/* Design „Heft & Tinte“ – iPadOS-Aufbau, Farben aus dem Schulalltag:
   Königsblau (Füllertinte) als Akzent, Rotstift für Korrekturen, Karopapier als Hintergrund.
   Schrift: Lexend (OFL), entwickelt für flüssigeres Lesen – lokal eingebunden, kein externer Server. */
@font-face{font-family:"Lexend";src:url("fonts/lexend.woff") format("woff");font-weight:100 900;font-style:normal;font-display:swap}
:root{
  --blue:#2747c9;--green:#1f9d55;--red:#d7263d;--orange:#e8890c;--yellow:#ffd43b;--purple:#8e4fd6;--teal:#1597a8;--pink:#e0457b;--indigo:#4a4fd1;
  --ink:#17224a;--ink2:#2a3a78;--rotstift:#d7263d;--marker:#ffe066;
  --bg:#f3f5fa;--card:#fff;--card2:#f6f8fc;--text:#17224a;--text2:rgba(23,34,74,.62);--text3:rgba(23,34,74,.32);
  --sep:rgba(23,34,74,.12);--fill:rgba(23,34,74,.06);--fill2:rgba(23,34,74,.11);
  --grid:rgba(39,71,201,.085);--line:#d6def0;--margin:#f0a3ad;
  --sidebar:rgba(255,255,255,.72);--shadow:0 1px 2px rgba(23,34,74,.06),0 8px 26px rgba(23,34,74,.07);
  --radius:16px;
  --font:"Lexend",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{--blue:#8ea2ff;--green:#4cd486;--red:#ff6b7a;--orange:#ffb24d;--bg:#0d1430;--card:#16204a;--card2:#1b2654;--text:#eef1ff;--ink:#eef1ff;--ink2:#c9d2ff;
    --text2:rgba(238,241,255,.64);--text3:rgba(238,241,255,.32);--sep:rgba(238,241,255,.12);--fill:rgba(238,241,255,.08);--fill2:rgba(238,241,255,.14);
    --grid:rgba(142,162,255,.07);--line:rgba(238,241,255,.14);--margin:rgba(255,107,122,.45);
    --sidebar:rgba(22,32,74,.78);--shadow:0 1px 2px rgba(0,0,0,.35),0 8px 26px rgba(0,0,0,.25)}
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.5 var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;letter-spacing:0}
a{color:var(--blue);text-decoration:none}
h1,h2,h3{margin:0;letter-spacing:-.02em}
.ic{flex:none;vertical-align:-4px}
.muted{color:var(--text2)}
small,.small-text{font-size:13px;color:var(--text2)}
[hidden]{display:none!important}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 18px;border:0;border-radius:12px;
  font:inherit;font-weight:600;cursor:pointer;background:var(--fill);color:var(--blue);transition:opacity .15s,transform .1s;text-decoration:none;white-space:nowrap}
.btn:active{opacity:.6;transform:scale(.98)}
.btn.primary{background:var(--blue);color:#fff}
.btn.tint{background:color-mix(in srgb,var(--blue) 14%,transparent);color:var(--blue)}
.btn.danger{color:var(--red)}
.btn.danger.tint{background:color-mix(in srgb,var(--red) 14%,transparent)}
.btn.plain{background:transparent;padding:0 10px}
.btn.strong{font-weight:700}
.btn.small{min-height:34px;padding:0 12px;font-size:15px;border-radius:10px}
.btn.icon{padding:0;width:44px}.btn.small.icon{width:34px}
.btn[disabled]{opacity:.35;pointer-events:none}
.btn.block{width:100%}
.btn.green{background:var(--green);color:#fff}

/* Eingaben */
.input,select,textarea{width:100%;min-height:44px;padding:10px 14px;border:0;border-radius:12px;background:var(--fill);color:var(--text);font:inherit;outline:none;
  transition:box-shadow .15s}
.input:focus,select:focus,textarea:focus{box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 40%,transparent)}
select{appearance:none;-webkit-appearance:none;padding-right:36px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%238e8e93' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
textarea{resize:vertical;line-height:1.45}
label.lbl{display:block;font-size:13px;color:var(--text2);margin:0 0 6px 4px;font-weight:500}
.field{margin-bottom:16px}
.help{font-size:13px;color:var(--text2);margin:6px 4px 0}
input[type=checkbox].switch{appearance:none;-webkit-appearance:none;width:51px;height:31px;border-radius:16px;background:var(--fill2);position:relative;cursor:pointer;flex:none;transition:background .2s;margin:0}
input[type=checkbox].switch::after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.25);transition:transform .2s}
input[type=checkbox].switch:checked{background:var(--green)}
input[type=checkbox].switch:checked::after{transform:translateX(20px)}
input[type=checkbox].chk,input[type=radio].chk{width:22px;height:22px;accent-color:var(--blue);margin:0;flex:none}

/* Gruppen (inset grouped) */
.group{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-bottom:24px}
.group-title{font-size:13px;text-transform:uppercase;letter-spacing:.02em;color:var(--text2);margin:0 16px 8px;font-weight:500}
.group-foot{font-size:13px;color:var(--text2);margin:-14px 16px 24px}
.row{display:flex;align-items:center;gap:14px;padding:12px 16px;min-height:52px;border-bottom:.5px solid var(--sep);position:relative}
.row:last-child{border-bottom:0}
.row .grow{flex:1;min-width:0}
.row .t{font-weight:500;overflow:hidden;text-overflow:ellipsis}
.row .s{font-size:13px;color:var(--text2)}
.row .end{display:flex;gap:8px;align-items:center;flex:none}
a.row{color:inherit}
a.row:active{background:var(--fill)}
.row.form{display:grid;grid-template-columns:minmax(120px,32%) 1fr;gap:12px;align-items:center}
.row.form>label{font-weight:500}
.row.form .input,.row.form select{background:transparent;padding:6px 0;min-height:36px;border-radius:0}
.row.form .input:focus,.row.form select:focus{box-shadow:none}
.row.toggle{justify-content:space-between}
.pad{padding:16px}
.empty{padding:40px 20px;text-align:center;color:var(--text2)}
.empty .ic{width:44px;height:44px;opacity:.4;margin-bottom:8px}

/* Tabelle */
.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:16px}
.tbl th{text-align:left;font-size:13px;font-weight:500;color:var(--text2);padding:12px 16px;border-bottom:.5px solid var(--sep);white-space:nowrap;background:var(--card2)}
.tbl td{padding:12px 16px;border-bottom:.5px solid var(--sep);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tr.click{cursor:pointer}.tbl tr.click:hover td{background:var(--fill)}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums}
.tbl td.end{text-align:right;white-space:nowrap}

