:root{
  --ink:#0b1220; --ink2:#334155; --mute:#64748b; --line:#cbd5e1; --soft:#f1f5f9; --bg:#ffffff;
  --accent:#0f3d91; --accent-ink:#ffffff; --ok:#15803d; --ok-bg:#ecfdf3; --warn:#b45309; --warn-bg:#fffbeb; --err:#b91c1c; --err-bg:#fef2f2;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.55 "Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;padding-bottom:48px}
.wrap{max-width:780px;margin:0 auto;padding:20px 16px}
h1{font-size:26px;margin:0}
h2{font-size:21px;margin:0 0 12px}
.brandbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:14px 0 18px;border-bottom:1px solid var(--line);margin-bottom:20px}
.brandbar .sub{color:var(--mute);font-size:15px}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}

/* voucher sheet */
.sheet{border:2px solid var(--ink);border-radius:6px;padding:22px 20px;margin-bottom:22px;background:#fff}
.pv-top{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap}
.pv-title{font-size:24px;font-weight:800;letter-spacing:.01em}
.pv-meta{margin:0;display:grid;gap:6px;min-width:220px}
.pv-meta div{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid var(--ink);padding-bottom:3px}
.pv-meta dt{color:var(--ink2)} .pv-meta dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums}
.pv-payto{margin:22px 0 18px;display:flex;gap:14px;align-items:baseline;flex-wrap:wrap}
.pv-payto span{font-style:italic;text-transform:uppercase;color:var(--ink2);font-size:15px;letter-spacing:.04em}
.pv-payto b{font-size:22px;border-bottom:1px solid var(--ink);padding-bottom:2px}
.pv-table{width:100%;border-collapse:collapse}
.pv-table th{text-align:left;font-size:15px;letter-spacing:.05em;text-transform:uppercase;border-top:3px solid var(--ink);border-bottom:3px solid var(--ink);padding:10px 4px}
.pv-table th.num{text-align:right}
.pv-table td{border-bottom:1px solid var(--line);padding:12px 4px;vertical-align:top}
.pv-table tfoot td{border-top:3px solid var(--ink);border-bottom:3px solid var(--ink);font-weight:800;font-size:20px}
.pv-remarks{margin:14px 0 0;color:var(--ink2);font-size:16px}

/* sections + fields */
.section{border:1px solid var(--line);border-radius:12px;padding:20px 18px;margin-bottom:18px}
.section h3{margin:0 0 4px;font-size:19px}
.section .help{color:var(--mute);font-size:16px;margin:0 0 14px}
label.f{display:block;font-weight:600;margin:14px 0 6px}
input.t,select.t,textarea.t{width:100%;font:inherit;font-size:18px;padding:14px;border:1.5px solid #94a3b8;border-radius:10px;background:#fff;color:var(--ink)}
input.t:focus,select.t:focus,textarea.t:focus{outline:3px solid #bfd3f7;border-color:var(--accent)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.req{color:var(--err)}

/* big checkboxes */
.checks{display:flex;gap:12px;flex-wrap:wrap}
.cbox{flex:1;min-width:140px;display:flex;align-items:center;gap:12px;border:2px solid var(--line);border-radius:12px;padding:16px;font-size:20px;font-weight:700;cursor:pointer;user-select:none}
.cbox input{width:28px;height:28px;accent-color:var(--accent);margin:0}
.cbox.on{border-color:var(--accent);background:#eef3fc}
.cbox.locked{cursor:default;opacity:.95}
.ack{display:flex;gap:14px;align-items:flex-start;font-size:17px;padding:4px 0}
.ack input{width:28px;height:28px;flex:none;accent-color:var(--accent);margin-top:2px}

