/* STS Schüler-App */
:root{
  --bg:#f2f2f7;--card:#fff;--ink:#1d1d1f;--ink2:#6e6e73;--ink3:#aeaeb2;--line:rgba(60,60,67,.12);--fill:rgba(118,118,128,.12);
  --accent:#0a84ff;--indigo:#5e5ce6;--purple:#bf5af2;--green:#30d158;--red:#ff3b30;
  --sh:0 1px 2px rgba(0,0,0,.04),0 10px 26px -12px rgba(0,0,0,.16);
  --spring:linear(0,.009,.035 2.1%,.141 4.4%,.723 15.5%,.938 21.6%,1.017 26.6%,1.043 31.6%,1.035 37.7%,1.007 53.3%,.998 63.7%,1);
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){:root{--bg:#000;--card:#1c1c1e;--ink:#f5f5f7;--ink2:#a1a1a6;--ink3:#636366;--line:rgba(84,84,88,.5);--fill:rgba(118,118,128,.24)}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font:16px/1.45 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.app{max-width:560px;margin:0 auto;min-height:100vh;padding:calc(14px + env(safe-area-inset-top)) 16px calc(30px + env(safe-area-inset-bottom))}
.splash{min-height:80vh;display:grid;place-items:center}
.logo{display:inline-grid;place-items:center;width:64px;height:64px;border-radius:20px;background:linear-gradient(140deg,var(--indigo),var(--purple));color:#fff;font:800 18px -apple-system,sans-serif;letter-spacing:.04em;box-shadow:0 14px 30px -12px rgba(94,92,230,.75)}
.splash .logo{animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(.92)}}
h1{font:700 32px/1.12 -apple-system,"SF Pro Display",sans-serif;letter-spacing:-.025em;margin:10px 4px 4px}
.sub{color:var(--ink2);margin:0 4px 18px;font-size:15px}
.card{background:var(--card);border-radius:22px;padding:18px;box-shadow:var(--sh);margin-bottom:12px;animation:up .6s var(--spring) both;animation-delay:var(--d,0ms)}
@keyframes up{from{opacity:0;transform:translateY(16px) scale(.98)}}
.ct{font-size:12px;font-weight:700;color:var(--ink2);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}
.hero{background:linear-gradient(140deg,var(--indigo),var(--purple));color:#fff;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-30px;top:-40px;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.18)}
.hero .ct{color:rgba(255,255,255,.85)}.hero b{font-size:20px;display:block}
.soon{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.soon div{background:var(--fill);border-radius:16px;padding:14px;font-size:14px;font-weight:600}
.soon span{display:block;font-size:24px;margin-bottom:6px}
.muted{color:var(--ink2)}.sm{font-size:13px}
/* Onboarding */
.onb{min-height:calc(100vh - 60px);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}
.onb .logo{margin:0 auto 18px}
.err{min-height:22px;color:var(--red);font-size:14px;font-weight:600;margin:4px 0 10px;max-width:340px}
.btn{display:block;width:100%;max-width:330px;margin:8px auto;border:0;border-radius:16px;padding:16px;font:600 17px -apple-system,sans-serif;color:#fff;background:linear-gradient(180deg,#3d9bff,var(--accent));box-shadow:0 12px 24px -10px rgba(10,132,255,.9);cursor:pointer;transition:transform .35s var(--spring),opacity .3s}
.btn:active{transform:scale(.96)}.btn:disabled{opacity:.4}
.btn.ghost{background:none;color:var(--accent);box-shadow:none}
.tip{margin:22px auto 0;max-width:360px;text-align:left;background:var(--card);border-radius:18px;padding:14px 16px;box-shadow:var(--sh);font-size:14px}
.tip b{display:block;margin-bottom:6px}
.tip ol{margin:0;padding-left:20px}.tip li{margin:3px 0}
.ok{width:72px;height:72px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-size:38px;margin:0 auto 14px;animation:okp .7s var(--spring)}
@keyframes okp{from{transform:scale(0) rotate(-40deg)}}