/* Badges */
.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:13px;font-weight:600;background:var(--fill);color:var(--text2);white-space:nowrap}
.badge.green{background:color-mix(in srgb,var(--green) 18%,transparent);color:#1f8a3b}
.badge.blue{background:color-mix(in srgb,var(--blue) 15%,transparent);color:var(--blue)}
.badge.orange{background:color-mix(in srgb,var(--orange) 20%,transparent);color:#b36200}
.badge.red{background:color-mix(in srgb,var(--red) 15%,transparent);color:var(--red)}
.badge.purple{background:color-mix(in srgb,var(--purple) 16%,transparent);color:#8e3bb8}
.badge.teal{background:color-mix(in srgb,var(--teal) 18%,transparent);color:#1b7f91}
@media (prefers-color-scheme:dark){.badge.purple{color:#d08cf0}.badge.teal{color:#6fd3e3}}
.chips.sub{margin-top:-6px}
.chips.sub .chip{font-size:14px;padding:4px 12px}
.quicksel{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.pts-edit{display:flex;align-items:center;gap:6px;flex:none;color:var(--text2);font-size:14px;font-weight:600}
.pts-edit .input{width:72px;min-height:36px;padding:6px 10px;text-align:right;font-weight:600}
.points-bar{display:flex;align-items:center;gap:20px;flex-wrap:wrap;position:sticky;bottom:12px;z-index:5}
.points-bar .grow{flex:1;min-width:220px}
.scale-edit td{padding:8px 10px}
.scale-edit td:first-child{white-space:nowrap}
.scale-edit td:first-child .muted{display:block;font-size:13px}
.scale-edit .range{white-space:nowrap;font-size:13px;line-height:1.35}
.scale-edit .range b{color:var(--text);font-size:15px;font-weight:600}
.scale-edit .input{width:84px!important}
.scale-tbl td,.scale-tbl th{padding:8px 14px}
.track-avg{display:flex;gap:10px;flex-wrap:wrap;margin:-14px 0 28px}
.track-avg .stat{padding:12px 16px;flex:1;min-width:160px}
.track-avg .n{font-size:24px}
@media (prefers-color-scheme:dark){.badge.green{color:#5fe07f}.badge.orange{color:#ffb340}}

/* Segmented control */
.segmented{display:inline-flex;background:var(--fill);border-radius:10px;padding:2px;gap:2px;max-width:100%;overflow-x:auto}
.segmented a,.segmented button{border:0;background:transparent;color:var(--text);padding:6px 16px;border-radius:8px;font:inherit;font-size:15px;font-weight:500;cursor:pointer;white-space:nowrap;text-decoration:none}
.segmented .on{background:var(--card);box-shadow:0 1px 4px rgba(0,0,0,.18);font-weight:600}
.segmented.tabs{margin-bottom:22px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.chip{padding:6px 14px;border-radius:20px;background:var(--fill);color:var(--text);font-size:15px;font-weight:500}
.chip.on{background:var(--blue);color:#fff}

/* Flash */
.flash{padding:12px 16px;border-radius:12px;margin-bottom:16px;font-weight:500;background:color-mix(in srgb,var(--blue) 14%,var(--card));color:var(--blue)}
.flash.ok{background:color-mix(in srgb,var(--green) 16%,var(--card));color:#1f8a3b}
.flash.error{background:color-mix(in srgb,var(--red) 14%,var(--card));color:var(--red)}
@media (prefers-color-scheme:dark){.flash.ok{color:#5fe07f}}

/* Admin-Layout */
.admin-shell{display:grid;grid-template-columns:290px minmax(0,1fr);min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:20px 14px;background:var(--sidebar);
  backdrop-filter:saturate(180%) blur(30px);-webkit-backdrop-filter:saturate(180%) blur(30px);border-right:.5px solid var(--sep)}
.sidebar-head{display:flex;align-items:center;gap:12px;padding:6px 10px 22px}
.sidebar-head small{display:block;line-height:1.1}
.app-badge{width:40px;height:40px;border-radius:10px;background:linear-gradient(160deg,#5ac8fa,#007aff);color:#fff;display:grid;place-items:center}
.sidebar nav{display:flex;flex-direction:column;gap:2px;flex:1}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:10px;color:var(--text);font-weight:500;font-size:17px}
.nav-item .ic{color:var(--blue)}
.nav-item.active{background:var(--blue);color:#fff}.nav-item.active .ic{color:#fff}
.nav-item:not(.active):active{background:var(--fill)}
.sidebar-foot{border-top:.5px solid var(--sep);padding:14px 6px 0;display:flex;flex-direction:column;gap:10px}
.who{display:flex;gap:8px;align-items:center;color:var(--text2);font-size:15px}
.content{padding:28px 40px 60px;max-width:1180px;width:100%}
.back{display:inline-flex;align-items:center;gap:2px;margin:0 0 6px -6px;font-size:17px}
.titlebar{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.titlebar h1{font-size:34px;font-weight:700;letter-spacing:-.03em}
.titlebar .sub{margin:2px 0 0;color:var(--text2)}
.actions{display:flex;gap:10px;flex-wrap:wrap}
@media (max-width:900px){
  .admin-shell{grid-template-columns:1fr}
  .sidebar{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;padding:10px 14px;gap:8px;border-right:0;border-bottom:.5px solid var(--sep)}
  .sidebar-head{padding:0}.sidebar-head small{display:none}
  .sidebar nav{flex-direction:row;overflow-x:auto;flex:1 1 100%;order:3}
  .nav-item{padding:8px 12px;white-space:nowrap}
  .sidebar-foot{flex-direction:row;border:0;padding:0;margin-left:auto;align-items:center}
  .who span{display:none}
  .content{padding:18px 16px 50px}
  .titlebar h1{font-size:28px}
}

/* Statistik-Kacheln */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:28px}
.stat{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.stat .ic{padding:8px;width:38px;height:38px;border-radius:10px;color:#fff;margin-bottom:12px}
.stat .n{font-size:34px;font-weight:700;letter-spacing:-.03em;line-height:1}
.stat .l{color:var(--text2);font-size:15px;margin-top:4px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:900px){.grid2{grid-template-columns:1fr}}

/* Sheets & Alerts */
dialog{border:0;padding:0;color:var(--text);background:var(--card)}
dialog::backdrop{background:rgba(0,0,0,.35);backdrop-filter:blur(3px)}
dialog.sheet{width:min(560px,94vw);max-height:90vh;border-radius:22px;box-shadow:0 20px 60px rgba(0,0,0,.35);overflow:hidden;background:var(--bg)}
dialog.sheet[open]{display:flex}
dialog.sheet form{display:flex;flex-direction:column;width:100%;max-height:90vh}
.sheet-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:var(--card);border-bottom:.5px solid var(--sep)}
.sheet-bar h3{font-size:17px;font-weight:600}
.sheet-body{padding:20px;overflow:auto}
dialog[open]{animation:pop .22s cubic-bezier(.2,.9,.3,1.2)}
@keyframes pop{from{transform:scale(.94);opacity:0}}
dialog.alert{width:min(300px,86vw);border-radius:16px;text-align:center;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(30px);box-shadow:0 10px 40px rgba(0,0,0,.3)}
.alert-body{padding:20px 18px 16px}.alert-body h3{font-size:17px}.alert-body p{margin:6px 0 0;font-size:13px;color:var(--text2)}
.alert-actions{display:flex;border-top:.5px solid var(--sep)}
.alert-actions .btn{flex:1;border-radius:0;min-height:46px;font-size:17px}
.alert-actions .btn+.btn{border-left:.5px solid var(--sep)}

