/* Wspólne style panelu nauczyciela (zadania.html) i admina (admin.html). */
:root{
  --ink:#3B4A54; --ink-deep:#2F3C45; --ink-soft:#5B6F7A; --paper:#F3EFE6; --line:#DED6C4;
  --card:#FBFAF5; --chalk:#B0805F; --chalk-soft:#D6B393; --green:#6B4530;
  --ok:#2F7D4F; --bad:#B4443A; --warn:#8A5E13; --white:#FFFFFF; --max:960px;
}
*{box-sizing:border-box;}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Karla',sans-serif;font-size:16px;line-height:1.55;}
h1,h2,h3{font-family:'Quicksand',sans-serif;margin:0;}
a{color:inherit;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 18px;}
main.wrap{padding-top:24px;padding-bottom:70px;}
button{cursor:pointer;font-family:'Karla',sans-serif;}
input,textarea,select{font-family:'Karla',sans-serif;font-size:0.95rem;}
[hidden]{display:none !important;}

/* header */
.panel-header{background:var(--paper);border-bottom:1px solid var(--line);padding:14px 0;}
.panel-header .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;}
.panel-brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.panel-brand img{height:26px;width:auto;}
.panel-brand span{font-family:'Quicksand',sans-serif;font-weight:700;font-size:0.95rem;color:var(--green);
  border-left:1px solid var(--line);padding-left:12px;}
.userbar{display:flex;align-items:center;gap:10px;font-size:0.88rem;color:var(--ink-soft);flex-wrap:wrap;}
.role-badge{font-size:0.72rem;font-weight:700;padding:3px 9px;border-radius:20px;background:#EFE3D6;color:var(--green);}

/* tabs */
.tabs{display:flex;gap:6px;background:var(--white);border:1px solid var(--line);padding:4px;border-radius:8px;margin-bottom:20px;flex-wrap:wrap;}
.tabs button{background:none;border:none;color:var(--ink-soft);padding:9px 16px;border-radius:6px;font-weight:600;font-size:0.9rem;}
.tabs button.active{background:var(--ink);color:var(--white);}
.tabs .count{display:inline-block;min-width:20px;padding:0 6px;margin-left:4px;border-radius:10px;background:var(--chalk);color:var(--white);font-size:0.75rem;line-height:18px;text-align:center;}

/* cards & forms */
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;margin-bottom:18px;}
.card h2{font-size:1.08rem;margin:0 0 12px;}
.narrow{max-width:420px;margin:40px auto;}
label.field{display:block;font-size:0.85rem;font-weight:600;color:var(--ink-soft);margin:12px 0 5px;}
textarea,input[type=text],input[type=email],input[type=password],input[type=number],select{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:var(--white);color:var(--ink);
}
textarea{min-height:110px;resize:vertical;}
.grid{display:grid;gap:0 12px;}
.grid-3{grid-template-columns:1fr 1.4fr 110px;}
.grid-2{grid-template-columns:160px 1fr;}
@media (max-width:640px){.grid-3,.grid-2{grid-template-columns:1fr;}}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.muted{color:#66738A;font-size:0.86rem;}
.btn{display:inline-block;padding:10px 18px;border-radius:6px;font-weight:600;font-size:0.92rem;border:1.5px solid transparent;background:transparent;text-decoration:none;}
.btn-primary{background:var(--ink);color:var(--white);}
.btn-primary:hover{background:var(--ink-deep);}
.btn-accent{background:var(--chalk);color:var(--white);}
.btn-accent:hover{background:var(--green);}
.btn-ghost{border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-ok{background:var(--ok);color:var(--white);}
.btn-danger{border-color:var(--bad);color:var(--bad);}
.btn-sm{padding:6px 12px;font-size:0.82rem;}
.btn:disabled{opacity:0.55;cursor:default;}

.status{font-size:0.88rem;margin-top:10px;padding:10px 12px;border-radius:6px;}
.status.ok{background:#E4F2E8;color:var(--ok);}
.status.err{background:#F7E6E4;color:var(--bad);}
.status.busy{background:#EEF1F5;color:var(--ink-soft);}

fieldset{border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin-top:14px;}
legend{font-size:0.85rem;font-weight:600;color:var(--ink-soft);padding:0 6px;}
.type-toggle{display:flex;gap:8px;margin-top:14px;}
.type-toggle label{flex:1;text-align:center;padding:9px;border:1.5px solid var(--line);border-radius:6px;font-size:0.88rem;font-weight:600;cursor:pointer;background:var(--white);}
.type-toggle input{position:absolute;opacity:0;pointer-events:none;}
.type-toggle label:has(input:checked){border-color:var(--chalk);background:#F4EBE2;}
.opt-row{display:grid;grid-template-columns:28px 1fr;gap:8px;align-items:center;margin-bottom:8px;}
.opt-row span{font-weight:700;color:var(--green);}
#f-pf .opt-row{grid-template-columns:28px 1fr 80px;}
.step-row{display:grid;grid-template-columns:1fr 1.4fr 1fr auto;gap:8px;margin-bottom:8px;align-items:center;}
@media (max-width:640px){.step-row{grid-template-columns:1fr 1fr;}}
.step-row input{font-size:0.86rem;padding:8px;}

details.help summary{cursor:pointer;font-weight:600;color:var(--green);font-size:0.9rem;}
details.help p{color:#4B5768;font-size:0.87rem;}
pre.schema{background:var(--ink-deep);color:#E8DCCF;padding:14px;border-radius:8px;overflow-x:auto;font-size:0.78rem;line-height:1.5;}

/* task list */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px;}
.filters select{width:auto;}
.task{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:10px;}
.task-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;}
.task-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.task-q{margin-top:8px;white-space:pre-wrap;}
.task-q.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.task-actions{display:flex;gap:6px;flex-wrap:wrap;flex-shrink:0;}
.task-body{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);font-size:0.92rem;}
.task-body ol,.task-body ul{margin:4px 0 0;padding-left:20px;}
.task-body .correct{color:var(--ok);font-weight:700;}
.task-author{font-size:0.8rem;color:var(--ink-soft);margin-top:6px;}
.tag{display:inline-block;font-size:0.72rem;font-weight:700;padding:3px 9px;border-radius:20px;background:#E7DFD3;color:var(--green);}
.tag.poziom{background:#EADBCD;color:var(--chalk);}
.tag.zrodlo{background:#DDE3E6;color:var(--ink-soft);}
.tag.zmiana{background:#F6E3D3;color:#8A4B25;}
.tag.s-approved{background:#E4F2E8;color:var(--ok);}
.tag.s-pending_review{background:#F5E9D2;color:var(--warn);}
.tag.s-rejected{background:#F7E6E4;color:var(--bad);}
.tag.s-draft{background:#EEF1F5;color:var(--ink-soft);}
.tag.tr-latwe{background:#E4F2E8;color:var(--ok);}
.tag.tr-srednie{background:#F5E9D2;color:var(--warn);}
.tag.tr-trudne{background:#F7E6E4;color:var(--bad);}
.tag.tr-szac{background:transparent;border:1.5px dashed currentColor;padding:2px 8px;}
.link-btn{background:none;border:none;padding:0;color:var(--green);font-weight:600;font-size:0.85rem;text-decoration:underline;}
.empty{text-align:center;color:var(--ink-soft);padding:30px 0;}
.q-img{display:block;max-width:100%;height:auto;margin:6px 0 10px;background:#fff;border-radius:8px;padding:6px;box-sizing:border-box;}