:root{
    --bg:#EEF1F0;
    --surface:#FFFFFF;
    --surface-2:#F5F7F6;
    --ink:#16221D;
    --ink-soft:#5B6B64;
    --line:#DCE3E0;
    --accent:#1F6F54;
    --accent-ink:#FFFFFF;
    --amber:#C6862B;
    --amber-bg:#FBF0DE;
    --green:#2E8B57;
    --green-bg:#E4F3EA;
    --red:#C0453A;
    --red-bg:#FBE9E7;
    --slate:#4B5A66;
    --slate-bg:#E7ECEF;
    --shadow: 0 1px 2px rgba(20,30,25,0.06), 0 6px 16px rgba(20,30,25,0.06);
    --radius: 14px;
    --font-head: 'Fraunces', Georgia, serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  }
  [data-theme="dark"]{
    --bg:#0F1512;
    --surface:#182019;
    --surface-2:#1E2721;
    --ink:#EAF1EC;
    --ink-soft:#8FA096;
    --line:#2A342E;
    --accent:#4FBE8F;
    --accent-ink:#0F1512;
    --amber:#E3A94B;
    --amber-bg:#2E2716;
    --green:#54C285;
    --green-bg:#16281F;
    --red:#E5766A;
    --red-bg:#2E1917;
    --slate:#9FB0BC;
    --slate-bg:#1C262C;
    --shadow: 0 1px 2px rgba(0,0,0,0.4), 0 8px 20px rgba(0,0,0,0.35);
  }
  *{box-sizing:border-box;}
  html,body{height:100%;}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;overflow:hidden;}
  #app{max-width:480px;margin:0 auto;height:100vh;height:100dvh;display:flex;flex-direction:column;position:relative;background:var(--bg);box-shadow:0 0 40px rgba(0,0,0,0.15);}

  .topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 10px;background:var(--bg);flex-shrink:0;z-index:20;}
  .brand{display:flex;align-items:center;gap:9px;}
  .brand-mark{width:32px;height:32px;border-radius:9px;background:var(--accent);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-weight:700;font-size:16px;flex-shrink:0;}
  .brand-name{font-family:var(--font-head);font-weight:600;font-size:19px;letter-spacing:0.2px;}
  .top-actions{display:flex;align-items:center;gap:6px;}
  .icon-btn{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--surface);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);transition:background .15s ease, transform .1s ease;position:relative;}
  .icon-btn:active{transform:scale(0.92);}
  .icon-btn svg{width:18px;height:18px;}
  .icon-btn.spinning svg{animation:spin 0.9s linear;}
  @keyframes spin{ to{ transform:rotate(360deg); } }
  .sync-dot{position:absolute; top:-2px; right:-2px; width:8px;height:8px;border-radius:50%; background:var(--green); border:2px solid var(--bg);}

  .subtabs{display:flex;gap:6px;padding:2px 16px 12px;overflow-x:auto;flex-shrink:0;scrollbar-width:none;}
  .subtabs::-webkit-scrollbar{display:none;}
  .subtab{flex-shrink:0;padding:8px 14px;border-radius:999px;font-size:13.5px;font-weight:600;color:var(--ink-soft);background:var(--surface);border:1px solid var(--line);cursor:pointer;white-space:nowrap;transition:all .15s ease;}
  .subtab.active{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
  .subtab .count{display:inline-block;margin-left:6px;font-size:11.5px;opacity:0.85;}

  .content{flex:1;overflow-y:auto;padding:4px 16px 96px;-webkit-overflow-scrolling:touch;}
  .page-title{font-family:var(--font-head);font-size:22px;font-weight:600;margin:6px 2px 14px;display:flex;align-items:center;justify-content:space-between;}
  .empty-state{text-align:center;padding:60px 20px;color:var(--ink-soft);}
  .empty-state .glyph{font-size:34px;margin-bottom:10px;display:block;}
  .empty-state p{margin:0;font-size:14px;line-height:1.5;}

  .card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden;border:1px solid var(--line);}
  .card-head{padding:14px 16px 10px;display:flex;justify-content:space-between;align-items:flex-start;gap:10px;}
  .card-head .co-name{font-weight:700;font-size:16px;line-height:1.25;}
  .card-head .co-sub{font-size:12.5px;color:var(--ink-soft);margin-top:2px;}
  .chip-col{display:flex;flex-direction:column;align-items:flex-end;gap:4px;}
  .priority-chip{font-size:11px;font-weight:700;padding:4px 9px;border-radius:999px;flex-shrink:0;white-space:nowrap;}
  .priority-low{background:var(--green-bg);color:var(--green);}
  .priority-medium{background:var(--amber-bg);color:var(--amber);}
  .priority-high{background:var(--red-bg);color:var(--red);}
  .stage-chip{font-size:10px;font-weight:700;padding:3px 8px;border-radius:999px;background:var(--slate-bg);color:var(--slate);white-space:nowrap;text-transform:uppercase;letter-spacing:.3px;}