/* Login */
body.lock{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#5ac8fa 0%,#5856d6 45%,#ff2d55 100%)}
.lock-card{width:min(440px,100%);background:color-mix(in srgb,var(--card) 82%,transparent);backdrop-filter:saturate(180%) blur(40px);-webkit-backdrop-filter:saturate(180%) blur(40px);
  border-radius:28px;padding:34px 30px;box-shadow:0 30px 80px rgba(0,0,0,.3)}
.lock-card .logo{width:76px;height:76px;border-radius:19px;background:linear-gradient(160deg,#5ac8fa,#007aff);color:#fff;display:grid;place-items:center;margin:0 auto 14px;box-shadow:0 8px 20px rgba(0,122,255,.4)}
.lock-card .logo .ic{width:38px;height:38px}
.lock-card h1{text-align:center;font-size:28px;margin-bottom:4px}
.lock-card .sub{text-align:center;color:var(--text2);margin:0 0 24px}
.lock-card .btn.primary{width:100%;min-height:50px;font-size:17px;margin-top:6px}
.lock-card .alt{text-align:center;margin-top:18px;font-size:15px}

/* Schüler */
body.student{background:transparent}
.wallpaper{position:fixed;inset:0;z-index:-1;background:radial-gradient(1200px 700px at 10% -10%,#a5d8ff 0%,transparent 60%),radial-gradient(900px 700px at 100% 10%,#d0bfff 0%,transparent 60%),radial-gradient(900px 700px at 40% 110%,#ffc9de 0%,transparent 60%),#eef1f8}
@media (prefers-color-scheme:dark){.wallpaper{background:radial-gradient(1200px 700px at 10% -10%,#16345c 0%,transparent 60%),radial-gradient(900px 700px at 100% 10%,#2c2160 0%,transparent 60%),radial-gradient(900px 700px at 40% 110%,#4a1d38 0%,transparent 60%),#05060a}}
.stu-shell{max-width:1100px;margin:0 auto;padding:max(14px,env(safe-area-inset-top)) 22px 60px}
.pill-nav{display:flex;align-items:center;gap:12px;background:color-mix(in srgb,var(--card) 70%,transparent);backdrop-filter:saturate(180%) blur(30px);-webkit-backdrop-filter:saturate(180%) blur(30px);
  border-radius:40px;padding:6px 8px 6px 18px;box-shadow:var(--shadow);position:sticky;top:10px;z-index:20;margin-bottom:22px}
.pill-brand{display:flex;gap:8px;align-items:center;font-weight:700;color:var(--blue)}
.pill-nav nav{display:flex;gap:2px;margin:0 auto}
.pill-nav nav a{display:flex;align-items:center;gap:8px;padding:9px 18px;border-radius:30px;color:var(--text);font-weight:500;font-size:16px}
.pill-nav nav a.on{background:var(--fill2);font-weight:600}
.pill-user{display:flex;align-items:center;gap:8px;border:0;background:var(--fill);border-radius:30px;padding:4px 14px 4px 4px;cursor:pointer;color:var(--text);font:inherit;font-size:15px}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(160deg,#ff9f0a,#ff375f);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
@media (max-width:700px){.pill-brand span,.pill-nav nav a span,.pill-name{display:none}.pill-nav nav a{padding:9px 14px}.pill-user{padding:4px}}
.large{font-size:36px;font-weight:700;letter-spacing:-.03em;margin:8px 4px 20px}
.glass{background:color-mix(in srgb,var(--card) 78%,transparent);backdrop-filter:saturate(180%) blur(30px);-webkit-backdrop-filter:saturate(180%) blur(30px);border-radius:22px;box-shadow:var(--shadow)}
.stu-content .group{background:color-mix(in srgb,var(--card) 82%,transparent);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);border-radius:20px}

.appgrid{display:flex;flex-wrap:wrap;gap:22px 26px;margin:0 4px 30px}
.app{display:flex;flex-direction:column;align-items:center;gap:8px;width:92px;color:var(--text);text-align:center;font-size:14px;font-weight:500;position:relative}
.app .icon{width:80px;height:80px;border-radius:19px;display:grid;place-items:center;font-size:40px;box-shadow:0 6px 16px rgba(0,0,0,.18);transition:transform .15s}
.app:active .icon{transform:scale(.92)}
.app.sel .icon{outline:4px solid color-mix(in srgb,var(--blue) 55%,transparent);outline-offset:2px}
.app .dot{position:absolute;top:-6px;right:6px;min-width:24px;height:24px;border-radius:12px;background:var(--red);color:#fff;font-size:13px;font-weight:700;display:grid;place-items:center;padding:0 7px;box-shadow:0 2px 6px rgba(0,0,0,.3)}
.subj-icon{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;font-size:24px;flex:none}
.exam-card{display:flex;align-items:center;gap:16px;padding:16px 18px}
.btn.start{min-height:42px}
.grade{display:inline-grid;place-items:center;min-width:44px;height:44px;border-radius:12px;font-weight:800;font-size:22px;background:color-mix(in srgb,var(--blue) 14%,transparent);color:var(--blue)}
.grade.g1,.grade.g2{background:color-mix(in srgb,var(--green) 18%,transparent);color:#1f8a3b}
.grade.g5,.grade.g6{background:color-mix(in srgb,var(--red) 15%,transparent);color:var(--red)}

