/* Quill brand system — shared by landing, app, and signing pages. */

:root {
  --paper: #faf8f1;
  --paper-deep: #f2eee1;
  --card: #fdfcf8;
  --line: #e4ddcc;
  --line-soft: #ede8da;
  --ink: #14324a;
  --ink-deep: #0e2436;
  --teal: #2e8fa3;
  --teal-deep: #1d6e82;
  --teal-wash: #ddeef2;
  --graphite: #5a6672;
  --muted: #8a94a0;
  --seal: #b8923d;
  --danger: #b3402e;
  --danger-wash: #f6e3df;
  --ok-wash: #e2f0e6;
  --ok: #2e7d4f;

  --font-display: 'Libre Caslon Text', 'Iowan Old Style', Georgia, serif;
  --font-ui: 'Public Sans', -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Spline Sans Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --shadow-card: 0 1px 2px rgba(20, 50, 74, 0.06), 0 8px 28px rgba(20, 50, 74, 0.08);
  --shadow-pop: 0 2px 6px rgba(20, 50, 74, 0.10), 0 18px 48px rgba(20, 50, 74, 0.16);
  --radius: 10px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Faint paper grain, echoing the logo's stock. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.55 0 0 0 0 0.50 0 0 0 0 0.40 0 0 0 0.045 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

body > * { position: relative; z-index: 1; }

a { color: var(--teal-deep); }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: 3px;
}

::selection { background: var(--teal-wash); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  font: 600 15px/1 var(--font-ui);
  padding: 13px 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.06s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--ink-deep); }
.btn-teal { background: var(--teal-deep); color: #fff; }
.btn-teal:hover { background: #175a6b; }
.btn-outline { background: transparent; color: var(--ink); border-color: rgba(20, 50, 74, 0.35); }
.btn-outline:hover { border-color: var(--ink); background: rgba(20, 50, 74, 0.04); }
.btn-quiet { background: transparent; color: var(--teal-deep); padding: 13px 10px; }
.btn-quiet:hover { text-decoration: underline; }
.btn-danger { background: transparent; color: var(--danger); border-color: rgba(179, 64, 46, 0.4); }
.btn-danger:hover { background: var(--danger-wash); border-color: var(--danger); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 8px 14px; font-size: 13.5px; border-radius: 7px; }

/* ---------- forms ---------- */

.field { display: block; margin-bottom: 16px; }
.field > span {
  display: block;
  font: 600 12.5px/1.2 var(--font-ui);
  letter-spacing: 0.04em;
  color: var(--graphite);
  margin-bottom: 6px;
  text-transform: uppercase;
}
/* :where() keeps specificity at (0,0,1) so scoped overrides (e.g. the
   transparent in-document inputs on the signing page) still win. */
.input,
select,
textarea,
input:where(:not([type='checkbox'], [type='radio'], [type='file'], [type='range'],
                 [type='color'], [type='submit'], [type='button'], [type='reset'], [type='hidden'])) {
  width: 100%;
  font: 400 15px/1.4 var(--font-ui);
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--teal);
  outline-offset: 0;
  border-color: var(--teal);
}
input:disabled, select:disabled, textarea:disabled { background: var(--paper-deep); color: var(--muted); cursor: not-allowed; }
::placeholder { color: var(--muted); opacity: 1; }
input[type='checkbox'], input[type='radio'] { accent-color: var(--teal-deep); }
textarea { resize: vertical; min-height: 72px; }

/* ---------- bits ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 600 11.5px/1 var(--font-ui);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.chip-draft { background: var(--paper-deep); color: var(--graphite); }
.chip-sent { background: var(--teal-wash); color: var(--teal-deep); }
.chip-completed { background: var(--ok-wash); color: var(--ok); }
.chip-declined, .chip-voided { background: var(--danger-wash); color: var(--danger); }

.mono { font-family: var(--font-mono); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

/* Signature-line divider: thin teal rule with a nib dot. */
.sigline {
  position: relative;
  border: 0;
  border-top: 1.5px solid var(--teal);
  opacity: 0.55;
  margin: 0;
}
.sigline::before {
  content: '';
  position: absolute;
  left: -1px;
  top: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}