/* Светлая бумага и красный карандаш проверяющего. */
:root{
  --bg:#f6f7f9;--panel:#fff;--ink:#1a1f27;--muted:#5d6775;--line:#dde1e7;
  --red:#c5281c;--amber:#946200;--green:#1c7a48;
  --serif:ui-serif,Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#14171c;--panel:#1d2128;--ink:#eceff3;--muted:#a0a9b5;--line:#323842;
  --red:#ff7a6e;--amber:#e3b34d;--green:#62c98f;color-scheme:dark;
}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 var(--sans)}
.wrap{max-width:760px;margin:0 auto;display:grid;gap:26px;
  padding-block:max(18px,env(safe-area-inset-top)) max(28px,env(safe-area-inset-bottom));
  padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
.narrow{max-width:430px;gap:14px}
h1{font:400 1.8rem/1.15 var(--serif);margin:0;text-wrap:balance}
h2{font-size:1rem;font-weight:600;margin:0 0 10px}
.sub{margin:5px 0 0;color:var(--muted)}
.muted{color:var(--muted);font-size:.85rem;margin:0}
.top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.top>div{min-width:0}
a{color:inherit}
.btn{appearance:none;font:inherit;font-size:.9rem;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:9px 13px;min-height:42px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}
.btn:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.btn:disabled{opacity:.55;cursor:default}
.btn-strong{background:var(--red);border-color:var(--red);color:var(--bg);font-weight:600}
.wide{width:100%}
.alert{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;border:1px solid var(--red);border-radius:8px;padding:11px 13px}
.alert span{min-width:0;flex:1 1 200px}
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px 11px;min-width:0}
.tile strong{display:block;font:400 1.9rem/1.1 var(--serif);font-variant-numeric:tabular-nums}
.tile span{display:block;color:var(--muted);font-size:.76rem;line-height:1.25;margin-top:3px}
.tile.hot strong{color:var(--red)}
.cards{display:grid;gap:8px}
.card{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--line);border-radius:6px;padding:12px 13px;display:grid;gap:7px;min-width:0}
.card.new,.card.late{border-left-color:var(--red)}
.card.grading{border-left-color:var(--amber)}
.card.filled{border-left-color:var(--green)}
.card-head{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.card-title{font-weight:600;min-width:0;overflow-wrap:anywhere}
.badge{font-size:.76rem;white-space:nowrap;color:var(--muted)}
.card.new .badge,.card.late .badge{color:var(--red)}
.card.grading .badge{color:var(--amber)}
.card.filled .badge{color:var(--green)}
.facts{display:flex;flex-wrap:wrap;gap:3px 14px;font-size:.86rem;color:var(--muted);font-variant-numeric:tabular-nums}
.facts b{color:var(--ink);font-weight:600}
.bar{height:5px;background:var(--line);border-radius:3px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--amber)}
.bar i.full{background:var(--green)}
.card-foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 12px;font-size:.9rem}
.card-foot a{font-weight:500}
.line{margin-bottom:12px}
.line-name{font-size:.8rem;color:var(--muted);margin-bottom:5px}
.chips,.legend{display:flex;flex-wrap:wrap;gap:4px}
.legend{margin-top:4px}
.chip{display:inline-block;font-size:.78rem;padding:3px 7px;border:1px solid var(--line);border-radius:5px;color:var(--muted);text-decoration:none;white-space:nowrap}
.chip.done{color:var(--green);border-color:var(--green)}
.chip.active{color:var(--amber);border-color:var(--amber);font-weight:600}
.chip.new{background:var(--red);border-color:var(--red);color:var(--bg);font-weight:600}
.chip.skipped,.chip.declined{border-style:dashed;text-decoration:line-through}
.chip.none{opacity:.65}
.log{list-style:none;margin:0;padding:0}
.log li{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid var(--line);font-size:.9rem}
.log li span:first-child{min-width:0;overflow-wrap:anywhere}
.log li span:last-child{color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.stack{display:grid;gap:10px}
.row{display:flex;gap:8px}
.row input{flex:1;min-width:0}
.keys .btn{flex:1}
input[type=text],input[type=password]{font:inherit;font-size:16px;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:9px 11px;min-height:42px;width:100%}
.check{display:flex;gap:7px;align-items:center;font-size:.85rem;color:var(--muted)}
.error{color:var(--red);margin:0}
.screen{display:block;width:100%;max-width:100%;aspect-ratio:390/760;background:var(--panel);border:1px solid var(--line);border-radius:6px;touch-action:manipulation;cursor:pointer}
@media (max-width:360px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
