/* Challenge-App (23.10.2026), Look der Probe aus der Design-Sitzung, ohne Handyrahmen. */
@font-face{font-family:"Inter";src:url("/assets/fonts/inter-var.woff2") format("woff2");font-weight:100 900;font-display:swap}
:root{--bg:#08090B;--s1:#0E1013;--s2:#13161A;--s3:#1A1E24;--fg:#F4F5F7;--mut:#B6BCC6;--mut-2:#8A9099;--blue:#2E7DFF;--blue-l:#6BA3FF;--cyan:#4FC6FF;--ok:#3DDC84;--amber:#F5B83D;--red:#FF5C62;--line:rgba(255,255,255,.09);--line-2:rgba(255,255,255,.055);--grad:linear-gradient(120deg,#2E7DFF 10%,#4FC6FF 90%);--font:"Inter",system-ui,sans-serif;--ease:cubic-bezier(.32,.72,0,1)}
*{box-sizing:border-box}html,body{margin:0}
body{background:var(--bg);color:var(--fg);font:400 16px/1.5 var(--font);letter-spacing:-.011em;-webkit-font-smoothing:antialiased;min-height:100vh;background-image:radial-gradient(900px 500px at 50% -120px,rgba(46,125,255,.16),transparent 70%);background-repeat:no-repeat}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
a{color:var(--blue-l)}
.app{max-width:560px;margin:0 auto;padding:16px 16px 112px}
.kopf{display:flex;justify-content:space-between;align-items:center;padding:8px 0 16px}
.kopf img{height:20px}
.kopf span{font-size:13px;font-weight:650;color:var(--mut-2)}
.hallo{display:flex;justify-content:space-between;align-items:center;margin:4px 0 16px}
.hallo b{font-size:24px;letter-spacing:-.035em;display:block;line-height:32px}.hallo span{font-size:14px;color:var(--mut-2)}
.av{width:44px;height:44px;border-radius:50%;background:var(--s3);border:1px solid var(--line);display:grid;place-items:center;font-size:13px;font-weight:700;flex:0 0 44px}
.karte{border-radius:20px;padding:20px;background:linear-gradient(180deg,#15181D,#0D0F12);border:1px solid var(--line);box-shadow:0 1px 0 rgba(255,255,255,.07) inset,0 30px 60px -30px rgba(0,0,0,.9);margin-bottom:12px}
.glas{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015))}
.score{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center}
.score small,.k-t{display:block;font-size:12px;font-weight:650;letter-spacing:.1em;text-transform:uppercase;color:var(--mut-2);margin:0 0 4px}
.score .z{display:block;font-size:56px;font-weight:700;letter-spacing:-.06em;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.score .plus{display:block;font-size:14px;color:#8EF0B9;margin-top:4px}
.ring{position:relative;width:96px;height:96px}.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:8}.r-bg{stroke:rgba(255,255,255,.08)}.r-fg{stroke:var(--cyan);stroke-linecap:round;stroke-dasharray:251.3;transition:stroke-dashoffset 1.2s var(--ease);filter:drop-shadow(0 0 8px rgba(79,198,255,.8))}
.ring div{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.ring b{font-size:20px;letter-spacing:-.04em;line-height:24px}.ring span{font-size:11px;color:var(--mut-2)}
.reihe3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.reihe3 div{padding:12px 8px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid var(--line);text-align:center}
.reihe3 b{display:block;font-size:24px;font-weight:700;letter-spacing:-.04em;line-height:28px}.reihe3 b small{font-size:13px;color:var(--mut-2);font-weight:500}.reihe3 span{display:block;font-size:12px;color:var(--mut-2);margin-top:2px}
.reihe3 .feuer b{color:var(--amber)}
.heute-k{border-color:rgba(107,163,255,.45);box-shadow:0 0 50px -16px rgba(46,125,255,.7)}
.heute-k .k-t{color:var(--blue-l)}
.aufg h3{font-size:20px;line-height:28px;letter-spacing:-.03em;margin:0 0 8px}
