/* DocuAgree design system.
 * Restraint + precision (Stripe/Linear) with institutional trust cues
 * (DocuSign). Near-black on near-white, one accent, real type scale.
 * No gradients, no default shadcn/Tailwind indigo, no over-rounded corners.
 */

:root {
  --ink:        #14171C;
  --ink-soft:   #52585F;
  --ink-faint:  #868D95;
  --paper:      #FFFFFF;
  --paper-soft: #F7F6F2;
  --paper-dim:  #F0EEE7;
  --border:     #E3E0D8;
  --border-strong: #CFCBC0;

  --accent:       #2451B8;
  --accent-ink:   #163A8F;
  --accent-tint:  #EAF0FC;
  --accent-tint-strong: #D5E1F8;

  --danger:      #B3261E;
  --danger-tint: #FBEAE9;
  --success:     #1E7A46;
  --success-tint:#E7F4EC;
  --warning:     #92600B;
  --warning-tint:#FBF1DF;

  --font-ui: 'Public Sans', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-doc: 'Source Serif 4', Georgia, 'Times New Roman', serif;

  --radius-sm: 5px;
  --radius: 8px;
  --radius-lg: 12px;

  --shadow-card: 0 1px 2px rgba(20,23,28,.04), 0 1px 1px rgba(20,23,28,.03);
  --shadow-pop: 0 8px 24px rgba(20,23,28,.12), 0 2px 6px rgba(20,23,28,.06);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-ui);
  color: var(--ink);
  background: var(--paper-soft);
  line-height: 1.55;
  font-size: 15px;
}
h1, h2, h3, h4 { font-family: var(--font-ui); font-weight: 700; line-height: 1.2; margin: 0 0 .4em; letter-spacing: -.01em; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
small, .small { font-size: .8125rem; color: var(--ink-soft); }
.muted { color: var(--ink-soft); }
.faint { color: var(--ink-faint); }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; }

/* ---------- Layout / chrome ---------- */
.topbar { background: var(--paper); border-bottom: 1px solid var(--border); }
.topbar-inner {
  max-width: 1120px; margin: 0 auto; padding: 0 1.5rem;
  height: 60px; display: flex; align-items: center; justify-content: space-between;
}
.topbar-plain .topbar-inner { justify-content: space-between; }
.wordmark { font-weight: 700; font-size: 1.15rem; color: var(--ink); letter-spacing: -.01em; }
.wordmark span { color: var(--accent); }
.topbar-tag { font-size: .8125rem; color: var(--ink-soft); display: flex; align-items: center; gap: .4em; }
.topbar-tag::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--success); display: inline-block; }
.topnav { display: flex; align-items: center; gap: 1.5rem; font-size: .9rem; }
.topnav a { color: var(--ink-soft); font-weight: 500; }
.topnav a:hover { color: var(--ink); text-decoration: none; }
.inline-form { display: inline; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--ink-soft); font-weight: 500; cursor: pointer; }
.link-btn:hover { color: var(--ink); text-decoration: underline; }

.app-main { max-width: 1120px; margin: 0 auto; padding: 2.5rem 1.5rem 4rem; }
.app-main-wide { max-width: 1400px; }
.signer-flow .app-main { max-width: 900px; padding-top: 2rem; }

.sitefoot { border-top: 1px solid var(--border); padding: 1.5rem 0; }
.sitefoot-inner {
  max-width: 1120px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
  font-size: .8125rem; color: var(--ink-faint);
}
.sitefoot-inner nav a { color: var(--ink-faint); margin-left: 1rem; }
.sitefoot-inner nav a:first-child { margin-left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-family: var(--font-ui); font-weight: 600; font-size: .9rem;
  padding: .65em 1.15em; border-radius: var(--radius-sm); border: 1px solid transparent;
  cursor: pointer; text-decoration: none; line-height: 1.2;
  background: var(--accent); color: #fff;
  transition: background-color .12s ease, border-color .12s ease;
}
.btn:hover { background: var(--accent-ink); text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-secondary { background: var(--paper); color: var(--ink); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--paper-dim); }
.btn-ghost { background: transparent; color: var(--ink-soft); border-color: transparent; }
.btn-ghost:hover { background: var(--paper-dim); color: var(--ink); }
.btn-danger { background: var(--paper); color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-tint); }
.btn-sm { padding: .45em .9em; font-size: .8125rem; }
.btn-lg { padding: .85em 1.6em; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------- Forms ---------- */
label { display: block; font-weight: 600; font-size: .8125rem; margin: 0 0 .35em; color: var(--ink); }
.field { margin-bottom: 1.1rem; }
.field-hint { font-size: .8125rem; color: var(--ink-soft); margin-top: .35em; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], textarea, select {
  width: 100%; font-family: var(--font-ui); font-size: .95rem; color: var(--ink);
  padding: .65em .8em; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--paper);
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint);
}
.checkbox-row { display: flex; align-items: flex-start; gap: .6em; font-weight: 400; font-size: .9rem; color: var(--ink); }
.checkbox-row input { margin-top: .2em; width: 16px; height: 16px; }

