:root {
  --bg1: #1b1446;
  --bg2: #2d1b69;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-solid: #2a2160;
  --line: rgba(255, 255, 255, 0.16);
  --text: #f7f5ff;
  --muted: #b9b2e0;
  --gold: #ffd166;
  --good: #3ddc97;
  --bad: #ff5d73;
  --c0: #8f5cff;
  --c1: #12b5a6;
  --c2: #ff8a3d;
  --c3: #ef4f91;
  --radius: 18px;
  --font: 'Fredoka', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(ellipse at top, var(--bg2), var(--bg1) 70%) fixed, var(--bg1);
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--gold); }

.screen { display: none; }
.screen.active { display: flex; }

.btn {
  border: 0; border-radius: 14px; padding: 12px 22px;
  background: var(--panel); color: var(--text); font-weight: 600; font-size: 1rem;
  border: 1px solid var(--line); transition: transform .08s, filter .15s;
  touch-action: manipulation;
}
.btn:hover { filter: brightness(1.15); }
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: linear-gradient(180deg, #ffd166, #f4a52a); color: #2b1a00; border: 0; box-shadow: 0 5px 0 #b56f00; }
.btn.primary:active { box-shadow: 0 2px 0 #b56f00; transform: translateY(3px); }
.btn.danger { color: #ffb3bf; }
.btn.small { padding: 7px 12px; font-size: .9rem; border-radius: 10px; }
.btn.big { font-size: 1.35rem; padding: 16px 34px; }

.input {
  width: 100%; padding: 14px 16px; border-radius: 14px; border: 2px solid var(--line);
  background: rgba(0, 0, 0, .25); font-size: 1.15rem; outline: none;
}
.input:focus { border-color: var(--gold); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.muted { color: var(--muted); }
.title { font-weight: 700; letter-spacing: .5px; }
.logo { font-weight: 700; font-size: 1.6rem; letter-spacing: .5px; }
.logo span { color: var(--gold); }

.banner {
  padding: 10px 16px; border-radius: 12px; font-size: .95rem;
  background: rgba(255, 209, 102, .12); border: 1px solid rgba(255, 209, 102, .4);
}
.banner.ok { background: rgba(61, 220, 151, .1); border-color: rgba(61, 220, 151, .4); }

svg.av { width: 100%; height: 100%; display: block; overflow: visible; }

/* ---------- Choice buttons (shared by host + student) ---------- */
.choice { --c: var(--c0); background: var(--c); color: #fff; border: 0; border-radius: 16px; display: flex; align-items: center; gap: 14px; text-align: left; font-weight: 600; box-shadow: 0 6px 0 rgba(0, 0, 0, .28); position: relative; overflow: hidden; }
.choice .ico { font-size: 1.3em; width: 1.6em; height: 1.6em; display: grid; place-items: center; background: rgba(0, 0, 0, .18); border-radius: 10px; flex: none; }
.choice.c0 { --c: var(--c0); } .choice.c1 { --c: var(--c1); } .choice.c2 { --c: var(--c2); } .choice.c3 { --c: var(--c3); }
.choice.dim { opacity: .3; filter: grayscale(.5); }
.choice.right { outline: 5px solid #fff; box-shadow: 0 0 30px rgba(255, 255, 255, .5); }

/* ---------- Teacher page ---------- */
.teacher { flex-direction: column; max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; gap: 18px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.set-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.set-card { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.set-card h3 { margin: 0; font-size: 1.2rem; }
.set-card .row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; }
.editor-table { width: 100%; border-collapse: collapse; }
.editor-table th { text-align: left; font-weight: 600; color: var(--muted); font-size: .85rem; padding: 6px; }
.editor-table td { padding: 4px; vertical-align: top; }
.editor-table input { width: 100%; padding: 9px 10px; border-radius: 10px; border: 1px solid var(--line); background: rgba(0, 0, 0, .22); outline: none; }
.editor-table input:focus { border-color: var(--gold); }
.editor-table .num { color: var(--muted); width: 28px; padding-top: 12px; font-size: .85rem; }
.table-wrap { overflow-x: auto; }
textarea.input { min-height: 140px; font-size: .95rem; font-family: ui-monospace, Menlo, monospace; }
.flex { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.help { font-size: .92rem; line-height: 1.5; }
.help code { background: rgba(0, 0, 0, .3); padding: 1px 6px; border-radius: 6px; }

dialog { background: var(--panel-solid); color: var(--text); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; width: min(720px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0, 0, 0, .6); }

