:root{color-scheme:dark;--bg:#101027;--panel:#1a1936;--panel2:#201f40;--muted:#aaabc9;--line:rgba(197,197,255,.14);--white:#f7f6ff;--purple:#9468ff;--purple2:#6e4bda;--cyan:#52e2e5;--pink:#fa5b9f;--yellow:#ffd36e;--green:#46dfac;--red:#ff708d;--shadow:0 20px 60px rgba(6,5,19,.3);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{min-height:100%;scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--bg);color:var(--white);overflow-x:hidden}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{opacity:.5;cursor:not-allowed}.ambient{position:fixed;z-index:-1;pointer-events:none;filter:blur(80px);opacity:.22;border-radius:50%;width:45vw;height:50vw}.ambient-left{background:#815aff;left:-26vw;top:-20vw}.ambient-right{background:#ba3679;right:-28vw;top:10vw}.topbar{max-width:1232px;margin:auto;padding:22px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:22px;letter-spacing:-.75px;font-weight:850}.brand-mark{display:grid;place-items:center;width:40px;height:40px;background:linear-gradient(145deg,#a877ff,#714ee3);border-radius:12px;box-shadow:0 8px 27px #7041b450;color:white;font-size:23px;letter-spacing:-1px}.brand-mark span{color:#ffc077}.brand-highlight{color:#bda1ff}.topnav{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:700}.nav-link{color:#d3cee8}.nav-link:hover{color:white}.nav-admin{border:1px solid var(--line);border-radius:12px;padding:11px 16px;background:#ffffff0a}.nav-admin:hover{border-color:#ffffff65}.page{width:min(1160px,calc(100% - 48px));margin:0 auto;min-height:calc(100vh - 170px)}.site-footer{text-align:center;padding:45px 10px 28px;font-size:12px;color:#80829f}.footer-dot{color:var(--purple);font-size:9px;padding:0 7px}.hero{display:grid;grid-template-columns:1.09fr .91fr;align-items:center;gap:50px;padding-top:95px;padding-bottom:70px}.badge{display:inline-flex;gap:9px;align-items:center;border:1px solid #8c6dfa52;background:#8e6bf11d;color:#cbbaff;border-radius:99px;padding:8px 13px;font-size:12px;font-weight:800;letter-spacing:.6px;text-transform:uppercase}.badge:before{content:'';display:block;width:7px;height:7px;background:#b397ff;border-radius:50%;box-shadow:0 0 0 5px #a47aff18}h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(42px,5.5vw,75px);line-height:1.07;letter-spacing:-3.6px;margin:24px 0}.gradient-text{background:linear-gradient(100deg,#a585ff,#e87fb7);background-clip:text;-webkit-background-clip:text;color:transparent}.lead{color:#bfc0d6;font-size:18px;line-height:1.7;max-width:560px;margin-bottom:30px}.actions{display:flex;gap:13px;flex-wrap:wrap;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:12px;padding:14px 22px;border:1px solid transparent;font-size:14px;font-weight:800;line-height:1.3;transition:transform .15s,background .15s,border .15s;color:var(--white);background:#ffffff14}.btn:hover:not(:disabled){transform:translateY(-2px)}.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.btn-primary{background:linear-gradient(130deg,#9568ff,#7c55ea);box-shadow:0 9px 30px #7b55ea42}.btn-primary:hover{background:linear-gradient(130deg,#a27cff,#8663ee)}.btn-secondary{border-color:#6e698a;background:#ffffff09}.btn-ghost{background:#ffffff0d;border-color:var(--line)}.btn-danger{background:#c53d66;border-color:#e26d8f}.btn-small{padding:9px 13px;font-size:12px;border-radius:9px}.btn-big{padding:18px 28px;font-size:17px;border-radius:14px}.feature-note{display:flex;align-items:center;gap:8px;color:#8e91ad;font-size:12px;margin-top:25px}.feature-note span{color:var(--green)}.mockup-wrap{position:relative;max-width:460px;width:100%;margin:auto}.mock-glow{position:absolute;inset:30px;background:#9a70fe;filter:blur(60px);opacity:.23}.mock-card{position:relative;background:linear-gradient(150deg,#2a2456,#1c1b3c);border:1px solid #8175b452;border-radius:26px;padding:23px;box-shadow:var(--shadow);transform:rotate(3deg)}.mock-top{display:flex;justify-content:space-between;color:#a9add4;font-size:12px;align-items:center}.mock-pin{background:#ffffff18;border-radius:8px;padding:7px 11px;color:white;font-weight:900;letter-spacing:1px}.mock-question{text-align:center;font-weight:850;font-size:25px;line-height:1.3;margin:43px 0 31px}.mock-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mock-option{background:#ee4779;border-radius:11px;padding:22px 9px;text-align:center;font-size:13px;font-weight:850}.mock-option:nth-child(2){background:#2886eb}.mock-option:nth-child(3){background:#e6a437}.mock-option:nth-child(4){background:#12b395}.mock-bottom{display:flex;justify-content:space-between;color:#bbb4df;font-size:12px;margin-top:26px}.mock-float{position:absolute;bottom:-24px;left:-27px;background:#fff;color:#272343;font-size:13px;font-weight:900;padding:17px 22px;border-radius:15px;box-shadow:0 13px 35px #07041477;transform:rotate(-6deg)}.mock-float strong{color:#6e4be0}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin:30px 0 75px}.feature-card{background:#ffffff08;border:1px solid