/* contract.css — collaboration contract rendered as a light "paper" document (+ A4 print).
   Markup: src/views/contract-doc.js. Everything is scoped under .contract-doc so it can sit on any page. */

.contract-doc {
  /* local paper palette (a light surface inside the dark site; accents derived from the brand purples) */
  --paper: #fdfcff;
  --ink: #1a1325;
  --ink-2: #372a4a;
  --ink-muted: #65577a;
  --rule: #e7def2;
  --rule-strong: #cfbfe4;
  --accent: #5a189a;
  --accent-2: #8a3fcf;
  --accent-soft: #f6f0fd;
  --pink-ink: #a3124f;
  --green-ink: #08734f;
  --watermark: rgba(90, 24, 154, 0.075);

  width: 100%;
  max-width: 860px;
  margin-inline: auto;
}

/* ---------------------------------------------------------------- toolbar (screen only) */
.contract-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.6rem 1rem;
  margin-block-end: 0.9rem;
}
.contract-toolbar-hint {
  margin: 0;
  margin-inline-end: auto;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-muted, #bcaed2);
}
.contract-toolbar .btn svg { flex: none; }

/* ---------------------------------------------------------------- paper */
.contract-paper {
  position: relative;
  isolation: isolate;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font, 'Vazirmatn', Tahoma, system-ui, sans-serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.95;
  text-align: start;
  border-radius: 20px;
  padding: clamp(26px, 6vw, 64px) clamp(16px, 5.4vw, 64px) clamp(22px, 5vw, 48px);
  box-shadow:
    0 0 0 1px rgba(157, 78, 221, 0.22),
    0 2px 6px rgba(0, 0, 0, 0.25),
    0 36px 90px -36px rgba(0, 0, 0, 0.75),
    0 0 70px -20px rgba(160, 32, 240, 0.28);
  overflow: hidden; /* fallback */
  overflow: clip; /* clips the rotated watermark without becoming a scroll container (keeps it sticky) */
  overflow-wrap: break-word;
}
/* brand ribbon: midnight purple → dawn pink → morning green */
.contract-paper::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-start: 0;
  height: 6px;
  background: linear-gradient(90deg, #7b2cbf 0%, #a020f0 38%, #ff4fa3 72%, #2ee6a6 100%);
}
/* never inherit the dark theme's light text colours inside the paper */
.contract-paper * { color: inherit; }
.contract-paper p { margin: 0; }
.contract-paper ::selection { background: rgba(160, 32, 240, 0.18); color: var(--ink); }

@media (min-width: 640px) {
  .contract-paper p { text-align: justify; }
}

.contract-paper .cdoc-blank {
  color: var(--ink-muted);
  letter-spacing: 0;
  white-space: nowrap;
}

/* ---------------------------------------------------------------- watermark */
.contract-paper .cdoc-watermark {
  position: sticky;
  top: 44vh;
  height: 0;
  z-index: 3;
  display: flex;
  justify-content: center;
  pointer-events: none;
  user-select: none;
}
.contract-paper .cdoc-watermark span {
  display: block;
  transform: translateY(-50%) rotate(-24deg);
  font-size: clamp(3.2rem, 15vw, 7.5rem);
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
  color: var(--watermark);
}
.contract-paper .cdoc-watermark.is-long span { font-size: clamp(1.7rem, 7.4vw, 4.4rem); }

/* ---------------------------------------------------------------- header */
.contract-paper .cdoc-head {
  display: grid;
  justify-items: center;
  gap: 0.55rem;
  text-align: center;
  padding-block-end: 1.3rem;
  margin-block-end: 1.5rem;
  border-block-end: 1px solid var(--rule);
}
.contract-paper .cdoc-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
}
.contract-paper .cdoc-mark { display: block; width: 40px; height: 40px; flex: none; }
.contract-paper .cdoc-title {
  margin: 0.15rem 0 0;
  font-size: clamp(1.55rem, 4.6vw, 2.15rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: 0;
  color: var(--ink);
}
.contract-paper .cdoc-state {
  display: inline-block;
  padding: 0.1rem 0.85rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--pink-ink);
  text-align: center;
}
.contract-paper .cdoc-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.2rem 1.6rem;
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-muted);
}
.contract-paper .cdoc-meta div { display: flex; gap: 0.4rem; align-items: baseline; }
.contract-paper .cdoc-meta dt { font-weight: 500; }
.contract-paper .cdoc-meta dd { margin: 0; font-weight: 700; color: var(--ink); }

