/* Contratos: el documento como hoja legible a la izquierda, el panel de firma fijo a la derecha. */
.barra { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px clamp(16px, 3vw, 32px); background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
#cab-numero { color: var(--muted); font-size: .85rem; }
.lead { color: var(--muted); font-size: 1.05rem; max-width: 66ch; }
.nota { color: var(--muted); font-size: .85rem; }

.portada-ct { max-width: 1100px; margin: 0 auto; padding: clamp(40px, 7vw, 90px) clamp(16px, 3vw, 32px); display: grid; gap: 18px; }
.portada-ct h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; max-width: 18ch; }
.pasos-ct { list-style: none; padding: 0; margin: 12px 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 12px; counter-reset: p; }
.pasos-ct li { counter-increment: p; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px; display: grid; gap: 4px; }
.pasos-ct li::before { content: counter(p); width: 28px; height: 28px; border-radius: 8px; background: var(--brand-gradient); color: #fff; display: grid; place-items: center; font: 700 .9rem var(--f-display); margin-bottom: 6px; }
.pasos-ct span { color: var(--muted); font-size: .9rem; }

.firmar { max-width: 1440px; margin: 0 auto; padding: clamp(16px, 3vw, 32px); display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 28px; align-items: start; }
.documento { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: clamp(20px, 4vw, 48px); min-width: 0; }
.doc-cab { display: grid; gap: 6px; border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-bottom: 22px; }
.huella { color: var(--muted); font-size: .78rem; overflow-wrap: anywhere; }
#doc-texto { max-width: 78ch; margin: 0 auto; font-size: .98rem; line-height: 1.7; }
#doc-texto h1 { font-size: 1.35rem; text-align: center; margin: 0 0 22px; }
#doc-texto h2 { font-size: 1.02rem; color: var(--accent); margin: 24px 0 8px; }
#doc-texto p { margin: 0 0 12px; text-align: justify; hyphens: auto; }
#doc-texto ul { margin: 0 0 14px; padding-left: 22px; display: grid; gap: 4px; }

.panel-firma { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 76px); }
.panel-firma form { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px; display: grid; gap: 14px; box-shadow: var(--shadow); }
.panel-firma h2 { font-size: 1.15rem; }
.lienzo-caja { position: relative; border: 1.5px dashed var(--line); border-radius: 12px; background: #ffffff; height: 150px; touch-action: none; }
.lienzo-caja canvas { width: 100%; height: 100%; display: block; border-radius: 12px; cursor: crosshair; }
.lienzo-guia { position: absolute; inset: 0; display: grid; place-items: center; color: #8b87a6; font-size: .88rem; pointer-events: none; }
.campo.mal .lienzo-caja { border-color: var(--err); }
.casilla { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: var(--fg) !important; font-weight: 500 !important; cursor: pointer; }
.casilla input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--brand-violet); flex: none; }
.ancho { width: 100%; padding: 13px 16px; }
.enlace-pdf { font-size: .85rem; text-align: center; }

.estado-ct { max-width: 680px; margin: 0 auto; padding: clamp(32px, 6vw, 72px) 16px; }
.estado-ct .aviso { display: grid; gap: 8px; padding: 22px; }
.listo-ct { display: grid; gap: 14px; justify-items: center; text-align: center; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow); }
.sello { width: 64px; height: 64px; border-radius: 50%; background: var(--brand-gradient); color: #fff; display: grid; place-items: center; font-size: 1.8rem; }
.listo-ct h2 { font-size: 2rem; }

@media (max-width: 980px) {
  .firmar { grid-template-columns: 1fr; }
  .panel-firma { position: static; }
}

.esq-doc { height: 70vh; }
.esq-panel { height: 50vh; }