@charset "UTF-8";
:root{--blue:#075cad;--navy:#102f48;--muted:#66788a;--line:#dce4ec;--bg:#f1f5f8;--green:#66edc0;--radius:20px;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--navy);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #329be4;outline-offset:4px}button{transition:background .18s,transform .18s}button:active:not(:disabled){transform:translateY(1px)}[hidden]{display:none!important}.brandbar{height:88px;padding:0 max(32px,calc((100vw - 1240px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#ffffffed}.brand{display:flex;gap:14px;align-items:center;color:inherit;text-decoration:none}.brand img{padding:3px;background:white;border-radius:8px}.brand>span{display:grid;gap:3px}.brand b{font-size:21px;letter-spacing:.12em}.brand span span{font-size:11px;color:var(--muted);letter-spacing:.03em}.header-actions{display:flex;gap:12px}.iconbtn{border:1px solid var(--line);border-radius:9px;background:transparent;padding:9px 13px;color:var(--navy);font-size:13px}.iconbtn:hover{background:#e8eff5}.shell{max-width:1240px;margin:auto;padding:48px 32px 0}.intro{margin-bottom:34px}.eyebrow{font-size:10px;letter-spacing:.17em;font-weight:750;color:#4e7e9d}.intro h1{font-size:clamp(30px,4vw,50px);letter-spacing:-.045em;line-height:1.1;margin:12px 0 14px;font-weight:750}.intro h1>span:first-child{font-weight:400}.title-dot{color:var(--blue)}p{line-height:1.6}.intro p{color:var(--muted);font-size:15px;margin:0}.menu-layout{display:grid;grid-template-columns:1.04fr 1fr;gap:40px;align-items:start}.panel{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 8px 30px #16375405}.section-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}.step{display:grid;place-items:center;border:1px solid #cad9e6;border-radius:50%;width:36px;height:36px;font-size:11px;font-weight:700;color:#5c7c96;flex:none}h2{font-size:22px;letter-spacing:-.03em;margin:0}.section-head h2{font-size:20px}.section-head p{font-size:12px;color:var(--muted);margin:4px 0 0}.segmented{display:flex;background:#eff3f7;border-radius:10px;padding:4px;margin-bottom:24px}.segmented button{width:50%;border:0;border-radius:7px;padding:12px 8px;font-size:12px;font-weight:650;color:var(--muted);background:transparent}.segmented .selected{background:white;box-shadow:0 2px 7px #18395413;color:var(--blue)}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 16px}.wide{grid-column:1/-1}label{display:grid;gap:8px;font-size:12px;font-weight:650;color:#40586c}select,input{min-width:0;width:100%;padding:13px 12px;border:1px solid #cdd9e2;border-radius:9px;color:var(--navy);background:#fff;font-size:13px;outline:none}select:focus,input:focus{border-color:#2788cd;box-shadow:0 0 0 3px #2689ce20}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:20px;border-radius:10px;padding:14px 20px;font-size:13px;font-weight:650;border:1px solid transparent}.primary{color:#fff;background:var(--blue);box-shadow:0 4px 10px #075cad18}.primary:hover{background:#064c8e}.secondary{color:var(--navy);background:#fff;border-color:#cedbe5}.secondary:hover{background:#eff5fa}.full{width:100%}.primary.full{justify-content:space-between}.subtle{font-size:12px;color:var(--muted);line-height:1.65}.settings .subtle{margin:19px 0}.micro{font-size:10px;line-height:1.6;color:#758596}.settings .micro{text-align:center;margin-bottom:0}.world-section{padding-top:6px}.worlds{display:grid;gap:13px}.world{position:relative;isolation:isolate;overflow:hidden;min-height:135px;text-align:left;border:2px solid transparent;border-radius:15px;padding:19px 23px;color:white;display:flex;flex-direction:column;justify-content:space-between;background-color:#092436;background-position:center;background-size:cover;box-shadow:0 