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/* Штаб — в стиле игры «Рубеж»: ночной командный пункт */
:root{--ink:#0a0f1d;--bg:#0a0f1d;--panel:#111a2d;--panel2:#18233b;--deck3:#213052;--line:#2a3757;--text:#dbe3ef;--muted:#8a96b2;--acc:#e8a33a;--acc-ink:#2b1a03;--alien:#5ef0d0;--ok:#86d49a;--bad:#ff5a72;--blue:#7cb8ff;--r:10px;
  --f-display:"Unbounded","Arial Black",system-ui,sans-serif;--f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;--f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;color-scheme:dark}
*{box-sizing:border-box}
html{background:var(--ink)}
body{margin:0;min-height:100vh;color:var(--text);font:15px/1.5 var(--f-body);-webkit-text-size-adjust:100%;
  background:radial-gradient(ellipse 70% 45% at 80% 0%,rgba(94,240,208,.07),transparent 70%),
    repeating-linear-gradient(26.565deg,rgba(120,140,190,.05) 0 1px,transparent 1px 36px),
    repeating-linear-gradient(-26.565deg,rgba(120,140,190,.05) 0 1px,transparent 1px 36px),var(--ink);background-attachment:fixed}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
.boot{padding:40px;text-align:center;color:var(--muted);font-family:var(--f-mono);letter-spacing:.12em;text-transform:uppercase;font-size:12px}
header{position:sticky;top:0;z-index:5;background:rgba(10,15,29,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);padding:12px 16px;display:flex;align-items:center;gap:12px}
header h1{font-family:var(--f-display);font-weight:700;font-size:18px;margin:0;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}
header h1::after{content:"";display:inline-block;width:.32em;height:.32em;border-radius:50%;background:var(--acc);margin-left:.12em}
header h1::before{content:"Рубеж · ";font-family:var(--f-mono);font-weight:400;font-size:11px;letter-spacing:.2em;color:var(--alien);vertical-align:middle;margin-right:4px}
header .who{margin-left:auto;color:var(--muted);font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
header .who::before{content:"командир: ";color:#56627f}header .who[data-role=helper]::before{content:"помощник: "}
main{max-width:860px;margin:0 auto;padding:18px 16px 100px}
nav.tabs{position:fixed;left:0;right:0;bottom:0;z-index:6;background:var(--panel);border-top:1px solid var(--line);display:flex;padding-bottom:env(safe-area-inset-bottom)}
nav.tabs button{flex:1;min-width:0;background:none;border:0;border-top:2px solid transparent;padding:9px 2px 8px;font-size:11px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;font-family:var(--f-mono);letter-spacing:.04em;text-transform:uppercase}
nav.tabs button .i{font-size:17px;line-height:1;font-family:var(--f-mono);color:var(--muted)}
nav.tabs button.on{color:var(--acc);border-top-color:var(--acc)}
nav.tabs button.on .i{color:var(--acc)}
nav.tabs button{position:relative}nav.tabs .badge{position:absolute;top:4px;left:calc(50% + 7px);background:var(--bad);color:#fff;border-radius:9px;font-size:10px;line-height:15px;min-width:15px;text-align:center;padding:0 4px;font-family:var(--f-mono);letter-spacing:0}
@media(min-width:900px){nav.tabs{position:sticky;top:57px;bottom:auto;max-width:860px;margin:10px auto 0;border:1px solid var(--line);border-radius:var(--r)}nav.tabs button{border-top:0;border-bottom:2px solid transparent;font-size:12px}nav.tabs button.on{border-bottom-color:var(--acc)}main{padding-bottom:40px}}
@media(max-width:440px){nav.tabs button{font-size:9.5px;letter-spacing:0}}
h2{font-family:var(--f-display);font-weight:500;font-size:18px;margin:6px 0 14px;letter-spacing:.01em}
h3{font-family:var(--f-mono);font-size:12px;margin:22px 0 10px;color:var(--alien);font-weight:400;letter-spacing:.18em;text-transform:uppercase}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin:0 0 12px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.grow{flex:1;min-width:0}
.muted{color:var(--muted)}
.small{font-size:13px}
.btn{border:1px solid var(--line);background:var(--panel2);border-radius:8px;padding:9px 14px;cursor:pointer;min-height:40px;font-weight:600;transition:border-color .15s}
.btn:hover{border-color:var(--acc)}
.btn.primary{background:var(--acc);border-color:var(--acc);color:var(--acc-ink)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#0b1f12}