/* Prüfung */
body.exam{background:transparent}
.exam-top{position:sticky;top:10px;z-index:30;display:flex;align-items:center;gap:14px;padding:10px 12px 10px 20px;border-radius:40px;margin-bottom:18px;background:color-mix(in srgb,var(--card) 78%,transparent);backdrop-filter:saturate(180%) blur(30px);-webkit-backdrop-filter:saturate(180%) blur(30px);box-shadow:var(--shadow)}
.exam-top .title{font-weight:700;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.exam-top .save{font-size:13px;color:var(--text2);white-space:nowrap}
.exam-top .save.err{color:var(--red)}
.timer{font-variant-numeric:tabular-nums;font-weight:700;font-size:18px;padding:6px 14px;border-radius:20px;background:var(--fill);display:flex;gap:6px;align-items:center}
.timer.warn{background:color-mix(in srgb,var(--orange) 25%,transparent);color:#b36200}
.timer.crit{background:color-mix(in srgb,var(--red) 20%,transparent);color:var(--red)}
.exam-layout{display:grid;grid-template-columns:1fr 230px;gap:20px;align-items:start}
@media (max-width:900px){.exam-layout{grid-template-columns:1fr}.qnav-wrap{order:-1}}
.qcard{padding:28px 30px}
.qcard .qhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;color:var(--text2);font-size:15px;font-weight:500}
.qcard .qtext{font-size:21px;font-weight:600;line-height:1.35;margin-bottom:22px;letter-spacing:-.015em}
.choices{display:grid;gap:10px}
.choice{display:flex;align-items:center;gap:14px;padding:15px 18px;border-radius:14px;background:var(--fill);cursor:pointer;border:2px solid transparent;transition:background .15s,border-color .15s;position:relative}
.choice input{position:absolute;opacity:0;pointer-events:none}
.choice .mark{width:26px;height:26px;border-radius:50%;border:2px solid var(--text3);flex:none;display:grid;place-items:center;transition:all .15s}
.choice input[type=checkbox]~.mark{border-radius:8px}
.choice:has(input:checked){background:color-mix(in srgb,var(--blue) 12%,transparent);border-color:var(--blue)}
.choice input:checked~.mark{background:var(--blue);border-color:var(--blue)}
.choice input:checked~.mark::after{content:"";width:8px;height:8px;border-radius:50%;background:#fff}
.choice input[type=checkbox]:checked~.mark::after{width:6px;height:11px;border-radius:0;background:none;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) translate(-1px,-1px)}
.choice .txt{font-size:18px}
.choices.tf{grid-template-columns:1fr 1fr}
.hint{font-size:14px;color:var(--text2);margin:10px 2px 0}
.inline{display:flex;gap:10px;align-items:center}.unit{font-weight:600;color:var(--text2)}
.cloze{font-size:19px;line-height:2.6}
.gap{display:inline-block;width:9ch;min-height:40px;padding:4px 10px;margin:0 4px;border:0;border-bottom:2px solid var(--blue);border-radius:8px 8px 0 0;background:color-mix(in srgb,var(--blue) 8%,transparent);font:inherit;color:var(--text);text-align:center;outline:none}
.gap:focus{background:color-mix(in srgb,var(--blue) 18%,transparent)}
.matching{display:grid;gap:10px}
.match-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:center}
.match-row .left{padding:12px 16px;border-radius:12px;background:var(--fill);font-weight:500}
@media (max-width:600px){.match-row{grid-template-columns:1fr}}
.sortlist{list-style:none;margin:0;padding:0;display:grid;gap:8px;counter-reset:s}
.sortlist li{display:flex;align-items:center;gap:12px;padding:10px 12px 10px 14px;border-radius:14px;background:var(--fill);counter-increment:s;user-select:none;touch-action:none}
.sortlist li::before{content:counter(s);width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex:none}
.sortlist .txt{flex:1;font-size:18px}.sortlist .grip{color:var(--text3);cursor:grab;font-size:18px;order:5}
.sortlist .mv{display:flex;gap:4px;order:6}.sortlist .mv button{border:0;background:var(--card);border-radius:10px;width:40px;height:40px;color:var(--blue);cursor:pointer;display:grid;place-items:center}
.sortlist li.drag{opacity:.7;box-shadow:0 8px 24px rgba(0,0,0,.25);background:var(--card)}
.qfoot{display:flex;justify-content:space-between;gap:12px;margin-top:18px}
.qnav-wrap{padding:18px;position:sticky;top:84px}
.qnav-wrap h3{font-size:15px;color:var(--text2);font-weight:500;margin-bottom:12px}
.qnav{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:8px}
.qnav button{height:44px;border:0;border-radius:12px;background:var(--fill);font:inherit;font-weight:600;color:var(--text);cursor:pointer}
.qnav button.done{background:color-mix(in srgb,var(--green) 22%,transparent);color:#1f8a3b}
.qnav button.cur{outline:3px solid var(--blue);outline-offset:1px}
.legend{display:flex;gap:12px;font-size:12px;color:var(--text2);margin-top:12px}
.progressbar{height:6px;border-radius:3px;background:var(--fill);overflow:hidden;margin-top:14px}
.progressbar i{display:block;height:100%;background:var(--green);width:0;transition:width .3s}

/* Auswertung / Bewertung */
.qres{padding:20px 22px;border-bottom:.5px solid var(--sep)}
.qres:last-child{border-bottom:0}
.qres .qh{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}
.qres .qt{font-weight:600}
.qres .lab{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--text2);margin:12px 0 4px;font-weight:600}
.pts{font-weight:700;white-space:nowrap;font-variant-numeric:tabular-nums}
.pts.full{color:#1f8a3b}.pts.zero{color:var(--red)}.pts.part{color:#b36200}
.gapview{display:inline-block;padding:1px 10px;border-radius:8px;margin:0 2px;font-weight:600}
.gapview.ok{background:color-mix(in srgb,var(--green) 20%,transparent);color:#1f8a3b}
.gapview.bad{background:color-mix(in srgb,var(--red) 16%,transparent);color:var(--red)}
.plainlist{margin:0;padding-left:20px}.plainlist li{margin:2px 0}
.freetext{padding:12px 14px;border-radius:12px;background:var(--fill);white-space:normal}
.expl{padding:12px 14px;border-radius:12px;background:color-mix(in srgb,var(--blue) 10%,transparent);margin-top:10px;font-size:15px}
.bigscore{display:flex;align-items:center;gap:24px;padding:26px;flex-wrap:wrap}
.bigscore .num{font-size:52px;font-weight:800;letter-spacing:-.04em;line-height:1}
.distrib{display:flex;align-items:flex-end;gap:10px;height:120px;padding:10px 16px 0}
.distrib div{flex:1;text-align:center;font-size:13px;color:var(--text2);display:flex;flex-direction:column;justify-content:flex-end;height:100%}
.distrib i{display:block;background:var(--blue);border-radius:6px 6px 0 0;min-height:2px;margin-bottom:4px}

/* Fragen-Editor */
.qtype-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.qtype{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:14px;background:var(--card);box-shadow:var(--shadow);color:var(--text)}
.qtype .ic{color:var(--blue);margin-top:2px}.qtype b{display:block}.qtype span{font-size:13px;color:var(--text2);line-height:1.3;display:block}
.erow{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.erow .input{flex:1}
.erow .btn.icon{flex:none}
.erow.pair .input{min-width:0}
.erow .arrow{color:var(--text2)}
.credbox{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:16px}
@media print{
  .sidebar,.titlebar .actions,.no-print,.back,.segmented{display:none!important}
  .admin-shell{display:block}.content{padding:0;max-width:none}
  body{background:#fff;color:#000}.group{box-shadow:none;border:1px solid #ccc}
}

