:root{--purple:#00843d;--purple-dark:#013c24;--red:#e4002b;--blue:#046a38;--yellow:#c8a951;--green:#00a651;--white:#fff;--ink:#12261b;--muted:#5b6b60;--card-radius:18px}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%}body{font-family:Segoe UI,Helvetica Neue,Arial,Noto Sans,sans-serif;background:linear-gradient(160deg,var(--purple) 0,var(--purple-dark) 100%);color:var(--ink);min-height:100vh}a{color:inherit}button{font-family:inherit;cursor:pointer}.page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px 16px 40px}.wrap{width:100%;max-width:480px}.wrap-wide{width:100%;max-width:780px}.brand{text-align:center;color:var(--white);margin-bottom:22px}.brand h1{font-size:2rem;font-weight:800;margin:0 0 4px;letter-spacing:-.5px}.brand p{margin:0;opacity:.85;font-size:.95rem}.card{background:var(--white);border-radius:var(--card-radius);padding:24px 22px;box-shadow:0 14px 40px rgba(0,0,0,.25);margin-bottom:16px}.card h2{margin-top:0;font-size:1.3rem}.field{margin-bottom:16px}.field label{display:block;font-weight:700;font-size:.85rem;color:var(--muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.03em}.input,textarea.input{width:100%;padding:13px 14px;border-radius:12px;border:2px solid #e4e4ec;font-size:1.05rem;outline:none;transition:border-color .15s;font-family:inherit}.input:focus{border-color:var(--purple)}textarea.input{resize:vertical;min-height:90px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:15px 18px;border-radius:14px;border:none;font-size:1.05rem;font-weight:800;color:var(--white);background:var(--purple);box-shadow:0 4px 0 rgba(0,0,0,.2);transition:transform .08s,filter .15s}.btn:active{transform:translateY(2px);box-shadow:0 2px 0 rgba(0,0,0,.2)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:hover:not(:disabled){filter:brightness(1.06)}.btn-green{background:var(--green)}.btn-blue{background:var(--blue)}.btn-red{background:var(--red)}.btn-outline{background:transparent;color:var(--purple);border:2px solid var(--purple);box-shadow:none}.btn-secondary{background:#f0f0f5;color:var(--ink);box-shadow:none}.row{display:flex;gap:12px}.row>*{flex:1 1}.icon-grid{display:grid;grid-template-columns:repeat(6,1fr);grid-gap:8px;gap:8px;margin-bottom:6px}.icon-btn{font-size:1.5rem;background:#f4f4f8;border:2px solid transparent;border-radius:12px;padding:8px 0;transition:all .12s}.icon-btn.selected{border-color:var(--purple);background:#d9f0e1;transform:scale(1.08)}.room-code{font-size:2.6rem;font-weight:900;letter-spacing:.15em;text-align:center;color:var(--purple);background:#e8f5ec;border-radius:14px;padding:14px 10px;margin:6px 0 16px}.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:8px;margin:4px 0 18px}.qr-wrap img{width:220px;height:220px;background:#fff;padding:10px;border-radius:16px;border:1px solid #e3e3ef}.qr-wrap .qr-hint{font-size:.85rem;color:#7a7a8c;text-align:center;word-break:break-all}.room-pick-list{display:flex;flex-direction:column;gap:10px}.room-pick-btn{display:flex;align-items:center;justify-content:space-between;background:#f4f4f8;border:2px solid transparent;border-radius:12px;padding:12px 16px;transition:all .12s;text-align:left}.room-pick-btn:active,.room-pick-btn:hover{border-color:var(--purple);background:#eef7f0}.room-pick-code{font-size:1.3rem;font-weight:800;letter-spacing:.1em;color:var(--purple)}.room-pick-count{font-size:.9rem;color:#7a7a8c}.locked-code{font-size:2.2rem;font-weight:900;letter-spacing:.15em;text-align:center;color:var(--purple);background:#e8f5ec;border-radius:14px;padding:10px;margin-bottom:18px}.muted{color:var(--muted)}.error,.muted{font-size:.9rem}.error{color:var(--red);font-weight:700;margin-top:8px}.player-list{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.player-chip{display:inline-flex;align-items:center;gap:6px;background:#e8f5ec;border-radius:999px;padding:6px 12px 6px 8px;font-weight:600;font-size:.9rem}.player-chip .icon{font-size:1.1rem}.topic-badge{display:inline-block;background:var(--purple);color:var(--white);font-weight:700;font-size:.8rem;padding:5px 12px;border-radius:999px;margin-bottom:10px}.center-text{text-align:center}.big-title{font-size:1.8rem;font-weight:900;margin:10px 0}.timer-bar-bg{height:10px;border-radius:999px;background:#eee;overflow:hidden;margin:10px 0 4px}.timer-bar-fill{height:100%;background:linear-gradient(90deg,var(--green),var(--yellow),var(--red));transition:width .2s linear}.question-text{font-size:1.35rem;font-weight:800;line-height:1.35;margin:8px 