.foot{text-align:center;margin-top:24px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.btn.sec{background:var(--card);color:var(--accent);box-shadow:var(--sh)}
.tip{font-size:13.5px}.tip b{display:block}
.search{width:100%;font:16px -apple-system,sans-serif;padding:13px 16px;border-radius:14px;border:0;background:var(--card);box-shadow:var(--sh);margin-bottom:12px;color:var(--ink);outline:0}
.names{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.nm{border:0;border-radius:16px;padding:16px 10px;background:var(--card);box-shadow:var(--sh);font:600 16px -apple-system,sans-serif;color:var(--ink);cursor:pointer;transition:transform .3s var(--spring)}
.nm:active{transform:scale(.94);background:var(--accent);color:#fff}
.spin{width:54px;height:54px;border-radius:50%;border:5px solid var(--fill);border-top-color:var(--accent);animation:sp 1s linear infinite;margin-bottom:16px}
@keyframes sp{to{transform:rotate(360deg)}}
.scanw{position:fixed;inset:0;background:#000;z-index:10}
.scanw video{width:100%;height:100%;object-fit:cover}
.frame{position:absolute;left:50%;top:44%;width:66vw;max-width:300px;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:28px;box-shadow:0 0 0 100vmax rgba(0,0,0,.45);border:3px solid rgba(255,255,255,.9)}
.scanhint{position:absolute;left:0;right:0;top:calc(44% + min(33vw,150px) + 22px);text-align:center;color:#fff;font-weight:600}
.scanw .close{position:absolute;left:50%;transform:translateX(-50%);bottom:calc(30px + env(safe-area-inset-bottom));max-width:260px}
.pkcard{background:linear-gradient(140deg,#e9f6ff,#efeaff)}.pkcard b{display:block;font-size:18px;margin-bottom:4px}.pkcard .btn{margin:12px 0 0;max-width:none}
@media (prefers-color-scheme:dark){.pkcard{background:linear-gradient(140deg,#0b2a44,#241b44)}}
.hero .tav{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:62px;height:62px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 3px rgba(255,255,255,.6);z-index:1}
.hero b,.hero .ct,.hero span{position:relative;z-index:1;padding-right:70px;display:block}
.onb a,.foot a{color:var(--ink2)}
.grade{font:800 120px/1 -apple-system,"SF Pro Rounded",sans-serif;letter-spacing:-.04em;background:linear-gradient(135deg,var(--indigo),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent;margin:10px 0;animation:okp .8s var(--spring)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}.chips button{min-width:46px;padding:10px 0;border-radius:12px;border:1px solid var(--line,rgba(60,60,67,.15));background:transparent;color:inherit;font:600 16px/1 inherit;transition:.2s}
.chips button.on{background:#0a84ff;color:#fff;border-color:#0a84ff;transform:scale(1.06)}
.self textarea{width:100%;min-height:64px;border-radius:12px;border:1px solid var(--line,rgba(60,60,67,.15));padding:10px;font:inherit;background:transparent;color:inherit;box-sizing:border-box;margin-bottom:10px}
.self .ok{font-size:40px;color:#30d158}
.glist{list-style:none;margin:6px 0 0;padding:0}.glist li{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-top:1px solid var(--line,rgba(60,60,67,.12))}.glist li:first-child{border:0}
.glist small{display:block;opacity:.6;font-size:12px}.glist em{font-style:normal;font:700 22px/1 inherit}.glist li.new em{color:#0a84ff}
.exr{padding:8px 0}.exr b{display:block}.exr span{font-size:13px;opacity:.65}.exr i{display:block;height:8px;border-radius:99px;background:rgba(120,120,128,.18);margin-top:6px;overflow:hidden}.exr em{display:block;height:100%;background:linear-gradient(90deg,#30d158,#34c759);border-radius:99px;transition:width 1s cubic-bezier(.2,1,.3,1)}