var(--line);border-radius:20px;padding:27px}.feature-icon{font-size:26px;margin-bottom:17px}.feature-card h3{font-size:16px;margin-bottom:10px}.feature-card p{font-size:13px;line-height:1.7;color:var(--muted);margin:0}.section-head{display:flex;gap:20px;justify-content:space-between;align-items:center;margin:40px 0 27px}.eyebrow{color:#ba9dff;text-transform:uppercase;letter-spacing:1.8px;font-size:11px;font-weight:900;margin-bottom:10px}.section-head h1,.page-title{font-size:clamp(29px,4vw,43px);letter-spacing:-1.5px;margin:0}.subheading{color:var(--muted);margin-top:9px;margin-bottom:0;font-size:14px;line-height:1.6}.panel{background:linear-gradient(135deg,#211e43,#191934);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.login-wrap{min-height:65vh;display:grid;place-items:center}.login-card{width:min(440px,100%);padding:38px}.login-card h1{font-size:31px;letter-spacing:-1px;margin:16px 0 9px}.login-card .lead{font-size:14px;margin-bottom:26px}.form-field{display:flex;flex-direction:column;gap:9px;margin-bottom:17px}.form-label{color:#d5d0ea;font-size:12px;font-weight:800}.input,.textarea,.select{width:100%;border:1px solid #6c66865c;background:#100f2c;border-radius:11px;padding:13px 14px;color:var(--white);outline:none;transition:border .15s;min-width:0}.input:focus,.textarea:focus,.select:focus{border-color:#a68fff;box-shadow:0 0 0 3px #886dff21}.textarea{min-height:74px;resize:vertical}.input::placeholder,.textarea::placeholder{color:#767493}.select option{background:#1b1936}.form-error{color:#ffa2b7;font-size:13px;min-height:20px;margin:9px 0}.full-width{width:100%}.dashboard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.quiz-card{display:flex;flex-direction:column;min-height:260px;padding:24px;gap:14px}.quiz-icon{width:45px;height:45px;border-radius:13px;display:grid;place-items:center;background:#8762ee28;color:#bba1ff;font-size:23px}.quiz-card h3{font-size:20px;letter-spacing:-.5px;margin:0}.quiz-card p{font-size:13px;color:var(--muted);line-height:1.6;margin:0;flex:1}.quiz-meta{font-size:12px;font-weight:800;color:#a9a3ca}.card-actions{display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:17px}.empty-state{padding:55px 20px;text-align:center}.empty-state .feature-icon{font-size:40px}.toolbar{display:flex;gap:11px;align-items:center;flex-wrap:wrap}.toolbar input[type=file]{display:none}.editor-top{max-width:860px;margin:40px auto 24px}.editor-panel{max-width:860px;margin:0 auto;padding:28px}.editor-fields{display:grid;grid-template-columns:1fr;gap:0}.editor-question{max-width:860px;margin:18px auto;padding:25px}.question-header{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-bottom:22px}.question-header h3{margin:0;font-size:20px}.question-controls{display:flex;flex-wrap:wrap;gap:8px}.question-settings{display:flex;gap:20px;align-items:end;justify-content:space-between;flex-wrap:wrap;margin-top:14px}.question-settings .form-field{margin:0}.answer-grid-edit{display:grid;grid-template-columns:1fr 1fr;gap:12px}.answer-edit{border-radius:13px;padding:13px;background:#2f2846;min-width:0}.answer-edit:nth-child(4n+1){background:#5b263f}.answer-edit:nth-child(4n+2){background:#24426c}.answer-edit:nth-child(4n+3){background:#574323}.answer-edit:nth-child(4n+4){background:#1d554c}.answer-edit .input{background:#100e2999}.answer-top{display:flex;align-items:center;justify-content:space-between;gap:7px;margin-bottom:9px}.answer-number{font-size:12px;font-weight:800}.answer-correct{font-size:12px;display:flex;align-items:center;gap:6px;cursor:pointer}.answer-correct input{accent-color:#76f3b9;cursor:pointer}.answer-edit .input{padding:11px}.editor-footer{max-width:860px;margin:23px auto 55px;display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap}.editor-hint{font-size:12px;color:var(--muted);line-height:1.6}.game-layout{padding-top:37px}.game-bar{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap;margin-bottom:26px}.game-info{display:flex;gap:13px;align-items:center;flex-wrap:wrap}.pill{display:inline-flex;gap:7px;align-items:center;border-radius:99px;padding:9px 13px;background:#ffffff0d;border:1px solid var(--line);font-size:12px;font-weight:800}.pill .live-dot{background:var(--green);width:7px;height:7px;border-radius:50%}.game-pin-large{font-size:clamp(55px,9vw,110px);line-height:1;letter-spacing:4px;font-weight:950;margin:16px 0;color:white}.lobby{text-align:center;padding:57px 25px}.lobby h1{font-size:32px;letter-spacing:-.7px}.lobby .subheading{font-size:16px}.join-url{display:inline-block;background:#14122b;border:1px solid var(--line);border-radius:11px;padding:12px 20px;color:#c9bfff;margin:0 0 25px;font-size:14px;word-break:break-all}.lobby-player-wrap{margin:28px 0}.lobby-players{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:16px 0 35px}.player-chip{border-radius:99px;background:#ffffff12;padding:10px 