/* signatures */
.sigblock .who{font-size:15px;color:var(--mute);text-transform:uppercase;letter-spacing:.05em}
.sigshow{height:110px;border-bottom:2px dotted var(--ink);display:flex;align-items:flex-end;padding-bottom:6px;margin:8px 0}
.sigshow img{max-height:100px;max-width:100%}
.signame{font-weight:700;font-size:19px}
.stamp{color:var(--ink2);font-size:15px}
.sigtabs{display:flex;gap:8px;margin:10px 0}
.sigtab{flex:1;font:inherit;font-size:16px;font-weight:600;padding:12px 6px;border:1.5px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;cursor:pointer}
.sigtab.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.sigpane{display:none}.sigpane.active{display:block}
.sigcanvas{width:100%;height:200px;border:2px solid #94a3b8;border-radius:12px;background:#fff;touch-action:none;display:block;cursor:crosshair}
.sighint{color:var(--mute);font-size:15px;margin-top:6px}
.sigtype{width:100%;font:inherit;font-size:18px;padding:14px;border:1.5px solid #94a3b8;border-radius:10px}
.sigtyped{min-height:84px;font:52px "Brush Script MT","Segoe Script","Snell Roundhand",cursive;padding:8px 4px;overflow:hidden;white-space:nowrap}
.uploadbox{display:block;border:2px dashed #94a3b8;border-radius:12px;padding:22px;text-align:center;color:var(--ink2);cursor:pointer}
.uploadbox input{display:block;margin:12px auto 0;font-size:16px;max-width:100%}
.sigupimg{display:none;max-height:120px;max-width:100%;margin-top:10px}
.linkbtn{background:none;border:none;color:var(--accent);font:inherit;font-size:16px;text-decoration:underline;padding:10px 0;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:56px;padding:0 24px;font:inherit;font-size:19px;font-weight:700;border-radius:12px;border:2px solid var(--accent);background:var(--accent);color:var(--accent-ink);cursor:pointer;text-decoration:none}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.ghost{background:#fff;color:var(--accent)}
.btn.wa{background:#128c4a;border-color:#128c4a}
.btn.danger{background:#fff;color:var(--err);border-color:#fca5a5}
.btn.block{width:100%}
.btn.sm{min-height:44px;font-size:16px;padding:0 14px;border-width:1.5px}
.btns{display:flex;gap:10px;flex-wrap:wrap}

.msg{border-radius:10px;padding:14px 16px;margin:14px 0;font-size:17px}
.msg.err{background:var(--err-bg);color:var(--err);border:1px solid #fecaca}
.msg.ok{background:var(--ok-bg);color:var(--ok);border:1px solid #bbf7d0}
.msg.warn{background:var(--warn-bg);color:var(--warn);border:1px solid #fde68a}
.hidden{display:none!important}

/* modal */
.modal{position:fixed;inset:0;background:rgba(11,18,32,.55);display:flex;align-items:flex-end;justify-content:center;z-index:50;padding:16px}
.modal .card{background:#fff;border-radius:16px;max-width:520px;width:100%;padding:24px 20px}
.modal h3{margin:0 0 8px;font-size:21px}
.modal p{margin:0 0 18px;color:var(--ink2)}
.modal .btns{flex-direction:column}
@media(min-width:640px){.modal{align-items:center}}

/* owner console */
.tabs{display:flex;gap:6px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.tabs button{font:inherit;font-size:17px;font-weight:600;padding:12px 16px;border:none;background:none;color:var(--mute);border-bottom:3px solid transparent;cursor:pointer}
.tabs button.active{color:var(--ink);border-bottom-color:var(--ink)}
.item{display:grid;grid-template-columns:1fr 150px 44px;gap:8px;margin-bottom:8px;align-items:center}
.item .x{min-height:52px;border:1.5px solid var(--line);background:#fff;border-radius:10px;font-size:20px;cursor:pointer;color:var(--mute)}
.totalline{display:flex;justify-content:space-between;font-size:20px;font-weight:800;border-top:2px solid var(--ink);padding-top:10px;margin-top:10px}
.linkbox{word-break:break-all;background:var(--soft);border-radius:10px;padding:14px;font-size:16px;margin:10px 0 14px;font-family:ui-monospace,Consolas,monospace}
.reg{border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px}
.reg .top{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:baseline}
.reg .no{font-weight:800;font-size:19px}
.reg .meta{color:var(--ink2);font-size:15px;margin:6px 0 12px}
.chip{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border-radius:999px;padding:3px 10px}
.chip.pending{background:var(--warn-bg);color:var(--warn)}
.chip.completed{background:var(--ok-bg);color:var(--ok)}
.chip.void{background:var(--soft);color:var(--mute)}

@media(max-width:600px){
  body{font-size:18px}
  .sheet{padding:18px 14px}
  .pv-meta{min-width:0;width:100%}
  .row2{grid-template-columns:1fr}
  .item{grid-template-columns:1fr 44px}
  .item .amt{grid-column:1}
  .item .x{grid-row:1 / span 2;grid-column:2;height:100%}
  .btns .btn{flex:1 1 100%}
}
@media print{.noprint{display:none!important}}