:root{
    --bg:#f5f6f8; --panel:#ffffff; --ink:#1a2230; --muted:#6b7686;
    --line:#e6e9ef; --brand:#0b5cd8; --brand-d:#0847ab; --accent:#f5a623;
    --green:#1a9c5b; --amber:#c47f10; --red:#c8352a; --chip:#eef2f9;
    --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);
  }
  *{box-sizing:border-box}
  html,body{margin:0;height:100%}
  body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    background:var(--bg);color:var(--ink);font-size:14px;-webkit-font-smoothing:antialiased}
  button{font-family:inherit;cursor:pointer}
  a{color:var(--brand)}
  .app{display:flex;min-height:100vh}
  /* Sidebar */
  .side{width:224px;background:#0e1726;color:#cbd5e5;flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
  .brand{display:flex;align-items:center;gap:10px;padding:18px 18px 16px}
  .logo{width:34px;height:34px;border-radius:8px;background:#fff;padding:5px;
    display:grid;place-items:center}
  .brand b{color:#fff;font-size:15px;display:block;line-height:1.1}
  .brand span{font-size:11px;color:#8595ad}
  .nav{padding:8px;overflow-y:auto}
  .nav button{width:100%;text-align:left;background:none;border:0;color:#aab6c9;padding:9px 12px;border-radius:8px;
    display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:500}
  .nav button:hover{background:#182338;color:#fff}
  .nav button.on{background:var(--brand);color:#fff}
  .nav .ico{width:18px;text-align:center;opacity:.9}
  .side .foot{margin-top:auto;padding:12px 14px;border-top:1px solid #1b2740}
  .side .foot label{color:#8595ad;font-size:10.5px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
  .side .foot select{background:#182338;border:1px solid #263450;color:#e7edf6;font-size:12.5px;padding:7px 8px;border-radius:7px}
  .side .foot .role{font-size:10.5px;color:#6b7a94;margin-top:6px}
  /* Main */
  .main{flex:1;min-width:0;display:flex;flex-direction:column}
  .top{background:var(--panel);border-bottom:1px solid var(--line);padding:14px 24px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:5}
  .top h1{font-size:17px;margin:0;font-weight:700}
  .top .sub{color:var(--muted);font-size:12.5px}
  .spacer{flex:1}
  .wrap{padding:22px 24px;max-width:1140px;width:100%}
  /* Buttons */
  .btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 13px;border-radius:8px;font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:7px}
  .btn:hover{background:#f3f5f9}
  .btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
  .btn.primary:hover{background:var(--brand-d)}
  .btn.ghost{background:none;border-color:transparent;color:var(--muted)}
  .btn.sm{padding:5px 10px;font-size:12px;border-radius:7px}
  .btn.danger{color:var(--red);border-color:#f0d4d1}
  .btn:disabled{opacity:.5;cursor:not-allowed}
  .seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
  .seg button{border:0;background:#fff;padding:7px 14px;font-size:13px;font-weight:600;color:var(--muted)}
  .seg button.on{background:var(--brand);color:#fff}
  /* Cards / grid */
  .cards{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:22px}
  .card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:15px;box-shadow:var(--shadow)}
  .card .k{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
  .card .v{font-size:24px;font-weight:800;margin-top:6px}
  .card .m{font-size:12px;color:var(--muted);margin-top:2px}
  .col2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  /* Panel + table */
  .panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}
  .panel .ph{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}
  .panel .ph h2{font-size:14px;margin:0}
  table{width:100%;border-collapse:collapse}
  th{ text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);padding:10px 16px;border-bottom:1px solid var(--line);font-weight:700}
  td{padding:11px 16px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:middle}
  tr:last-child td{border-bottom:0}
  tr.row:hover{background:#fafbfd;cursor:pointer}