15px;font-size:13px;font-weight:800}.player-chip.offline{opacity:.48}.host-question,.player-question{padding:32px}.question-counter{text-align:center;font-weight:900;font-size:12px;letter-spacing:1.1px;color:#b5a1ed;text-transform:uppercase}.question-text{text-align:center;font-size:clamp(23px,3.4vw,39px);line-height:1.25;letter-spacing:-1px;font-weight:900;margin:23px auto 30px;max-width:850px;overflow-wrap:anywhere}.question-options{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.option{display:flex;align-items:center;gap:14px;border-radius:14px;padding:21px 19px;min-height:93px;border:2px solid #ffffff10;font-size:17px;font-weight:850;color:#fff;text-align:left;min-width:0;overflow-wrap:anywhere}.option.shape-0{background:#c83e70}.option.shape-1{background:#266fc8}.option.shape-2{background:#bd8532}.option.shape-3{background:#159780}.option-symbol{flex:none;font-size:26px;line-height:1}.option.correct{border-color:#ffffff;box-shadow:0 0 0 4px #76f9b854}.option.wrong-faded{filter:saturate(.35);opacity:.5}.option .option-count{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:#ffffff26;font-size:13px;min-width:29px;height:29px}.option-button:hover:not(:disabled){transform:translateY(-2px);filter:brightness(1.13)}.option-button:disabled{opacity:.65}.option-button.selected{border-color:white;box-shadow:0 0 0 4px #ffffff24;opacity:1}.timer-strip{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 0 22px}.timer-text{font-weight:950;font-size:30px;min-width:57px}.timer-track{height:10px;background:#ffffff18;border-radius:999px;overflow:hidden;flex:1}.timer-fill{height:100%;width:100%;background:linear-gradient(90deg,#7e66ec,#57dedb);transition:width .12s linear}.host-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:25px}.host-footer p{color:var(--muted);font-size:13px;margin:0}.rank-panel{padding:25px;margin-top:18px}.rank-panel h3{margin-bottom:16px}.rank-list{display:flex;flex-direction:column;gap:8px}.rank-entry{display:flex;align-items:center;gap:12px;background:#ffffff08;padding:13px 15px;border-radius:11px;font-size:14px}.rank-place{background:#aa8bff23;color:#c9b3ff;padding:7px 9px;border-radius:9px;font-weight:900}.rank-name{flex:1;font-weight:800;overflow-wrap:anywhere}.rank-score{color:#ffdd86;font-weight:900}.results-pill{padding:12px 17px;border-radius:12px;background:#2d254d;color:#d2bbff;font-weight:850;font-size:14px}.result-card{margin:0 auto 20px;max-width:480px;text-align:center;padding:35px}.result-icon{font-size:56px;margin-bottom:13px}.result-card h2{font-size:27px}.big-score{font-size:60px;font-weight:950;letter-spacing:-2px;color:#ffd879;margin:10px 0}.player-join-wrap{max-width:480px;margin:67px auto}.join-card{padding:35px}.join-card h1{font-size:35px;letter-spacing:-1px;margin:19px 0 10px}.join-card p{color:var(--muted);line-height:1.6;font-size:14px}.pin-input{font-size:27px;text-align:center;letter-spacing:8px;font-weight:900}.player-stage{max-width:900px;margin:36px auto}.player-stage .player-question{padding:26px}.player-stage .question-options{gap:11px}.player-stage .option{min-height:115px;cursor:pointer}.player-banner{text-align:center;padding:45px 28px}.player-banner h1{font-size:clamp(27px,4vw,41px);letter-spacing:-1px}.player-banner p{color:var(--muted)}.player-banner .waiting-icon{font-size:55px;margin-bottom:16px}.connected-status{display:flex;justify-content:center;align-items:center;gap:8px;color:#b5a5e8;font-size:13px;margin:17px 0}.stats-inline{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:19px}.stats-inline .pill{font-size:13px}.medal{font-size:37px}.player-result{font-size:19px;font-weight:900;color:var(--green)}.error-page{text-align:center;padding:100px 20px}.error-page h1{font-size:37px}.error-page p{color:var(--muted)}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,110px);background:#f8f5ff;color:#29233e;font-weight:750;padding:14px 21px;border-radius:12px;box-shadow:var(--shadow);z-index:20;opacity:0;pointer-events:none;transition:transform .2s,opacity .2s;font-size:13px;max-width:calc(100vw - 25px)}.toast.show{opacity:1;transform:translate(-50%,0)}.loading{text-align:center;padding:100px 20px;color:var(--muted)}.small-muted{font-size:12px;color:var(--muted)}.gap-top{margin-top:24px}.center{text-align:center}.muted{color:var(--muted)}.inline-link{color:#bda6ff;text-decoration:underline}.status-good{color:var(--green)}.status-warn{color:var(--yellow)}
@media(max-width:900px){.hero{grid-template-columns:1fr;gap:20px;padding-top:55px}.hero h1{max-width:700px}.mockup-wrap{max-width:400px;margin:35px auto 20px}.feature-grid,.dashboard-grid{grid-template-columns:1fr 1fr}.feature-grid .feature-card:last-child{grid-column:1/-1}.page{width:min(100% - 34px,900px)}}