.aufg p{margin:0 0 12px;font-size:14px;line-height:20px;color:var(--mut)}
.aufg p b{color:var(--ok);font-weight:600}
.satz{position:relative;padding:12px 48px 12px 16px;border-radius:12px;background:rgba(46,125,255,.12);border:1px solid rgba(107,163,255,.3);font-size:15px;line-height:24px}
.satz small{display:block;font-size:11px;font-weight:650;color:var(--blue-l);letter-spacing:.08em;text-transform:uppercase}
.kopie{position:absolute;right:8px;top:8px;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;color:var(--mut)}
.kopie:hover{background:rgba(255,255,255,.08);color:var(--fg)}.kopie.ok{color:var(--ok)}
.kopie svg{width:18px;height:18px}
.btns{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:8px 12px;border-radius:14px;font-weight:650;font-size:16px;color:#fff;background:linear-gradient(180deg,#3A88FF,#1F66EC);box-shadow:0 0 0 1px rgba(125,176,255,.35) inset,0 1px 0 rgba(255,255,255,.3) inset,0 14px 30px -10px rgba(46,125,255,.7);transition:transform .3s var(--ease);text-decoration:none}
.btn:active{transform:scale(.98)}.btn:focus-visible{outline:2px solid #fff;outline-offset:2px}
.btn.geist{background:rgba(255,255,255,.05);border:1px solid var(--line);box-shadow:none;color:var(--fg)}
.btn.gruen{background:linear-gradient(180deg,#45E08D,#22B866);color:#05200F;box-shadow:0 14px 30px -12px rgba(61,220,132,.7)}
.btn[disabled]{opacity:.5;cursor:default}
.fein{font-size:13px;line-height:20px;color:var(--mut-2);margin:12px 0 0}
.pt{text-align:center}
.tage{max-width:420px;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}
.tage button{aspect-ratio:1;min-width:0;padding:0;border-radius:12px;display:grid;place-items:center;font-size:11px;font-weight:650;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--mut-2)}
.tage .erl{background:linear-gradient(180deg,#3A88FF,#1F66EC);border-color:#6BA3FF;color:#fff}
.tage .erl.beleg{background:var(--ok);border-color:#8EF0B9;color:#05200F}.tage .erl.test{background:var(--amber);color:#2a1a00}
.tage .an{border-color:#fff;color:#fff;box-shadow:0 0 0 3px rgba(46,125,255,.35)}
.tage .zu{opacity:.35}
.next{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:14px;color:var(--mut)}
.next b{color:var(--fg);text-align:right}
.bx{display:inline-block;width:16px;height:16px;border-radius:4px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.18);position:relative}
.bx.beleg{border-color:rgba(61,220,132,.5)}.bx.test{border-color:var(--amber);border-width:2px}
.bx.erl{background:linear-gradient(180deg,#3A88FF,#1F66EC);border-color:#6BA3FF}.bx.erl::after{content:"";position:absolute;left:4px;top:1px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.bx.beleg.erl{background:var(--ok);border-color:#8EF0B9}.bx.beleg.erl::after{border-color:#062}
.bx.test.erl{background:var(--amber);border-color:#fff}.bx.test.erl::after{border-color:#2a1a00}
.bx.zu{opacity:.35}
.pe{margin-bottom:16px}.pe>small{display:block;font-size:11px;font-weight:650;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-l)}
.pe>b{display:block;font-size:18px;line-height:24px;letter-spacing:-.025em;margin:2px 0 8px}
.pw{display:grid;grid-template-columns:36px 1fr;gap:4px 12px;align-items:center;padding:12px 8px;margin:0 -8px;border-top:1px solid var(--line-2);font-size:14px;width:calc(100% + 16px);text-align:left;border-radius:12px}
.pw>b{font-size:12px;color:var(--mut-2);grid-row:1/3}.pw>span{color:var(--mut)}.pw.fertig>span{color:var(--fg)}
.pw.laeuft{background:rgba(46,125,255,.08);border-top-color:transparent}
