:root{--bg: #eef1f5;--card: #ffffff;--ink: #16202b;--muted: #566475;--line: #d3dae3;--accent: #0b5cad;--accent-ink: #ffffff;--accent-soft: #e2eefb;--ok: #17703f;--ok-bg: #e0f2e7;--bad: #b3261e;--bad-bg: #fbe5e3;--warn: #7d5200;--warn-bg: #fbeecd;--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--radius: 14px;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #0f141a;--card: #19212a;--ink: #e8edf3;--muted: #98a5b5;--line: #2d3845;--accent: #74b3f7;--accent-ink: #06203b;--accent-soft: #17304b;--ok: #70d39c;--ok-bg: #153423;--bad: #ff948b;--bad-bg: #45201d;--warn: #f3c765;--warn-bg: #3d3011;color-scheme:dark}}:root[data-theme=dark]{--bg: #0f141a;--card: #19212a;--ink: #e8edf3;--muted: #98a5b5;--line: #2d3845;--accent: #74b3f7;--accent-ink: #06203b;--accent-soft: #17304b;--ok: #70d39c;--ok-bg: #153423;--bad: #ff948b;--bad-bg: #45201d;--warn: #f3c765;--warn-bg: #3d3011;color-scheme:dark}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 var(--font);-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}#root{min-height:100%}h1,h2{margin:0;text-wrap:balance;line-height:1.25}h1{font-size:1.5rem;font-weight:700}h2{font-size:1.1rem;font-weight:650}p{margin:0}button,input,select,textarea{font:inherit;color:inherit}img{max-width:100%}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.muted{color:var(--muted)}.small{font-size:.875rem}.loading{padding:48px 16px;text-align:center;color:var(--muted)}.only-narrow{display:inline-flex}.shell{min-height:100vh;min-height:100dvh}.content{padding:20px 16px calc(88px + env(safe-area-inset-bottom))}.page{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:16px}.page-head{display:flex;flex-direction:column;gap:2px}.nav{position:fixed;left:0;right:0;bottom:0;z-index:5;display:flex;background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.nav .brand{display:none}.nav button{flex:1;min-height:60px;border:0;background:none;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:.75rem;font-weight:600;color:var(--muted)}.nav button.on{color:var(--accent)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:10px}.stack{display:flex;flex-direction:column;gap:12px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.actions.left{justify-content:flex-start}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:46px;padding:0 16px;border-radius:12px;cursor:pointer;border:1px solid var(--line);background:var(--card);font-weight:600;text-decoration:none}.btn:hover{border-color:var(--muted)}.btn:disabled{color:var(--muted);cursor:default;border-color:var(--line)}.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.btn-primary:hover{border-color:var(--accent);filter:brightness(1.08)}.btn-ghost{border-color:transparent;background:none;color:var(--muted)}.btn-danger{color:var(--bad)}.btn-flag{background:var(--warn-bg);color:var(--warn);border-color:var(--warn)}.btn-small{min-height:38px;padding:0 12px;font-size:.875rem;border-radius:10px}.btn-big{min-height:54px;font-size:1.05rem}.block{width:100%}.file{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.file:focus-visible+.btn,label.btn:focus-within{outline:3px solid var(--accent)}.chips{display:flex;gap:6px;flex-wrap:wrap}.chip{font-size:.78rem;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--bg);color:var(--muted);border:1px solid var(--line);white-space:nowrap}.chip-bad{background:var(--bad-bg);color:var(--bad);border-color:transparent}.chip-ok{background:var(--ok-bg);color:var(--ok);border-color:transparent}.notice{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 14px;border-radius:12px;background:var(--warn-bg);color:var(--warn);font-size:.92rem}.notice .btn{color:var(--ink)}.notice-ok{background:var(--ok-bg);color:var(--ok)}.notice-bad{background:var(--bad-bg);color:var(--bad)}.notice .line{display:block}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}.tile{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column}.tile span{font-size:.8rem;color:var(--muted)}.tile b{font-size:1.6rem;font-variant-numeric:tabular-nums;line-height:1.2}.