@media(max-width:600px){.topbar{padding:17px}.brand{font-size:18px;gap:8px}.brand-mark{width:35px;height:35px;font-size:20px}.topnav{gap:11px;font-size:12px}.nav-admin{padding:9px 10px}.page{width:calc(100% - 28px)}.hero{padding-top:42px;padding-bottom:20px}.hero h1{font-size:44px;letter-spacing:-2px}.lead{font-size:15px}.mock-card{padding:17px}.mock-question{font-size:20px;margin:29px 0}.mock-option{padding:15px 4px}.mock-float{left:0}.feature-grid,.dashboard-grid{grid-template-columns:1fr}.feature-grid .feature-card:last-child{grid-column:auto}.feature-grid{margin-top:35px}.section-head{align-items:flex-start;flex-direction:column}.section-head h1{font-size:32px}.editor-panel,.editor-question{padding:17px}.answer-grid-edit,.question-options{grid-template-columns:1fr}.question-header{align-items:flex-start;flex-direction:column}.question-settings{align-items:start;gap:14px}.option{min-height:72px;padding:15px;font-size:15px}.player-stage .option{min-height:76px}.host-question,.player-question,.player-stage .player-question{padding:17px}.question-text{font-size:24px;margin:20px 0 25px}.lobby{padding:36px 14px}.lobby h1{font-size:25px}.game-pin-large{font-size:65px}.game-bar{align-items:start}.result-card{padding:22px}.player-join-wrap{margin:32px auto}.join-card{padding:25px}.editor-footer{flex-direction:column}.editor-footer .btn{width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

.rank-entry.rank-own{border:1px solid #b39dff}

/* QuizDock 2: images, multiple choice, QR lobby, analytics and reports */
.question-configuration{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0}
.question-image{display:block;max-width:100%;width:auto;max-height:min(40vh,350px);object-fit:contain;margin:16px auto 24px;border-radius:16px;border:1px solid var(--line);background:rgba(0,0,0,.13)}
.image-editor{border:1px dashed var(--line);border-radius:15px;padding:14px;margin:18px 0;background:rgba(255,255,255,.025)}
.image-editor .form-field{gap:7px}.image-editor input{max-width:100%;font-size:13px}
.image-preview{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px}
.image-preview .question-image{width:min(240px,100%);max-height:140px;margin:0;object-fit:contain}
.join-qr{display:block;width:210px;height:210px;max-width:100%;object-fit:contain;background:#fff;border-radius:20px;padding:9px;margin:24px auto 6px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.stats-panel{margin-top:20px;padding:28px}.stats-panel h3{margin:0 0 18px}
.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0 24px}
.stat-card{display:flex;flex-direction:column;gap:9px;background:rgba(255,255,255,.035);padding:15px;border:1px solid var(--line);border-radius:14px}
.stat-card span{font-size:12px;color:var(--muted)}.stat-card strong{font-size:25px}
.answer-bars{display:grid;gap:16px}.answer-bar-row{display:grid;grid-template-columns:minmax(100px,1fr) auto;gap:8px 15px;font-size:14px}
.answer-bar-row>span{overflow-wrap:anywhere}.answer-bar-track{grid-column:1/-1;background:rgba(255,255,255,.1);height:12px;overflow:hidden;border-radius:99px}
.answer-bar-fill{height:100%;border-radius:99px;min-width:0;transition:width .2s}
.answer-bar-fill.shape-0{background:#ea577c}.answer-bar-fill.shape-1{background:#5199ee}.answer-bar-fill.shape-2{background:#f3ae48}.answer-bar-fill.shape-3{background:#57c28e}
.report-items{display:grid;gap:12px}.report-item{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 22px}
.report-item strong{display:block;margin-bottom:8px}.report-table-wrap{width:100%;overflow-x:auto}
.report-table{border-collapse:collapse;width:100%;text-align:left;white-space:nowrap;font-size:14px}
.report-table th,.report-table td{padding:13px 12px;border-bottom:1px solid var(--line)}.report-table th{color:var(--muted);font-weight:600}
.report-question-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:30px 0 4px}.report-question-title h3{margin:0;overflow-wrap:anywhere}
.report-question-line{display:flex;gap:15px;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:12px 0}
.report-question-line span{color:var(--muted);font-size:13px;white-space:nowrap}
.report-question-line strong{font-size:14px;overflow-wrap:anywhere}
.player-stage .question-image{max-height:240px}
.option-button.selected{outline:3px solid rgba(255,255,255,.92);outline-offset:1px}
@media(max-width:600px){.question-configuration,.stat-grid{grid-template-columns:1fr}.report-item,.report-question-line{align-items:flex-start;flex-direction:column}.report-question-title{align-items:flex-start;flex-direction:column}.stats-panel{padding:16px}}

/* QuizDock 3: numeric questions, fluid transitions, music panel. */
.numeric-editor{margin-top:20px;padding:20px;border:1px solid var(--line);border-radius:16px;background:rgba(92,70,166,.12)}
.numeric-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:18px 0}
.numeric-player{max-width:650px;margin:25px auto 8px;text-align:center;padding:26px;border-radius:22px;background:linear-gradient(140deg,rgba(146,105,255,.19),rgba(53,204,224,.10));border:1px solid rgba(205,185,255,.22)}
.numeric-instruction{display:block;font-size:16px;font-weight:800;color:#d9d0ff;margin-bottom:14px}
.numeric-big{display:block;font-size:clamp(30px,6vw,55px);font-weight:950;color:#ffdb80;letter-spacing:-1px;margin:18px auto}
.range-slider{width:100%;height:14px;cursor:pointer;accent-color:#a58cff;margin:14px 0 4px}
