:root{
  --bg:#0a0d18; --bg2:#121833;
  --glass:rgba(255,255,255,.055); --glass-2:rgba(255,255,255,.09); --stroke:rgba(255,255,255,.11);
  --ink:#eef1ff; --muted:#9aa3c7; --accent:#7c5cff; --accent-2:#22d3ee;
  --good:#34d399; --mid:#fbbf24; --bad:#fb7185;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --blob1:rgba(124,92,255,.35); --blob2:rgba(34,211,238,.22); --blob3:rgba(244,114,182,.22);
}
:root[data-theme="light"]{
  --bg:#eef0f8; --bg2:#ffffff;
  --glass:rgba(255,255,255,.7); --glass-2:rgba(255,255,255,.9); --stroke:rgba(20,24,60,.10);
  --ink:#151935; --muted:#5f6688; --accent:#6a48ff; --accent-2:#0891b2;
  --good:#059669; --mid:#b7791f; --bad:#e11d48;
  --shadow:0 18px 50px rgba(40,40,90,.15);
  --blob1:rgba(124,92,255,.22); --blob2:rgba(34,211,238,.18); --blob3:rgba(244,114,182,.16);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; color:var(--ink); background:var(--bg);
  font:15px/1.5 "Outfit",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background-image:
    radial-gradient(900px 600px at 10% -10%, var(--blob1), transparent 60%),
    radial-gradient(700px 500px at 100% 10%, var(--blob2), transparent 60%),
    radial-gradient(800px 600px at 60% 120%, var(--blob3), transparent 60%);
  background-attachment:fixed;
}
button,input,textarea{font:inherit;color:inherit}
.glass{background:var(--glass);border:1px solid var(--stroke);border-radius:22px;
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:var(--shadow)}
.btn{cursor:pointer;border:1px solid var(--stroke);background:var(--glass-2);border-radius:12px;padding:8px 14px;
  transition:transform .12s ease, background .2s, border-color .2s, box-shadow .2s}
.btn:hover{border-color:color-mix(in srgb,var(--accent) 60%,transparent);transform:translateY(-1px)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn:disabled{opacity:.45;cursor:default;transform:none}
.btn.primary{background:linear-gradient(135deg,var(--accent),#c026d3);border-color:transparent;color:#fff;
  box-shadow:0 8px 24px color-mix(in srgb,var(--accent) 45%,transparent)}
.btn.ghost{background:transparent}
.btn.danger{color:var(--bad)}
.btn.icon{padding:7px 10px;line-height:1}
input[type=text],textarea{width:100%;border:1px solid var(--stroke);border-radius:12px;padding:10px 12px;
  background:color-mix(in srgb,var(--bg2) 55%,transparent);outline:none;transition:border-color .2s, box-shadow .2s}
input[type=text]:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 22%,transparent)}
.muted{color:var(--muted)}

/* ---------- Layout ---------- */
.app{display:grid;grid-template-columns:270px 1fr;gap:20px;padding:20px;min-height:100vh}
aside{padding:20px;display:flex;flex-direction:column;gap:14px;align-self:start;position:sticky;top:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:21px;letter-spacing:-.01em}
.brand .logo{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:conic-gradient(from 0deg,#7c5cff,#22d3ee,#34d399,#fbbf24,#fb7185,#7c5cff);box-shadow:0 6px 20px rgba(124,92,255,.5)}
.brand .logo span{width:14px;height:14px;border-radius:50%;background:var(--bg2);box-shadow:inset 0 0 0 3px rgba(255,255,255,.6)}
.label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}
.classlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.classlist li{padding:10px 12px;border-radius:12px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:8px;
  transition:background .2s}
.classlist li:hover{background:var(--glass-2)}
.classlist li.active{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 85%,transparent),color-mix(in srgb,#c026d3 75%,transparent));color:#fff}
.classlist small{opacity:.75;font-size:12px}
.row{display:flex;gap:8px;align-items:center}
main{min-width:0;display:flex;flex-direction:column;gap:18px}
.topbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 18px}
.topbar h2{margin:0;font-size:26px;letter-spacing:-.02em}
.seg{display:flex;padding:4px;border-radius:14px;background:color-mix(in srgb,var(--bg2) 60%,transparent);border:1px solid var(--stroke);margin-left:auto}
.seg button{border:0;background:transparent;padding:7px 14px;border-radius:10px;cursor:pointer;color:var(--muted);font-weight:500}
.seg button.on{background:var(--glass-2);color:var(--ink);box-shadow:0 2px 10px rgba(0,0,0,.15)}
.empty{padding:60px;text-align:center}