/* ---------------------------------------------------------------- preamble & closing */
.contract-paper .cdoc-preamble,
.contract-paper .cdoc-closing {
  display: grid;
  gap: 0.6rem;
}
.contract-paper .cdoc-preamble {
  padding: 1rem 1.15rem;
  border-radius: 14px;
  background: var(--accent-soft);
  border: 1px solid var(--rule);
}
.contract-paper .cdoc-closing {
  margin-block-start: 1.9rem;
  padding-block-start: 1.2rem;
  border-block-start: 1px solid var(--rule);
  font-weight: 500;
}

/* ---------------------------------------------------------------- articles */
.contract-paper .cdoc-article { margin-block-start: 1.75rem; }
.contract-paper .cdoc-article-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 0.4rem;
  margin: 0 0 0.75rem;
  padding-block-end: 0.35rem;
  border-block-end: 1px dashed var(--rule-strong);
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.7;
  letter-spacing: 0;
  color: var(--accent);
  break-after: avoid;
  page-break-after: avoid;
}
.contract-paper .cdoc-article-no { color: var(--ink); }

.contract-paper .cdoc-clauses {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}
.contract-paper .cdoc-clause {
  display: grid;
  grid-template-columns: 2.9em minmax(0, 1fr);
  column-gap: 0.55rem;
  margin: 0;
  padding: 0;
  break-inside: avoid;
  page-break-inside: avoid;
}
.contract-paper .cdoc-clause-no {
  font-weight: 700;
  color: var(--accent-2);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.contract-paper .cdoc-clause-body { min-width: 0; }

.contract-paper .cdoc-items {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.2rem;
}
.contract-paper .cdoc-items li {
  display: grid;
  grid-template-columns: 2.2em minmax(0, 1fr);
  column-gap: 0.35rem;
  margin: 0;
}
.contract-paper .cdoc-item-marker { font-weight: 700; color: var(--accent-2); }

.contract-paper .cdoc-note {
  margin-block-start: 0.5rem;
  padding: 0.5rem 0.85rem;
  border-inline-start: 3px solid var(--accent-2);
  border-radius: 10px;
  background: var(--accent-soft);
  font-size: 0.96rem;
  break-inside: avoid;
  page-break-inside: avoid;
}
.contract-paper .cdoc-note-label { font-weight: 800; color: var(--pink-ink); }

/* ---------------------------------------------------------------- parties */
.contract-paper .cdoc-parties {
  display: grid;
  gap: 1rem;
  margin-block: 0.25rem 1.1rem;
  align-items: start;
}
@media (min-width: 760px) {
  .contract-paper .cdoc-parties { grid-template-columns: 1fr 1fr; }
}
.contract-paper .cdoc-party {
  border: 1px solid var(--rule-strong);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  break-inside: avoid;
  page-break-inside: avoid;
}
.contract-paper .cdoc-party-table {
  width: 100%;
  margin: 0;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.93rem;
  line-height: 1.75;
  background: none;
}
.contract-paper .cdoc-party-table caption {
  caption-side: top;
  padding: 0.55rem 0.85rem;
  text-align: start;
  font-weight: 800;
  color: var(--accent);
  background: linear-gradient(90deg, rgba(123, 44, 191, 0.1), rgba(255, 79, 163, 0.07), rgba(46, 230, 166, 0.08));
  border-block-end: 1px solid var(--rule-strong);
}
.contract-paper .cdoc-party-table th,
.contract-paper .cdoc-party-table td {
  padding: 0.42rem 0.75rem;
  text-align: start;
  vertical-align: top;
  border-block-end: 1px solid var(--rule);
  overflow-wrap: anywhere;
  background: none;
}
.contract-paper .cdoc-party-table tr:last-child th,
.contract-paper .cdoc-party-table tr:last-child td { border-block-end: 0; }
.contract-paper .cdoc-party-table th {
  width: 36%;
  font-weight: 600;
  color: var(--ink-muted);
  background: #faf7fe;
  border-inline-end: 1px solid var(--rule);
}
.contract-paper .cdoc-party-table td { font-weight: 600; color: var(--ink); }
.contract-paper .cdoc-party-table td bdi { font-size: 0.92em; }

