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h1{margin-bottom:16px;color:#fff;font-size:clamp(2rem,3vw,2.8rem);line-height:1.05}.auth-hero p{color:#cbd5e1;font-size:1.05rem}.auth-hero-dragon{position:absolute;right:-40px;bottom:-40px;width:360px;height:360px;object-fit:contain;opacity:.95}}.app-layout{display:grid;grid-template-columns:1fr;min-height:100vh}.app-content{min-width:0;overflow-x:clip}.screen-stage--fwd,.screen-stage--back{animation-duration:.26s;animation-timing-function:cubic-bezier(.22,.61,.36,1);animation-fill-mode:both}.screen-stage--fwd{animation-name:screenInFwd}.screen-stage--back{animation-name:screenInBack}@keyframes screenInFwd{0%{opacity:0;transform:translate3d(8%,0,0)}to{opacity:1;transform:none}}@keyframes screenInBack{0%{opacity:0;transform:translate3d(-8%,0,0)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.screen-stage{animation:none}}.live-room{position:relative;min-height:100vh;display:flex;flex-direction:column;align-items:center;gap:18px;padding:28px 18px 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.live-podium-bar{background:linear-gradient(180deg,#fde68a,#fbbf24);height:150px}.live-podium-col.rank-2 .live-podium-bar{background:linear-gradient(180deg,#e5e7eb,#9ca3af);height:112px}.live-podium-col.rank-3 .live-podium-bar{background:linear-gradient(180deg,#fdba74,#ea580c);height:90px}.live-leaderboard--full{margin-top:14px}.live-rank{justify-content:center}.live-rank-title{font-size:clamp(1.5rem,5vw,2.2rem);margin:0}.live-confetti{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:5}.live-confetti-piece{position:absolute;top:-16px;width:10px;height:14px;border-radius:2px;opacity:.9;animation-name:confettiFall;animation-timing-function:linear;animation-iteration-count:infinite}@keyframes confettiFall{0%{transform:translateY(-10vh) rotate(0);opacity:1}to{transform:translateY(110vh) rotate(540deg);opacity:.85}}@media(prefers-reduced-motion:reduce){.live-confetti{display:none}}.app-sidebar{display:none}@media(min-width:960px){.app-layout{grid-template-columns:260px 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small{color:#64748b;font-size:.74rem;font-weight:700}.sidebar-logout{display:grid;width:36px;height:36px;place-items:center;border:0;border-radius:50%;background:#fff;color:#ef4444;box-shadow:0 4px 10px #0f172a14}.bottom-nav{display:none!important}.screen{width:100%;max-width:1100px;padding:32px 36px 56px}.alpha-home .brand-header{display:none}.alpha-home{display:grid;grid-template-columns:1.1fr 1fr;grid-template-areas:"streak challenge" "header header" "grid grid" "room room" "goal 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rgba(15,23,42,.12);border-radius:14px;font:inherit;font-size:1.05rem;font-weight:700;color:var(--alpha-ink);resize:vertical;background:#fff}.draft-question-prompt:focus{outline:none;border-color:var(--alpha-violet)}.draft-question-error{color:var(--alpha-rose);font-size:.85rem;font-weight:700}.draft-options-grid{display:grid;grid-template-columns:1fr;gap:10px}@media(min-width:640px){.draft-options-grid{grid-template-columns:1fr 1fr}}.draft-option-row{--opt-bg: var(--kh-red);--opt-edge: var(--kh-red-edge);position:relative;display:grid;grid-template-columns:46px 1fr auto;gap:8px;align-items:center;padding:10px 12px 10px 0;border-radius:16px;background:var(--opt-bg);border-bottom:5px solid var(--opt-edge);color:#fff}.draft-option-row--red{--opt-bg: var(--kh-red);--opt-edge: var(--kh-red-edge)}.draft-option-row--blue{--opt-bg: var(--kh-blue);--opt-edge: var(--kh-blue-edge)}.draft-option-row--yellow{--opt-bg: var(--kh-yellow);--opt-edge: var(--kh-yellow-edge)}.draft-option-row--green{--opt-bg: var(--kh-green);--opt-edge: var(--kh-green-edge)}.draft-option-shape{display:grid;place-items:center;width:46px;height:46px;font-size:22px;font-weight:900;color:#fff;text-shadow:0 1px 0 rgba(0,0,0,.2)}.draft-option-input{width:100%;padding:10px 12px;border:0;border-radius:10px;background:#fffffff2;color:var(--alpha-ink);font-weight:700}.draft-option-input:focus{outline:2px solid rgba(255,255,255,.85)}.draft-option-actions{display:flex;align-items:center;gap:6px;padding-right:4px}.draft-option-image-button{display:grid;place-items:center;width:36px;height:36px;border:0;border-radius:10px;background:#ffffff38;color:#fff;font-size:16px;cursor:pointer}.draft-option-image-button.has-image{background:#fffffff2;color:var(--alpha-ink)}.draft-option-correct{display:grid;place-items:center;width:36px;height:36px;border-radius:999px;background:#ffffff38;border:2px solid rgba(255,255,255,.7);color:#fff;font-weight:900;cursor:pointer}.draft-option-correct.is-checked{background:#fff;color:var(--opt-edge);border-color:#fff}.draft-option-image-preview{grid-column:1 / -1;display:grid;grid-template-columns:1fr auto;gap:8px;margin:0 4px;padding:8px;border-radius:10px;background:#ffffff2e}.draft-option-image-preview input{border:0;border-radius:8px;padding:8px 10px;background:#fff;color:var(--alpha-ink);font-size:.85rem}.draft-option-image-preview img{max-height:56px;border-radius:8px;object-fit:cover}.draft-question-footer{display:flex;justify-content:center;margin-top:6px}.draft-add-question{margin-top:12px}.alpha-lobby{display:grid;gap:18px;padding:28px 8px;text-align:center}.alpha-lobby-eyebrow{margin:0;font-size:.9rem;letter-spacing:.16em;color:#fff;font-weight:800;text-transform:uppercase;opacity:.85}.alpha-lobby-code-card{display:grid;gap:8px;margin:0 auto;padding:28px 24px;width:100%;max-width:520px;border-radius:24px;background:#fffffff5;box-shadow:0 28px 60px #0f172a66}.alpha-lobby-code{margin:0;font-size:clamp(3rem,14vw,5.8rem);font-weight:950;letter-spacing:.18em;color:var(--alpha-ink)}.alpha-lobby-hint{margin:0;color:#475569;font-weight:700}.alpha-lobby-copy{margin-top:4px}.alpha-lobby-actions{display:grid;gap:10px;width:100%;max-width:360px;margin:0 auto}.alpha-lobby-participants{margin:0 auto;padding:16px;border-radius:18px;background:#0f172a73;color:#f1f5f9;width:100%;max-width:520px;font-weight:700}.alpha-lobby-participants ul{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:6px}.alpha-lobby-participants li{padding:8px 12px;border-radius:12px;background:#ffffff1a}.alpha-lobby-empty{color:#f1f5f9bf;font-weight:700}.create-room-actions{display:grid;grid-template-columns:1fr;gap:10px;margin-top:18px}@media(min-width:560px){.create-room-actions{grid-template-columns:1fr auto;align-items:center}}.create-room-error{margin:0;padding:12px 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