/* Niveau-Auswahl */
.level-pick{display:flex;gap:8px;flex-wrap:wrap;padding:4px 0}
.level-pick .lv{cursor:pointer;position:relative}
.level-pick input{position:absolute;opacity:0;pointer-events:none}
.level-pick span{display:inline-block;padding:7px 14px;border-radius:20px;background:var(--fill);font-size:15px;font-weight:600;color:var(--text2);border:2px solid transparent;transition:all .15s}
.level-pick .lv-R input:checked+span{background:color-mix(in srgb,var(--teal) 18%,transparent);color:#1b7f91;border-color:var(--teal)}
.level-pick .lv-H input:checked+span{background:color-mix(in srgb,var(--orange) 20%,transparent);color:#b36200;border-color:var(--orange)}
.level-pick .lv-F input:checked+span{background:color-mix(in srgb,var(--purple) 16%,transparent);color:#8e3bb8;border-color:var(--purple)}
.level-pick input:focus-visible+span{box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 40%,transparent)}
.level-overview{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px}
.level-overview .lvbox{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px;border-top:4px solid var(--fill2)}
.level-overview .lvbox.R{border-top-color:var(--teal)}.level-overview .lvbox.H{border-top-color:var(--orange)}.level-overview .lvbox.F{border-top-color:var(--purple)}
.level-overview .lvbox.missing{background:color-mix(in srgb,var(--red) 8%,var(--card))}
.level-overview .n{font-size:24px;font-weight:700;letter-spacing:-.02em}
.level-overview .l{font-size:13px;color:var(--text2)}
@media (max-width:700px){.level-overview{grid-template-columns:1fr}}
.scale-levels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:1000px){.scale-levels{grid-template-columns:1fr}}
.scale-levels .lvhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.scale-grid th.lvcol{white-space:normal;line-height:1.7}
.scale-grid td{padding:10px 14px;vertical-align:top}
.scale-grid td:first-child{width:120px}
.scale-grid .input{width:80px;min-height:38px;padding:6px 10px;text-align:right}
.scale-grid .range{font-size:12.5px;color:var(--text2);margin-top:4px;white-space:nowrap;font-variant-numeric:tabular-nums}
.level-overview{grid-template-columns:repeat(var(--lvn,3),minmax(0,1fr))}
@media (max-width:700px){.level-overview{grid-template-columns:1fr}}
.level-overview .lvbox>div:first-child{flex-wrap:wrap;gap:6px}
.content{min-width:0}

/* Bilder in Aufgaben */
.qimgs{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin:0 0 20px}
.qimgs.single{grid-template-columns:minmax(0,820px)}
.qimgs figure{margin:0}
.qimgs .qimg-zoom{display:block;width:fit-content;max-width:100%;padding:0;border:0;background:var(--fill);border-radius:14px;overflow:hidden;cursor:zoom-in}
.qimgs img{display:block;width:100%;height:auto;max-height:520px;object-fit:contain;background:#fff}
.qimgs figcaption{font-size:14px;color:var(--text2);margin:6px 4px 0}
.qimgs.small{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));margin:8px 0 4px}
.qimgs.small.single{grid-template-columns:minmax(0,320px)}
.qimgs.small img{max-height:220px}
dialog.lightbox{max-width:96vw;max-height:94vh;padding:0;background:transparent;box-shadow:none;overflow:visible}
dialog.lightbox::backdrop{background:rgba(0,0,0,.82)}
dialog.lightbox figure{margin:0;text-align:center}
dialog.lightbox img{max-width:none;height:auto;border-radius:12px;background:#fff;display:block;margin:0 auto}
dialog.lightbox figcaption{color:#fff;margin-top:10px;font-size:16px}
dialog.lightbox .lb-close{position:fixed;top:16px;right:16px;width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.2);color:#fff;font-size:20px;cursor:pointer;backdrop-filter:blur(10px)}
.img-editor .img-list{display:grid;gap:10px;margin-bottom:12px}
.img-editor .img-list:empty{display:none}
.img-item{display:flex;gap:14px;align-items:center;padding:10px;border-radius:14px;background:var(--fill)}
.img-item img{width:96px;height:72px;object-fit:cover;border-radius:10px;background:#fff;flex:none}
.img-item .img-meta{flex:1;min-width:0}
.img-item .img-meta .input{background:var(--card);min-height:38px;padding:6px 12px}
.img-item .img-meta .s{margin-top:4px;font-size:13px}
.img-item .img-actions{display:flex;gap:6px;flex:none}
.img-item.del{opacity:.45}
.img-item.del .img-del{background:var(--red);color:#fff}
.dropzone{display:flex;align-items:center;gap:16px;padding:20px;border:2px dashed var(--fill2);border-radius:16px;cursor:pointer;color:var(--blue);transition:background .15s,border-color .15s}
.dropzone:hover,.dropzone:focus-visible,.dropzone.over{background:color-mix(in srgb,var(--blue) 8%,transparent);border-color:var(--blue);outline:none}
.dropzone.busy{opacity:.6;cursor:progress}
.dropzone .muted{font-size:14px}
.img-pending{display:grid;gap:8px;margin-top:10px}
.img-pending:empty{display:none}
.img-chip{display:flex;align-items:center;gap:12px;padding:8px 10px;border-radius:12px;background:color-mix(in srgb,var(--green) 12%,transparent);font-size:14px}
.img-chip img{width:56px;height:42px;object-fit:cover;border-radius:8px;background:#fff}
.img-chip span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.codebox{background:var(--fill);border-radius:12px;padding:14px 16px;font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;overflow-x:auto;margin:14px 0 0;white-space:pre}

/* Aufsicht: Erkennungsfarbe, Warn- und Sperrbildschirm */
body.colored .wallpaper{background:radial-gradient(900px 600px at 20% 0%,color-mix(in srgb,var(--exam) 55%,#fff) 0%,transparent 65%),color-mix(in srgb,var(--exam) 78%,#000)}
body.colored .exam-top{background:var(--exam);color:#fff;box-shadow:0 6px 20px color-mix(in srgb,var(--exam) 45%,transparent)}
body.colored .exam-top .save{color:rgba(255,255,255,.85)}
body.colored .exam-top .timer{background:rgba(255,255,255,.95);color:#000}
body.colored .exam-top .btn.primary{background:#fff;color:var(--exam)}
body.colored .qnav-wrap h3,body.colored .legend{color:var(--text2)}
.exam-frame{position:fixed;inset:0;border:12px solid var(--exam);pointer-events:none;z-index:40}
.proctor-overlay{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px;background:rgba(229,50,45,.94);backdrop-filter:blur(8px)}
.proctor-overlay.lock{background:rgba(30,30,35,.96)}
.proctor-overlay[hidden]{display:none}
.proctor-box{max-width:560px;background:var(--card);color:var(--text);border-radius:24px;padding:32px;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.4)}
.proctor-box h2{font-size:24px;margin:8px 0 10px}
.proctor-box p{font-size:17px;margin:0 0 18px}
.proctor-icon{font-size:56px}
.proctor-toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);background:rgba(0,0,0,.85);color:#fff;padding:12px 20px;border-radius:14px;z-index:90;font-weight:600}
.proctor-toast[hidden]{display:none}
.color-pick{display:flex;gap:10px;flex-wrap:wrap;padding:4px 0}
.color-pick input{position:absolute;opacity:0;pointer-events:none}
.color-pick span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;cursor:pointer;color:var(--text2);font-weight:700}
.color-pick span.none{background:var(--fill)}
.color-pick input:checked+span{box-shadow:0 0 0 3px var(--card),0 0 0 6px var(--blue)}
.color-pick input:focus-visible+span{outline:2px solid var(--blue);outline-offset:4px}
.live-tbl tr.alarm td{background:color-mix(in srgb,var(--red) 10%,transparent);animation:alarm 1.6s ease-in-out infinite}
@keyframes alarm{50%{background:color-mix(in srgb,var(--red) 22%,transparent)}}
.alarm-stat .n{color:var(--red)}
.live-dot{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 color-mix(in srgb,var(--green) 60%,transparent);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px transparent}}
.badge.gray{background:var(--fill);color:var(--text2)}
.proctor-log td{padding:8px 16px}
body.colored .glass{background:var(--card);backdrop-filter:none;-webkit-backdrop-filter:none}
.live-tbl td,.live-tbl th{padding:10px 12px}
.live-tbl td.end{white-space:nowrap}
.live-tbl td.end .btn{margin:2px 0}