.range-slider::-webkit-slider-thumb{width:28px;height:28px}
.numeric-bounds{display:flex;justify-content:space-between;color:#b7bbdf;font-size:13px;font-weight:800;margin:15px 0 24px;gap:12px}
.estimate-input{text-align:center;font-size:30px;font-weight:900;margin-top:10px}
.number-result{display:flex;justify-content:center;flex-wrap:wrap;gap:18px;padding:28px;background:rgba(255,255,255,.06);border-radius:16px;margin:20px auto;max-width:750px;text-align:center}
.number-result span{color:#cfc9e9}.number-result strong{color:#ffe19d;font-size:22px}
.music-controls{display:flex;align-items:center;gap:10px}.volume-label{display:flex;align-items:center;gap:5px;font-size:14px;color:#bdb1f1}
.volume-label input{width:83px;accent-color:#a384ff;cursor:pointer}
.invite-warning{max-width:500px;margin:12px auto;color:#ffe6ad;font-size:13px;line-height:1.5;background:#ffb03816;border:1px solid #ffca6e42;padding:10px;border-radius:9px}
/* Animate the appearance of each state without server round-trips or libraries. */
.host-question,.player-question,.player-banner,.result-card,.stats-panel{animation:stage-in .42s cubic-bezier(.18,.9,.22,1) both}
@keyframes stage-in{0%{opacity:0;transform:translateY(17px) scale(.985)}100%{opacity:1;transform:translateY(0) scale(1)}}
.option-button{transition:transform .18s ease,filter .18s ease,box-shadow .18s ease,border-color .18s ease}
.option-button:active:not(:disabled){transform:scale(.96)}
.option-button.selected{animation:answer-pop .25s ease-out}
@keyframes answer-pop{0%{transform:scale(.96)}65%{transform:scale(1.035)}100%{transform:scale(1)}}
.result-icon{animation:trophy-bounce .7s cubic-bezier(.2,.8,.2,1) both}
@keyframes trophy-bounce{0%{transform:scale(.4) rotate(-14deg);opacity:0}65%{transform:scale(1.15) rotate(7deg)}100%{transform:scale(1) rotate(0);opacity:1}}
.big-score{animation:score-rise .6s .12s both}
@keyframes score-rise{0%{opacity:0;transform:translateY(16px) scale(.75)}100%{opacity:1;transform:translateY(0) scale(1)}}
.timer-strip:has(.timer-fill[style*="width: 0%"]) .timer-text{color:var(--pink)}
.confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden;border-radius:inherit}
.result-card{position:relative;isolation:isolate}
.confetti i{position:absolute;top:-25px;left:calc(4% + var(--i) * 3.7%);width:9px;height:15px;border-radius:3px;background:hsl(calc(var(--i) * 47),90%,70%);transform:rotate(calc(var(--i) * 21deg));animation:confetti-fall 2.6s var(--delay) ease-in forwards}
@keyframes confetti-fall{0%{opacity:0;transform:translateY(-20px) rotate(0)}10%{opacity:1}100%{opacity:0;transform:translateY(450px) rotate(750deg)}}
@media(max-width:640px){.numeric-fields{grid-template-columns:1fr 1fr}.numeric-player{padding:18px}.music-controls{gap:4px}.volume-label input{width:50px}.volume-label{font-size:12px}.join-url{font-size:12px}}
@media(max-width:420px){.numeric-fields{grid-template-columns:1fr}.volume-label input{width:38px}}
@media(prefers-reduced-motion:reduce){.host-question,.player-question,.player-banner,.result-card,.stats-panel,.result-icon,.big-score,.option-button.selected,.confetti i{animation:none!important}.option-button{transition:none!important}}
.music-style{background:#282444;color:#e6dcff;border:1px solid var(--line);padding:8px 9px;border-radius:10px;font-size:12px;max-width:80px}
@media(max-width:600px){.music-controls{flex-wrap:wrap;justify-content:flex-end}.music-style{max-width:74px}}

/* QUIZBEAT 4 — New identity, intentionally composed motion system.
   Animation uses opacity and transforms for GPU efficiency on phones. */
:root{--purple:#9966ff;--cyan:#45eeeb;--pink:#ff6698;--yellow:#ffdf77;--green:#52f5b0}
.brand{font-weight:950;letter-spacing:-1.05px}
.brand-mark{width:43px;height:43px;padding:0;background:transparent;box-shadow:0 12px 28px rgba(138,71,252,.24);border-radius:14px;overflow:visible}
.brand-mark img{display:block;width:100%;height:100%;filter:drop-shadow(0 4px 15px rgba(149,86,255,.34));transition:transform .35s cubic-bezier(.2,1.4,.5,1)}
.brand:hover .brand-mark img{transform:rotate(-10deg) scale(1.12)}
.brand-highlight{background:linear-gradient(100deg,#81f7fc,#a3a0ff,#ff88b4);background-clip:text;-webkit-background-clip:text;color:transparent}
.footer-separator{display:inline-block;margin:0 9px;color:var(--cyan)}
.topbar{position:relative;z-index:3}
.hero h1{letter-spacing:-2.7px}
.hero .gradient-text{background:linear-gradient(95deg,#b6adff,#4aeaf5,#80ffcd);background-clip:text;-webkit-background-clip:text;color:transparent;background-size:200% 100%;animation:gradient-walk 7s ease-in-out infinite alternate}
@keyframes gradient-walk{to{background-position:100% 50%}}
.hero .badge{animation:badge-appear .65s .12s backwards}
.hero h1{animation:headline-in .8s .10s both}
.hero .lead{animation:headline-in .8s .2s both}
.hero .actions{animation:headline-in .8s .3s both}
@keyframes headline-in{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
