:root{
    --navy:#22314a;
    --navy-light:#3a4d6e;
    --teal:#0e7c73;
    --teal-light:#e4f3f1;
    --amber:#a8641e;
    --amber-light:#faf0e2;
    --red:#a83a3a;
    --red-light:#f8e9e9;
    --bg:#f4f5f7;
    --panel:#ffffff;
    --line:#e0e3e8;
    --text:#1c2431;
    --text-mute:#5b6472;
    --radius:10px;
  }
  *{box-sizing:border-box;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.45;
  }
  .wrap{max-width:920px;margin:0 auto;padding:20px 16px 64px;}
  header.top{
    display:flex;
    align-items:baseline;
    justify-content:space-between;
    padding:6px 2px 18px;
    border-bottom:2px solid var(--navy);
    margin-bottom:20px;
  }
  header.top h1{
    font-size:1.35rem;
    margin:0;
    font-weight:700;
    color:var(--navy);
    letter-spacing:-0.01em;
  }
  header.top .sub{font-size:.82rem;color:var(--text-mute);}
  nav.tabs{display:flex;gap:4px;margin-bottom:20px;border-bottom:1px solid var(--line);}
  nav.tabs button{
    appearance:none;border:none;background:none;
    padding:9px 16px;font-size:.92rem;font-weight:600;color:var(--text-mute);
    cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;
  }
  nav.tabs button.active{color:var(--navy);border-bottom-color:var(--navy);}
  section.panel{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    padding:20px;margin-bottom:16px;
  }
  .panel h2{font-size:1rem;margin:0 0 14px;color:var(--navy);}
  .row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px;}
  .field{flex:1 1 200px;min-width:160px;}
  .field label{display:block;font-size:.78rem;font-weight:600;color:var(--text-mute);margin-bottom:5px;}
  select,input[type=date],input[type=text]{
    width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:7px;
    font-size:.92rem;background:#fff;color:var(--text);font-family:inherit;
  }
  select:focus,input:focus{outline:2px solid var(--navy-light);outline-offset:1px;}
  .turnus-toggle{display:flex;border:1px solid var(--line);border-radius:7px;overflow:hidden;}
  .turnus-toggle button{
    flex:1;padding:9px 8px;border:none;background:#fff;font-size:.88rem;font-weight:600;
    color:var(--text-mute);cursor:pointer;
  }
  .turnus-toggle button.active{background:var(--navy);color:#fff;}
  .turnus-toggle button:disabled{cursor:not-allowed;color:#b7bcc4;background:#f2f3f5;}
  .hint{font-size:.78rem;color:var(--text-mute);margin-top:4px;}
  .subj-hint{font-size:.8rem;color:var(--navy-light);margin-top:6px;font-weight:600;}

  .period-card{
    border:1px solid var(--line);border-radius:9px;padding:13px 14px;margin-bottom:10px;
  }
  .period-card.checked{border-color:var(--navy-light);}
  .period-head{display:flex;align-items:flex-start;gap:10px;}
  .period-head input[type=checkbox]{margin-top:3px;width:16px;height:16px;flex:none;}
  .period-head .meta{flex:1;}
  .period-head .ptime{font-weight:700;font-size:.92rem;}
  .period-head .pclass{font-size:.82rem;color:var(--text-mute);}
  .period-body{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);display:none;}
  .period-card.checked .period-body{display:block;}

  .type-toggle{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap;}
  .type-toggle button{
    border:1px solid var(--line);background:#fff;border-radius:20px;padding:5px 12px;
    font-size:.8rem;font-weight:600;color:var(--text-mute);cursor:pointer;
  }
  .type-toggle button.sel-strucna.active{background:var(--teal-light);border-color:var(--teal);color:var(--teal);}
  .type-toggle button.sel-nestrucna.active{background:var(--amber-light);border-color:var(--amber);color:var(--amber);}
  .type-toggle button.sel-tihi.active{background:var(--red-light);border-color:var(--red);color:var(--red);}
  .count-badge{font-weight:400;opacity:.75;}

  .list-label{font-size:.76rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--text-mute);margin:8px 0 6px;}
  .sub-list{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px;}
  .sub-chip{
    border:1px solid var(--line);background:#fff;border-radius:7px;padding:6px 10px;
    font-size:.83rem;cursor:pointer;color:var(--text);text-align:left;
  }
  .sub-chip{display:block;}
  .sub-chip .hrs{color:var(--text-mute);font-size:.76rem;}
  .sub-chip.active{background:var(--navy);color:#fff;border-color:var(--navy);}
  .sub-chip.active .hrs{color:#dfe4ee;}
  .sub-chip.not-present{opacity:.6;}
  .sub-list{flex-direction:column;align-items:flex-start;}
  .sub-list .sub-chip{width:100%;}
  .sub-empty{font-size:.83rem;color:var(--text-mute);font-style:italic;margin-bottom:6px;}
  .assigned-line{font-size:.83rem;margin-top:6px;color:var(--text-mute);}
  .assigned-line b{color:var(--text);}

