/* NextGen Technology Solutions — brand theme */
:root {
  --navy: #08121f;          /* page background */
  --navy-2: #0c1a2c;        /* cards */
  --navy-3: #082239;        /* glow / raised */
  --line: #1d3150;          /* hairlines */
  --line-strong: #2e4a70;   /* outline buttons, inputs */
  --blue: #0c73b9;          /* primary */
  --blue-hover: #0e82d0;
  --cyan: #00aced;          /* accent */
  --ink: #f2f6fb;           /* headings */
  --text: #c3d0e3;          /* body */
  --muted: #a6b6cc;
  --ok: #2fc48a; --ok-bg: rgba(47,196,138,.12);
  --warn: #ff6b5b; --warn-bg: rgba(255,107,91,.12);
  /* paper (the document itself stays white so it prints well) */
  --paper: #ffffff; --paper-ink: #0b1626; --paper-muted: #5a6b82; --paper-line: #dde5ef;
  --radius: 14px;
  --font: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --display: "Archivo", "IBM Plex Sans", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --script: "Dancing Script", "Brush Script MT", cursive;
}
* { box-sizing: border-box; }
html { background: var(--navy); }
body {
  margin: 0; color: var(--text); font: 16px/1.55 var(--font);
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(12,115,185,.22), transparent 60%),
    radial-gradient(rgba(46,74,112,.35) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--navy);
  min-height: 100vh;
}
a { color: var(--cyan); }
h1, h2, h3 { color: var(--ink); font-family: var(--display); letter-spacing: -.01em; }
h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; margin: 0 0 18px; line-height: 1.1; }
h2 { font-size: 1.2rem; font-weight: 700; margin: 0 0 12px; }
.eyebrow { font-family: var(--mono); color: var(--cyan); text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; margin: 0 0 8px; }

/* Header */
header.top {
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  padding: 14px 20px; border-bottom: 1px solid var(--line); background: rgba(8,18,31,.92);
  position: sticky; top: 0; z-index: 5; backdrop-filter: blur(6px);
}
.lockup { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.lockup img { height: 38px; width: auto; display: block; }
.lockup .name { font-family: var(--display); font-weight: 800; color: var(--ink); font-size: 1.25rem; line-height: 1; }
.lockup .tag { font-family: var(--mono); color: var(--muted); font-size: .62rem; letter-spacing: .2em; margin-top: 4px; }
header.top nav { display: flex; gap: 18px; flex-wrap: wrap; }
header.top nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
header.top nav a:hover, header.top nav a.on { color: var(--ink); }
header.top nav a.on { box-shadow: inset 0 -2px 0 var(--cyan); }

main { max-width: 980px; margin: 28px auto 60px; padding: 0 16px; }
.card { background: var(--navy-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin-bottom: 18px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.spread { justify-content: space-between; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }

label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 6px; font-weight: 500; }
input, select, textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line-strong); border-radius: 10px;
  font: inherit; background: var(--navy); color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,172,237,.2); }
textarea { min-height: 90px; }
input[type=checkbox] { accent-color: var(--blue); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: 999px; border: 2px solid var(--blue);
  background: var(--blue); color: #fff; font: 600 1rem var(--font); cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--blue-hover); border-color: var(--blue-hover); }
.btn.ghost { background: transparent; border-color: var(--line-strong); color: var(--ink); }
.btn.ghost:hover { border-color: var(--cyan); }
.btn.danger { background: transparent; border-color: var(--warn); color: var(--warn); }
.btn.small { padding: 6px 14px; font-size: .88rem; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn .arrow::after { content: "→"; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 .72rem var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
td a { color: var(--ink); font-weight: 600; }
td.num, th.num { text-align: right; white-space: nowrap; }
.table-wrap { overflow-x: auto; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font: 500 .72rem var(--mono); text-transform: uppercase; letter-spacing: .08em; background: rgba(166,182,204,.12); color: var(--muted); vertical-align: middle; }
.badge.sent, .badge.viewed { background: rgba(0,172,237,.14); color: var(--cyan); }
.badge.accepted, .badge.paid { background: var(--ok-bg); color: var(--ok); }
.badge.declined { background: var(--warn-bg); color: var(--warn); }

.flash { padding: 13px 16px; border-radius: 12px; margin-bottom: 18px; background: rgba(0,172,237,.1); border: 1px solid rgba(0,172,237,.35); color: var(--ink); }
.flash.error { background: var(--warn-bg); border-color: rgba(255,107,91,.45); }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
code { font-family: var(--mono); font-size: .8rem; word-break: break-all; }

