:root{
    --bg:#DCDCD3;
    --surface:#F7F6F2;
    --surface-2:#FFFFFF;
    --ink:#1B1D22;
    --ink-soft:#5B5F63;
    --accent:#E8551C;
    --accent-ink:#FFFFFF;
    --ok:#2F7D5A;
    --ok-bg:#E1EEE6;
    --warn:#C98A1A;
    --warn-bg:#F5E9D3;
    --wait:#7A5FB0;
    --wait-bg:#EAE3F4;
    --danger:#B33A1E;
    --steel:#3E4652;
    --line:#C3C0B6;
    --radius:2px;
  }
  [data-theme="escuro"]{
    --bg:#17181B;
    --surface:#1F2124;
    --surface-2:#26282C;
    --ink:#EDECE8;
    --ink-soft:#9A9C9F;
    --ok-bg:#1E332A;
    --warn-bg:#332B18;
    --wait-bg:#2B2438;
    --line:#34363A;
  }
  *{box-sizing:border-box;}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:'IBM Plex Sans',sans-serif;-webkit-font-smoothing:antialiased;}
  h1,h2,h3,.display{font-family:'Big Shoulders Display',sans-serif;font-weight:800;letter-spacing:.01em;text-transform:uppercase;}
  .mono{font-family:'IBM Plex Mono',monospace;}
  button{font-family:inherit;cursor:pointer;}
  input,select,textarea{font-family:inherit;}

  #app{max-width:1100px;margin:0 auto;padding:0 20px 60px;}

  .topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0 16px;border-bottom:3px solid var(--ink);margin-bottom:22px;flex-wrap:wrap;}
  .logo{display:flex;align-items:center;gap:10px;}
  .logo .mark{width:34px;height:34px;border-radius:50%;border:3px solid var(--ink);position:relative;flex:none;}
  .logo .mark::before{content:"";position:absolute;top:50%;left:50%;width:14px;height:3px;background:var(--accent);transform:translate(-50%,-50%) rotate(-35deg);}
  .logo .name{font-size:26px;line-height:1;}
  .logo .sub{font-size:10px;letter-spacing:.14em;color:var(--ink-soft);text-transform:uppercase;font-family:'IBM Plex Mono',monospace;margin-top:2px;}

  nav{display:flex;gap:4px;flex-wrap:wrap;}
  nav button{background:none;border:none;padding:8px 14px;font-size:13px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--ink-soft);border-bottom:3px solid transparent;transition:.15s;}
  nav button:hover{color:var(--ink);}
  nav button.active{color:var(--ink);border-bottom-color:var(--accent);}

  .userbox{display:flex;align-items:center;gap:10px;}
  .userbox .who{text-align:right;}
  .userbox .who .nm{font-size:12px;font-weight:600;}
  .userbox .who .role{font-size:10px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em;}

  .panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:18px;}
  .row{display:flex;gap:14px;flex-wrap:wrap;}
  .col{flex:1;min-width:180px;}
  label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);margin-bottom:5px;font-weight:600;}
  input[type=text],input[type=number],input[type=password],select,textarea{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);font-size:14px;color:var(--ink);}
  input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;}
  select:disabled{color:var(--ink-soft);background:#EFEEEA;}
  .field{margin-bottom:14px;}
  .btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border:none;border-radius:var(--radius);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;}
  .btn-primary{background:var(--accent);color:var(--accent-ink);}
  .btn-primary:hover{filter:brightness(.88);}
  .btn-ghost{background:none;border:1px solid var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:var(--surface);}
  .btn-danger{background:none;border:1px solid var(--danger);color:var(--danger);}
  .btn-danger:hover{background:var(--danger);color:#fff;}
  .btn-sm{padding:6px 12px;font-size:11px;}
  .btn:disabled{opacity:.4;cursor:not-allowed;}
  .btn-block{width:100%;justify-content:center;}

  h1.page-title{font-size:30px;margin:0 0 4px;}
  .page-sub{color:var(--ink-soft);font-size:13px;margin:0 0 22px;}