.bxr{display:flex;gap:4px}
.pz{margin-top:8px;padding:12px;border-radius:12px;font-size:13px;font-weight:650;background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--mut-2)}
.pz.frei{background:rgba(61,220,132,.12);border-color:rgba(61,220,132,.45);color:#8EF0B9}
.rang{display:grid;gap:6px}
.rang div{display:grid;grid-template-columns:28px 1fr auto;gap:12px;align-items:center;padding:12px;border-radius:12px;background:rgba(255,255,255,.035);border:1px solid var(--line-2);font-size:14px}
.rang div.ich{border-color:rgba(107,163,255,.5);background:rgba(46,125,255,.1)}
.rang b{font-size:12px;color:var(--mut-2)}.rang em{font-style:normal;font-weight:650}
.post{padding:12px;border-radius:12px;background:rgba(255,255,255,.035);border:1px solid var(--line-2);margin-bottom:8px;font-size:14px;line-height:20px;color:var(--mut);white-space:pre-line}
.post b{display:block;color:var(--fg);margin-bottom:4px;white-space:normal}
.abz{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.abz div{padding:12px 8px;border-radius:16px;text-align:center;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.abz i{display:block;width:36px;height:36px;margin:0 auto 8px;border-radius:50%;background:rgba(255,255,255,.08)}
.abz .da i{background:var(--grad);box-shadow:0 0 14px rgba(46,125,255,.7)}.abz .da.gold i{background:var(--amber);box-shadow:0 0 14px rgba(245,184,61,.7)}
.abz b{display:block;font-size:12px;line-height:16px}.abz span{display:block;font-size:11px;line-height:16px;color:var(--mut-2);margin-top:2px}
.abz .zu{opacity:.45}
textarea{width:100%;min-height:120px;padding:12px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--fg);font:15px/24px var(--font);resize:vertical}
textarea:focus{outline:2px solid var(--blue-l);outline-offset:1px}
.meld{margin-top:8px;font-size:14px;line-height:20px}.meld.ok{color:var(--ok)}.meld.fehler{color:var(--red)}
.tabs{position:fixed;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);max-width:560px;margin:0 auto;padding:8px 4px calc(12px + env(safe-area-inset-bottom));background:rgba(14,16,19,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line)}
.tabs button{display:flex;flex-direction:column;align-items:center;gap:4px;padding:4px;font-size:12px;font-weight:650;color:var(--mut-2)}
.tabs svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tabs button[aria-current]{color:var(--fg)}.tabs button[aria-current] svg{stroke:var(--cyan);filter:drop-shadow(0 0 6px rgba(79,198,255,.7))}
.leer{text-align:center;padding:48px 16px;color:var(--mut)}
.leer h2{font-size:24px;line-height:32px;color:var(--fg);margin:0 0 8px}
.skel{height:120px;border-radius:20px;background:linear-gradient(90deg,rgba(255,255,255,.03),rgba(255,255,255,.07),rgba(255,255,255,.03));background-size:200% 100%;animation:skel 1.4s infinite;margin-bottom:12px}
@keyframes skel{to{background-position:-200% 0}}
.pop{animation:pop .6s var(--ease)}@keyframes pop{0%{transform:scale(1)}40%{transform:scale(1.06)}100%{transform:scale(1)}}
.konfetti{position:fixed;left:50%;top:40%;pointer-events:none;font-size:15px;font-weight:700;color:#8EF0B9;transform:translate(-50%,0);animation:hoch 1.2s var(--ease) forwards;text-shadow:0 0 12px rgba(61,220,132,.8)}
@keyframes hoch{to{transform:translate(-50%,-80px);opacity:0}}
@media(prefers-reduced-motion:reduce){.pop,.konfetti,.skel{animation:none}}
/* Felix-Übersicht */
.tab-f{overflow-x:auto;border:1px solid var(--line);border-radius:16px}