/* Lehrkräfte-Link unten im Schülerbereich */
.stu-foot{text-align:center;padding:28px 16px 36px;font-size:13px}
.stu-foot a{color:var(--text2,#8e8e93);text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.stu-foot a:hover{color:var(--blue,#007aff)}
.stu-foot svg{width:14px;height:14px}

/* Ergebnisse: Zwischenüberschrift je Klasse */
.tbl tr.class-head td{background:var(--card2);padding:9px 16px;font-size:15px}
.tbl tr.class-head td .muted{font-size:13px;margin-left:10px}
@media print{.tbl tr.class-head td{background:#eee!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}}
.tbl td.num{white-space:nowrap}

/* Passwort ändern (Schüler): gut sichtbare Eingabefelder */
.pwform .input{background:var(--card);border:2px solid #c7c7cc;min-height:52px;font-size:18px;padding:12px 52px 12px 16px;border-radius:12px;transition:border-color .15s,box-shadow .15s}
.pwform .input::placeholder{color:var(--text3);font-size:16px}
.pwform .input:hover{border-color:#aeaeb2}
.pwform .input:focus{border-color:var(--blue);box-shadow:0 0 0 4px color-mix(in srgb,var(--blue) 22%,transparent)}
.pwform .input.bad{border-color:var(--red)}
.pwform label.lbl{font-size:15px;color:var(--text);font-weight:600;margin-left:2px}
.pwform label.lbl .muted{font-weight:400;font-size:14px}
.pw-wrap{position:relative}
.pw-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:10px;background:transparent;color:var(--text2);cursor:pointer;display:grid;place-items:center}
.pw-eye:hover{background:var(--fill)}
.pw-eye.on{color:var(--blue)}
.pw-hints{list-style:none;margin:4px 0 0;padding:0;display:grid;gap:6px;font-size:14px;color:var(--text2)}
.pw-hints li{display:flex;align-items:center;gap:8px}
.pw-hints li svg{width:16px;height:16px;padding:2px;border-radius:50%;background:var(--fill);color:transparent;flex:none;transition:all .15s}
.pw-hints li.ok{color:var(--green)}
.pw-hints li.ok svg{background:var(--green);color:#fff}
.btn.big-save{min-height:50px;padding:0 28px;font-size:17px}
@media (prefers-color-scheme:dark){.pwform .input{border-color:#48484a;background:#2c2c2e}.pwform .input:hover{border-color:#636366}}

/* Lückentext mit Auswahlwörtern */
.wordbank{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:12px 14px;margin:0 0 14px;border-radius:14px;background:color-mix(in srgb,var(--blue) 7%,transparent);border:1.5px dashed color-mix(in srgb,var(--blue) 35%,transparent)}
.wb-label{font-size:14px;font-weight:600;color:var(--text2);margin-right:4px}
.wb-word{display:inline-block;padding:5px 12px;border-radius:20px;background:var(--card);box-shadow:0 1px 3px rgba(0,0,0,.12);font-weight:600;font-size:16px;transition:opacity .15s}
.wb-word.used{opacity:.35;text-decoration:line-through;box-shadow:none}
select.gap-select{width:auto;min-width:9ch;min-height:40px;padding:4px 30px 4px 10px;margin:0 4px;font:inherit;font-weight:600;color:var(--text);text-align:left;cursor:pointer;
  appearance:none;-webkit-appearance:none;background:color-mix(in srgb,var(--blue) 8%,transparent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23007aff' stroke-width='2'/%3E%3C/svg%3E") no-repeat right 10px center}
select.gap-select:focus{background-color:color-mix(in srgb,var(--blue) 18%,transparent)}

/* =====================================================================
   Design „Heft & Tinte“ – Ergänzungen und Überschreibungen
   ===================================================================== */
h1,h2,h3{letter-spacing:-.015em}
:focus-visible{outline:3px solid color-mix(in srgb,var(--blue) 50%,transparent);outline-offset:2px}
.group-title{text-transform:none;letter-spacing:0;font-size:15px;font-weight:600;color:var(--text2);margin:0 6px 10px}
.btn{font-size:16px}
.btn.primary{box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 4px 14px -4px color-mix(in srgb,var(--blue) 70%,transparent)}
.titlebar h1{font-size:30px;letter-spacing:-.02em}
.large{font-size:34px;letter-spacing:-.025em}
.flash{border-radius:12px}

/* Karopapier (Schülerbereich und Anmeldung) */
.wallpaper,body.lock{background-color:var(--bg);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px;background-position:-1px -1px}
.glass,.stu-content .group{background:color-mix(in srgb,var(--card) 94%,transparent)}
.pill-nav{background:color-mix(in srgb,var(--card) 90%,transparent);border:1px solid var(--sep)}
.pill-brand{color:var(--ink)}
.pill-brand .ic{color:var(--blue)}
.pill-nav nav a.on{background:color-mix(in srgb,var(--blue) 12%,transparent);color:var(--blue)}
.avatar{background:linear-gradient(150deg,#4a6bf0,var(--blue))}
.hello-date{margin:-12px 6px 26px;color:var(--text2);font-size:16px}
.app .icon{width:68px;height:68px;border-radius:17px;font-size:34px;box-shadow:0 6px 14px -6px rgba(23,34,74,.45)}
.app .dot{background:var(--rotstift)}
.app.sel .icon{outline-color:color-mix(in srgb,var(--blue) 60%,transparent)}