6px 14px #092a3510}.world:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#031523b8,#07152725);z-index:-1}.world[data-world=weltall]{background-image:url(weltall.webp)}.world[data-world=unterwasser]{background-image:url(unterwasser.webp)}.world[data-world=gruft]{background-image:url(gruft.webp)}.world.selected{border-color:#4eafe0;box-shadow:0 0 0 3px #2398dd1a}.world:hover{background-position:51% 51%}.world-number{font-size:8px;letter-spacing:.17em;color:#c3d2e2}.world-caption{display:grid;gap:6px}.world-caption b{font-size:24px;letter-spacing:-.02em}.world-caption small{font-size:11px;color:#d7e2e9}.world-check{display:none;position:absolute;right:18px;top:18px;border-radius:50%;background:#e1f4ff;color:#005786;width:23px;height:23px;text-align:center;line-height:23px;font-size:12px}.selected .world-check{display:block}.world-note{margin:16px 0 0}footer{border-top:1px solid var(--line);margin-top:42px;padding:22px 0;display:flex;justify-content:space-between;color:#8493a1;font-size:10px}.join-row{display:flex;gap:10px}.join-row input{letter-spacing:.17em;font-weight:700;text-transform:uppercase}.or{margin:20px 0;display:flex;align-items:center;gap:12px;color:#8190a0;font-size:10px}.or:before,.or:after{content:"";height:1px;flex:1;background:var(--line)}#multi-controls>label{margin-top:20px}.narrow{max-width:760px}.narrow h1{font-size:38px;letter-spacing:-.04em}.code-box{display:grid;text-align:center;justify-items:center;gap:14px;background:#f0f6fa;border-radius:14px;padding:24px;margin:25px 0}.code-box>span{font-size:10px;letter-spacing:.16em}.code-box strong{font-size:40px;letter-spacing:.18em;color:var(--blue)}.textbtn{background:transparent;border:0;color:var(--blue);padding:14px;font-size:12px}.players{display:grid;gap:9px;margin-top:20px}.player-row{display:flex;align-items:center;gap:12px;background:#f3f6f9;border-radius:10px;padding:13px}.avatar{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:#dfebf6;color:var(--blue);font-weight:700;font-size:13px}.player-row small{margin-left:auto;color:var(--muted)}.button-row{display:flex;justify-content:space-between;gap:12px;margin-top:22px}.sr-only{position:absolute;overflow:hidden;width:1px;height:1px;padding:0;margin:-1px;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* Spielfeld: die Lesbarkeit bleibt unabhängig vom gewählten Hintergrund. */
body.playing{background:#03101d;color:white}.playing .brandbar{height:70px;background:#061725;border-color:#ffffff14;position:relative;z-index:2}.playing .brand{color:white}.playing .brand span span{color:#93afc5}.playing .iconbtn{color:#ccdfec;border-color:#ffffff25}.playing .iconbtn:hover{background:#ffffff15}#game{position:relative;isolation:isolate;min-height:calc(100dvh - 70px);padding:25px max(25px,calc((100vw - 1240px)/2));display:flex;flex-direction:column;overflow:hidden}#game .scene{position:absolute;inset:0;z-index:-3;background-position:center;background-size:cover}#game[data-world=weltall] .scene{background-image:url(weltall.webp)}#game[data-world=unterwasser] .scene{background-image:url(unterwasser.webp)}#game[data-world=gruft] .scene{background-image:url(gruft.webp)}#game:after{content:"";position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,#041524dd,#04152450 55%,#04152466),linear-gradient(0deg,#020e1cd9,transparent 50%,#03142590)}#atmosphere{position:absolute;inset:0;z-index:-1;pointer-events:none;width:100%;height:100%}.game-top{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:0 6px 20px;border-bottom:1px solid #ffffff20}.game-top h2{font-size:22px;margin-top:7px}.game-top .eyebrow,.score-panel .eyebrow{color:#96bad0}.game-actions{display:flex;gap:8px}.glass-btn{padding:9px 