.livec{box-shadow:0 0 0 2px #ff3b30,0 12px 40px rgba(255,59,48,.18);animation:liveIn .5s cubic-bezier(.2,1.4,.4,1)}.livec.done{box-shadow:0 0 0 2px #30d158}@keyframes liveIn{from{transform:translateY(12px) scale(.97);opacity:0}}
.livec .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#ff3b30;margin-right:6px;animation:blink 1.2s infinite}@keyframes blink{50%{opacity:.25}}
.livec .q{display:block;font-size:20px;line-height:1.25;margin:4px 0 12px}.livec .voted{color:#30d158;font-weight:700;margin:0 0 8px}
.opts{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.opts button,.scale button{border:1px solid rgba(120,120,128,.25);background:transparent;color:inherit;border-radius:14px;padding:14px;font:600 16px/1.2 inherit;text-align:left;transition:.2s}
.opts button.on,.scale button.on{background:#0a84ff;border-color:#0a84ff;color:#fff;transform:scale(1.02)}.scale{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:4px}.scale button{text-align:center;font-size:20px}
.livec input,.livec textarea{width:100%;box-sizing:border-box;border-radius:12px;border:1px solid rgba(120,120,128,.25);background:transparent;color:inherit;padding:12px;font:inherit;margin-bottom:12px}
.pr{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:6px 0}.pr .st button{border:0;background:none;font-size:26px;color:rgba(120,120,128,.35);padding:0 1px}.pr .st button.on{color:#ffcc00}
.rb{position:relative;display:flex;justify-content:space-between;padding:8px 10px;margin:4px 0;border-radius:10px;overflow:hidden;font-size:14px}.rb i{position:absolute;inset:0 auto 0 0;width:var(--w);background:rgba(10,132,255,.15);z-index:-1}
.cloudm{display:flex;flex-wrap:wrap;gap:6px}.cloudm span{padding:6px 10px;border-radius:99px;background:rgba(10,132,255,.12);font-size:14px}
.rb{isolation:isolate}
/* Quiz */
.quiz{position:fixed;inset:0;display:flex;flex-direction:column;background:var(--bg);padding:calc(10px + env(safe-area-inset-top)) 14px calc(14px + env(safe-area-inset-bottom));z-index:20}
.qzh{display:flex;justify-content:space-between;align-items:center;font-weight:600;color:var(--ink2);font-size:14px;padding:4px 4px 10px}
.qzh .x{border:0;background:var(--fill);color:var(--ink2);width:32px;height:32px;border-radius:50%;font-size:14px}
.qzb{flex:1;display:flex;flex-direction:column;gap:12px;min-height:0}
.qwait,.qres{margin:auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px}
.qwait b,.qres b{font-size:26px;letter-spacing:-.02em}.qwait p,.qres p{margin:0}
.qwait .me{width:96px;height:96px;border-radius:50%;object-fit:cover;box-shadow:var(--sh);animation:pulse 1.6s ease-in-out infinite}
.dots{display:flex;gap:6px;margin-top:8px}.dots i{width:9px;height:9px;border-radius:50%;background:var(--indigo);animation:pulse 1s ease-in-out infinite}.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
.big{font-size:72px;line-height:1}
.qtime{height:8px;border-radius:99px;background:var(--fill);overflow:hidden}.qtime i{display:block;height:100%;width:100%;border-radius:99px;background:linear-gradient(90deg,var(--indigo),#ff2d55)}
.qq{font-size:20px;font-weight:700;letter-spacing:-.01em;margin:4px 2px;line-height:1.25}
.qtiles{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:10px}.qtiles.n2{grid-template-columns:1fr}
.qtiles button{border:0;border-radius:22px;color:#fff;font:700 18px/1.2 -apple-system,sans-serif;padding:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;box-shadow:0 10px 24px -12px rgba(0,0,0,.45);transition:transform .25s var(--spring),opacity .3s}
.qtiles button span{font-size:30px}.qtiles button:active{transform:scale(.94)}.qtiles button:disabled{opacity:.4}.qtiles button.on{transform:scale(.96);box-shadow:0 0 0 4px var(--card),0 0 0 7px var(--ink)}