.controls{position:sticky;bottom:0;display:grid;gap:8px;background:var(--bg);padding-block:8px max(8px,env(safe-area-inset-bottom))}
.panel{display:grid;gap:26px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto}
.tab{padding:9px 12px;text-decoration:none;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;font-size:.95rem}
.tab.on{color:var(--ink);border-bottom-color:var(--red);font-weight:600}
.note{margin:0;font-size:.9rem;color:var(--muted)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 12px}
.link{appearance:none;background:none;border:0;padding:0;font:inherit;color:inherit;text-decoration:underline;cursor:pointer}
.course-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.course-name{font-weight:600;min-width:0;overflow-wrap:anywhere}
.course-meta{color:var(--muted);font-size:.8rem;margin-top:2px}
.grade{font:400 1.7rem/1 var(--serif);font-variant-numeric:tabular-nums;white-space:nowrap}
.grade small{font:.72rem var(--sans);color:var(--muted);margin-left:2px}
.warn{color:var(--red);font-size:.86rem;margin:0}
.acts{width:100%;border-collapse:collapse;font-size:.85rem;font-variant-numeric:tabular-nums}
.acts th{font-weight:400;color:var(--muted);text-align:right;padding:2px 0 2px 10px;font-size:.76rem}
.acts td{text-align:right;padding:3px 0 3px 10px;border-top:1px solid var(--line)}
.acts th:first-child,.acts td:first-child{text-align:left;padding-left:0;overflow-wrap:anywhere}
details summary{cursor:pointer;font-size:.88rem;color:var(--muted)}
.tasks{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:0}
.tasks li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;padding:6px 0;border-top:1px solid var(--line);font-size:.86rem}
.tasks .t-score{font-variant-numeric:tabular-nums;white-space:nowrap;text-align:right}
.tasks .t-state{grid-column:1/-1;color:var(--muted);font-size:.76rem}
.tasks .failed .t-state,.tasks li.failed .t-state{color:var(--red)}
.tasks li.evaluated .t-state{color:var(--green)}
.tasks li.review .t-state,.tasks li.submitted .t-state{color:var(--amber)}
.log li.past span:last-child{color:var(--red)}
.user-row{align-items:center}
.btn-small{min-height:32px;padding:4px 9px;font-size:.8rem}
.checked-facts{margin-bottom:10px}
.days{display:flex;align-items:flex-end;gap:2px;height:110px;border-bottom:1px solid var(--line)}
.day{appearance:none;flex:1 1 0;min-width:0;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;background:none;border:0;padding:0;cursor:pointer;color:inherit;font:inherit}
.day i{display:block;width:100%;max-width:18px;background:var(--green);border-radius:4px 4px 0 0}
.day.zero i{background:none}
.day em{font-style:normal;font-size:.72rem;font-variant-numeric:tabular-nums;margin-bottom:2px}
.day.sel i{background:var(--ink)}
.day:focus-visible{outline:2px solid var(--red);outline-offset:1px}
.days-axis{display:flex;justify-content:space-between;color:var(--muted);font-size:.76rem;margin-top:4px}
.days-readout{min-height:1.3em;margin:6px 0 8px}
.log li small{display:block;color:var(--muted);font-size:.78rem}
.facts .late{color:var(--red);font-weight:600}
.diff-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2px 12px;padding:6px 0;border-top:1px solid var(--line);font-size:.86rem;font-variant-numeric:tabular-nums}
.card-progress{font-size:.8rem;color:var(--muted)}
.login-body{height:100dvh;display:flex;flex-direction:column;overflow:hidden}
.login-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:.85rem;padding:max(6px,env(safe-area-inset-top)) max(10px,env(safe-area-inset-right)) 6px max(10px,env(safe-area-inset-left))}
.login-bar span{min-width:0}
.login-view{flex:1;min-height:0;background:var(--panel);overflow:hidden;touch-action:none}
.login-view img{display:block;width:100%;height:100%;object-fit:fill;user-select:none;-webkit-user-select:none}
.login-keys{display:flex;gap:6px;justify-content:flex-end;padding:6px max(10px,env(safe-area-inset-right)) max(6px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left))}
.kbd{position:fixed;left:0;bottom:0;width:2px;height:2px;opacity:0;font-size:16px;border:0;padding:0}
.setting{display:grid;gap:8px}
.setting-head{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.setting-state{font-size:.8rem;color:var(--muted);white-space:nowrap}
.setting-state.ok{color:var(--green)}
.setting-state.bad{color:var(--red)}
.link-row{display:grid;gap:4px;padding-top:8px;border-top:1px solid var(--line);font-size:.88rem}
.link-row select{font:inherit;font-size:16px;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:6px;width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:6px}