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--card)}.seg button{border:0;background:none;padding:8px 12px;min-height:40px;cursor:pointer;font-weight:600;font-size:.875rem;color:var(--muted)}.seg button.on{background:var(--accent-soft);color:var(--accent)}.start-grid{display:grid;gap:12px;grid-template-columns:1fr}.start{gap:10px;align-items:flex-start}.start .btn{align-self:stretch;margin-top:4px}.start-main{border-color:var(--accent);border-width:2px}.start-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--accent);color:var(--accent-ink)}.start-icon.alt{background:var(--warn-bg);color:var(--warn)}.resume{flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--accent-soft);border-color:transparent}.hist{list-style:none;margin:0;padding:0}.hist li+li{border-top:1px solid var(--line)}.hist button{width:100%;display:flex;align-items:center;gap:10px;min-height:52px;padding:6px 0;border:0;background:none;cursor:pointer;text-align:left}.hist-main{flex:1;font-weight:600}.hist-fp{font-variant-numeric:tabular-nums;font-weight:700;min-width:52px;text-align:right}.dot{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;flex:none}.dot-ok{background:var(--ok-bg);color:var(--ok)}.dot-bad{background:var(--bad-bg);color:var(--bad)}.empty{align-items:flex-start}.exam{min-height:100vh;min-height:100dvh;display:flex}.exam-side{display:none}.exam-main{flex:1;min-width:0;display:flex;flex-direction:column;max-width:820px;margin:0 auto;padding:14px 16px 0}.exam-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.exam-count{font-size:1.15rem;font-weight:700;margin-bottom:6px}.exam-top-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.timer{display:inline-flex;align-items:center;gap:5px;font-variant-numeric:tabular-nums;font-weight:600;color:var(--muted)}.timer-low{color:var(--bad)}.progress{height:5px;border-radius:3px;background:var(--line);margin:12px 0 4px;overflow:hidden}.progress div{height:100%;background:var(--accent);transition:width .2s}.q{flex:1;padding:14px 0 20px;display:flex;flex-direction:column;gap:10px}.q-text{font-size:1.25rem;font-weight:650;line-height:1.35}.q-img{border-radius:12px;max-height:300px;object-fit:contain;align-self:flex-start}.opts{display:flex;flex-direction:column;gap:10px}.opt{display:flex;align-items:flex-start;gap:12px;text-align:left;width:100%;min-height:60px;padding:15px 14px;border-radius:var(--radius);border:2px solid var(--line);background:var(--card);cursor:pointer;font-size:1.02rem;line-height:1.4}.opt:hover{border-color:var(--muted)}.opt.on{border-color:var(--accent);background:var(--accent-soft)}.box{width:24px;height:24px;flex:none;border-radius:6px;border:2px solid var(--muted);display:grid;place-items:center;margin-top:1px}.opt.on .box{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.zahl{display:flex;flex-direction:column;gap:8px}.zahl-row{display:flex;align-items:center;gap:10px}.zahl input{width:150px;min-height:60px;padding:0 14px;font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums;border-radius:var(--radius);border:2px solid var(--line);background:var(--card)}.zahl input:focus{border-color:var(--accent);outline:none}.unit{font-size:1.2rem;font-weight:600;color:var(--muted)}.exam-nav{position:sticky;bottom:0;display:grid;grid-template-columns:auto 1fr 1fr;gap:10px;padding:12px 0 calc(12px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line)}.exam-nav .btn{min-height:52px;padding:0 12px}.qgrid-wrap{display:flex;flex-direction:column;gap:12px}.qgrid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.qcell{position:relative;min-height:46px;padding:0;border-radius:10px;border:2px solid var(--line);background:var(--card);cursor:pointer;font-weight:700;font-variant-numeric:tabular-nums;color:var(--muted)}.qcell.done{background:var(--accent-soft);border-color:transparent;color:var(--accent)}.qcell.flag{border-color:var(--warn);border-style:dashed}.qcell.cur{border-color:var(--accent);border-style:solid;box-shadow:0 0 0 2px var(--accent);color:var(--ink)}.qflag{position:absolute;top:1px;right:2px;color:var(--warn);line-height:0}.