*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg-weak-25);
  color: var(--color-text-strong-950);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 20px;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; margin: 0; }
img { max-width: 100%; }
[hidden] { display: none !important; }

/* ───────── Componentes Olibia (recreación con tokens semánticos) ───────── */
:root {
  --ctl-h: 44px;
  --ring: inset 0 0 0 1px var(--color-stroke-soft-200);
  --focus: 0 0 0 2px var(--color-bg-white-0), 0 0 0 4px var(--color-stroke-strong-950);
}
.o-card { background: var(--color-bg-white-0); border-radius: var(--radius-16); box-shadow: var(--shadow-card); }
.o-sub { font-size: 11px; line-height: 16px; letter-spacing: .06em; text-transform: uppercase; font-weight: 500; color: var(--color-text-soft-400); }
.o-label { display: block; font-size: 13px; line-height: 18px; font-weight: 500; color: var(--color-text-strong-950); margin-bottom: 6px; }
.o-label.is-required::after { content: " *"; color: var(--color-error-base); }

.o-input, .o-select, .o-textarea {
  width: 100%; min-height: var(--ctl-h); padding: 10px 12px; border: 0; border-radius: var(--radius-10);
  background: var(--color-bg-white-0); color: var(--color-text-strong-950); font: 400 15px/20px var(--font-sans);
  box-shadow: var(--ring), var(--shadow-regular-xs);
  transition: box-shadow 200ms var(--ease-bia), background 200ms var(--ease-bia);
  -webkit-appearance: none; appearance: none;
}
.o-input::placeholder, .o-textarea::placeholder { color: var(--color-text-soft-400); }
.o-input:hover, .o-select:hover, .o-textarea:hover { background: var(--color-bg-weak-50); }
.o-input:focus, .o-select:focus, .o-textarea:focus {
  outline: none; background: var(--color-bg-white-0);
  box-shadow: inset 0 0 0 1px var(--color-stroke-strong-950), var(--focus);
}
.o-input[readonly] { background: var(--color-bg-weak-50); color: var(--color-text-sub-600); }
.o-textarea { min-height: 120px; resize: vertical; }
.o-select {
  padding-right: 36px;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-text-sub-600) 50%), linear-gradient(135deg, var(--color-text-sub-600) 50%, transparent 50%);
  background-position: calc(100% - 18px) 20px, calc(100% - 13px) 20px; background-size: 5px 5px; background-repeat: no-repeat;
}
.o-hint { display: flex; gap: 4px; align-items: center; margin-top: 6px; font-size: 12px; line-height: 16px; color: var(--color-text-sub-600); }
.o-hint.is-error { color: var(--color-error-base); }

/* SegmentedControl: pill blanca sobre fondo gris */
.o-seg { display: flex; gap: 2px; padding: 3px; border-radius: var(--radius-10); background: var(--color-bg-weak-50); box-shadow: var(--ring); flex-wrap: wrap; }
.o-seg button {
  flex: 1 1 0; min-width: 64px; min-height: 38px; border: 0; border-radius: var(--radius-8); background: transparent;
  color: var(--color-text-sub-600); font: 500 14px/18px var(--font-sans); padding: 8px 10px; cursor: pointer;
  transition: background 200ms var(--ease-bia), color 200ms var(--ease-bia), box-shadow 200ms var(--ease-bia);
}
.o-seg button:hover { color: var(--color-text-strong-950); }
.o-seg button[aria-pressed="true"] { background: var(--color-bg-white-0); color: var(--color-text-strong-950); box-shadow: var(--shadow-regular-xs), var(--ring); }
.o-seg button:focus-visible { outline: none; box-shadow: var(--focus); }

/* Checkbox: teal solo cuando está marcado */
.o-check { display: flex; align-items: center; gap: 10px; min-height: var(--ctl-h); font-size: 14px; cursor: pointer; }
.o-check input {
  appearance: none; -webkit-appearance: none; width: 20px; height: 20px; margin: 0; border-radius: var(--radius-6);
  background: var(--color-bg-white-0); box-shadow: inset 0 0 0 1.5px var(--color-stroke-sub-300);
  display: grid; place-content: center; flex: none; cursor: pointer;
}
.o-check input:checked { background: var(--color-brand-base); box-shadow: none; }
.o-check input:checked::after {
  content: ""; width: 10px; height: 6px; border: 2px solid var(--color-static-white);
  border-top: 0; border-right: 0; transform: rotate(-45deg) translate(1px, -1px);
}
.o-check input:focus-visible { outline: none; box-shadow: var(--focus); }