.qtiles .c0{background:linear-gradient(150deg,#ff5a7a,#ff2d55)}.qtiles .c1{background:linear-gradient(150deg,#3a9bff,#0a6cff)}.qtiles .c2{background:linear-gradient(150deg,#ffc933,#ffaa00);color:#3a2a00}.qtiles .c3{background:linear-gradient(150deg,#4cdc74,#20b84a)}
.qmap{flex:1;border-radius:20px;overflow:hidden;min-height:240px}
.qres .pts{font-size:34px;font-weight:800;color:var(--green)}.qres.no .big{color:var(--red)}.qres.yes .big{color:var(--green)}.qres.none .pts{display:none}
.qres .rank{display:flex;gap:18px;margin-top:14px;padding:12px 18px;border-radius:16px;background:var(--card);box-shadow:var(--sh)}
.crownm{font-size:96px;animation:crown 1.1s var(--spring) both}@keyframes crown{from{opacity:0;transform:translateY(-60px) rotate(-25deg) scale(.4)}}
.qres.end .btn{margin-top:18px;width:auto;padding-left:28px;padding-right:28px}
.gmap{position:relative;background:linear-gradient(180deg,#d6e9fb,#c3dcf5);touch-action:none;user-select:none;-webkit-user-select:none}
.gmap svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.gmap .land{fill:#fbf8f1;stroke:#c9bfa8;stroke-width:.8;vector-effect:non-scaling-stroke}.gmap .bord{fill:none;stroke:#d9cfb9;stroke-width:.6;vector-effect:non-scaling-stroke}
.gmap .grat line{stroke:rgba(255,255,255,.5);stroke-width:.7;vector-effect:non-scaling-stroke}
.gmap .pin path{stroke:#fff;stroke-width:2.2}.gz{position:absolute;right:10px;bottom:10px;display:flex;flex-direction:column;gap:4px;padding:4px;border-radius:14px;background:rgba(255,255,255,.8);box-shadow:var(--sh);z-index:2}
.gz button{width:40px;height:40px;border:0;border-radius:10px;background:transparent;font-size:19px;color:#1d1d1f}
/* Quiz: weitere Fragetypen */
.qtools{display:flex;align-items:center;gap:8px;min-height:34px}.qtools .grow{flex:1}.x2{color:#ff9f0a;font-weight:700;font-size:14px}
.jk{border:0;border-radius:999px;padding:7px 14px;font:600 15px -apple-system,sans-serif;background:var(--card);color:var(--ink);box-shadow:0 4px 14px -6px rgba(0,0,0,.3)}
button.jk:active{transform:scale(.94)}.jk.used{opacity:.55;box-shadow:none;background:transparent}
.qimgm{max-height:30vh;max-width:100%;align-self:center;border-radius:18px;box-shadow:0 10px 30px -14px rgba(0,0,0,.4)}
.qtiles button.cut{opacity:.15}.qtiles.ord button{position:relative}.qtiles.ord em{position:absolute;top:8px;right:10px;font:800 22px -apple-system,sans-serif;font-style:normal}
.qtiles.ord button.on{opacity:.75;transform:scale(.95)}.qtiles button.on[data-m]{box-shadow:0 0 0 4px var(--card),0 0 0 7px var(--ink)}
.qpin{position:relative;line-height:0;align-self:center;max-width:100%;flex:1;min-height:0;display:flex;align-items:center}.qpin img{max-width:100%;max-height:52vh;border-radius:18px;box-shadow:0 10px 30px -14px rgba(0,0,0,.4)}
.qpin em{position:absolute;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;background:#5e5ce6;border:3px solid #fff;box-shadow:0 3px 10px rgba(0,0,0,.4);pointer-events:none}
.qsl{flex:1;display:flex;flex-direction:column;justify-content:center;gap:18px;padding:0 6px}.qsl b{font:800 46px/1 -apple-system,sans-serif;text-align:center;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.qsl input{width:100%;height:44px;accent-color:#5e5ce6}
.qin{font:600 22px -apple-system,sans-serif;padding:16px 18px;border-radius:18px;border:2px solid var(--line,#d1d1d6);background:var(--card);color:var(--ink);text-align:center}
.qin:focus{outline:0;border-color:#5e5ce6}.center{text-align:center}
.qsl .lims{display:flex;justify-content:space-between;font-size:14px;color:var(--ink2,#6e6e73)}