.btn.bad{background:transparent;border-color:var(--bad);color:var(--bad)}
.btn.link{background:none;border:0;color:var(--acc);padding:4px 6px;min-height:0;font-weight:500;text-decoration:underline;text-underline-offset:3px}
.btn:disabled{opacity:.45;cursor:default}
label{display:block;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:12px 0 5px}
input,select,textarea{width:100%;background:var(--ink);border:1px solid var(--line);border-radius:8px;padding:10px;min-height:42px}
input:focus,select:focus,textarea:focus{border-color:var(--acc);outline:none}
textarea{min-height:80px;resize:vertical}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
@media(max-width:520px){.grid3{grid-template-columns:1fr 1fr}}
.pill{display:inline-block;border-radius:4px;padding:2px 7px;font:11px var(--f-mono);letter-spacing:.06em;text-transform:uppercase;background:var(--deck3);color:var(--muted);border:1px solid transparent;white-space:nowrap}
.pill.open{border-color:var(--blue);color:var(--blue);background:transparent}.pill.sent{border-color:var(--acc);color:var(--acc);background:transparent}.pill.ok{border-color:var(--ok);color:var(--ok);background:transparent}.pill.redo{border-color:var(--bad);color:var(--bad);background:transparent}
.subj{font-family:var(--f-mono);font-weight:600;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--acc)}
.thumbs{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.thumbs img{width:96px;height:96px;object-fit:cover;border-radius:8px;border:1px solid var(--line);cursor:zoom-in}
.zoom{position:fixed;inset:0;background:rgba(3,5,12,.95);z-index:50;display:flex;align-items:center;justify-content:center}
.zoom img{max-width:100%;max-height:100%}
.answer{background:var(--ink);border:1px solid var(--line);border-left:3px solid var(--alien);border-radius:6px;padding:10px 12px;margin-top:8px;white-space:pre-wrap}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--acc);color:var(--acc-ink);padding:10px 16px;border-radius:8px;z-index:60;font-size:14px;font-weight:600;box-shadow:0 8px 30px rgba(0,0,0,.4)}
table{width:100%;border-collapse:collapse}
td,th{padding:7px 4px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
th{font:11px var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:400}
.week{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.day h4{margin:0 0 8px;font:600 12px var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.day .today{color:var(--acc)}
.lesson{display:flex;gap:6px;align-items:baseline;font-size:14px;padding:4px 0;border-bottom:1px dashed var(--line)}
.lesson:last-child{border-bottom:0}
.lesson .n{color:var(--muted);width:16px;font-family:var(--f-mono);font-size:12px}
.hwline{font-size:13px;color:var(--muted);margin-left:22px}
.grade{display:inline-block;min-width:22px;text-align:center;border-radius:4px;background:var(--acc);color:var(--acc-ink);font:700 13px var(--f-mono);margin-left:4px}
.bars{display:flex;align-items:flex-end;gap:6px;height:120px;padding-top:10px}
.bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;font:11px var(--f-mono);color:var(--muted)}
.bar i{display:block;width:100%;background:linear-gradient(var(--acc),#b87a22);border-radius:3px 3px 0 0;min-height:2px}
.code{font:700 44px var(--f-mono);letter-spacing:.25em;text-align:center;padding:12px;color:var(--alien);text-shadow:0 0 18px rgba(94,240,208,.35)}
.sched td{padding:4px 2px}.sched select{min-height:36px;padding:4px;font-size:14px}
.err{color:var(--bad);font-size:14px;margin-top:8px}
.big{font-family:var(--f-display);font-size:28px;font-weight:700;color:var(--acc);line-height:1.15}
.grid3 .card .muted.small{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.login{max-width:380px;margin:14vh auto;padding:22px 18px}
.login h2{font-family:var(--f-display);font-weight:700;font-size:40px;letter-spacing:-.01em;text-transform:uppercase;margin:0 0 4px;line-height:1}
.login h2::after{content:"";display:inline-block;width:.24em;height:.24em;border-radius:50%;background:var(--acc);margin-left:.08em}
.login h2::before{content:"Рубеж · связь с отрядом";display:block;font:400 11px var(--f-mono);letter-spacing:.22em;color:var(--alien);margin-bottom:14px;text-transform:uppercase}