@keyframes badge-appear{from{opacity:0;transform:translateX(-12px) scale(.96)}to{opacity:1;transform:translateX(0) scale(1)}}
.mockup-wrap{perspective:1000px}
.mock-card{transform-style:preserve-3d;animation:mock-float 6s ease-in-out infinite;box-shadow:0 26px 90px rgba(24,10,57,.5),0 0 65px rgba(125,74,255,.11)}
@keyframes mock-float{0%,100%{transform:translateY(0) rotateY(-3deg) rotateX(1deg)}50%{transform:translateY(-13px) rotateY(0) rotateX(-1deg)}}
.mock-float{animation:float-label 3.2s ease-in-out infinite}
@keyframes float-label{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-10px) rotate(2deg)}}
.mock-glow{animation:glow-pulse 5s ease-in-out infinite alternate}
@keyframes glow-pulse{from{opacity:.5;filter:blur(40px)}to{opacity:1;filter:blur(65px)}}
.feature-card{transition:transform .35s cubic-bezier(.2,.8,.2,1),border-color .3s,box-shadow .3s}
.feature-card:hover{transform:translateY(-7px);border-color:#9d82ff66;box-shadow:0 20px 50px rgba(41,21,100,.3)}
.feature-icon{transition:transform .35s cubic-bezier(.2,1.3,.4,1)}
.feature-card:hover .feature-icon{transform:rotate(-8deg) scale(1.16)}
.btn-primary{position:relative;isolation:isolate;overflow:hidden;transition:transform .17s ease,box-shadow .2s ease,filter .2s ease}
.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 13px 36px rgba(142,92,248,.42)}
.btn-primary:active:not(:disabled){transform:scale(.98)}
.btn-primary:after{content:"";position:absolute;top:-60%;left:-40%;width:28%;height:230%;background:linear-gradient(90deg,transparent,#ffffff42,transparent);transform:rotate(25deg) translateX(-350%);pointer-events:none}
.btn-primary:hover:after{animation:button-shine .62s both}
@keyframes button-shine{to{transform:rotate(25deg) translateX(750%)}}
/* The stage animates exactly when a phase changes; not on every answer update. */
.host-question,.player-question,.player-banner,.result-card,.stats-panel{animation:stage-in .55s cubic-bezier(.14,1,.32,1) both}
.question-counter{animation:counter-appear .45s .06s both}
@keyframes counter-appear{from{opacity:0;letter-spacing:3px;transform:translateY(-8px)}to{opacity:1;letter-spacing:1.1px;transform:translateY(0)}}
.question-text{animation:question-appear .65s .10s cubic-bezier(.18,1,.22,1) both}
@keyframes question-appear{from{opacity:0;transform:translateY(21px) scale(.96);filter:blur(3px)}to{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}}
.question-image{animation:image-appear .6s .14s both}
@keyframes image-appear{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
.question-options>.option{transform-origin:center;animation:option-entrance .48s cubic-bezier(.12,1.14,.36,1) both}
.question-options>.option:nth-child(1){animation-delay:.09s}
.question-options>.option:nth-child(2){animation-delay:.17s}
.question-options>.option:nth-child(3){animation-delay:.25s}
.question-options>.option:nth-child(4){animation-delay:.33s}
@keyframes option-entrance{from{opacity:0;transform:translateY(19px) scale(.92)}to{opacity:1;transform:translateY(0) scale(1)}}
.question-options .option-button:hover:not(:disabled){filter:brightness(1.16) saturate(1.12);box-shadow:0 11px 30px rgba(2,2,22,.25);transform:translateY(-4px) scale(1.015)}
.question-options .option-button:focus-visible{outline:3px solid white;outline-offset:4px}
.question-options .option.correct{animation:correct-glow .8s ease-out both;box-shadow:0 0 0 3px #71ffc880,0 0 27px #63ffba45}
@keyframes correct-glow{0%{transform:scale(.95);filter:brightness(1.9)}55%{transform:scale(1.045);filter:brightness(1.5)}100%{transform:scale(1);filter:brightness(1)}}
.question-options .option.wrong-faded{filter:grayscale(.7);opacity:.33;transition:opacity .55s}
.results-pill{display:inline-flex;animation:status-pop .6s cubic-bezier(.2,1.4,.4,1) both;border:1px solid #bbadff46}
@keyframes status-pop{0%{opacity:0;transform:scale(.7)}80%{transform:scale(1.06)}100%{opacity:1;transform:scale(1)}}
.timer-strip{position:relative}
.timer-text{font-variant-numeric:tabular-nums;transition:color .2s}
.timer-urgent .timer-text{color:var(--red);animation:count-pressure .95s ease-in-out infinite}
.timer-urgent .timer-fill{background:linear-gradient(90deg,#ffb56f,#ff426f);box-shadow:0 0 15px #ff4d82a0}
@keyframes count-pressure{50%{transform:scale(1.16);text-shadow:0 0 22px #ff658da0}}
.timer-track{border-radius:50px;overflow:visible}
.timer-fill{border-radius:50px;transition:width .12s linear,background-color .2s}
.lobby{overflow:hidden;position:relative;isolation:isolate}
.lobby:before{content:"";position:absolute;z-index:-1;inset:-30%;background:conic-gradient(from 25deg,transparent 0 18%,#8a5ff012 30%,transparent 46%,#2de6de10 63%,transparent 75%);animation:lobby-orbit 22s linear infinite;pointer-events:none}
@keyframes lobby-orbit{to{transform:rotate(360deg)}}
.join-qr{transition:transform .35s ease,box-shadow .35s ease;animation:qr-enter .7s .12s backwards}
.join-qr:hover{transform:scale(1.035);box-shadow:0 13px 45px #9372f15c}