/* ---------- Student (play) page ---------- */
.play { min-height: 100dvh; flex-direction: column; align-items: center; justify-content: center; padding: 20px 16px; gap: 18px; text-align: center; }
.play .box { width: min(460px, 100%); padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.code-input { font-size: 2rem; text-align: center; letter-spacing: .4em; font-weight: 700; }
.builder { width: min(720px, 100%); display: grid; grid-template-columns: 220px 1fr; gap: 20px; align-items: start; text-align: left; }
.builder .preview { width: 200px; height: 260px; margin: 0 auto; }
.opt-group { margin-bottom: 12px; }
.opt-group h4 { margin: 0 0 6px; font-size: .95rem; color: var(--muted); font-weight: 600; }
.opts { display: flex; flex-wrap: wrap; gap: 8px; }
.opt { min-width: 44px; height: 44px; border-radius: 12px; border: 2px solid var(--line); background: rgba(0, 0, 0, .2); padding: 0 12px; font-weight: 600; font-size: .95rem; }
.opt.swatch { width: 44px; padding: 0; }
.opt.sel { border-color: var(--gold); box-shadow: 0 0 0 2px var(--gold); }
.hero-big { width: 180px; height: 230px; animation: bob 2.2s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-10px); } }

.q-screen { justify-content: flex-start; padding-top: 16px; }
.q-top { width: 100%; max-width: 900px; display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-weight: 600; }
.q-prompt { width: 100%; max-width: 900px; font-size: clamp(1.2rem, 3.6vw, 1.8rem); font-weight: 600; padding: 18px; line-height: 1.3; }
.timer-bar { width: 100%; max-width: 900px; height: 10px; border-radius: 6px; background: rgba(255, 255, 255, .12); overflow: hidden; }
.timer-bar > div { height: 100%; background: var(--gold); width: 100%; transform-origin: left; }
.p-choices { width: 100%; max-width: 900px; flex: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; min-height: 0; }
.p-choices .choice { font-size: clamp(1.05rem, 3vw, 1.5rem); padding: 18px; min-height: 110px; }
.p-choices.two { grid-template-columns: 1fr 1fr; }
@media (max-width: 600px) { .p-choices { grid-template-columns: 1fr; } .builder { grid-template-columns: 1fr; } }
.result-big { font-size: clamp(2.2rem, 8vw, 3.6rem); font-weight: 700; margin: 0; }
.result-big.good { color: var(--good); }
.result-big.bad { color: var(--bad); }
.stat-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.stat { padding: 12px 18px; min-width: 120px; }
.stat b { display: block; font-size: 1.6rem; color: var(--gold); }
.spinner { width: 48px; height: 48px; border-radius: 50%; border: 5px solid rgba(255, 255, 255, .2); border-top-color: var(--gold); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-attack { animation: attack .6s ease-out; }
@keyframes attack { 30% { transform: translateY(-30px) rotate(-8deg) scale(1.08); } 60% { transform: translateY(0) rotate(4deg); } }
.hero-sad { animation: sad 1s ease-in-out; }
@keyframes sad { 30%, 70% { transform: translateX(-8px) rotate(-4deg); } 50% { transform: translateX(8px) rotate(4deg); } }