  .stat-row{display:flex;padding:0 16px 12px;gap:8px;}
  .stat-box{flex:1;background:var(--surface-2);border-radius:10px;padding:8px 8px;text-align:center;}
  .stat-box .num{font-size:15px;font-weight:700;}
  .stat-box .lbl{font-size:10px;color:var(--ink-soft);margin-top:1px;}

  .card-body{padding:2px 16px 6px;border-top:1px solid var(--line);}
  .item-row{display:flex;align-items:center;gap:8px;padding:9px 0;border-bottom:1px dashed var(--line);}
  .item-row:last-child{border-bottom:none;}
  .item-check{width:20px;height:20px;border-radius:6px;border:2px solid var(--line);flex-shrink:0;cursor:pointer;display:flex;align-items:center;justify-content:center;background:var(--surface);transition:all .12s ease;}
  .item-check.checked{background:var(--accent);border-color:var(--accent);}
  .item-check svg{width:12px;height:12px;stroke:var(--accent-ink);display:none;}
  .item-check.checked svg{display:block;}
  .item-name{flex:1;font-size:14px;font-weight:500;min-width:0;}
  .item-name.done{color:var(--ink-soft);}
  .item-name .sub{font-size:11px;color:var(--ink-soft);font-weight:400;margin-top:1px;}
  .qty-col{display:flex;flex-direction:column;align-items:center;gap:2px;flex-shrink:0;}
  .qty-col label{font-size:9px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.3px;}
  .qty-input{width:50px;flex-shrink:0;text-align:center;border:1px solid var(--line);border-radius:8px;padding:6px 4px;font-size:13.5px;font-weight:600;background:var(--surface-2);color:var(--ink);font-family:inherit;}
  .qty-input:disabled{opacity:0.55;background:var(--surface);}
  .rate-input{width:56px;border:1px solid var(--line);border-radius:7px;padding:6px 5px;font-size:12.5px;background:var(--surface-2);color:var(--ink);text-align:right;font-family:inherit;}
  .amount-tag{font-size:12.5px;font-weight:700;min-width:60px;text-align:right;}
  .remove-item{width:22px;height:22px;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:var(--ink-soft);cursor:pointer;border-radius:6px;}
  .add-item-row{display:flex;gap:8px;padding:10px 0 6px;}
  .add-item-row input{flex:1;border:1px solid var(--line);border-radius:9px;padding:8px 10px;font-size:13.5px;background:var(--surface-2);color:var(--ink);font-family:inherit;}
  .add-item-row button{border:none;background:var(--slate-bg);color:var(--slate);border-radius:9px;padding:0 14px;font-weight:700;font-size:13px;cursor:pointer;}

  .card-meta{padding:12px 16px;display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;border-top:1px solid var(--line);}
  .meta-field label{display:block;font-size:10.5px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.4px;margin-bottom:3px;}
  .meta-field input, .meta-field select{width:100%;border:1px solid var(--line);border-radius:8px;padding:7px 8px;font-size:13px;background:var(--surface-2);color:var(--ink);font-family:inherit;}
  .meta-field input:disabled{opacity:0.55;}

  .card-foot{display:flex;align-items:center;justify-content:space-between;padding:12px 16px 14px;border-top:1px solid var(--line);gap:10px;flex-wrap:wrap;}
  .foot-info{font-size:12.5px;color:var(--ink-soft);}
  .foot-info b{color:var(--ink);font-size:13.5px;}
  .foot-actions{display:flex;gap:8px;}
  .btn{border:none;border-radius:10px;padding:9px 14px;font-weight:700;font-size:13px;cursor:pointer;transition:transform .1s ease, opacity .15s ease;}
  .btn:active{transform:scale(0.96);}
  .btn-primary{background:var(--accent);color:var(--accent-ink);}
  .btn-ghost{background:var(--surface-2);color:var(--ink);border:1px solid var(--line);}
  .btn-disabled{opacity:0.4;pointer-events:none;}
  .btn-danger{background:var(--red-bg);color:var(--red);}
  .btn-small{padding:6px 10px;font-size:12px;border-radius:8px;}

  .ready-banner{margin:0 16px 12px;padding:8px 12px;border-radius:10px;background:var(--green-bg);color:var(--green);font-size:12.5px;font-weight:700;display:flex;align-items:center;gap:6px;}
  .locked-banner{margin:0 16px 12px;padding:8px 12px;border-radius:10px;background:var(--slate-bg);color:var(--slate);font-size:12px;font-weight:600;display:flex;align-items:center;gap:6px;}
  .paystatus{margin:10px 16px 0;padding:8px 12px;border-radius:10px;font-size:12.5px;font-weight:700;display:flex;align-items:center;gap:6px;}
  .paystatus.advance{background:var(--amber-bg);color:var(--amber);}
  .paystatus.partial{background:var(--amber-bg);color:var(--amber);}
  .paystatus.full{background:var(--green-bg);color:var(--green);}
  .paystatus.over{background:var(--slate-bg);color:var(--slate);}
  .paystatus.none{background:var(--slate-bg);color:var(--slate);}