@keyframes qr-enter{from{opacity:0;transform:translateY(25px) scale(.88)}to{opacity:1;transform:translateY(0) scale(1)}}
.game-pin-large{animation:pin-reveal .7s .2s both;font-variant-numeric:tabular-nums}
@keyframes pin-reveal{from{opacity:0;transform:translateY(10px) scale(.84);letter-spacing:13px}to{opacity:1;transform:translateY(0) scale(1);letter-spacing:4px}}
.player-chip{animation:chip-in .48s cubic-bezier(.17,1.4,.48,1) backwards}
.player-chip:nth-child(3n+1){animation-delay:.1s}.player-chip:nth-child(3n+2){animation-delay:.18s}.player-chip:nth-child(3n){animation-delay:.25s}
@keyframes chip-in{from{opacity:0;transform:translateY(10px) scale(.8)}to{opacity:1;transform:translateY(0) scale(1)}}
.waiting-icon{animation:icon-idle 2.8s ease-in-out infinite}
@keyframes icon-idle{0%,100%{transform:rotate(-6deg) scale(1)}50%{transform:rotate(6deg) scale(1.11)}}
.connected-status{animation:status-pulse 2.4s ease-in-out infinite}
@keyframes status-pulse{50%{opacity:.63}}
.reveal-banner{isolation:isolate;position:relative;overflow:hidden}
.reveal-banner.result-correct{background:radial-gradient(ellipse at 50% 20%,#275a5359,transparent 55%),var(--panel)}
.reveal-banner.result-correct:before{content:"";position:absolute;inset:-30%;z-index:-1;background:conic-gradient(transparent,#5affc623,transparent,#8e75ff1b,transparent);animation:win-shimmer 4s linear infinite}
@keyframes win-shimmer{to{transform:rotate(360deg)}}
.reveal-banner .result-icon{filter:drop-shadow(0 12px 18px #7c5dff50)}
.reveal-banner .score-correct{color:#5bfabe;text-shadow:0 0 40px #27e3af62}
.reveal-banner .big-score{font-variant-numeric:tabular-nums}
.rank-list{perspective:1000px}
.rank-entry{animation:ranking-enter .62s cubic-bezier(.15,1,.3,1) both;transition:background .2s,transform .2s}
.rank-entry:nth-child(1){animation-delay:.06s}.rank-entry:nth-child(2){animation-delay:.12s}.rank-entry:nth-child(3){animation-delay:.18s}.rank-entry:nth-child(4){animation-delay:.24s}.rank-entry:nth-child(5){animation-delay:.3s}.rank-entry:nth-child(n+6){animation-delay:.36s}
.rank-entry:hover{background:#ffffff12;transform:translateX(3px)}
.rank-entry.rank-top-1{background:linear-gradient(95deg,#edba3e25,transparent);border:1px solid #ffdd815a}
.rank-entry.rank-top-2{background:linear-gradient(95deg,#b8ccef1b,transparent)}
.rank-entry.rank-top-3{background:linear-gradient(95deg,#dba17a1e,transparent)}
.rank-top-1 .rank-place{background:#ffdf8d29;color:#ffe29a}.rank-top-2 .rank-place{background:#c9d9ec26;color:#dce9ff}.rank-top-3 .rank-place{background:#d6aa8726;color:#edbfa4}
@keyframes ranking-enter{from{opacity:0;transform:rotateX(-14deg) translateY(18px) scale(.96)}to{opacity:1;transform:rotateX(0) translateY(0) scale(1)}}
.answer-bar-fill{transform-origin:left center;animation:bar-grow .75s .23s cubic-bezier(.12,.8,.28,1) both}
@keyframes bar-grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.stat-card{animation:stat-fade .48s ease both}.stat-card:nth-child(2){animation-delay:.09s}.stat-card:nth-child(3){animation-delay:.18s}
@keyframes stat-fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.numeric-player{animation:stage-in .6s .15s both}
.range-slider{transition:filter .25s}.range-slider:hover{filter:brightness(1.45)}
/* Immersive but brief transition curtains that do not capture touch input. */
.scene-overlay{position:fixed;inset:0;z-index:60;display:grid;place-items:center;overflow:hidden;pointer-events:none;background:radial-gradient(circle at center,#302064ed,#140c35e6 65%,#080923e6);opacity:0;transition:opacity .16s ease}
.scene-overlay.scene-visible{opacity:1}.scene-overlay.scene-out{opacity:0;transition:opacity .38s ease}
.scene-halo{position:absolute;top:50%;left:50%;width:min(120vw,800px);aspect-ratio:1;border-radius:50%;border:1px solid #ffffff45;box-shadow:0 0 90px #a670ff9a,inset 0 0 90px #55eaff18;transform:translate(-50%,-50%) scale(.7);animation:scene-halo .9s cubic-bezier(.08,.7,.27,1) both}
.scene-halo:after{content:"";position:absolute;inset:13%;border:2px dashed #8a7eff84;border-radius:50%;animation:scene-spin 6s linear infinite}
@keyframes scene-halo{to{transform:translate(-50%,-50%) scale(1.3);opacity:.2}}
@keyframes scene-spin{to{transform:rotate(360deg)}}
.scene-inner{position:relative;text-align:center;width:95%;padding:10px;animation:scene-title .65s cubic-bezier(.1,1,.3,1) both}
.scene-kicker{display:block;margin:0 0 15px;color:#71f3ee;font-size:clamp(12px,2.2vw,21px);font-weight:900;letter-spacing:.35em}
.scene-inner strong{display:block;font-size:clamp(32px,6vw,78px);line-height:1.05;letter-spacing:-.04em;text-shadow:0 10px 45px #0008}
.scene-reveal .scene-inner strong{color:#72ffcd}.scene-finished .scene-inner strong{background:linear-gradient(100deg,#ffe6a5,#ff70af,#83f4ff);background-clip:text;color:transparent}
@keyframes scene-title{from{transform:scale(.62) translateY(24px);opacity:0;filter:blur(10px)}65%{transform:scale(1.045);opacity:1;filter:blur(0)}to{transform:scale(1);opacity:1}}