  .num{font-variant-numeric:tabular-nums}
  .right{text-align:right}
  .muted{color:var(--muted)}
  .empty{padding:36px;text-align:center;color:var(--muted)}
  /* status chips */
  .chip{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:700;background:var(--chip);color:#40506a}
  .chip .dot{width:7px;height:7px;border-radius:50%;background:currentColor}
  .chip.draft{background:#eef1f6;color:#5b6879}
  .chip.sent{background:#e7f0ff;color:#1667d6}
  .chip.accepted,.chip.paid,.chip.complete,.chip.invoiced{background:#e3f6ec;color:#128a4f}
  .chip.progress,.chip.scheduled{background:#fef2df;color:#b9780c}
  .chip.hold{background:#efe9fb;color:#6b45c7}
  .chip.overdue,.chip.declined{background:#fdeae8;color:#c8352a}
  .chip.js-green{background:#e3f6ec;color:#128a4f}
  .chip.js-blue{background:#e7f0ff;color:#1667d6}
  .chip.js-amber{background:#fef2df;color:#b9780c}
  .chip.js-red{background:#fdeae8;color:#c8352a}
  .chip.js-white{background:#fff;color:#40506a;box-shadow:inset 0 0 0 1px #d4dae4}
  /* avatars */
  .av{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;color:#fff;font-size:10.5px;font-weight:800;border:2px solid #fff}
  .avs{display:inline-flex}
  .avs .av:not(:first-child){margin-left:-7px}
  /* Forms */
  label{display:block;font-size:12px;font-weight:700;color:#41506a;margin:0 0 5px}
  input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:13.5px;font-family:inherit;background:#fff;color:var(--ink)}
  input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,92,216,.12)}
  .field{margin-bottom:14px}
  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
  .li-row{display:grid;grid-template-columns:1fr 78px 96px 96px 30px;gap:8px;align-items:center;margin-bottom:8px}
  .li-head{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:700}
  .li-row .x{border:0;background:none;color:var(--muted);font-size:18px;line-height:1}
  .li-row .x:hover{color:var(--red)}
  .li-grip{width:18px;flex:0 0 18px;text-align:center;cursor:grab;color:var(--muted);user-select:none;padding-top:9px;font-size:13px;letter-spacing:-2px}
  .li-grip:active{cursor:grabbing}
  .li-block.dragover{outline:2px dashed var(--brand);outline-offset:2px;border-radius:8px}
  .totbox{margin-top:10px;margin-left:auto;width:260px;font-size:13.5px}
  .totbox .t{display:flex;justify-content:space-between;padding:5px 0}
  .totbox .t.g{border-top:1px solid var(--line);margin-top:6px;padding-top:10px;font-weight:800;font-size:16px}
  .staffpick{display:flex;flex-wrap:wrap;gap:8px}
  .staffpick label{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);padding:6px 11px 6px 8px;border-radius:20px;font-weight:600;color:var(--ink);cursor:pointer;margin:0}
  .staffpick label.on{border-color:var(--brand);background:#eef4ff}
  .staffpick input{width:auto;margin:0}
  /* Modal */
  .overlay{position:fixed;inset:0;background:rgba(15,22,36,.5);display:none;align-items:flex-start;justify-content:center;padding:36px 16px;z-index:40;overflow:auto}
  .overlay.on{display:flex}
  .modal{background:#fff;border-radius:14px;width:100%;max-width:720px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
  .modal.wide{max-width:820px}
  .modal .mh{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--line)}
  .modal .mh h3{margin:0;font-size:16px}
  .modal .mb{padding:20px}
  .modal .mf{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;background:#fafbfd;border-radius:0 0 14px 14px;flex-wrap:wrap}
  .close{margin-left:auto;border:0;background:none;font-size:22px;color:var(--muted);line-height:1}
  /* Toast */
  .toasts{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;gap:10px}
  .toast{background:#0e1726;color:#fff;padding:12px 15px;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.25);font-size:13px;max-width:340px;display:flex;gap:10px;align-items:flex-start;animation:pop .25s ease}
  .toast .ti{font-size:16px}
  .toast b{display:block;margin-bottom:2px}
  @keyframes pop{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}