0 18px}.options-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}@media (max-width:480px){.options-grid{grid-template-columns:1fr}}.option-btn{display:flex;align-items:center;gap:10px;padding:18px 14px;border-radius:14px;border:none;color:var(--white);font-weight:800;font-size:1.05rem;text-align:left;box-shadow:0 4px 0 rgba(0,0,0,.2);transition:transform .08s,filter .15s,opacity .15s}.option-btn:active:not(:disabled){transform:translateY(2px);box-shadow:0 2px 0 rgba(0,0,0,.2)}.option-btn:disabled{opacity:.55}.option-shape{font-size:1.3rem;line-height:1}.opt-0{background:var(--red)}.opt-1{background:var(--blue)}.opt-2{background:var(--yellow)}.opt-3{background:var(--green)}.option-btn.correct{outline:4px solid #fff;box-shadow:0 0 0 4px var(--green)}.option-btn.wrong{opacity:.4}.leaderboard{list-style:none;padding:0;margin:10px 0}.leaderboard li{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;background:#eef7f0;margin-bottom:8px;font-weight:700}.leaderboard li .rank{width:26px;color:var(--purple);font-weight:900}.leaderboard li .score{margin-left:auto;color:var(--purple)}.leaderboard li.rank-1{background:#fff3cd}.leaderboard li.rank-2{background:#eef1f5}.leaderboard li.rank-3{background:#fbe6d8}.feedback-banner{text-align:center;border-radius:16px;padding:28px 18px;font-weight:900;font-size:1.4rem;color:var(--white);margin-bottom:16px}.feedback-correct{background:var(--green)}.feedback-wrong{background:var(--red)}.feedback-waiting{background:var(--blue)}.stat-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}.stat-bar-bg{flex:1 1;height:22px;border-radius:999px;background:#eee;overflow:hidden}.stat-bar-fill{height:100%;border-radius:999px}.link-btn{background:none;border:none;color:var(--white);text-decoration:underline;font-size:.9rem;opacity:.85;padding:8px}.corner-btn{position:fixed;top:16px;right:16px;z-index:20;background:hsla(0,0%,100%,.14);color:var(--white);border:1px solid hsla(0,0%,100%,.35);border-radius:999px;padding:9px 16px;font-size:.85rem;font-weight:700;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);transition:background .15s}.corner-btn:hover{background:hsla(0,0%,100%,.24)}.modal-overlay{position:fixed;inset:0;background:rgba(20,10,40,.55);display:flex;align-items:center;justify-content:center;z-index:30;padding:16px}.modal-card{width:100%;max-width:380px;margin-bottom:0}.footer-note{text-align:center;color:hsla(0,0%,100%,.6);font-size:.78rem;margin-top:18px}.podium{display:flex;align-items:flex-end;justify-content:center;gap:10px;margin:18px 0}.podium .spot{background:#eef7f0;border-radius:12px 12px 0 0;text-align:center;padding:10px 8px;font-weight:800}.podium .spot .icon{font-size:1.8rem}.podium .spot-1{height:150px;width:96px;background:#fff3cd}.podium .spot-2{height:115px;width:88px;background:#eef1f5}.podium .spot-3{height:95px;width:88px;background:#fbe6d8}.gift-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));grid-gap:14px;gap:14px}.gift-box{aspect-ratio:1/1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:linear-gradient(160deg,#0a9955,var(--purple-dark));border:none;border-radius:18px;color:var(--white);transition:transform .15s,box-shadow .15s;box-shadow:0 6px 0 #012d1a}.gift-box:not(:disabled):hover{transform:translateY(-3px);box-shadow:0 9px 0 #012d1a}.gift-box:not(:disabled):active{transform:translateY(2px);box-shadow:0 3px 0 #012d1a}.gift-box-icon{font-size:2.6rem}.gift-box.revealed{background:linear-gradient(160deg,var(--yellow),#a9822f);box-shadow:0 6px 0 #6f571f;cursor:default;color:var(--ink)}.gift-box-topic{font-weight:800;font-size:1rem;text-align:center;padding:0 6px}.gift-box-qty{font-size:1.3rem;font-weight:900}.wrap-hero{max-width:920px}.brand.hero h1{font-size:2.8rem}.brand.hero p{font-size:1.1rem}.gift-grid.hero{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px}.gift-box.hero{border-radius:22px}.gift-box.hero .gift-box-icon{font-size:3.6rem}.gift-box.hero.revealed .gift-box-topic{font-size:1.2rem}.gift-box.hero.revealed .gift-box-qty{font-size:1.6rem}.gift-qty-note{font-size:1.15rem;font-weight:800;color:var(--ink,#1a1a1a);margin:14px 0 6px}.admin-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:.95rem}.admin-table td,.admin-table th{text-align:left;padding:8px 10px;border-bottom:1px solid hsla(0,0%,100%,.12)}.admin-table th{color:var(--muted,#9aa0b4);font-weight:700;text-transform:uppercase;font-size:.75rem;letter-spacing:.03em}