; border-radius: 999px; background: rgba(48,213,255,.15); color: var(--cyan);
}
.turn-banner.bot { background: rgba(255,107,61,.18); color: #FF9B78; }

.wheel-area { position: relative; flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; }
.wheel-box { position: relative; width: min(88cqw, 44cqh); aspect-ratio: 1; }
#wheel { width: 100%; height: 100%; transform: rotate(0deg); filter: drop-shadow(0 12px 24px rgba(0,0,0,.5)); }
#wheel.spinning { transition: transform 4.2s cubic-bezier(.12,.72,.12,1); }
#wheel.fast { transition: transform 2.2s cubic-bezier(.12,.72,.12,1); }
.wheel-hub {
  position: absolute; left: 50%; top: 50%; width: 26%; aspect-ratio: 1; transform: translate(-50%,-50%);
  border-radius: 50%; background: radial-gradient(circle at 35% 30%, #fff, var(--mist));
  border: 4px solid var(--blue); box-shadow: 0 6px 16px rgba(0,0,0,.35);
  display: grid; place-items: center; overflow: hidden;
}
.wheel-hub img { width: 70%; height: 80%; object-fit: contain; margin-top: 10%; }
.wheel-pointer {
  position: absolute; top: calc(50% - min(44cqw, 22cqh) - 14px); left: 50%; transform: translateX(-50%);
  width: 0; height: 0; z-index: 2;
  border-left: 16px solid transparent; border-right: 16px solid transparent; border-top: 30px solid var(--white);
  filter: drop-shadow(0 3px 2px rgba(0,0,0,.4));
}

.meter-wrap { display: flex; align-items: center; justify-content: center; gap: 10px; }
.meter-label { font-size: 12px; color: var(--mist); opacity: .8; }
.meter { display: flex; align-items: center; gap: 5px; }
.meter i { width: 34px; height: 12px; border-radius: 6px; background: rgba(255,255,255,.12); transition: background .3s, box-shadow .3s; }
.meter i.on { background: linear-gradient(90deg, var(--gold), #FFA41B); box-shadow: 0 0 10px rgba(255,201,60,.6); }
.meter-crown { font-size: 18px; filter: grayscale(1) opacity(.5); transition: filter .3s; }
.meter.full .meter-crown { filter: none; animation: pop .6s ease; }

.board-actions { padding-top: 2px; }
#btn-spin { font-size: 26px; letter-spacing: 3px; }

.toast {
  position: absolute; left: 50%; top: 46%; transform: translate(-50%, -50%) scale(.8);
  padding: 12px 18px; border-radius: 16px; background: rgba(5,12,32,.92); border: 1.5px solid rgba(255,255,255,.2);
  font-weight: 700; text-align: center; font-size: 15px; opacity: 0; pointer-events: none; z-index: 5;
  transition: opacity .2s, transform .2s; max-width: 86%;
}
.toast.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ---------- Question ---------- */
#screen-question { padding-left: 0; padding-right: 0; padding-top: 0; }
.q-header {
  padding: calc(env(safe-area-inset-top, 0px) + 20px) 16px 14px;
  background: linear-gradient(180deg, var(--c, #F5A524), var(--d, #B9730A));
  border-radius: 0 0 26px 26px; box-shadow: 0 8px 24px rgba(0,0,0,.3);
  display: flex; flex-direction: column; gap: 10px;
}
.q-cat { display: flex; align-items: center; gap: 10px; }
.q-quit { margin-left: auto; background: rgba(0,0,0,.2); border-color: rgba(255,255,255,.25); }
.q-cat-ico { width: 44px; height: 44px; border-radius: 14px; background: rgba(255,255,255,.25); display: grid; place-items: center; font-size: 24px; }
.q-cat-name { font-family: var(--font-display); font-size: 24px; font-weight: 800; line-height: 1; text-shadow: 0 2px 0 rgba(0,0,0,.2); }
.q-cat-sub { font-size: 13px; opacity: .9; font-weight: 600; }
.q-badge-flag { display: none; align-self: flex-start; font-weight: 700; font-size: 12px; padding: 3px 10px; border-radius: 999px; background: rgba(0,0,0,.25); }
.q-badge-flag.show { display: inline-block; }
.timer { position: relative; height: 22px; border-radius: 999px; background: rgba(0,0,0,.25); overflow: hidden; }
.timer-bar { position: absolute; inset: 0; transform-origin: left; background: rgba(255,255,255,.85); transition: transform .25s linear; }
.timer-bar.low { background: #FFE1E4; }
.timer-num { position: absolute; inset: 0; display: grid; place-items: center; font-weight: 800; font-size: 13px; color: #0A1733; }

.q-body { flex: 1; min-height: 0; display: flex; flex-direction: column; justify-content: center; gap: 16px; padding: 16px 16px 8px; overflow-y: auto; }
.q-card {
  position: relative; background: var(--white); color: var(--navy); border-radius: 20px;
  padding: 18px 16px 18px 18px; min-height: 120px; display: flex; align-items: center;
  box-shadow: 0 6px 0 #B8C4DE, 0 14px 28px rgba(0,0,0,.25);
}
.q-mascot { position: absolute; right: -8px; bottom: -14px; width: 56px; height: 68px; object-fit: contain; filter: drop-shadow(0 4px 6px rgba(0,0,0,.3)); }
.q-text { margin: 0; font-weight: 700; font-size: clamp(16px, 4.6cqw, 20px); line-height: 1.35; padding-right: 34px; }