  .pay-history{padding:2px 16px 4px;border-top:1px solid var(--line);}
  .pay-entry{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--line);gap:8px;}
  .pay-entry:last-child{border-bottom:none;}
  .pay-entry .pe-main{font-size:13.5px;font-weight:700;}
  .pay-entry .pe-sub{font-size:11.5px;color:var(--ink-soft);margin-top:1px;}
  .pay-entry .pe-del{color:var(--ink-soft);cursor:pointer;width:20px;height:20px;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
  .no-pay{padding:10px 0;font-size:12.5px;color:var(--ink-soft);text-align:center;}

  .add-pay-row{padding:12px 16px 14px;border-top:1px solid var(--line);}
  .add-pay-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:8px;}
  .add-pay-grid input, .add-pay-grid select{border:1px solid var(--line);border-radius:8px;padding:8px 9px;font-size:13px;background:var(--surface-2);color:var(--ink);font-family:inherit;width:100%;}
  .add-pay-btn{width:100%;}

  .bottomnav{position:absolute;bottom:0;left:0;right:0;height:76px;background:var(--surface);border-top:1px solid var(--line);display:flex;align-items:flex-start;justify-content:space-around;padding-top:9px;z-index:30;}
  .nav-item{display:flex;flex-direction:column;align-items:center;gap:3px;width:70px;cursor:pointer;color:var(--ink-soft);background:none;border:none;font-family:inherit;}
  .nav-item svg{width:22px;height:22px;}
  .nav-item span{font-size:10.5px;font-weight:600;}
  .nav-item.active{color:var(--accent);}
  .fab{position:absolute;left:50%;top:-24px;transform:translateX(-50%);width:56px;height:56px;border-radius:50%;background:var(--accent);color:var(--accent-ink);border:5px solid var(--bg);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(31,111,84,0.4);cursor:pointer;}
  .fab svg{width:24px;height:24px;}
  .fab:active{transform:translateX(-50%) scale(0.94);}

  .overlay{position:absolute;inset:0;background:rgba(10,15,12,0.45);z-index:50;display:none;}
  .overlay.open{display:block;}
  .sheet{position:absolute;left:0;right:0;bottom:0;max-height:88%;background:var(--surface);border-radius:20px 20px 0 0;padding:14px 18px 22px;transform:translateY(100%);transition:transform .25s ease;overflow-y:auto;z-index:51;}
  .overlay.open .sheet{transform:translateY(0);}
  .sheet-handle{width:38px;height:4px;background:var(--line);border-radius:99px;margin:0 auto 14px;}
  .sheet h3{font-family:var(--font-head);font-size:19px;margin:0 0 14px;}
  .field{margin-bottom:12px;}
  .field label{display:block;font-size:11px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.4px;margin-bottom:5px;}
  .field input, .field select{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 11px;font-size:14px;background:var(--surface-2);color:var(--ink);font-family:inherit;}
  .field-row{display:flex;gap:10px;}
  .field-row .field{flex:1;}
  .sheet-item-row{display:flex;gap:8px;align-items:center;margin-bottom:8px;}
  .sheet-item-row input{border:1px solid var(--line);border-radius:9px;padding:8px 9px;font-size:13.5px;background:var(--surface-2);color:var(--ink);font-family:inherit;}
  .sheet-item-row input.name-input{flex:1;}
  .sheet-item-row input.qty-input2{width:64px;text-align:center;}
  .sheet-actions{display:flex;gap:10px;margin-top:16px;}
  .sheet-actions .btn{flex:1;text-align:center;}
  .hint{font-size:11.5px;color:var(--ink-soft);margin:-6px 0 12px;}

  .settings-group{margin-bottom:22px;}
  .settings-group h4{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--ink-soft);margin:0 0 8px 2px;display:flex;justify-content:space-between;align-items:center;}
  .settings-group h4 button{border:none;background:none;color:var(--accent);font-weight:700;font-size:12px;cursor:pointer;text-transform:none;letter-spacing:0;}
  .setting-row{display:flex;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:8px;gap:10px;}
  .setting-row .s-main{font-size:13.5px;font-weight:600;}
  .setting-row .s-sub{font-size:11.5px;color:var(--ink-soft);margin-top:2px;}
  .setting-row .s-actions{display:flex;gap:6px;flex-shrink:0;}
  .toggle-row{display:flex;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;}
  .switch{width:42px;height:24px;border-radius:99px;background:var(--line);position:relative;cursor:pointer;flex-shrink:0;}
  .switch.on{background:var(--accent);}
  .switch .knob{position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;transition:left .15s ease;}
  .switch.on .knob{left:20px;}

  .toast{position:absolute;bottom:92px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:99px;font-size:12.5px;font-weight:600;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .2s ease, bottom .2s ease;z-index:80;white-space:nowrap;}
  .toast.show{opacity:1;bottom:100px;}