/* ---------- The document (white paper) ---------- */
.doc { background: var(--paper); color: var(--paper-ink); border-radius: var(--radius); overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,.35); }
.doc h2, .doc h3 { color: var(--paper-ink); }
.doc-band { background: var(--navy); color: #fff; padding: 22px 32px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; border-bottom: 4px solid var(--cyan); }
.doc-band img.logo { height: 44px; width: auto; display: block; }
.doc-band .biz { display: flex; align-items: center; gap: 12px; }
.doc-band .biz-name { font: 800 1.15rem var(--display); color: #fff; line-height: 1.1; }
.doc-band .biz-sub { font: .66rem var(--mono); color: var(--muted); letter-spacing: .18em; text-transform: uppercase; margin-top: 3px; }
.doc-kind { font: 800 1.7rem var(--display); letter-spacing: .02em; text-align: right; color: #fff; }
.doc-kind small { display: block; font: 500 .75rem var(--mono); color: var(--cyan); letter-spacing: .12em; }
.doc-body { padding: 28px 32px 34px; }
.doc-parties { display: flex; justify-content: space-between; gap: 28px; flex-wrap: wrap; margin-bottom: 24px; }
.doc-parties .who { white-space: pre-line; }
.doc-label { font: 500 .7rem var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--blue); margin: 0 0 6px; }
.doc-meta { font-size: .92rem; }
.doc-meta div { display: flex; justify-content: space-between; gap: 18px; }
.doc-meta span:first-child { color: var(--paper-muted); }
.doc .table-wrap th, .doc .table-wrap td { border-bottom-color: var(--paper-line); color: var(--paper-ink); }
.doc .table-wrap th { color: var(--paper-muted); background: #f3f7fb; }
.totals { margin-left: auto; width: min(330px, 100%); margin-top: 12px; }
.totals td { border: none; padding: 5px 8px; color: var(--paper-ink); }
.totals tr.grand td { border-top: 2px solid var(--paper-ink); font: 800 1.2rem var(--display); padding-top: 10px; }
.totals tr.grand td.num { color: var(--blue); }
.doc-section { margin-top: 24px; white-space: pre-line; }
.doc-section h3 { font: 500 .7rem var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--blue); margin: 0 0 6px; }
.doc .pay { margin-top: 20px; }
.sigs { display: flex; gap: 36px; flex-wrap: wrap; margin-top: 40px; }
.sig { flex: 1 1 240px; }
.sig img { height: 80px; max-width: 100%; object-fit: contain; object-position: left bottom; display: block; }
.sig .line { border-top: 1px solid var(--paper-ink); padding-top: 6px; font-size: .86rem; }
.sig .line .muted { color: var(--paper-muted); }
.sig .empty { height: 80px; }

/* ---------- Signature field ---------- */
.seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 999px; padding: 3px; margin-bottom: 12px; }
.seg button { background: transparent; border: 0; color: var(--muted); font: 600 .9rem var(--font); padding: 7px 18px; border-radius: 999px; cursor: pointer; }
.seg button.on { background: var(--blue); color: #fff; }
.sig-box { background: #fff; border-radius: 12px; border: 2px dashed #b9c7d8; position: relative; }
.sig-type .preview { height: 130px; display: flex; align-items: center; padding: 0 20px; font: 600 3rem var(--script); color: #0b1626; overflow: hidden; white-space: nowrap; }
.sig-type .preview.empty { font: 1rem var(--font); color: #8a9ab0; }
.sig-box canvas { display: block; width: 100%; height: 170px; touch-action: none; cursor: crosshair; }
.sig-box .hint { position: absolute; left: 14px; bottom: 8px; color: #9aa9bd; font-size: .85rem; pointer-events: none; }
.sig-help { display: flex; justify-content: space-between; gap: 12px; font-size: .85rem; color: var(--muted); margin-top: 8px; }
.check { display: flex; gap: 10px; align-items: flex-start; color: var(--ink); font-size: .98rem; }
.check input { width: 18px; height: 18px; margin-top: 3px; flex: none; }
.audit { font-size: .82rem; color: var(--muted); }

td.nowrap { white-space: nowrap; }

@media (max-width: 640px) {
  .hide-sm { display: none; }
  main { margin: 16px auto 40px; }
  header.top { padding: 12px 16px; }
  .doc-band { padding: 18px; }
  .doc-body { padding: 20px 16px 26px; }
  .doc table th, .doc table td { padding: 8px 4px; font-size: .84rem; }
  .doc-kind { text-align: left; font-size: 1.35rem; }
  .card { padding: 18px; }
}