/* Botones */
.o-btn, .o-btn-fancy, .o-btn-compact {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: var(--ctl-h); padding: 10px 16px;
  border: 0; border-radius: var(--radius-10); font: 500 14px/20px var(--font-sans); cursor: pointer; text-decoration: none;
  transition: background 200ms var(--ease-bia), box-shadow 200ms var(--ease-bia), transform 150ms var(--ease-bia);
}
.o-btn { background: var(--color-bg-white-0); color: var(--color-text-sub-600); box-shadow: var(--ring), var(--shadow-regular-xs); }
.o-btn:hover { background: var(--color-bg-weak-50); color: var(--color-text-strong-950); }
.o-btn-fancy {
  background: var(--color-bg-strong-950); color: var(--color-text-white-0);
  box-shadow: 0 0 0 1px var(--color-bg-strong-950), 0 1px 2px rgba(23, 23, 23, .24), inset 0 1px 0 rgba(255, 255, 255, .16);
}
.o-btn-fancy:hover { background: var(--color-bg-surface-800); }
.o-btn-compact { min-height: 36px; min-width: 36px; padding: 6px; background: transparent; color: var(--color-text-sub-600); }
.o-btn-compact:hover { background: var(--color-bg-weak-50); color: var(--color-text-strong-950); }
.o-btn:active, .o-btn-fancy:active { transform: scale(.98); }
.o-btn:focus-visible, .o-btn-fancy:focus-visible, .o-btn-compact:focus-visible { outline: none; box-shadow: var(--focus); }
.o-btn[disabled], .o-btn-fancy[disabled] { background: var(--color-bg-weak-50); color: var(--color-text-disabled-300); box-shadow: none; cursor: default; }
.o-btn.is-error { color: var(--color-error-base); }
.o-btn i, .o-btn-fancy i, .o-btn-compact i { font-size: 18px; line-height: 1; }
.o-link {
  background: none; border: 0; padding: 0; color: var(--color-brand-base); font: 500 14px/20px var(--font-sans);
  cursor: pointer; text-decoration: underline; text-underline-offset: 3px;
}
.is-loading { position: relative; color: transparent !important; pointer-events: none; }
.is-loading::after {
  content: ""; position: absolute; width: 16px; height: 16px; border-radius: 50%; border: 2px solid;
  border-color: var(--color-text-white-0) transparent var(--color-text-white-0) transparent; animation: o-spin 700ms linear infinite;
}
@keyframes o-spin { to { transform: rotate(360deg); } }

/* Badges, alertas, progreso */
.o-badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 2px 8px; border-radius: 999px; font: 500 12px/18px var(--font-sans);
  background: var(--color-bg-weak-50); color: var(--color-text-sub-600); box-shadow: var(--ring);
}
.o-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.o-badge.is-ok { color: var(--color-success-base); background: var(--color-success-lighter); box-shadow: none; }
.o-badge.is-warn { color: var(--color-warning-base); background: var(--color-warning-lighter); box-shadow: none; }
.o-badge.is-error { color: var(--color-error-base); background: var(--color-error-lighter); box-shadow: none; }
.o-alert {
  display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: var(--radius-12);
  background: var(--color-information-lighter); color: var(--color-text-strong-950); font-size: 14px; line-height: 20px;
}
.o-alert i { font-size: 18px; color: var(--color-information-base); }
.o-alert.is-warning { background: var(--color-warning-lighter); }
.o-alert.is-warning i { color: var(--color-warning-base); }
.o-alert .o-alert-body { flex: 1; min-width: 0; }
.o-progress { height: 6px; border-radius: 999px; background: var(--color-bg-soft-200); overflow: hidden; }
.o-progress > span { display: block; height: 100%; background: var(--color-brand-base); border-radius: inherit; transition: width 300ms var(--ease-bia); }

/* Lienzos de firma y dibujo (fondo blanco también en tema oscuro, como el papel) */
canvas.o-pad { display: block; width: 100%; height: 160px; border-radius: var(--radius-10); background: #ffffff; box-shadow: var(--ring); cursor: crosshair; }
canvas.o-pad.is-grid {
  height: auto; aspect-ratio: 1 / 1;
  background-image: linear-gradient(#e5e5e5 1px, transparent 1px), linear-gradient(90deg, #e5e5e5 1px, transparent 1px);
  background-size: 20px 20px;
}