/* ---------------------------------------------------------------- signatures */
.contract-paper .cdoc-signatures {
  margin-block-start: 2rem;
  padding-block-start: 1.3rem;
  border-block-start: 2px solid var(--rule-strong);
  break-inside: avoid;
  page-break-inside: avoid;
}
.contract-paper .cdoc-sign-title {
  margin: 0 0 0.9rem;
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.7;
  color: var(--accent);
  text-align: center;
}
.contract-paper .cdoc-sig-grid { display: grid; gap: 1rem; }
@media (min-width: 640px) {
  .contract-paper .cdoc-sig-grid { grid-template-columns: 1fr 1fr; }
}
.contract-paper .cdoc-sig-col {
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 0.55rem;
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--rule-strong);
  border-radius: 14px;
  background: #fff;
  break-inside: avoid;
  page-break-inside: avoid;
}
.contract-paper .cdoc-sig-role {
  font-weight: 800;
  color: var(--accent);
  padding-block-end: 0.35rem;
  border-block-end: 1px solid var(--rule);
}
.contract-paper .cdoc-sig-fields { display: grid; gap: 0.15rem; margin: 0; font-size: 0.93rem; line-height: 1.8; }
.contract-paper .cdoc-sig-field { display: flex; flex-wrap: wrap; gap: 0 0.45rem; }
.contract-paper .cdoc-sig-field dt { color: var(--ink-muted); font-weight: 500; }
.contract-paper .cdoc-sig-field dt::after { content: ":"; }
.contract-paper .cdoc-sig-field dd { margin: 0; font-weight: 700; color: var(--ink); min-width: 0; }
.contract-paper .cdoc-sig-sub { font-weight: 500; color: var(--ink-2); }
.contract-paper .cdoc-pending { color: var(--pink-ink); }
.contract-paper .cdoc-sig-area {
  display: grid;
  place-items: center;
  min-height: 132px;
  padding: 0.5rem;
  border: 1px dashed var(--rule-strong);
  border-radius: 12px;
  background: #fff;
}
.contract-paper .cdoc-sig-placeholder { font-size: 0.82rem; color: var(--ink-muted); }
.contract-paper .cdoc-sig-img {
  display: block;
  max-width: 100%;
  max-height: 120px;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* circular stamp-like approval badge */
.contract-paper .cdoc-stamp {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.05rem;
  width: 124px;
  aspect-ratio: 1;
  padding: 0.9rem;
  border: 3px solid var(--green-ink);
  border-radius: 50%;
  outline: 1.5px dashed var(--green-ink);
  outline-offset: -10px;
  color: var(--green-ink);
  text-align: center;
  transform: rotate(-11deg);
  line-height: 1.35;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}
.contract-paper .cdoc-stamp-top {
  max-width: 88px;
  overflow: hidden;
  font-size: 0.62rem;
  font-weight: 700;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.contract-paper .cdoc-stamp-main { font-size: 1.05rem; font-weight: 900; }
.contract-paper .cdoc-stamp-date { font-size: 0.66rem; font-weight: 700; }

/* ---------------------------------------------------------------- footer */
.contract-paper .cdoc-foot {
  display: grid;
  gap: 0.5rem;
  margin-block-start: 1.7rem;
  padding-block-start: 1rem;
  border-block-start: 1px solid var(--rule);
  font-size: 0.84rem;
  line-height: 1.85;
  color: var(--ink-muted);
}
.contract-paper .cdoc-foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.2rem 1.2rem; }
.contract-paper .cdoc-hash-wrap { display: grid; gap: 0.25rem; }
.contract-paper .cdoc-hash-label { font-weight: 700; color: var(--ink-2); }
.contract-paper .cdoc-hash {
  display: block;
  direction: ltr;
  unicode-bidi: isolate;
  text-align: left;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--accent-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--ink-2);
  word-break: break-all;
  overflow-wrap: anywhere;
  white-space: normal;
}
.contract-paper .cdoc-foot-note { font-weight: 500; color: var(--ink-2); }