/* Klassenarbeiten als Schulhefte: farbiger Umschlag (Fachfarbe), weißes Etikett */
.hefte{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:24px;margin:0 0 34px}
.heft-card{--c:var(--blue);position:relative;display:flex;flex-direction:column;gap:14px;min-height:300px;padding:20px 18px 18px 36px;border-radius:6px 16px 16px 6px;color:#fff;
  background:linear-gradient(140deg,rgba(255,255,255,.2),rgba(255,255,255,0) 45%,rgba(0,0,0,.1)),var(--c);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 14px 28px -14px color-mix(in srgb,var(--c) 75%,#000),0 2px 4px rgba(23,34,74,.12);transition:transform .12s}
.heft-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:18px;border-radius:6px 0 0 6px;background:rgba(0,0,0,.16)}
.heft-card::after{content:"";position:absolute;left:8px;top:14px;bottom:14px;border-left:2px dashed rgba(255,255,255,.55)}
.heft-card:active{transform:scale(.985)}
.heft-emoji{font-size:34px;line-height:1;filter:drop-shadow(0 2px 3px rgba(0,0,0,.2))}
.etikett{display:flex;flex-direction:column;background:#fff;color:#17224a;border-radius:9px;padding:14px 16px 13px;box-shadow:0 1px 3px rgba(0,0,0,.18);outline:1.5px solid color-mix(in srgb,var(--c,#2747c9) 40%,#fff);outline-offset:-6px}
.heft-card .et-fach{font-size:13px;font-weight:600;color:color-mix(in srgb,var(--c) 72%,#000)}
.heft-card .et-titel{font-size:18px;font-weight:700;line-height:1.25;margin:3px 0 8px;padding-bottom:8px;border-bottom:1px solid #d6def0;letter-spacing:-.01em}
.heft-card .et-meta{font-size:13px;color:rgba(23,34,74,.65);line-height:1.45}
.heft-cta{margin-top:auto;align-self:flex-start;padding:9px 18px;border-radius:999px;background:rgba(255,255,255,.95);color:color-mix(in srgb,var(--c) 70%,#000);font-weight:700;font-size:15px}
.heft-card.running .heft-cta{background:var(--marker);color:#17224a}
@media (max-width:560px){.hefte{grid-template-columns:1fr 1fr;gap:16px}.heft-card{min-height:250px;padding:16px 12px 14px 28px}.heft-card::before{width:14px}.heft-card::after{left:6px}.heft-card .et-titel{font-size:15px}.etikett{padding:11px 12px}}
@media (max-width:380px){.hefte{grid-template-columns:1fr}}

/* Anmeldung: Heftumschlag mit Namensetikett */
body.lock{display:grid;place-items:center}
.lock-card{position:relative;width:min(430px,100%);padding:34px 28px 24px 48px;border-radius:8px 24px 24px 8px;color:#fff;
  background:linear-gradient(140deg,rgba(255,255,255,.18),rgba(255,255,255,0) 40%,rgba(0,0,0,.12)),#2747c9;
  backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 34px 60px -24px rgba(23,34,74,.6),0 2px 6px rgba(23,34,74,.18)}
.lock-card.teacher{background:linear-gradient(140deg,rgba(255,255,255,.14),rgba(255,255,255,0) 40%,rgba(0,0,0,.18)),#22306a}
.lock-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:22px;border-radius:8px 0 0 8px;background:rgba(0,0,0,.18)}
.lock-card::after{content:"";position:absolute;left:10px;top:18px;bottom:18px;border-left:2px dashed rgba(255,255,255,.5)}
.lock-card .etikett{padding:26px 24px 22px;outline-color:rgba(39,71,201,.35);outline-offset:-7px;border-radius:12px}
.lock-card h1{font-size:26px;color:#17224a}
.lock-card .sub{color:rgba(23,34,74,.62);font-size:15px;margin-bottom:20px}
.lock-card label.lbl{color:rgba(23,34,74,.62);margin-left:0}
.lock-card .input{background:transparent;color:#17224a;border-radius:0;border-bottom:2px solid #d6def0;padding:8px 2px;font-size:18px;min-height:42px}
.lock-card .input::placeholder{color:rgba(23,34,74,.32)}
.lock-card .input:focus{box-shadow:none;border-bottom-color:#2747c9}
.lock-card .btn.primary{background:#2747c9;color:#fff;margin-top:10px}
.lock-card.teacher .btn.primary{background:#22306a}
.lock-card .alt{margin-top:16px}
.lock-card .alt a{color:rgba(255,255,255,.92);font-weight:500}

/* Aufgabe als Heftseite: roter Rand, Aufgabennummer im Rand */
.qcard{position:relative;background:var(--card);padding:28px 30px 30px 78px}
.qcard::before{content:"";position:absolute;left:56px;top:0;bottom:0;width:2px;background:var(--margin)}
.qmargin-num{position:absolute;left:0;width:56px;top:24px;text-align:center;font-size:26px;font-weight:700;color:var(--blue)}
.qcard .qtext{font-size:21px;letter-spacing:-.01em}
@media (max-width:700px){.qcard{padding:22px 18px 24px 56px}.qcard::before{left:40px}.qmargin-num{width:40px;font-size:21px}.qcard .qtext{font-size:19px}}
textarea.heftlinien{--lh:2em;line-height:var(--lh);padding:0 14px;min-height:calc(var(--lh) * 9);background-color:var(--card);border:1.5px solid var(--line);
  background-image:repeating-linear-gradient(to bottom,transparent 0,transparent calc(var(--lh) - 1px),var(--line) calc(var(--lh) - 1px),var(--line) var(--lh));background-attachment:local}
.exam-top{background:color-mix(in srgb,var(--card) 92%,transparent);border:1px solid var(--sep)}
.exam-top .title{color:var(--ink)}

/* Ergebnis: Note wie mit dem Rotstift eingekreist */
.bigscore .num{color:var(--ink)}
.note-stamp{display:inline-grid;place-items:center;width:78px;height:74px;margin-right:6px;border:3.5px solid var(--rotstift);border-radius:52% 46% 50% 48%/48% 54% 44% 52%;color:var(--rotstift);font-size:40px;font-weight:700;transform:rotate(-8deg);animation:stamp .5s cubic-bezier(.2,.9,.3,1.3) .15s both}
@keyframes stamp{from{transform:rotate(-8deg) scale(1.6);opacity:0}}
@media (prefers-reduced-motion:reduce){.note-stamp{animation:none}dialog[open]{animation:none}}