13px;border:1px solid #ffffff35;border-radius:8px;background:#06172570;color:#d5e7f1;font-size:11px}.glass-btn:hover{background:#ffffff20}.game-layout{display:grid;grid-template-columns:210px 1fr;gap:35px;flex:1;min-height:260px}.score-panel{padding-top:28px}.score-number{font-size:62px;line-height:1.2;letter-spacing:-.05em;font-weight:700;margin-top:12px}.score-label{color:#a3bfce;font-size:12px}.lives{color:#ff929b;letter-spacing:5px;font-size:22px;margin:22px 0 12px}.score-panel .subtle{color:#a7c4d5}.score-panel .glass-btn{margin-top:14px}.combo{color:var(--green);font-size:11px;line-height:1.6}.arena{position:relative;min-width:0;display:flex;flex-direction:column;border-left:1px solid #ffffff1a;padding-left:30px}.arena-meta{display:flex;justify-content:space-between;padding:22px 0 10px;font-size:11px;color:#c8d9e5}#fall-zone{position:relative;flex:1;min-height:270px}.task-card{position:absolute;left:50%;top:0;transform:translate(-50%,0);width:max-content;max-width:94%;text-align:center;background:#071d35dd;backdrop-filter:blur(15px);border:1px solid #8ac5ea65;border-radius:17px;padding:19px 30px;box-shadow:0 15px 50px #0005,0 0 25px #3e91be13;will-change:top}.task-instruction{display:block;font-size:10px;letter-spacing:.05em;color:#a9cce2;margin-bottom:10px}#question{font-family:"Cambria Math",Cambria,Georgia,serif;font-size:clamp(23px,3.3vw,42px);line-height:1.4;overflow-wrap:anywhere}#question sup{font-size:.6em}.task-card.correct{border-color:#6df4bc;background:#073e37dd}.task-card.wrong{border-color:#ffa8a8}.ground{position:absolute;left:0;right:0;bottom:6px;height:1px;background:linear-gradient(90deg,transparent,#9ac5d9aa,transparent);text-align:center}.ground span{position:relative;top:12px;letter-spacing:.2em;font-size:8px;color:#b9d1df}.feedback{min-height:72px;text-align:center;font-size:13px;line-height:1.6;padding:28px 0 8px;color:#d2e9f5}.feedback.good{color:#8cf2cd}.feedback.bad{color:#ffb9b9}.answer-bar{border-top:1px solid #ffffff20;padding:16px max(10px,calc((100% - 700px)/2)) 0;margin:8px -5px 0;background:#03132140}.input-tools{display:flex;gap:7px;justify-content:center;flex-wrap:wrap;margin-bottom:12px}.input-tools button{border:1px solid #ffffff25;background:#061c307d;color:#d5e8f4;padding:7px 12px;border-radius:7px;font-size:11px}.input-tools button:hover{background:#ffffff25}.answer-row{display:flex;gap:10px}.answer-row input{background:#041524dd;border:1px solid #a5d8ee70;color:white;font-size:20px;padding:13px 20px}.answer-row input::placeholder{color:#88a1b4}.answer-row .primary{background:#c1ecff;color:#083651;box-shadow:0 4px 14px #0003}.answer-row .primary:hover{background:#fff}kbd{font:inherit;opacity:.65}.answer-bar p{text-align:center;font-size:10px;color:#9ab5c8;margin:10px 0 0}.leader-row{border-top:1px solid #ffffff20;padding:12px 0;font-size:12px;display:flex;justify-content:space-between;gap:8px}.leader-row>span{overflow-wrap:anywhere}.leader-row small{display:block;color:#a7c4d5;margin-top:4px;font-size:10px}.leader-row.me{color:#8de4ff}#leaderboard{margin-top:25px}.connection{font-size:10px;color:#b1c7d7;line-height:1.6;margin-top:12px}.connection.error{color:#ffb5a4}.countdown{position:absolute;inset:0;display:grid;place-items:center;font-size:80px;font-weight:750;color:#daf5ff;background:#06152688;border-radius:18px;z-index:2}.trail{position:absolute;left:50%;top:0;bottom:0;width:1px;border-left:1px dashed #ffffff12}