.answers { display: flex; flex-direction: column; gap: 10px; }
.ans {
  text-align: left; padding: 13px 14px; border-radius: 16px; font-weight: 600; font-size: 15px; line-height: 1.3;
  background: rgba(255,255,255,.1); border: 2px solid rgba(255,255,255,.18);
  box-shadow: 0 4px 0 rgba(0,0,0,.25); display: flex; align-items: center; gap: 10px;
  transition: background .2s, border-color .2s, opacity .3s, transform .1s;
}
.ans:active { transform: translateY(2px); }
.ans .key { width: 26px; height: 26px; flex: none; border-radius: 8px; display: grid; place-items: center; background: rgba(255,255,255,.15); font-size: 13px; font-weight: 800; }
.ans.correct { background: var(--ok); border-color: #8CF0AE; animation: pulse .5s; }
.ans.wrong { background: var(--bad); border-color: #FFB0B8; animation: shake .4s; }
.ans.removed { opacity: .15; pointer-events: none; }
.answers.locked .ans { pointer-events: none; }
@keyframes shake { 20%,60% { transform: translateX(-6px); } 40%,80% { transform: translateX(6px); } }
@keyframes pulse { 50% { transform: scale(1.03); } }

.powerups { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 8px 16px 0; }
.pu {
  display: flex; flex-direction: column; align-items: center; gap: 1px; padding: 8px 4px; border-radius: 14px;
  background: rgba(5,12,32,.5); border: 1px solid rgba(255,255,255,.14);
}
.pu:disabled { opacity: .35; pointer-events: none; }
.pu-ico { font-size: 18px; }
.pu-name { font-weight: 700; font-size: 12px; }
.pu-cost { font-size: 11px; color: var(--gold); }

.feedback {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  background: rgba(5,12,32,.78); backdrop-filter: blur(4px); opacity: 0; pointer-events: none; transition: opacity .25s; z-index: 6;
}
.feedback.show { opacity: 1; pointer-events: auto; }
.feedback img { width: 42%; max-height: 38%; object-fit: contain; transform: scale(.6); transition: transform .4s cubic-bezier(.3,1.6,.5,1); }
.feedback.show img { transform: scale(1); }
.fb-title { font-family: var(--font-display); font-size: 36px; font-weight: 800; }
.fb-title.ok { color: #6BFFA0; } .fb-title.bad { color: #FF8C97; }
.fb-sub { color: var(--mist); font-weight: 600; text-align: center; padding: 0 24px; }

/* ---------- Modal ---------- */
.modal {
  position: absolute; inset: 0; z-index: 20; display: flex; align-items: center; justify-content: center; padding: 18px;
  background: rgba(3,8,22,.7); backdrop-filter: blur(5px); opacity: 0; pointer-events: none; transition: opacity .25s;
}
.modal.show { opacity: 1; pointer-events: auto; }
.modal-card {
  width: 100%; max-height: 100%; overflow-y: auto; border-radius: 24px; padding: 20px 18px 18px;
  background: linear-gradient(180deg, #16306B, #0C1C42); border: 1.5px solid rgba(255,255,255,.15);
  box-shadow: 0 24px 60px rgba(0,0,0,.5); text-align: center;
  transform: scale(.9); transition: transform .3s cubic-bezier(.3,1.5,.5,1);
}
.modal.show .modal-card { transform: scale(1); }
.modal-card h2 { font-family: var(--font-display); font-size: 28px; margin: 0 0 4px; line-height: 1.1; }
.modal-card p { color: var(--mist); margin: 6px 0 12px; font-size: 14px; line-height: 1.45; }
.modal-card .m-img { height: 130px; object-fit: contain; margin: -4px auto 4px; display: block; filter: drop-shadow(0 8px 12px rgba(0,0,0,.4)); }
.modal-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.pick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 10px 0 4px; }
.pick {
  display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 12px 6px; border-radius: 16px;
  background: var(--c); box-shadow: 0 4px 0 var(--d); font-weight: 700; font-size: 14px;
}
.pick .ico { font-size: 26px; }
.pick:disabled { filter: grayscale(1) brightness(.5); box-shadow: none; }
.pick small { font-weight: 500; font-size: 11px; opacity: .9; }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0; }
.stat { background: rgba(255,255,255,.07); border-radius: 14px; padding: 10px; }
.stat b { display: block; font-family: var(--font-display); font-size: 26px; line-height: 1.1; color: var(--cyan); }
.stat span { font-size: 12px; color: var(--mist); }
.howto { text-align: left; margin: 10px 0; padding-left: 20px; color: var(--mist); font-size: 14px; line-height: 1.5; }
.howto li { margin-bottom: 6px; }
.final-score { display: flex; justify-content: center; align-items: center; gap: 18px; font-family: var(--font-display); font-size: 40px; font-weight: 800; margin: 4px 0; }
.final-score small { display: block; font-size: 13px; font-family: var(--font-body); color: var(--mist); font-weight: 600; }

/* Survival HUD */
.survival-hud { display: none; justify-content: space-between; align-items: center; padding: 0 16px; margin-top: 8px; font-weight: 700; }
.survival .survival-hud { display: flex; }
.lives { letter-spacing: 2px; }

/* Confetti */
.confetti { position: absolute; top: -10px; width: 8px; height: 14px; border-radius: 2px; z-index: 30; pointer-events: none; animation: fall linear forwards; }
@keyframes fall { to { transform: translateY(110cqh) rotate(720deg); } }

@media (prefers-reduced-motion: reduce) {
  .float, .confetti { animation: none; }
  #wheel.spinning, #wheel.fast { transition-duration: .6s; }
}
@container (max-height: 640px) {
  .home-cats .sb { display: none; }
  .cat-tile { padding: 6px 8px; }
  .q-card { min-height: 90px; }
  .ans { padding: 10px 12px; }
}