  /* Document */
  .doc{background:#fff;color:#1a2230;padding:0}
  .doc .dh{display:flex;justify-content:space-between;align-items:flex-start;padding:6px 2px 18px;border-bottom:2px solid var(--brand)}
  .doc .dh .co b{font-size:19px}
  .doc .dh .co .l{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#3b8bff);display:grid;place-items:center;color:#fff;font-weight:800;margin-bottom:8px}
  .doc .dh .meta{text-align:right;font-size:12.5px;color:var(--muted)}
  .doc .dh .meta .big{font-size:24px;font-weight:800;color:var(--ink);letter-spacing:.5px}
  .doc .parties{display:flex;justify-content:space-between;margin:18px 2px;font-size:13px}
  .doc h4{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:0 0 5px}
  .doc table{margin-top:6px}
  .doc td,.doc th{padding:9px 4px}
  .doc .notes{margin-top:18px;font-size:12.5px;color:#48566b;background:#f7f9fc;padding:12px 14px;border-radius:8px}
  .flex{display:flex;align-items:center;gap:10px}
  .tag{font-size:11px;color:var(--muted)}
  .stepper{display:flex;gap:6px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
  .stepper .s{padding:4px 10px;border-radius:20px;background:#eef1f6}
  .stepper .s.on{background:var(--brand);color:#fff;font-weight:700}
  .stepper .arw{color:#c2cad6}
  /* Calendar */
  .caltop{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
  .caltop .lbl{font-size:15px;font-weight:700;min-width:190px}
  .legend{display:flex;gap:12px;flex-wrap:wrap;margin-left:auto;font-size:12px;color:var(--muted);align-items:center}
  .legend .li{display:inline-flex;align-items:center;gap:6px}
  .legend .sw{width:10px;height:10px;border-radius:3px}
  .cal{background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}
  .cal-head{display:grid;border-bottom:1px solid var(--line)}
  .cal-head .gut{border-right:1px solid var(--line)}
  .cal-head .dh{padding:9px 8px;text-align:center;font-size:12px;font-weight:700;border-right:1px solid var(--line)}
  .cal-head .dh.tod{background:#eef4ff;color:var(--brand)}
  .cal-head .dh small{display:block;font-weight:500;color:var(--muted);font-size:11px}
  .cal-body{display:grid;position:relative;max-height:600px;overflow-y:auto}
  .cal-gut{border-right:1px solid var(--line)}
  .cal-gut .hr{height:46px;font-size:10.5px;color:var(--muted);text-align:right;padding:2px 6px 0 0;box-sizing:border-box}
  .cal-col{border-right:1px solid var(--line);position:relative}
  .cal-col .slot{height:46px;border-bottom:1px solid #f0f2f6}
  .cal-col.tod{background:#f8fbff}
  .cal-col.dragover{background:#eaf2ff;box-shadow:inset 0 0 0 2px var(--brand)}
  .cal-ev{position:absolute;left:4px;right:4px;border-radius:7px;padding:5px 7px;color:#22303f;font-size:11.5px;overflow:hidden;cursor:pointer;
    border-left:4px solid var(--brand);background:#eef4ff;box-shadow:0 1px 2px rgba(0,0,0,.08);line-height:1.25}
  .cal-ev b{display:block;font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .cal-ev span{color:var(--muted);font-size:10.5px}
  .cal-ev .who{margin-top:2px;display:flex;gap:3px}
  .cal-ev.drag{cursor:grab}
  .cal-ev.drag:active{cursor:grabbing}
  .cal-resize{position:absolute;left:0;right:0;bottom:0;height:6px;cursor:ns-resize;border-radius:0 0 7px 7px;z-index:2}
  .cal-resize.top{top:0;bottom:auto;border-radius:7px 7px 0 0}
  .cal-resize:hover{background:rgba(0,0,0,.12)}
  .cal-ev b,.cal-ev span{position:relative;z-index:1}
  .cal-ev .who .av{width:16px;height:16px;font-size:8px;border-width:1px}
  /* Files: photos & notes */
  .fileblk{border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:10px}
  .fileblk h5{margin:0 0 9px;font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
  .photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px}
  .photo{position:relative;border-radius:8px;overflow:hidden;border:1px solid var(--line);aspect-ratio:1;cursor:pointer;background:#f0f2f6}
  .photo img{width:100%;height:100%;object-fit:cover;display:block}