/* ---------------------------------------------------------------- small screens */
@media (max-width: 480px) {
  .contract-paper { border-radius: 14px; line-height: 1.9; }
  .contract-paper .cdoc-preamble { padding: 0.8rem 0.85rem; }
  .contract-paper .cdoc-clause { grid-template-columns: 2.6em minmax(0, 1fr); column-gap: 0.4rem; }
  .contract-paper .cdoc-party-table th { width: 40%; }
  .contract-paper .cdoc-party-table th,
  .contract-paper .cdoc-party-table td { padding: 0.4rem 0.55rem; font-size: 0.9rem; }
  .contract-paper .cdoc-note { padding: 0.45rem 0.65rem; }
}

@media (prefers-reduced-motion: reduce) {
  .contract-doc *,
  .contract-doc *::before,
  .contract-doc *::after { transition: none !important; animation: none !important; }
}

/* ---------------------------------------------------------------- print (A4) */
@page {
  size: A4;
  margin: 18mm 16mm;
  @bottom-center {
    content: "صفحه‌ی " counter(page, persian) " از " counter(pages, persian);
    font-family: Vazirmatn, Tahoma, sans-serif;
    font-size: 8.5pt;
    color: #444;
  }
}

@media print {
  .no-print,
  .contract-toolbar { display: none !important; }

  .contract-doc {
    --ink: #000;
    --ink-2: #111;
    --ink-muted: #333;
    --accent: #000;
    --accent-2: #222;
    --pink-ink: #000;
    --accent-soft: transparent;
    --rule: #bdbdbd;
    --rule-strong: #8a8a8a;
    --watermark: rgba(0, 0, 0, 0.07);
    max-width: none;
    margin: 0;
  }
  .contract-paper {
    background: none !important;
    color: #000;
    box-shadow: none !important;
    border-radius: 0;
    padding: 0;
    overflow: visible;
    font-size: 10pt;
    line-height: 1.8;
  }
  .contract-paper::before { display: none; }
  .contract-paper p { text-align: justify; orphans: 3; widows: 3; }

  /* repeat the watermark on every printed page */
  .contract-paper .cdoc-watermark {
    position: fixed;
    inset: 0;
    height: auto;
    align-items: center;
    z-index: 0;
  }
  .contract-paper .cdoc-watermark span { transform: rotate(-30deg); font-size: 64pt; }
  .contract-paper .cdoc-watermark.is-long span { font-size: 40pt; }

  .contract-paper .cdoc-preamble,
  .contract-paper .cdoc-note,
  .contract-paper .cdoc-hash,
  .contract-paper .cdoc-party,
  .contract-paper .cdoc-party-table caption,
  .contract-paper .cdoc-party-table th,
  .contract-paper .cdoc-sig-col,
  .contract-paper .cdoc-sig-area { background: none !important; }
  .contract-paper .cdoc-preamble { border: 0; padding: 0; }
  .contract-paper .cdoc-parties { grid-template-columns: 1fr 1fr; gap: 4mm; }
  .contract-paper .cdoc-party-table th { width: 31%; }
  .contract-paper .cdoc-party-table th,
  .contract-paper .cdoc-party-table td { padding: 0.3rem 0.5rem; }
  .contract-paper .cdoc-sig-grid { grid-template-columns: 1fr 1fr; }
  .contract-paper .cdoc-note { padding: 0.15rem 0.6rem; border-radius: 0; }
  .contract-paper .cdoc-hash { padding: 0; border: 0; font-size: 8pt; }
  .contract-paper .cdoc-stamp { width: 30mm; }

  .contract-paper .cdoc-article-title { break-after: avoid; page-break-after: avoid; }
  .contract-paper .cdoc-clause,
  .contract-paper .cdoc-note,
  .contract-paper .cdoc-party,
  .contract-paper .cdoc-signatures,
  .contract-paper .cdoc-sig-col { break-inside: avoid; page-break-inside: avoid; }
  .contract-paper .cdoc-head { break-after: avoid; page-break-after: avoid; }
}