/* ---------- Cards / surfaces ---------- */
.card { background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow-card); }
.card + .card { margin-top: 1rem; }
.panel { max-width: 420px; margin: 2rem auto; }
.panel-wide { max-width: 560px; }

/* ---------- Badges / status ---------- */
.badge {
  display: inline-flex; align-items: center; gap: .4em; font-size: .75rem; font-weight: 600;
  padding: .25em .65em; border-radius: 100px; text-transform: uppercase; letter-spacing: .03em;
}
.badge-draft   { background: var(--paper-dim); color: var(--ink-soft); }
.badge-sent    { background: var(--accent-tint); color: var(--accent-ink); }
.badge-completed { background: var(--success-tint); color: var(--success); }
.badge-warn    { background: var(--warning-tint); color: var(--warning); }
.badge-danger  { background: var(--danger-tint); color: var(--danger); }

/* ---------- Tables (document lists) ---------- */
table.list { width: 100%; border-collapse: collapse; }
table.list th { text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-faint); font-weight: 600; padding: .6em .8em; border-bottom: 1px solid var(--border); }
table.list td { padding: .9em .8em; border-bottom: 1px solid var(--border); font-size: .9rem; vertical-align: middle; }
table.list tr:last-child td { border-bottom: none; }
table.list tr:hover td { background: var(--paper); }
table.list a.row-link { color: var(--ink); font-weight: 600; }
table.list a.row-link:hover { color: var(--accent); text-decoration: none; }

/* ---------- Empty states: typographic only, no stock illustration ---------- */
.empty-state { text-align: center; padding: 4rem 1.5rem; border: 1px dashed var(--border-strong); border-radius: var(--radius-lg); background: var(--paper); }
.empty-state h3 { margin-bottom: .4em; }
.empty-state p { color: var(--ink-soft); max-width: 32em; margin-left: auto; margin-right: auto; }

/* ---------- Flash / alerts ---------- */
.flash { padding: .8em 1.1em; border-radius: var(--radius-sm); font-size: .9rem; margin-bottom: 1.25rem; border: 1px solid transparent; }
.flash-info    { background: var(--accent-tint); color: var(--accent-ink); border-color: var(--accent-tint-strong); }
.flash-error   { background: var(--danger-tint); color: var(--danger); border-color: #F3C9C6; }
.flash-success { background: var(--success-tint); color: var(--success); border-color: #C6E6D2; }

.alert { padding: 1em 1.2em; border-radius: var(--radius); border: 1px solid; font-size: .875rem; }
.alert-trust { background: var(--paper-soft); border-color: var(--border); color: var(--ink-soft); }
.alert-warn { background: var(--warning-tint); border-color: #EFD9A6; color: var(--warning); }
.alert-danger { background: var(--danger-tint); border-color: #F3C9C6; color: var(--danger); }

/* ---------- Legal / trust microcopy blocks ---------- */
.trust-note { font-size: .8125rem; color: var(--ink-soft); border-left: 3px solid var(--accent-tint-strong); padding: .2em 0 .2em 1em; }
.trust-note strong { color: var(--ink); }

/* ---------- Landing / marketing ---------- */
.hero { padding: 4rem 0 3rem; text-align: center; }
.hero h1 { font-size: 2.75rem; max-width: 18em; margin: 0 auto .5em; }
.hero p.lede { font-size: 1.15rem; color: var(--ink-soft); max-width: 34em; margin: 0 auto 2em; }
.hero-actions { display: flex; gap: .8em; justify-content: center; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; margin: 3rem 0; }
.feature-grid .card h3 { font-size: 1rem; }
.feature-grid .card p { font-size: .875rem; color: var(--ink-soft); margin: 0; }

/* ---------- Template picker ---------- */
.template-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.template-card {
  display: block; text-align: left; background: var(--paper); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; cursor: pointer; color: var(--ink);
}
.template-card:hover { border-color: var(--accent); box-shadow: var(--shadow-card); text-decoration: none; }
.template-card h4 { margin-bottom: .3em; }
.template-card p { font-size: .8125rem; color: var(--ink-soft); margin: 0; }
.template-card .tpl-kicker { font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--accent); font-weight: 700; margin-bottom: .5em; display: block; }