/* ---------- Glücksrad ---------- */
.wheelwrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}
.wheelcard{padding:26px;display:flex;flex-direction:column;align-items:center;gap:20px;position:relative;overflow:hidden}
.wheel{position:relative;width:min(560px,100%);aspect-ratio:1;isolation:isolate}
.wheel::after{content:"";position:absolute;inset:1.5%;border-radius:50%;box-shadow:0 25px 45px rgba(0,0,0,.45);z-index:-1}
.wheel canvas{width:100%;height:100%;display:block}
.wheel .glow{position:absolute;inset:6%;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--accent) 45%,transparent),transparent 65%);
  filter:blur(30px);opacity:.0;transition:opacity .6s;z-index:-1}
.wheel.spinning .glow{opacity:1}
.pointer{position:absolute;left:50%;top:-14px;width:54px;height:70px;margin-left:-27px;transform-origin:50% 22%;z-index:2;
  filter:drop-shadow(0 6px 8px rgba(0,0,0,.45))}
.hub{position:absolute;left:50%;top:50%;width:19%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;border:0;cursor:pointer;
  background:radial-gradient(circle at 35% 30%,#fff 0%,#e8e6ff 18%,#8f7bff 55%,#4c2fd6 100%);
  box-shadow:0 0 0 6px rgba(255,255,255,.18),0 10px 30px rgba(0,0,0,.45), inset 0 -6px 14px rgba(0,0,0,.25);
  color:#fff;font-weight:800;letter-spacing:.06em;font-size:clamp(11px,1.6vw,16px);text-shadow:0 1px 3px rgba(0,0,0,.4);transition:transform .15s}
.hub:hover{transform:translate(-50%,-50%) scale(1.05)}
.hub:disabled{cursor:default;transform:translate(-50%,-50%)}
.controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:center}
#spin{font-size:19px;font-weight:700;padding:14px 44px;border-radius:999px;letter-spacing:.02em}
.hint{font-size:13px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.hint b.g{color:var(--good)}.hint b.m{color:var(--mid)}.hint b.r{color:var(--bad)}
.side{display:flex;flex-direction:column;gap:18px}
.panel{padding:18px}
.panel h3{margin:0 0 10px;font-size:15px;display:flex;justify-content:space-between;align-items:center}
.pool{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px;max-height:430px;overflow:auto;padding-right:4px}
.pool li{display:flex;align-items:center;gap:8px;padding:6px 6px;border-radius:10px}
.pool li:hover{background:var(--glass-2)}
.pool .dot{width:10px;height:10px;border-radius:50%;flex:none}
.pool li .n{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pool li.out .n{color:var(--muted);text-decoration:line-through}
.pool li.out .dot{opacity:.3}
.badge{min-width:28px;text-align:center;border-radius:999px;background:color-mix(in srgb,var(--accent) 22%,transparent);color:var(--ink);font-weight:700;font-size:13px;padding:1px 7px}
.pool .btn{padding:0 8px;border-radius:8px;height:26px}
.last{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-weight:700;color:#fff;flex:none}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700}
.o-removed{background:color-mix(in srgb,var(--good) 18%,transparent);color:var(--good)}
.o-kept{background:color-mix(in srgb,var(--mid) 18%,transparent);color:var(--mid)}
.o-added{background:color-mix(in srgb,var(--bad) 18%,transparent);color:var(--bad)}

/* ---------- Schüler & Verlauf ---------- */
.card{padding:22px}
.studs{list-style:none;padding:0;margin:16px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px}
.studs li{display:flex;gap:10px;align-items:center;border:1px solid var(--stroke);border-radius:14px;padding:8px 10px;background:var(--glass-2)}
.studs li .avatar{width:34px;height:34px;border-radius:10px;font-size:13px}
.studs li span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}
table{width:100%;border-collapse:collapse}
td,th{text-align:left;padding:10px;border-bottom:1px solid var(--stroke)}
th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:18px}
.stat{padding:14px;border-radius:16px;background:var(--glass-2);border:1px solid var(--stroke)}
.stat b{display:block;font-size:24px}