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:.8rem;color:var(--muted)}.legend span{display:inline-flex;align-items:center;gap:5px}.sw{width:14px;height:14px;border-radius:4px;border:2px solid var(--line);background:var(--card);display:inline-block}.sw.done{background:var(--accent-soft);border-color:var(--accent-soft)}.sw.flag{border-color:var(--warn);border-style:dashed}.bar-ok-sw{background:var(--accent);border-color:var(--accent)}.bar-bad-sw{background:var(--bad);border-color:var(--bad)}.opt-img{max-height:110px;border-radius:8px;background:#fff}.media-fail{padding:12px 14px;border-radius:12px;background:var(--warn-bg);color:var(--warn);font-size:.92rem}video.q-img{width:100%;max-height:360px;background:#000}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;background:#080e168c;display:flex;align-items:center;justify-content:center;padding:16px}.modal{background:var(--card);border-radius:18px;padding:20px;width:100%;max-width:460px;display:flex;flex-direction:column;gap:12px;max-height:90vh;overflow:auto}.modal-body{display:flex;flex-direction:column;gap:8px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}.modal textarea{width:100%;border-radius:10px;border:1px solid var(--line);background:var(--bg);padding:10px;font:.8rem ui-monospace,Menlo,monospace;resize:vertical}.sheet-backdrop{align-items:flex-end;padding:0}.sheet{background:var(--card);width:100%;border-radius:20px 20px 0 0;padding:16px 16px calc(16px + env(safe-area-inset-bottom));max-height:88vh;overflow:auto}.sheet-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.verdict{display:flex;gap:14px;align-items:center;padding:18px;border-radius:var(--radius)}.verdict.pass{background:var(--ok-bg);color:var(--ok)}.verdict.fail{background:var(--bad-bg);color:var(--bad)}.verdict p{color:var(--ink);margin-top:2px}.verdict-icon{width:52px;height:52px;border-radius:50%;flex:none;display:grid;place-items:center;border:3px solid currentColor}.rcard-bad{border-left:4px solid var(--bad)}.review{display:flex;flex-direction:column;gap:10px}.review-q{font-weight:650;font-size:1.02rem}.ropts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.ropt{display:flex;align-items:flex-start;gap:10px;padding:9px 10px;border-radius:10px;border:1.5px solid var(--line);flex-wrap:wrap}.ropt .box{width:20px;height:20px;border-width:1.5px}.ropt-txt{flex:1;min-width:60%}.ropt-tag{font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:999px;white-space:nowrap}.ropt.ok{border-color:var(--ok);background:var(--ok-bg)}.ropt.ok .box{border-color:var(--ok);background:var(--ok);color:var(--ok-bg)}.ropt.ok .ropt-tag{color:var(--ok)}.ropt.miss{border-color:var(--warn);border-style:dashed;background:var(--warn-bg)}.ropt.miss .box{border-color:var(--warn);color:var(--warn);border-style:dashed}.ropt.miss .ropt-tag{color:var(--warn)}.ropt.bad{border-color:var(--bad);background:var(--bad-bg)}.ropt.bad .box{border-color:var(--bad);background:var(--bad);color:var(--bad-bg)}.ropt.bad .ropt-tag{color:var(--bad)}.rzahl{display:flex;gap:16px;flex-wrap:wrap}.ok-text{color:var(--ok);font-weight:600}.bad-text{color:var(--bad);font-weight:600}.erkl{font-size:.92rem;padding:8px 12px;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 