  .stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:22px;}
  .stat{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);padding:16px 18px;border-radius:var(--radius);}
  .stat .num{font-family:'Big Shoulders Display',sans-serif;font-weight:800;font-size:34px;line-height:1;}
  .stat .lbl{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin-top:4px;}

  .os-list{display:flex;flex-direction:column;gap:10px;}
  .os-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;display:flex;align-items:center;gap:16px;cursor:pointer;transition:.15s;}
  .os-card:hover{border-color:var(--ink);}
  .os-num{font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:13px;background:var(--ink);color:var(--surface);padding:4px 9px;border-radius:var(--radius);flex:none;}
  .os-info{flex:1;min-width:0;}
  .os-info .svc{font-weight:600;font-size:14px;}
  .os-info .cli{font-size:12px;color:var(--ink-soft);}
  .badge{font-size:10px;text-transform:uppercase;letter-spacing:.06em;font-weight:700;padding:5px 10px;border-radius:20px;flex:none;}
  .badge.aberta{background:var(--wait-bg);color:var(--wait);}
  .badge.andamento{background:var(--warn-bg);color:var(--warn);}
  .badge.peca{background:#F5DCC9;color:#A85217;}
  .badge.concluida{background:var(--ok-bg);color:var(--ok);}
  .badge.entregue{background:#E2E2DC;color:var(--ink-soft);}

  .empty{padding:40px 20px;text-align:center;color:var(--ink-soft);border:1px dashed var(--line);border-radius:var(--radius);}
  .empty .display{font-size:20px;color:var(--ink);margin-bottom:6px;}

  .list-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);gap:10px;}
  .list-item:last-child{border-bottom:none;}
  .list-item .nm{font-weight:600;font-size:14px;}
  .list-item .meta{font-size:12px;color:var(--ink-soft);}

  .back{background:none;border:none;color:var(--ink-soft);font-size:12px;text-transform:uppercase;letter-spacing:.06em;font-weight:600;margin-bottom:14px;padding:0;}
  .back:hover{color:var(--ink);}
  .detail-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap;margin-bottom:18px;}
  .status-row{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 20px;}
  .status-btn{padding:8px 14px;border:1px solid var(--line);background:var(--surface-2);border-radius:20px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;font-weight:700;color:var(--ink-soft);}
  .status-btn.current{border-color:var(--ink);color:var(--ink);background:var(--surface);}
  .status-btn.current::before{content:"● ";color:var(--accent);}
  .status-btn:disabled{opacity:.35;cursor:not-allowed;}

  .timeline{border-left:2px solid var(--line);padding-left:18px;margin-left:6px;}
  .tl-item{position:relative;padding-bottom:18px;}
  .tl-item::before{content:"";position:absolute;left:-24px;top:3px;width:9px;height:9px;border-radius:50%;background:var(--accent);}
  .tl-item .tl-date{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--ink-soft);}
  .tl-item .tl-text{font-size:14px;margin-top:2px;}

  .tag{width:340px;background:var(--surface-2);border:2px solid var(--ink);border-radius:8px;padding:0;overflow:hidden;position:relative;}
  .tag-notch{position:absolute;top:50%;left:-10px;width:20px;height:20px;background:var(--bg);border:2px solid var(--ink);border-radius:50%;transform:translateY(-50%);}
  .tag-head{background:var(--ink);color:var(--surface);padding:10px 18px;display:flex;justify-content:space-between;align-items:center;}
  .tag-head .name{font-family:'Big Shoulders Display',sans-serif;font-weight:800;font-size:16px;}
  .tag-head .osnum{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--accent);}
  .tag-body{padding:16px 18px;}
  .tag-row{display:flex;justify-content:space-between;font-size:12px;padding:5px 0;border-bottom:1px dashed var(--line);}
  .tag-row .k{color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em;font-size:10px;}
  .tag-row .v{font-weight:600;}
  .tag-qr{display:flex;justify-content:center;padding:14px 0 4px;}
  .tag-foot{text-align:center;font-size:9px;color:var(--ink-soft);letter-spacing:.1em;text-transform:uppercase;padding-bottom:12px;}
  .perf{height:0;border-top:2px dashed var(--line);margin:0 18px;}