  .photo .rm{position:absolute;top:3px;right:3px;background:rgba(15,22,36,.7);color:#fff;border:0;border-radius:50%;width:20px;height:20px;font-size:13px;line-height:1;display:none}
  .photo:hover .rm{display:block}
  .photo .cap{position:absolute;left:0;right:0;bottom:0;background:rgba(15,22,36,.6);color:#fff;font-size:9px;padding:2px 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .logitem{border-left:3px solid var(--line);padding:4px 0 4px 10px;margin-bottom:8px;font-size:13px}
  .logitem .meta{font-size:11px;color:var(--muted)}
  .doclist{display:flex;align-items:center;gap:10px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;margin-bottom:8px}
  .hide{display:none!important}
  /* Messages */
  .msgc{display:flex;align-items:center;gap:10px;padding:11px 14px;border-bottom:1px solid var(--line);cursor:pointer}
  .msgc:hover{background:#fafbfd}
  .msgc.on{background:#eef4ff}
  .bubble{max-width:72%;padding:8px 12px;border-radius:13px;font-size:13.5px;line-height:1.35}
  .bubble .t{font-size:10px;opacity:.7;margin-top:3px}
  /* Certificate doc */
  .cert .assess{display:inline-block;padding:6px 14px;border-radius:8px;font-weight:800;letter-spacing:.5px}
  .cert .assess.ok{background:#e3f6ec;color:#128a4f;border:1px solid #b6e6ca}
  .cert .assess.no{background:#fdeae8;color:#c8352a;border:1px solid #f3c8c3}
  .cert .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;font-size:12px;margin:10px 0}
  .cert .box{border:1px solid var(--line);border-radius:8px;padding:8px}
  .cert .box b{display:block;font-size:11px;color:var(--muted);font-weight:700}
  .cert .code{display:inline-block;min-width:34px;text-align:center;font-weight:800;border-radius:5px;padding:2px 6px;font-size:12px}
  .cert .code.C1{background:#fdeae8;color:#c8352a}.cert .code.C2{background:#fef2df;color:#b9780c}
  .cert .code.C3{background:#e7f0ff;color:#1667d6}.cert .code.FI{background:#efe9fb;color:#6b45c7}
  .cert .sign{margin-top:20px;display:flex;justify-content:space-between;gap:20px}
  .cert .sign .s{flex:1;border-top:1px solid #333;padding-top:6px;font-size:12px}
  /* mobile nav toggle */
  .navtoggle{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;font-size:18px;padding:3px 11px;line-height:1;color:var(--ink)}
  .navback{display:none}
  @media print{ .side,.top,.mf,.no-print,.navtoggle{display:none!important} .overlay{position:static;background:none;padding:0} .modal{box-shadow:none;max-width:none} .mh{display:none} }
  /* Tablet */
  @media(max-width:1000px){ .cards{grid-template-columns:1fr 1fr} .col2{grid-template-columns:1fr} .side{width:200px} .wrap{padding:20px} }
  /* Mobile / small tablet — slide-in drawer nav */
  @media(max-width:820px){
    .navtoggle{display:inline-flex;align-items:center;flex-shrink:0}
    .side{position:fixed;left:0;top:0;height:100vh;z-index:50;width:230px;transform:translateX(-100%);transition:transform .22s ease;box-shadow:0 12px 44px rgba(0,0,0,.4)}
    body.nav-open .side{transform:none}
    body.nav-open .navback{display:block;position:fixed;inset:0;background:rgba(15,22,36,.45);z-index:45}
    .top{padding:11px 14px;gap:12px}
    .top h1{font-size:16px}
    .wrap{padding:16px 14px}
    .grid2,.grid3,.col2{grid-template-columns:1fr}
    .totbox{width:100%}
    .modal .mb{padding:16px}
    .modal .mf{padding:12px 16px}
    .overlay{padding:14px 8px}
    .panel{overflow-x:auto}
    table{min-width:600px}
    .cal{overflow-x:auto}
    .cal-head,.cal-body{min-width:640px}
    .parties,.doc .parties,.doc .dh{flex-direction:column;gap:12px}
  }
  /* Phones */
  @media(max-width:520px){
    .cards{grid-template-columns:1fr 1fr;gap:10px}
    .card .v{font-size:20px}
    .card{padding:12px}
    .btn{padding:7px 10px;font-size:12.5px}
    .wrap{padding:14px 11px}
    .caltop{gap:8px}
    .legend{margin-left:0;width:100%}
    .cal-body{max-height:460px}
    .bubble{max-width:84%}
    .modal .mh h3{font-size:15px}
  }