/* ---------- Dialog ---------- */
dialog{border:1px solid var(--stroke);border-radius:26px;padding:28px;width:min(480px,94vw);color:var(--ink);
  background:color-mix(in srgb,var(--bg2) 88%,transparent);backdrop-filter:blur(24px);box-shadow:0 40px 100px rgba(0,0,0,.55)}
dialog[open]{animation:pop .45s cubic-bezier(.2,1.4,.4,1)}
@keyframes pop{from{transform:scale(.7);opacity:0}to{transform:none;opacity:1}}
dialog::backdrop{background:rgba(5,6,15,.55);backdrop-filter:blur(4px)}
.winner{text-align:center;margin-bottom:18px}
.winner .avatar{width:76px;height:76px;border-radius:24px;font-size:28px;margin:0 auto 10px;box-shadow:0 12px 30px rgba(0,0,0,.35)}
.winner .name{font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1.1;
  background:linear-gradient(90deg,var(--ink),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.scorebig{text-align:center;font-size:56px;font-weight:800;letter-spacing:-.03em;line-height:1;margin:6px 0 10px;transition:color .2s}
input[type=range]{width:100%;-webkit-appearance:none;appearance:none;height:10px;border-radius:999px;outline:none;
  background:linear-gradient(90deg,var(--bad) 0%,var(--bad) 49%,var(--mid) 50%,var(--mid) 69%,var(--good) 70%,var(--good) 100%)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:#fff;border:4px solid var(--accent);box-shadow:0 4px 12px rgba(0,0,0,.35);cursor:grab}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--accent);cursor:grab}
.quick{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0;justify-content:center}
.quick .btn{padding:5px 11px;border-radius:999px;font-size:14px}
.result{padding:12px 14px;border-radius:14px;margin:8px 0 18px;font-weight:600;text-align:center}
.actions{display:flex;justify-content:space-between;gap:8px}
.kbd{font-size:11px;opacity:.7;margin-left:6px;border:1px solid currentColor;border-radius:5px;padding:0 4px}

.auth{min-height:100vh;display:grid;place-items:center;padding:20px}
.authcard{width:min(400px,100%);padding:30px;display:flex;flex-direction:column}
.authcard .label{margin-bottom:4px}
input[type=password]{width:100%;border:1px solid var(--stroke);border-radius:12px;padding:10px 12px;
  background:color-mix(in srgb,var(--bg2) 55%,transparent);outline:none}
input[type=password]:focus{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 22%,transparent)}
.autherr{color:var(--bad);min-height:22px;margin-top:10px;font-size:14px}
[hidden]{display:none!important}
.userbox{margin-top:auto;border-top:1px solid var(--stroke);padding-top:14px;display:flex;flex-direction:column;gap:10px}
.avatar.sm{width:36px;height:36px;border-radius:11px;font-size:13px;background:linear-gradient(135deg,var(--accent),#c026d3)}
select{font:inherit;color:inherit;border:1px solid var(--stroke);border-radius:10px;padding:7px 10px;background:var(--glass-2)}
select option{color:#000}
.userform{display:grid;grid-template-columns:1fr 1fr 150px auto;gap:8px;align-items:center}
@media (max-width:780px){.userform{grid-template-columns:1fr}}
.subjects{flex-basis:100%;display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding-top:10px;margin-top:2px;border-top:1px solid var(--stroke)}
.chip{cursor:pointer;border:1px solid var(--stroke);background:var(--glass-2);border-radius:999px;padding:5px 12px;font-weight:500;display:inline-flex;gap:6px;align-items:center;transition:all .15s}
.chip small{font-size:11px;opacity:.65;background:color-mix(in srgb,var(--ink) 10%,transparent);border-radius:999px;padding:0 6px}
.chip:hover{border-color:color-mix(in srgb,var(--accent) 60%,transparent)}
.chip.on{background:linear-gradient(135deg,var(--accent),#c026d3);color:#fff;border-color:transparent}
.chip.on small{background:rgba(255,255,255,.22);opacity:1}
.chip.add{border-style:dashed;background:transparent;color:var(--muted)}
#soundDlg select{flex:1}
#soundDlg .row{gap:8px;margin-top:6px}
.filerow{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:8px 0 4px}
.filerow .muted{flex:1;font-size:13px}
.small{font-size:12px}
input[type=range].plain{background:color-mix(in srgb,var(--ink) 18%,transparent)}
input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent)}
#confetti{position:fixed;inset:0;pointer-events:none;z-index:9999}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(30px);opacity:0;padding:10px 18px;border-radius:14px;
  background:var(--bg2);border:1px solid var(--stroke);box-shadow:var(--shadow);transition:all .35s;z-index:50}
.toast.show{opacity:1;transform:translateX(-50%)}

@media (max-width:1000px){.wheelwrap{grid-template-columns:1fr}}
@media (max-width:780px){.app{grid-template-columns:1fr;padding:12px}aside{position:static}.seg{margin-left:0}}