  .tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin-top:6px;}
  .tpl-btn{padding:14px 10px;border:1px solid var(--line);background:var(--surface-2);border-radius:var(--radius);text-align:center;font-size:13px;font-weight:600;}
  .tpl-btn:hover{border-color:var(--accent);}
  .tpl-btn.sel{border-color:var(--accent);background:#FCEBE1;color:var(--accent);}

  .inline-form{margin-top:10px;padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);}
  .auth-wrap{max-width:420px;margin:70px auto;}
  .auth-note{font-size:11px;color:var(--ink-soft);margin-top:12px;line-height:1.5;}
  .err{color:var(--danger);font-size:12px;margin-top:10px;}

  .subnav{display:flex;gap:6px;margin-bottom:20px;border-bottom:1px solid var(--line);}
  .subnav button{background:none;border:none;padding:9px 4px;margin-right:18px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);border-bottom:2px solid transparent;}
  .subnav button.active{color:var(--ink);border-bottom-color:var(--accent);}
  .switch-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line);}
  .switch-row:last-child{border-bottom:none;}
  .switch-row .lbl2{font-size:14px;font-weight:600;}
  .switch-row .sub2{font-size:12px;color:var(--ink-soft);margin-top:2px;}
  .toggle{position:relative;width:46px;height:26px;border-radius:20px;background:var(--line);border:none;flex:none;cursor:pointer;}
  .toggle.on{background:var(--accent);}
  .toggle::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:.15s;}
  .toggle.on::after{left:23px;}
  .swatches{display:flex;gap:10px;margin-top:8px;}
  .swatch{width:34px;height:34px;border-radius:50%;border:2px solid transparent;cursor:pointer;}
  .swatch.sel{border-color:var(--ink);}
  .toast{position:fixed;bottom:20px;right:20px;background:var(--danger);color:#fff;padding:10px 16px;border-radius:var(--radius);font-size:13px;z-index:1200;box-shadow:0 4px 14px rgba(0,0,0,.25);max-width:320px;}
  .print-offscreen{position:fixed;top:-10000px;left:0;background:#fff;}

  @media print{
    body *{visibility:hidden;}
    #print-tag,#print-tag *,#print-ficha,#print-ficha *{visibility:visible;}
    #print-tag{position:absolute;top:20px;left:20px;}
    #print-ficha{position:absolute;top:0;left:0;width:100%;}
  }

  @media (max-width:640px){
    #app{padding:0 12px 40px;}
    .topbar{padding:14px 0 10px;gap:8px;}
    .logo .mark{width:28px;height:28px;}
    .logo .name{font-size:20px;}
    .logo .sub{font-size:8px;}
    nav{gap:0;order:3;width:100%;justify-content:flex-start;overflow-x:auto;}
    nav button{padding:8px 10px;font-size:11px;white-space:nowrap;}
    .userbox{gap:8px;}
    .userbox .who{display:none;}
    h1.page-title{font-size:22px;}
    .page-sub{font-size:12px;margin-bottom:16px;}
    .panel{padding:16px;}
    .stat-grid{grid-template-columns:repeat(2,1fr);gap:10px;}
    .stat{padding:12px 14px;}
    .stat .num{font-size:26px;}
    .tpl-grid{grid-template-columns:repeat(2,1fr);}
    .row{gap:10px;}
    .col{min-width:100%;}
    .tag{width:100%;max-width:320px;}
    .detail-head{flex-direction:column;align-items:stretch;gap:10px;}
    .detail-head button{width:100%;justify-content:center;}
    .os-card{flex-wrap:wrap;}
    .subnav{overflow-x:auto;}
    .btn{padding:10px 14px;}
    .list-item{flex-wrap:wrap;gap:6px;}
  }