.tab-f table{border-collapse:collapse;width:100%;min-width:900px;font-size:14px}
.tab-f th,.tab-f td{text-align:left;padding:12px;border-bottom:1px solid var(--line-2);vertical-align:top}
.tab-f th{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut-2);background:var(--s1)}
.tab-f td small{display:block;color:var(--mut-2)}
.warn{color:var(--amber);font-weight:650}.rot{color:var(--red);font-weight:650}
.weit{max-width:1200px}

/* Etappen, Arbeitsblätter, Zahlen (23.10.) */
.et{margin-top:10px}.et-k{display:flex;justify-content:space-between;font-size:13px;line-height:20px;color:var(--mut)}.et-k b{font-weight:600;color:var(--fg)}
.et-b{height:6px;border-radius:3px;background:rgba(255,255,255,.07);margin-top:4px;overflow:hidden}.et-b i{display:block;height:100%;border-radius:3px;background:var(--grad);box-shadow:0 0 10px rgba(79,198,255,.6)}
.tipp{font-size:14px;line-height:20px;color:var(--mut);margin:12px 0 0}.tipp b{color:var(--fg);font-weight:600}
.blatt{margin-top:12px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025)}
.blatt summary{list-style:none;cursor:pointer;padding:12px 44px 12px 14px;position:relative}
.blatt summary::-webkit-details-marker{display:none}
.blatt summary::after{content:"+";position:absolute;right:14px;top:12px;font-size:20px;color:var(--mut)}.blatt[open] summary::after{content:"–"}
.blatt summary small{display:block;font-size:11px;font-weight:650;letter-spacing:.1em;text-transform:uppercase;color:var(--ok)}
.blatt summary b{display:block;font-size:15px;line-height:20px}.blatt summary span{display:block;font-size:13px;line-height:20px;color:var(--mut-2)}
.blatt-i{padding:0 14px 4px;font-size:14px;line-height:22px;color:var(--mut)}
.blatt-i h4,.blatt-i h5{color:var(--fg);margin:14px 0 4px;font-size:14px}.blatt-i ul,.blatt-i ol{padding-left:18px;margin:6px 0}.blatt-i p{margin:6px 0}
.blatt-i ul.check{list-style:none;padding-left:0}.blatt-i ul.check li{display:grid;grid-template-columns:20px 1fr;gap:6px}.blatt-i ul.check li::before{content:"";width:14px;height:14px;margin-top:4px;border-radius:4px;border:1.5px solid var(--mut-2)}
.blatt-i strong{color:var(--fg)}.blatt-i .tab{overflow-x:auto}.blatt-i table{border-collapse:collapse;font-size:13px;min-width:100%}.blatt-i th,.blatt-i td{text-align:left;padding:6px 8px 6px 0;border-bottom:1px solid var(--line-2);vertical-align:top}.blatt-i th{color:var(--mut-2);font-size:11px;text-transform:uppercase;letter-spacing:.06em}
.blatt>.fein{padding:0 14px 12px}
.graf svg{width:100%;height:auto;display:block;overflow:visible}
.graf rect{fill:rgba(255,255,255,.06)}.graf rect.b-an{fill:url(#none);fill:#3A88FF;filter:drop-shadow(0 0 6px rgba(46,125,255,.6))}.graf rect.b-leer{fill:rgba(255,255,255,.1)}
.b-w{font:600 11px var(--font);fill:var(--fg)}.b-l{font:500 10px var(--font);fill:var(--mut-2)}.b-ziel{stroke:var(--ok);stroke-width:1.5;stroke-dasharray:4 4}
.graf2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}.graf2 .karte{margin-bottom:0}
@media(max-width:480px){.graf2{grid-template-columns:1fr}}
.feld{display:grid;grid-template-columns:1fr 112px;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--line-2)}
.feld span{font-size:15px;line-height:20px;color:var(--fg)}.feld small{display:block;font-size:12px;color:var(--mut-2)}
.feld input,.feld select{width:100%;min-height:44px;padding:8px 12px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--fg);font:600 16px var(--font);text-align:right}
.feld select{text-align:left}