.jk.ff{background:linear-gradient(135deg,#ffd60a,#ff9f0a);color:#3a2a00;box-shadow:0 6px 16px -6px rgba(255,159,10,.7)}.jk b{font-weight:800;letter-spacing:-.02em}
/* Mappe & Abgabe */
.mpa{list-style:none;margin:0;padding:0}.mpa li{border-top:1px solid var(--line,rgba(0,0,0,.06))}.mpa li:first-child{border-top:0}
.mpa button,.mpa a,.mpa.files li{width:100%;display:flex;align-items:center;gap:12px;padding:12px 2px;border:0;background:none;font:inherit;color:var(--ink);text-align:left;text-decoration:none}
.mpa button:active,.mpa a:active{opacity:.6}.mpa .grow{flex:1;min-width:0;display:flex;flex-direction:column}.mpa b{font-weight:600;overflow-wrap:anywhere}.mpa small{color:var(--ink2,#6e6e73);font-size:13px}
.mpa .fi{font-size:24px;width:30px;text-align:center}.mpa .chev{color:var(--ink2);font-size:20px}.mpa .dl{color:#5e5ce6;font-size:18px}
.backb{border:0;background:none;color:#5e5ce6;font:600 17px -apple-system,sans-serif;padding:6px 0;margin-bottom:6px}
.upb{display:flex;justify-content:center;cursor:pointer;margin-top:10px}.upp{margin-top:10px;height:28px;border-radius:14px;background:var(--fill,#e5e5ea);position:relative;overflow:hidden}
.upp i{position:absolute;inset:0 auto 0 0;width:0;background:linear-gradient(90deg,#5e5ce6,#bf5af2);transition:width .2s}.upp span{position:relative;display:block;text-align:center;font:600 13px/28px -apple-system,sans-serif;color:#fff;mix-blend-mode:difference}
.err{color:#d70015}
/* Hinweise */
.notes .note{padding:10px 0;border-top:1px solid var(--line,rgba(0,0,0,.06))}.notes .note:first-of-type{border-top:0}.notes .note p{margin:0;font-weight:500}.notes .note small{color:var(--ink2,#6e6e73);font-size:12px}
.notes .note.new p::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:#ff375f;margin-right:7px;vertical-align:middle}.pon{font-size:11px;color:#1a8f3a;margin-left:6px;letter-spacing:0;text-transform:none}
.notes .btn{margin-top:10px}
/* Guten Morgen: Tag des Tages */
.dayc{display:flex;gap:14px;align-items:flex-start;background:linear-gradient(150deg,#fff7e6,#ffe9f0);color:#3b2a1a;position:relative;overflow:hidden;animation:dayin .6s cubic-bezier(.2,1.3,.4,1) both}
.dayc::after{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.8),transparent 70%)}
.dayc .de{font-size:44px;line-height:1;filter:drop-shadow(0 6px 10px rgba(0,0,0,.18))}.dayc small{text-transform:uppercase;letter-spacing:.07em;font-weight:700;font-size:11px;color:#c26a00}
.dayc b{display:block;font-size:19px;margin:2px 0}.dayc p{margin:2px 0 0;font-size:14px;line-height:1.4;color:#5c4632}.dayc p.big{font-size:16px;font-weight:600;color:#3b2a1a}
.dayc .more{border:0;background:none;padding:6px 0 0;color:#c26a00;font:600 13px -apple-system,sans-serif}
.dayc.geo{background:linear-gradient(150deg,#e8f6ff,#eef0ff)}.dayc.geo small{color:#0a6cff}
.dayc.ser{background:#f2f2f7;color:#1d1d1f}.dayc.ser .de{font-size:28px;filter:none}.dayc.ser b{font-size:15px}.dayc.ser p{color:#6e6e73}
@media(prefers-color-scheme:dark){.dayc{background:linear-gradient(150deg,#3a2a14,#3a1a2a);color:#fff}.dayc p,.dayc p.big{color:#e5d5c5}.dayc.geo{background:linear-gradient(150deg,#12263a,#1c1c3a)}.dayc.ser{background:#2c2c2e;color:#fff}.dayc.ser p{color:#aeaeb2}}
@keyframes dayin{from{opacity:0;transform:translateY(10px) scale(.98)}}
.qfm{width:96px;height:96px;border-radius:50%;object-fit:cover;box-shadow:0 14px 30px -14px rgba(0,0,0,.5);margin:0 auto 6px;animation:qfin .55s cubic-bezier(.2,1.5,.4,1) both}@keyframes qfin{from{transform:scale(.6) rotate(-10deg);opacity:0}}