/* ---------- Host (projector) page ---------- */
.host { height: 100vh; flex-direction: column; overflow: hidden; }
.host-bar { display: flex; align-items: center; gap: 14px; padding: 12px 22px; background: rgba(0, 0, 0, .25); border-bottom: 1px solid var(--line); }
.host-bar .logo { font-size: 1.3rem; }
.lobby { flex: 1; display: grid; grid-template-columns: 1fr 340px; gap: 20px; padding: 20px; min-height: 0; }
.join-panel { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 24px; text-align: center; }
.join-row { display: flex; gap: 32px; align-items: center; justify-content: center; flex-wrap: wrap; }
.join-url { font-size: clamp(1.2rem, 2.2vw, 2rem); }
.join-url b { color: var(--gold); }
.join-code { font-size: clamp(3.5rem, 9vw, 7rem); font-weight: 700; letter-spacing: .12em; line-height: 1; color: var(--gold); text-shadow: 0 6px 0 rgba(0, 0, 0, .3); }
.qr { background: #fff; padding: 10px; border-radius: 14px; width: 170px; height: 170px; }
.qr img, .qr svg { width: 100%; height: 100%; display: block; }
.roster { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; align-content: flex-start; overflow-y: auto; width: 100%; padding: 8px; flex: 1; min-height: 0; }
.roster .hero { width: 96px; cursor: pointer; position: relative; animation: pop .35s ease-out; }
.roster .hero:hover::after { content: '✕ Remove'; position: absolute; inset: 0 0 auto; background: var(--bad); border-radius: 8px; font-size: .75rem; padding: 2px; }
@keyframes pop { from { transform: scale(.3); opacity: 0; } }
.hero .av-wrap { width: 100%; aspect-ratio: 100/132; }
.hero .nm { font-size: .82rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; background: rgba(0, 0, 0, .3); border-radius: 8px; padding: 2px 6px; margin-top: 2px; }
.side { padding: 18px; display: flex; flex-direction: column; gap: 12px; overflow-y: auto; }
.side label { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: .95rem; }
.side select { background: rgba(0, 0, 0, .3); border: 1px solid var(--line); border-radius: 10px; padding: 6px 8px; }
.side hr { border: 0; border-top: 1px solid var(--line); width: 100%; margin: 4px 0; }
.boss-pick { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.boss-pick button { background: rgba(0, 0, 0, .25); border: 2px solid var(--line); border-radius: 12px; padding: 4px; aspect-ratio: 1; }
.boss-pick button.sel { border-color: var(--gold); box-shadow: 0 0 0 2px var(--gold); }

.arena { flex: 1; display: grid; grid-template-rows: auto 1fr auto; min-height: 0; padding: 14px 22px 10px; gap: 10px; }
.hp-wrap { display: flex; align-items: center; gap: 14px; }
.hp-name { font-weight: 700; font-size: 1.3rem; white-space: nowrap; }
.hp-bar { flex: 1; height: 34px; border-radius: 18px; background: rgba(0, 0, 0, .4); border: 3px solid rgba(255, 255, 255, .25); overflow: hidden; position: relative; }
.hp-fill { position: absolute; inset: 0; background: linear-gradient(180deg, #ff6b81, #e8364f); transform-origin: left; transition: transform .25s ease-out; }
.hp-ghost { position: absolute; inset: 0; background: #ffd166; transform-origin: left; transition: transform .9s ease-in .3s; }
.hp-text { position: absolute; inset: 0; display: grid; place-items: center; font-weight: 700; text-shadow: 0 2px 2px rgba(0, 0, 0, .5); }
.battle { display: grid; grid-template-columns: minmax(260px, 38%) 1fr; gap: 24px; min-height: 0; align-items: center; }
.boss-area { position: relative; height: 100%; max-height: 52vh; display: grid; place-items: center; }
.boss { width: 100%; height: 100%; max-width: 440px; animation: bossIdle 3s ease-in-out infinite; transform-origin: bottom center; }
.boss .boss-svg { width: 100%; height: 100%; }
.boss .brows, .boss .sweat { opacity: 0; transition: opacity .4s; }
.boss.angry .brows { opacity: 1; }
.boss.scared .sweat { opacity: 1; }
@keyframes bossIdle { 50% { transform: scale(1.03, .97); } }
.boss.hit { animation: bossHit .25s; }
@keyframes bossHit { 0% { filter: brightness(2.2); transform: translateX(-6px); } 50% { transform: translateX(6px); } 100% { filter: none; } }
.boss.roar { animation: roar .8s; }
@keyframes roar { 20%, 60% { transform: scale(1.12) rotate(-3deg); } 40%, 80% { transform: scale(1.12) rotate(3deg); } }
.boss.dead { animation: die 1.6s forwards; }
@keyframes die { 30% { transform: scale(1.1) rotate(-6deg); filter: brightness(2); } 100% { transform: scale(.2) rotate(30deg) translateY(80px); opacity: 0; } }
.dmg { position: absolute; font-weight: 700; font-size: 2rem; color: #fff; -webkit-text-stroke: 1.5px #7a1020; pointer-events: none; animation: floatUp 1s ease-out forwards; z-index: 5; }
.dmg.crit { color: var(--gold); font-size: 2.6rem; }
.dmg.heal { color: var(--good); -webkit-text-stroke-color: #0b5a3a; }
@keyframes floatUp { from { transform: translateY(0) scale(.6); opacity: 1; } 30% { transform: translateY(-20px) scale(1.15); } to { transform: translateY(-90px) scale(1); opacity: 0; } }
.proj { position: fixed; width: 26px; height: 26px; border-radius: 50%; z-index: 20; pointer-events: none; box-shadow: 0 0 18px 6px currentColor; background: #fff; }
.spark { position: fixed; width: 10px; height: 10px; border-radius: 50%; pointer-events: none; z-index: 21; }