/* Lehrkräfte-Bereich */
.sidebar{background:var(--sidebar)}
.app-badge{background:linear-gradient(150deg,#4a6bf0,#2747c9)}
.sidebar-head b,.sidebar-head strong{color:var(--ink)}
.nav-item.active{background:var(--blue)}
.stat{border:1px solid var(--sep);box-shadow:none}
.stat .n{color:var(--ink)}
/* Fachfilter als ruhige Leiste statt großer App-Symbole – die Hefte sind der Blickfang */
.appgrid{gap:10px;margin:0 2px 26px}
.app{flex-direction:row;width:auto;gap:8px;padding:6px 12px 6px 6px;border-radius:999px;background:var(--card);border:1px solid var(--sep);font-size:15px;font-weight:600}
.app .icon{width:30px;height:30px;border-radius:50%;font-size:17px;box-shadow:none}
.app .dot{position:static;min-width:22px;height:22px;font-size:12px;box-shadow:none;background:var(--fill2);color:var(--text)}
.app.sel{background:var(--ink);border-color:var(--ink);color:#fff}
.app.sel .icon{outline:0}
.app.sel .dot{background:rgba(255,255,255,.22);color:#fff}
@media (prefers-color-scheme:dark){.app.sel{background:var(--blue);border-color:var(--blue);color:#0d1430}.app.sel .dot{color:#0d1430;background:rgba(13,20,48,.15)}}
.lock-card .input:focus-visible{outline:0}
.qres .lab{text-transform:none;letter-spacing:0;font-size:13px}
.bigscore .num .muted{letter-spacing:0}
.heft-card{min-width:0}
.heft-card .et-titel{hyphens:auto;-webkit-hyphens:auto;overflow-wrap:anywhere}
@media (max-width:560px){.heft-card .et-titel{font-size:14.5px}.heft-card .et-meta{font-size:12px}.heft-emoji{font-size:28px}.heft-cta{padding:8px 14px;font-size:14px}}

/* ---------- Hilfen ---------- */
/* Worterklärung: Begriff mit Textmarker-Unterstreichung, antippbar */
.term{font:inherit;color:inherit;background:linear-gradient(transparent 62%,color-mix(in srgb,var(--marker) 80%,transparent) 62%);border:0;padding:0 1px;margin:0;cursor:help;
  text-decoration:underline dotted color-mix(in srgb,var(--ink2) 55%,transparent);text-underline-offset:4px;text-decoration-thickness:2px;border-radius:2px}
.term[aria-expanded="true"]{background:var(--marker);color:#17224a}
@media (prefers-color-scheme:dark){.term{background:linear-gradient(transparent 62%,rgba(255,224,102,.35) 62%)}}
.term-tip{position:absolute;z-index:200;max-width:min(340px,calc(100vw - 16px));padding:12px 14px;border-radius:14px;background:var(--ink);color:#fff;font-size:15px;line-height:1.45;
  box-shadow:0 12px 30px rgba(23,34,74,.35);animation:tipin .14s ease-out}
.term-tip strong{display:block;font-size:13px;color:var(--marker);margin-bottom:2px}
.term-tip::after{content:"";position:absolute;left:calc(var(--ax,50%) - 7px);bottom:-7px;border:7px solid transparent;border-bottom:0;border-top-color:var(--ink)}
.term-tip.below::after{bottom:auto;top:-7px;border-top:0;border-bottom:7px solid var(--ink)}
@media (prefers-color-scheme:dark){.term-tip{background:#eef1ff;color:#17224a}.term-tip strong{color:#2747c9}.term-tip::after{border-top-color:#eef1ff}.term-tip.below::after{border-bottom-color:#eef1ff}}
@keyframes tipin{from{opacity:0;transform:translateY(4px)}}
@media (prefers-reduced-motion:reduce){.term-tip{animation:none}}
/* Werkzeugleiste je Aufgabe */
.qtools{display:flex;gap:8px;flex-wrap:wrap;margin:-8px 0 18px}
.qtools .btn .muted{font-weight:500;color:inherit;opacity:.7}
.tts-btn.on{background:var(--blue);color:#fff}
.hintbox{margin:0 0 18px;padding:12px 14px 12px 16px;border-radius:12px;background:color-mix(in srgb,var(--marker) 38%,var(--card));border-left:4px solid var(--marker);font-size:16px;line-height:1.5}
.hintbox strong{display:inline-flex;align-items:center;gap:4px;margin-right:4px}
@media (prefers-color-scheme:dark){.hintbox{background:rgba(255,224,102,.12);border-left-color:#e8c547}}
/* Satzanfänge */
.starters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px}
.st-label{font-size:14px;color:var(--text2);font-weight:600;width:100%}
.starter{font:inherit;font-size:15px;padding:7px 12px;border-radius:10px;border:1.5px dashed color-mix(in srgb,var(--blue) 45%,transparent);background:color-mix(in srgb,var(--blue) 6%,var(--card));color:var(--ink);cursor:pointer;text-align:left}
.starter:active{transform:scale(.98)}
/* Lehrkraft: Hilfe-Einstellungen */
.help-grid td,.help-grid th{text-align:center}
.help-grid td:first-child,.help-grid th:first-child{text-align:left}
.help-grid .s{font-size:13px;color:var(--text2)}
.hint-used{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:#8a6a00;background:color-mix(in srgb,var(--marker) 45%,transparent);padding:2px 9px;border-radius:20px}
@media (prefers-color-scheme:dark){.hint-used{color:#ffe066;background:rgba(255,224,102,.14)}}

/* Datum + Uhrzeit wählen */
.dt-field{display:flex;align-items:center;gap:8px;text-align:left;cursor:pointer;color:var(--text);font-weight:500}
.row.form .dt-field{padding:6px 0;min-height:36px}
.dt-field::before{content:"";flex:none;width:18px;height:18px;background:currentColor;opacity:.55;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='3' y='5' width='18' height='16' rx='2'/%3E%3Cpath d='M3 10h18M8 3v4M16 3v4'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='3' y='5' width='18' height='16' rx='2'/%3E%3Cpath d='M3 10h18M8 3v4M16 3v4'/%3E%3C/svg%3E") center/contain no-repeat}
.dt-field.empty{color:var(--text2);font-weight:400}
dialog.dtp{width:min(400px,94vw)}
.dtp-wrap{display:flex;flex-direction:column;width:100%}
.dtp-body{padding:14px 18px 18px;background:var(--card)}
.dtp-month{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.dtp-month strong{font-size:17px}
.dtp-month .btn{font-size:22px;line-height:1}
.dtp-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;text-align:center}
.dtp-wd{font-size:12px;font-weight:600;color:var(--text2);padding:4px 0}
.dtp-day{height:40px;border:0;border-radius:50%;background:transparent;font:inherit;font-size:16px;color:var(--text);cursor:pointer}
.dtp-day:hover{background:var(--fill)}
.dtp-day.today{color:var(--blue);font-weight:700}
.dtp-day.sel{background:var(--blue);color:#fff;font-weight:700}
.dtp-time{display:flex;align-items:center;gap:8px;margin-top:14px;padding-top:14px;border-top:1px solid var(--sep)}
.dtp-tlabel{font-weight:600;margin-right:auto}
.dtp-time select{width:auto;min-width:76px;font-size:20px;font-weight:600;text-align:center;padding:8px 30px 8px 14px}
.dtp-colon{font-size:20px;font-weight:700}
.dtp-uhr{color:var(--text2)}
.dtp-quick{display:flex;gap:8px;margin-top:14px}
.dtp-quick .btn:last-child{margin-left:auto;color:var(--red)}
.dtp-preview{margin:12px 0 0;font-size:14px;color:var(--text2);text-align:center}