  .save-bar{display:flex;justify-content:flex-end;gap:10px;align-items:center;margin-top:6px;}
  .btn-primary{
    background:var(--navy);color:#fff;border:none;border-radius:7px;padding:10px 20px;
    font-size:.9rem;font-weight:600;cursor:pointer;
  }
  .btn-primary:disabled{background:#b7bcc4;cursor:not-allowed;}
  .btn-secondary{
    background:#fff;color:var(--navy);border:1px solid var(--navy);border-radius:7px;padding:9px 16px;
    font-size:.85rem;font-weight:600;cursor:pointer;
  }
  .save-msg{font-size:.82rem;color:var(--teal);font-weight:600;}

  table.log{width:100%;border-collapse:collapse;font-size:.85rem;}
  table.log th{text-align:left;color:var(--text-mute);font-weight:600;font-size:.75rem;
    text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--line);padding:7px 8px;}
  table.log td{padding:8px;border-bottom:1px solid var(--line);vertical-align:top;}
  table.log tr:last-child td{border-bottom:none;}
  .tag{display:inline-block;border-radius:5px;padding:2px 7px;font-size:.74rem;font-weight:700;}
  .tag.strucna{background:var(--teal-light);color:var(--teal);}
  .tag.nestrucna{background:var(--amber-light);color:var(--amber);}
  .tag.tihi{background:var(--red-light);color:var(--red);}
  .del-btn{background:none;border:none;color:var(--text-mute);cursor:pointer;font-size:.78rem;text-decoration:underline;}
  .empty-state{color:var(--text-mute);font-size:.88rem;padding:20px 4px;text-align:center;}

  .stat-grid{display:grid;grid-template-columns:1fr auto;gap:6px 14px;font-size:.85rem;}
  .stat-grid .n{font-weight:700;color:var(--navy);}

  .top-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:8px;}
  .filter-input{max-width:220px;}
  .note-box{font-size:.78rem;color:var(--text-mute);background:#f0f1f3;border-radius:7px;padding:8px 10px;margin-top:10px;}
  @media (max-width:560px){
    .wrap{padding:14px 10px 48px;}
    header.top{flex-direction:column;align-items:flex-start;gap:2px;}
  }

  header.top .desno{display:flex;gap:14px;align-items:baseline;flex-wrap:wrap;}
  header.top .desno a,header.top .desno button{font-size:.82rem;color:var(--navy-light);background:none;border:none;padding:0;cursor:pointer;text-decoration:underline;font-family:inherit;}
  .izostanak-red{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:.88rem;}
  .izostanak-red:last-child{border-bottom:none;}
  .izostanak-red .tko{font-weight:600;}
  .izostanak-red .opis{font-size:.78rem;color:var(--text-mute);}
  .oznaka{display:inline-block;border-radius:5px;padding:2px 8px;font-size:.74rem;font-weight:700;white-space:nowrap;}
  .oznaka.gotovo{background:var(--teal-light);color:var(--teal);}
  .oznaka.otvoreno{background:var(--amber-light);color:var(--amber);}
  .oznaka.nema{background:#f0f1f3;color:var(--text-mute);}
  .poruka-kartica{border:1px solid var(--line);border-radius:9px;padding:12px 14px;margin-bottom:10px;}
  .poruka-kartica pre{white-space:pre-wrap;font-family:inherit;font-size:.85rem;margin:6px 0 10px;background:#f7f8fa;border-radius:7px;padding:9px 10px;}
  .poruka-kartica .gumbi{display:flex;gap:8px;flex-wrap:wrap;}
  .gumb-wa{background:#1f8f4e;color:#fff;border:none;border-radius:7px;padding:8px 14px;font-size:.85rem;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block;}
  .vec-pokriveno{font-size:.8rem;color:var(--teal);font-weight:600;margin-top:4px;}
  .greska{color:var(--red);font-size:.85rem;font-weight:600;}
  .sati-mreza{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px 12px;margin-top:8px;font-size:.85rem;}
  .sati-mreza label{display:flex;gap:6px;align-items:center;font-weight:400;color:var(--text);font-size:.85rem;margin:0;}
  .radio-red{display:flex;gap:18px;flex-wrap:wrap;font-size:.88rem;}
  .radio-red label{display:flex;gap:6px;align-items:center;color:var(--text);font-size:.88rem;font-weight:400;}
  .prijava-kutija{max-width:360px;margin:12vh auto 0;}