dialog{border:1px solid #cedce7;border-radius:20px;padding:30px;max-width:580px;width:calc(100% - 32px);color:var(--navy);max-height:90dvh;overflow:auto;box-shadow:0 30px 100px #0005}dialog::backdrop{background:#031321ae;backdrop-filter:blur(7px)}dialog h2{font-size:30px;margin:12px 0 18px}dialog p,dialog li{font-size:13px;line-height:1.7;color:#566d80}dialog ul{padding-left:18px}dialog li{padding-bottom:10px}.dialog-head{display:flex;justify-content:space-between;align-items:center}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:20px 0}.stat-grid div{background:#f0f5f9;padding:18px 10px;border-radius:12px;text-align:center}.stat-grid b{display:block;font-size:28px;color:var(--blue)}.stat-grid span{font-size:10px;color:var(--muted)}details{margin-top:20px}summary{cursor:pointer;font-size:13px}.review-row{font-size:12px;line-height:1.7;padding:12px 0;border-bottom:1px solid var(--line)}.review-row small{display:block;color:var(--muted)}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);z-index:1000;background:#092e49;color:white;padding:14px 23px;border:1px solid #86b4cd;border-radius:12px;font-size:13px;max-width:90vw;box-shadow:0 8px 25px #0003}body:has(dialog[open]){overflow:hidden}
@media(min-height:850px) and (min-width:800px){#fall-zone{min-height:390px}}@media(min-width:1500px){.world{min-height:150px}}@media(max-width:850px){.shell{padding:30px 22px 0}.menu-layout{gap:24px;grid-template-columns:1.1fr 1fr}.panel{padding:23px}.brandbar{padding:0 24px}.world{padding:16px;min-height:144px}.world-caption b{font-size:23px}.world-caption small{font-size:10px}.game-layout{grid-template-columns:145px 1fr;gap:15px}.arena{padding-left:20px}.score-number{font-size:48px}.score-panel .eyebrow{font-size:8px}.lives{font-size:17px;letter-spacing:2px}.game-actions .glass-btn{padding:9px}.answer-bar{padding:14px 0 0}.game-top h2{font-size:18px}.field-grid{gap:15px 10px}}
@media(max-width:640px){.brandbar{height:74px;padding:0 18px}.brand span span{font-size:8px;max-width:135px}.brand img{width:42px;height:42px}.brand{gap:10px}.brand b{font-size:17px}.header-actions{gap:6px}.iconbtn{padding:8px;font-size:11px}.shell{padding:28px 18px 0}.intro{margin-bottom:25px}.intro h1{font-size:33px}.intro p{font-size:13px;max-width:310px}.menu-layout{grid-template-columns:1fr;gap:28px}.worlds{grid-template-columns:1fr}.world{min-height:127px}.world-section{order:1}.panel{padding:22px}.world-note{font-size:9px}footer{margin-top:28px;font-size:9px;gap:15px}.primary,.secondary{padding:13px;font-size:12px}.narrow h1{font-size:30px}#game{padding:16px 16px 18px;min-height:calc(100dvh - 70px)}.game-top{padding-bottom:13px}.game-top h2{font-size:16px}.game-top .eyebrow{font-size:8px}.game-actions{gap:5px}#fullscreen{display:none}.game-layout{display:flex;flex-direction:column;gap:0}.score-panel{display:flex;align-items:center;flex-wrap:wrap;gap:9px;padding:14px 0}.score-panel>.eyebrow,.score-label{display:none}.score-number{font-size:28px;margin:0}.lives{margin:0 0 0 8px;font-size:16px}.score-panel #level{margin-left:auto;font-size:10px}.score-panel #power{margin:0;font-size:9px;padding:7px}.combo{margin:0;font-size:10px}.arena{padding-left:0;border-left:0;flex:1}.arena-meta{padding-top:5px}.task-card{padding:14px 20px}.task-instruction{font-size:9px}#fall-zone{min-height:230px}.feedback{min-height:65px;font-size:12px}.answer-row input{font-size:18px;padding:12px}.answer-row .primary{gap:7px}.answer-bar p{font-size:9px}.input-tools{gap:5px}.input-tools button{font-size:10px;padding:7px 9px}#leaderboard{display:flex;gap:14px;flex-basis:100%;margin-top:0}.leader-row{flex:1;padding:7px 0;font-size:10px}.leader-row small{font-size:9px}#connection{margin:0;font-size:9px}dialog{padding:23px}.stat-grid b{font-size:23px}.stat-grid span{font-size:9px}.countdown{font-size:60px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}.task-card{will-change:auto}}