8px 8px 0}.chart-scroll{overflow-x:auto}.chart{width:100%;min-width:480px;height:auto;display:block}.grid-line{stroke:var(--line);stroke-width:1}.axis{fill:var(--muted);font-size:11px}.bar-ok{fill:var(--accent)}.bar-bad{fill:var(--bad)}.bar-label{fill:var(--ink);font-size:12px;font-weight:700}.limit-line{stroke:var(--ink);stroke-width:1.5;stroke-dasharray:6 4}.limit-label{fill:var(--ink);font-size:11px;font-weight:600}.offenders{display:flex;flex-direction:column}.off{border-top:1px solid var(--line)}.off summary{display:flex;align-items:center;gap:12px;padding:10px 0;cursor:pointer;list-style:none;min-height:56px}.off summary::-webkit-details-marker{display:none}.off[open]{padding-bottom:14px}.off-main{flex:1;min-width:0;display:flex;flex-direction:column}.off-q{font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.off[open] .off-q{display:none}.count{flex:none;min-width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-weight:800;background:var(--bg);color:var(--muted);font-variant-numeric:tabular-nums}.count-hot{background:var(--bad-bg);color:var(--bad)}.hbars{display:flex;flex-direction:column;gap:10px}.hbar{display:grid;grid-template-columns:minmax(110px,1.1fr) 2fr auto;align-items:center;gap:10px;font-size:.92rem}.hbar-track{height:12px;background:var(--bg);border-radius:6px;overflow:hidden}.hbar-track i{display:block;height:100%;background:var(--bad);border-radius:6px}.hbar-val{font-variant-numeric:tabular-nums;font-weight:700;white-space:nowrap}.hbar-val .muted{font-weight:400}.setting{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;border-top:1px solid var(--line);cursor:pointer}.setting>span{display:flex;flex-direction:column}.setting select{min-height:44px;border-radius:10px;border:1px solid var(--line);background:var(--card);padding:0 10px}.switch{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:52px;height:30px;border-radius:15px;background:var(--line);position:relative;cursor:pointer;flex:none;margin:0;transition:background .15s}.switch:after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:var(--card);transition:transform .15s}.switch:checked{background:var(--accent)}.switch:checked:after{transform:translate(22px)}.format summary{cursor:pointer;font-weight:600;color:var(--accent);padding:8px 0}.format pre{overflow-x:auto;background:var(--bg);border-radius:10px;padding:12px;font:.8rem/1.5 ui-monospace,Menlo,Consolas,monospace;margin:8px 0 0}@media (max-width: 380px){.hide-xs{display:none}.q-text{font-size:1.12rem}}@media (min-width: 620px){.start-grid{grid-template-columns:1.2fr 1fr}.backdrop.sheet-backdrop{align-items:center;padding:16px}.sheet{max-width:460px;border-radius:20px}}@media (min-width: 860px){.only-narrow{display:none}.shell{display:grid;grid-template-columns:220px 1fr}.nav{position:sticky;top:0;height:100vh;flex-direction:column;gap:4px;padding:20px 12px;border-top:0;border-right:1px solid var(--line)}.nav .brand{display:flex;align-items:center;gap:10px;padding:0 8px 18px;font-weight:800;font-size:1.1rem}.brand-mark{width:34px;height:34px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center}.nav button{flex:none;flex-direction:row;justify-content:flex-start;gap:12px;min-height:48px;padding:0 12px;border-radius:10px;font-size:.95rem}.nav button.on{background:var(--accent-soft)}.content{padding:32px 32px 48px}.exam-side{display:flex;flex-direction:column;gap:14px;width:320px;flex:none;padding:24px 20px;background:var(--card);border-right:1px solid var(--line);position:sticky;top:0;height:100vh;overflow:auto}.exam-main{padding:28px 32px 0}.q-text{font-size:1.45rem}.exam-nav{grid-template-columns:140px 1fr 200px}.exam-nav .btn:nth-child(2){justify-self:start}}@media (prefers-reduced-motion: reduce){*{transition:none!important}}