.scene-wave{height:36px;display:flex;justify-content:center;align-items:center;gap:7px;margin-top:22px}
.scene-wave i{display:block;height:18px;width:6px;border-radius:4px;background:linear-gradient(#67f9ed,#aa8aff);animation:wave-bar .55s ease-in-out infinite alternate}
.scene-wave i:nth-child(2n){animation-delay:-.25s}.scene-wave i:nth-child(3n){animation-delay:-.43s}.scene-wave i:nth-child(4n){animation-delay:-.12s}
@keyframes wave-bar{from{height:6px;opacity:.6}to{height:34px;opacity:1}}
.music-controls{flex-wrap:wrap;gap:8px;padding:4px 7px 4px 4px;border-radius:13px;border:1px solid #ffffff15;background:#ffffff05}
.music-controls .btn{white-space:nowrap}
.music-style{max-width:138px!important;width:auto;color:#ece8ff;background:#251d42;font-weight:750;font-size:12px;cursor:pointer}
.music-style:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.volume-label input{width:86px}
.music-level{height:25px;display:flex;align-items:center;gap:2px;margin:0 3px;opacity:.28;transition:opacity .25s}
.music-level i{width:3px;height:6px;border-radius:10px;background:linear-gradient(#72fff1,#b275ff)}
.music-controls.is-playing .music-level{opacity:1}
.music-controls.is-playing .music-level i{animation:equalizer .7s ease-in-out infinite alternate}
.music-level i:nth-child(2){animation-delay:-.34s}.music-level i:nth-child(3){animation-delay:-.17s}.music-level i:nth-child(4){animation-delay:-.55s}.music-level i:nth-child(5){animation-delay:-.25s}
@keyframes equalizer{from{height:5px}to{height:22px}}
.confetti i{animation-name:confetti-dance;animation-duration:2.5s;animation-timing-function:cubic-bezier(.2,.7,.2,1)}
@keyframes confetti-dance{from{opacity:0;transform:translate3d(0,-35px,0) rotate(0) scale(.6)}12%{opacity:1}to{opacity:0;transform:translate3d(var(--x,40px),450px,0) rotate(810deg) scale(1.2)}}
@media(max-width:720px){.game-bar{align-items:flex-start}.game-bar>.toolbar{width:100%}.music-controls{width:100%;justify-content:center}.music-style{max-width:130px!important}.music-level{display:none}.scene-inner strong{font-size:clamp(33px,10vw,60px)}.hero .mock-card{animation-duration:7s}}
@media(max-width:420px){.brand{font-size:17px}.brand-mark{width:36px;height:36px}.music-style{max-width:120px!important}.volume-label input{width:64px}.music-controls .btn{font-size:11px}}
@media(prefers-reduced-motion:reduce){
 *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
 .scene-overlay{display:none!important}
 .mock-card,.mock-float,.question-options>.option{transform:none!important}
 .answer-bar-fill{transform:none!important}
}

/* QuizBeat 4.1 · Speaker animation. The sound comes FROM the speaker, not
   from a detached equalizer. Decorative motion only while sound is audible. */
.music-controls{overflow:visible}
.music-controls .music-toggle{display:inline-flex;align-items:center;gap:4px;min-height:40px;padding:4px 11px 4px 7px;overflow:visible}
.speaker-viz{position:relative;display:inline-flex;flex:none;align-items:center;justify-content:flex-start;width:53px;height:32px;color:#b8b0e6}
.music-controls.is-playing .speaker-viz{color:#86fff0}
.speaker-icon{position:absolute;left:1px;top:4px;width:26px;height:26px;filter:drop-shadow(0 0 4px #75fff325)}
.speaker-ripple{position:absolute;left:22px;top:8px;width:10px;height:16px;border:2px solid #79fbec;border-left:0;border-radius:0 70% 70% 0;transform:scale(.54);opacity:0;pointer-events:none}
.speaker-ripple.ripple-second{left:27px;top:4px;width:15px;height:24px;border-color:#b58afc}
.speaker-note{position:absolute;left:29px;top:5px;font-weight:950;line-height:1;color:#8ef8ed;opacity:0;pointer-events:none;text-shadow:0 0 10px #6bfbe386}
.speaker-note.note-second{left:31px;top:10px;color:#c6a0ff}
.music-controls.is-playing .speaker-ripple.ripple-first{animation:speaker-broadcast 1.55s ease-out infinite}
.music-controls.is-playing .speaker-ripple.ripple-second{animation:speaker-broadcast 1.55s ease-out -.55s infinite}
.music-controls.is-playing .speaker-note.note-first{animation:speaker-melody 2.6s ease-out infinite}
.music-controls.is-playing .speaker-note.note-second{animation:speaker-melody 2.6s ease-out -1.3s infinite}
@keyframes speaker-broadcast{0%{transform:scale(.45);opacity:.1}28%{opacity:.95}85%,100%{transform:scale(1.28);opacity:0}}
@keyframes speaker-melody{0%,10%{transform:translate(0,4px) rotate(-12deg) scale(.65);opacity:0}22%{opacity:1}68%{opacity:.8}100%{transform:translate(15px,-17px) rotate(23deg) scale(1.1);opacity:0}}
.music-controls:not(.is-playing) .speaker-note,.music-controls:not(.is-playing) .speaker-ripple{animation:none;opacity:0}
.music-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
@media(max-width:500px){.speaker-viz{width:46px}.music-controls .music-toggle{padding:4px 8px}}
@media(prefers-reduced-motion:reduce){.music-controls.is-playing .speaker-note,.music-controls.is-playing .speaker-ripple{animation:none!important;opacity:0!important}}