@media print {
  html, body { background: #fff !important; }
  header.top, .no-print { display: none !important; }
  main { margin: 0; max-width: none; padding: 0; }
  .doc { box-shadow: none; border-radius: 0; }
  .doc-band { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .doc .table-wrap th { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* ---------- Quick pick ---------- */
.qp { border: 1px solid var(--line); border-radius: 12px; background: var(--navy); margin-bottom: 14px; }
.qp summary { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 12px 14px; cursor: pointer; list-style: none; }
.qp summary::-webkit-details-marker { display: none; }
.qp summary::before { content: "▸"; color: var(--cyan); transition: transform .15s; }
.qp[open] summary::before { transform: rotate(90deg); }
.qp-body { padding: 0 14px 14px; }
.qp-cats { display: flex; gap: 6px; overflow-x: auto; padding: 10px 0; scrollbar-width: none; }
.qp-cats button { flex: none; background: transparent; border: 1px solid var(--line-strong); color: var(--muted); font: 500 .82rem var(--font); padding: 5px 12px; border-radius: 999px; cursor: pointer; }
.qp-cats button.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.qp-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px; max-height: 300px; overflow-y: auto; padding-right: 2px; }
.qp-item { text-align: left; background: var(--navy-2); border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; cursor: pointer; color: var(--ink); font: inherit; display: flex; flex-direction: column; gap: 2px; transition: border-color .15s, background .15s; }
.qp-item:hover, .qp-item:focus-visible { border-color: var(--cyan); outline: none; }
.qp-item.added { border-color: var(--ok); background: var(--ok-bg); }
.qp-name { font-weight: 600; font-size: .92rem; line-height: 1.3; }
.qp-meta { color: var(--muted); font-size: .82rem; }
.qp-sample { display: inline-block; margin-left: 6px; padding: 0 7px; border-radius: 999px; font: 500 .66rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: #f5b94a; background: rgba(245,185,74,.13); vertical-align: middle; }
#items tr.just-added td { animation: flashrow 1.2s ease-out; }
@keyframes flashrow { from { background: rgba(0,172,237,.22); } to { background: transparent; } }
@media (max-width: 640px) { .qp-list { grid-template-columns: 1fr; max-height: 260px; } }

/* Invoices: where to send a check */
.doc .payable { display: inline-block; min-width: 260px; background: #f3f7fb; border-left: 3px solid var(--blue); padding: 12px 16px; border-radius: 0 8px 8px 0; }
.doc .payable::first-line { font-weight: 600; }
.search input[type=search] { padding: 9px 12px; }

/* Customer history */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 760px) { .tiles { grid-template-columns: 1fr 1fr; } }
.tile { background: var(--navy-2); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.tile-label { font: 500 .72rem var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.tile-value { font: 800 1.45rem var(--display); color: var(--ink); margin: 6px 0 2px; }
.tile-sub { font-size: .82rem; color: var(--muted); }
.tile.good .tile-value { color: var(--ok); }
.tile.bad { border-color: rgba(255,107,91,.5); }
.tile.bad .tile-sub { color: var(--warn); }
table.history tr.late td:first-child { box-shadow: inset 3px 0 0 var(--warn); }

/* Reports */
table.report td { vertical-align: top; }
table.report tr.late td:first-child { box-shadow: inset 3px 0 0 var(--warn); }
.row.actions { gap: 6px; flex-wrap: nowrap; }
.row.actions form { margin: 0; }
.aging-row { display: grid; grid-template-columns: 150px 1fr 150px; gap: 12px; align-items: center; padding: 5px 0; }
.aging-label { font-size: .9rem; color: var(--text); }
.aging-bar { height: 10px; background: rgba(166,182,204,.12); border-radius: 99px; overflow: hidden; }
.aging-bar span { display: block; height: 100%; background: var(--cyan); border-radius: 99px; min-width: 2px; }
.aging-bar span.late { background: var(--warn); }
.aging-value { text-align: right; color: var(--ink); font-weight: 600; font-size: .92rem; }
@media (max-width: 640px) { .aging-row { grid-template-columns: 1fr 110px; } .aging-bar { grid-column: 1 / -1; order: 3; } .row.actions { flex-wrap: wrap; } }
table.report .btn, table.report .nowrap { white-space: nowrap; }
a.nowrap { white-space: nowrap; }
table.report td:nth-child(2) { min-width: 150px; }
@media (max-width: 1100px) { .hide-md { display: none; } }

/* Attached files */
ul.files { list-style: none; padding: 0; margin: 12px 0; }
ul.files li { display: flex; align-items: center; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
ul.files li a { color: var(--ink); font-weight: 600; word-break: break-all; }
ul.files li form { margin: 0 0 0 auto; }
.ficon { font: 600 .66rem var(--mono); letter-spacing: .05em; color: var(--cyan); border: 1px solid var(--line-strong); border-radius: 6px; padding: 4px 6px; min-width: 38px; text-align: center; }
form.upload { display: flex; gap: 12px; align-items: stretch; flex-wrap: wrap; margin-top: 12px; }
form.upload .drop { position: relative; flex: 1; min-width: 240px; display: flex; flex-direction: column; gap: 2px; padding: 14px 16px; border: 2px dashed var(--line-strong); border-radius: 12px; cursor: pointer; color: var(--ink); margin: 0; }
form.upload .drop.over, form.upload .drop:hover { border-color: var(--cyan); }
form.upload .drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
form.upload .btn { align-self: center; }