/* ---------- Builder ---------- */
.builder-shell { display: grid; grid-template-columns: 220px 1fr 280px; gap: 1.25rem; align-items: start; }
.builder-sidebar { position: sticky; top: 1rem; }
.builder-sidebar .card { padding: 1rem; }
.field-palette-item {
  display: flex; align-items: center; gap: .6em; padding: .6em .7em; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--paper); margin-bottom: .5em; cursor: grab;
  font-size: .85rem; font-weight: 600; color: var(--ink);
}
.field-palette-item:active { cursor: grabbing; }
.field-palette-item .dot { width: 8px; height: 8px; border-radius: 2px; background: var(--accent); flex-shrink: 0; }

.doc-canvas-wrap { background: var(--paper-dim); border-radius: var(--radius-lg); padding: 2rem; overflow: auto; }
.doc-page {
  position: relative; background: #fff; width: 816px; min-height: 1056px; margin: 0 auto 2rem;
  box-shadow: var(--shadow-pop); font-family: var(--font-doc); font-size: 15px; line-height: 1.65;
  padding: 72px 64px; color: #1a1a1a;
}
.doc-page:last-child { margin-bottom: 0; }
.doc-page h1, .doc-page h2, .doc-page h3 { font-family: var(--font-doc); }
.doc-page .page-number { position: absolute; bottom: 20px; right: 28px; font-family: var(--font-ui); font-size: 11px; color: #999; }

.placed-field {
  position: absolute; border: 1.5px solid var(--accent); background: var(--accent-tint);
  border-radius: 3px; font-family: var(--font-ui); font-size: 11px; color: var(--accent-ink);
  display: flex; align-items: center; padding: 0 6px; cursor: move; user-select: none;
}
.placed-field.signer-2 { border-color: #92600B; background: var(--warning-tint); color: var(--warning); }
.placed-field.signer-3 { border-color: #1E7A46; background: var(--success-tint); color: var(--success); }
.placed-field.signer-4 { border-color: #7A3E9D; background: #F3E8FA; color: #7A3E9D; }
.placed-field .field-remove { margin-left: auto; cursor: pointer; opacity: .6; }
.placed-field .field-remove:hover { opacity: 1; }
.placed-field .resize-handle { position: absolute; right: -3px; bottom: -3px; width: 9px; height: 9px; background: var(--accent); border-radius: 2px; cursor: nwse-resize; }

.builder-panel-right .card { margin-bottom: 1rem; }
.signer-row { display: flex; align-items: center; gap: .5em; padding: .5em; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: .5em; }
.signer-row .signer-swatch { width: 10px; height: 10px; border-radius: 2px; flex-shrink: 0; }
.signer-swatch.signer-1 { background: var(--accent); }
.signer-swatch.signer-2 { background: #92600B; }
.signer-swatch.signer-3 { background: #1E7A46; }
.signer-swatch.signer-4 { background: #7A3E9D; }
.signer-row .signer-meta { flex: 1; min-width: 0; }
.signer-row .signer-meta .sname { font-weight: 600; font-size: .85rem; }
.signer-row .signer-meta .semail { font-size: .75rem; color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Signing flow ---------- */
.consent-box { max-width: 560px; margin: 0 auto; }
.consent-box .card { padding: 2rem; }
.sig-methods { display: flex; gap: .5em; margin-bottom: 1rem; }
.sig-tab { flex: 1; padding: .6em; text-align: center; border: 1px solid var(--border-strong); background: var(--paper); font-weight: 600; font-size: .85rem; cursor: pointer; border-radius: var(--radius-sm); color: var(--ink-soft); }
.sig-tab.active { border-color: var(--accent); background: var(--accent-tint); color: var(--accent-ink); }
.sig-canvas-wrap { border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: #fff; }
canvas#sig-pad { display: block; width: 100%; height: 160px; touch-action: none; cursor: crosshair; }
.sig-typed-preview { font-size: 2.5rem; padding: 1rem; text-align: center; min-height: 100px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: #fff; }
.font-caveat { font-family: 'Caveat', cursive; }
.font-dancing { font-family: 'Dancing Script', cursive; }
.font-homemade { font-family: 'Homemade Apple', cursive; }
.font-picker { display: flex; gap: .5em; margin-top: .6em; }
.font-picker button { flex: 1; padding: .4em; border: 1px solid var(--border-strong); background: var(--paper); border-radius: var(--radius-sm); cursor: pointer; font-size: 1.1rem; }
.font-picker button.active { border-color: var(--accent); background: var(--accent-tint); }

/* ---------- Misc utility ---------- */
.stack { display: flex; flex-direction: column; gap: .75rem; }
.row { display: flex; align-items: center; gap: .75rem; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: .75rem; } .mt-2 { margin-top: 1.5rem; } .mt-3 { margin-top: 2.5rem; }
.mb-0 { margin-bottom: 0; }
.text-center { text-align: center; }
hr.sep { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

@media (max-width: 860px) {
  .builder-shell { grid-template-columns: 1fr; }
  .doc-page { width: 100%; min-width: 0; padding: 32px 24px; }
  .hero h1 { font-size: 2rem; }
}