.feld input:focus,.feld select:focus{outline:2px solid var(--blue-l);outline-offset:1px}
.demo-band{padding:8px 16px;text-align:center;font-size:13px;font-weight:600;color:#2a1a00;background:var(--amber)}

/* Anmelden, Mein Betrieb (23.10.) */
.anmelden{padding:40px 0 24px}.anmelden h1{font-size:48px;line-height:1;letter-spacing:-.045em;margin:8px 0 12px;background:linear-gradient(90deg,#fff,#9B9B9B);-webkit-background-clip:text;background-clip:text;color:transparent}
.anmelden>p{color:var(--mut);font-size:16px;line-height:24px;margin:0 0 20px}
.feld-voll{grid-template-columns:1fr}.feld-voll input,.feld-voll textarea{text-align:left;font-weight:500}
.feld-voll textarea{min-height:0;font:500 15px/22px var(--font)}
.profil{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;margin-top:4px}
.profil .pk{text-align:center;padding:12px 14px;border-radius:16px;background:rgba(46,125,255,.1);border:1px solid rgba(107,163,255,.3)}
.profil .pk b{display:block;font-size:40px;line-height:44px;letter-spacing:-.05em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.profil .pk span{font-size:11px;line-height:14px;color:var(--mut-2)}
.profil small{display:block;font-size:11px;font-weight:650;letter-spacing:.1em;text-transform:uppercase;color:var(--mut-2)}
.profil ol{margin:6px 0 0;padding-left:18px;display:grid;gap:4px;font-size:14px;line-height:20px;color:var(--fg)}
.felix-notiz{margin-top:14px!important;padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--fg)!important}
.datei{display:grid;grid-template-columns:40px 1fr auto;gap:12px;align-items:center;padding:12px;margin-top:8px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line);text-decoration:none;color:var(--fg)}
.datei i{display:grid;place-items:center;height:40px;border-radius:10px;font:800 11px var(--font);font-style:normal;color:#fff;background:var(--grad)}
.datei b{display:block;font-size:15px;line-height:20px}.datei small{font-size:12px;color:var(--mut-2)}.datei em{font-style:normal;font-size:14px;font-weight:650;color:var(--blue-l)}
.abmelden{font:inherit;color:var(--mut-2);text-decoration:underline;cursor:pointer}
.tabs[hidden]{display:none}
.chips{display:grid;grid-template-columns:repeat(auto-fit,minmax(40px,1fr));gap:6px;margin-top:12px}
.chip{min-height:44px;padding:8px 4px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--fg);font:600 15px var(--font);transition:background .3s var(--ease),border-color .3s var(--ease)}
.chip.an{background:linear-gradient(180deg,#3A88FF,#1F66EC);border-color:#6BA3FF;box-shadow:0 8px 20px -8px rgba(46,125,255,.7)}
.chip:active{transform:scale(.97)}
.termin-k .btns{margin-top:12px}

/* Prüfaufgabe: Abgabe */
.abgabe{display:grid;gap:8px;margin-top:14px}.abgabe small{font-size:13px;line-height:18px;color:var(--mut)}
.abgabe input[type=url],.abgabe input[type=text]{width:100%;min-height:44px;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--fg);font:15px var(--font)}
.abgabe input:focus{outline:2px solid var(--blue-l);outline-offset:1px}
.datei-w{position:relative;display:flex;align-items:center;justify-content:center;min-height:56px;padding:10px 12px;border-radius:12px;border:1px dashed var(--line);color:var(--fg);font-size:15px;text-align:center;cursor:pointer;overflow:hidden}
.datei-w input{position:absolute;inset:0;opacity:0;cursor:pointer}.datei-w span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.datei-w:focus-within{outline:2px solid var(--blue-l);outline-offset:1px}