.qpanel { display: flex; flex-direction: column; gap: 14px; min-height: 0; }
.qcard { padding: 20px 24px; font-size: clamp(1.4rem, 2.6vw, 2.4rem); font-weight: 600; line-height: 1.25; display: flex; gap: 18px; align-items: center; }
.qcard .qtext { flex: 1; }
.ring { width: 84px; height: 84px; flex: none; position: relative; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring span { position: absolute; inset: 0; display: grid; place-items: center; font-size: 1.8rem; font-weight: 700; }
.h-choices { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.h-choices .choice { font-size: clamp(1.1rem, 1.9vw, 1.7rem); padding: 16px 18px; min-height: 84px; }
.h-choices .choice .cnt { margin-left: auto; background: rgba(0, 0, 0, .25); border-radius: 10px; padding: 2px 12px; font-size: .9em; display: none; }
.reveal .h-choices .choice .cnt { display: block; }
.status-line { display: flex; gap: 16px; align-items: center; font-size: 1.2rem; font-weight: 600; color: var(--muted); }
.status-line b { color: var(--text); }
.party { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 6px; padding: 6px 0 2px; }
.party .hero { width: var(--hs, 74px); text-align: center; position: relative; transition: transform .2s; }
.party .hero .nm { font-size: calc(var(--hs, 74px) * .16); }
.party .hero.done::before { content: '✓'; position: absolute; top: -4px; right: -2px; z-index: 2; background: var(--good); color: #063; font-weight: 700; border-radius: 50%; width: 22px; height: 22px; font-size: 14px; display: grid; place-items: center; }
.party .hero.miss { opacity: .45; filter: grayscale(.7); }
.party .hero.jump { animation: attack .5s ease-out; }
.round-msg { font-size: 1.25rem; font-weight: 600; }
.round-msg .good { color: var(--good); }
.round-msg .bad { color: var(--bad); }

.overlay { position: fixed; inset: 0; display: none; place-items: center; z-index: 30; background: rgba(10, 6, 30, .75); }
.overlay.on { display: grid; }
.intro-text { font-size: clamp(2.5rem, 7vw, 6rem); font-weight: 700; text-align: center; animation: pop .5s; text-shadow: 0 6px 0 rgba(0, 0, 0, .4); }

.end { flex: 1; flex-direction: column; align-items: center; justify-content: center; gap: 18px; padding: 20px; text-align: center; }
.end h1 { font-size: clamp(2.5rem, 6vw, 5rem); margin: 0; }
.podium { display: flex; align-items: flex-end; gap: 18px; justify-content: center; flex-wrap: wrap; }
.podium .spot { display: flex; flex-direction: column; align-items: center; gap: 6px; width: 150px; }
.podium .spot .av-wrap { width: 110px; aspect-ratio: 100/132; }
.podium .block { width: 100%; border-radius: 14px 14px 0 0; background: var(--panel); border: 1px solid var(--line); display: grid; place-items: center; font-size: 2rem; font-weight: 700; color: var(--gold); }
.podium .spot.p1 .av-wrap { width: 140px; }
.podium .nm { font-weight: 700; font-size: 1.1rem; max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.confetti { position: fixed; top: -20px; width: 10px; height: 16px; z-index: 40; pointer-events: none; }