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

/* ───────── Formulario ───────── */
.f-wrap { display: grid; gap: 12px; padding: 12px 16px 120px; max-width: 720px; margin: 0 auto; }
.f-index { display: flex; gap: 6px; overflow-x: auto; padding: 4px 0 8px; scrollbar-width: none; }
.f-index::-webkit-scrollbar { display: none; }
.f-chip { flex: none; border: 0; border-radius: 999px; padding: 6px 12px; min-height: 32px; background: var(--color-bg-white-0);
  color: var(--color-text-sub-600); font: 500 13px/18px var(--font-sans); box-shadow: var(--ring); cursor: pointer; }
.f-chip:hover { color: var(--color-text-strong-950); }
.f-sec > summary { display: flex; align-items: center; gap: 10px; padding: 14px 16px; min-height: 56px; cursor: pointer; list-style: none; }
.f-sec > summary::-webkit-details-marker { display: none; }
.f-sec > summary h2 { flex: 1; min-width: 0; font-size: 17px; line-height: 22px; }
.f-sec > summary > i { font-size: 20px; color: var(--color-text-soft-400); transition: transform 200ms var(--ease-bia); }
.f-sec[open] > summary > i { transform: rotate(180deg); }
.f-num { flex: none; width: 24px; height: 24px; border-radius: 999px; display: grid; place-content: center;
  background: var(--color-bg-weak-50); color: var(--color-text-sub-600); font: 500 12px/1 var(--font-sans); }
.f-count { flex: none; font-size: 12px; color: var(--color-text-soft-400); }
.f-body { display: grid; gap: 16px; padding: 0 16px 16px; }
.f-note { margin: 0; font-size: 13px; color: var(--color-text-sub-600); }
.f-field { min-width: 0; }
.f-tools { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.f-multi { display: grid; }
.f-photo { display: block; width: 100%; max-height: 320px; object-fit: contain; border-radius: var(--radius-10); background: var(--color-bg-weak-50); }
.f-grid, .f-list { display: grid; gap: 10px; }
.f-grid > .o-sub, .f-field > .o-sub { margin-bottom: 2px; }
.f-row { display: grid; gap: 12px; padding: 12px; border-radius: var(--radius-12); background: var(--color-bg-weak-50); }
.f-row .o-input, .f-row .o-select { background: var(--color-bg-white-0); }
.f-row-title { display: flex; align-items: center; justify-content: space-between; font: 500 14px/20px var(--font-sans); }
.f-cols { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.f-cols .o-seg button { min-width: 48px; }

/* ───────── Pantallas ───────── */
.a-top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 8px; min-height: 56px;
  padding: calc(8px + env(safe-area-inset-top, 0px)) 16px 8px; background: var(--color-bg-weak-25);
  box-shadow: inset 0 -1px 0 var(--color-stroke-soft-200); }
.a-top-title { flex: 1; min-width: 0; font-size: 18px; line-height: 24px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.a-page { display: grid; gap: 16px; padding: 16px 16px 32px; max-width: 720px; margin: 0 auto; }
.a-wide { width: 100%; }
.a-muted { color: var(--color-text-sub-600); font-size: 13px; }
.a-empty { text-align: center; margin: 24px 0; }
.a-list-title { margin: 8px 0 -4px; }
.a-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.a-item { padding: 14px 16px; display: grid; gap: 12px; }
.a-item-head { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; }
.a-item-title { display: grid; gap: 2px; min-width: 0; }
.a-item-title strong { font-weight: 500; font-size: 15px; }
.a-item-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.a-item-actions .o-btn { flex: 1 1 auto; }
.a-block { padding: 16px; display: grid; gap: 10px; }
.a-checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.a-check { display: flex; align-items: center; gap: 10px; min-height: 40px; }
.a-check > i { font-size: 18px; color: var(--color-warning-base); }
.a-check > span { flex: 1; min-width: 0; }
.a-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.a-actions > .o-btn-fancy { flex: 1 1 160px; }
.a-sticky { position: sticky; top: 64px; z-index: 5; padding: 8px 0; background: var(--color-bg-weak-25); }
.a-fmt { flex: 0 0 auto; }
.a-fmt button { min-width: 56px; }
.a-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 10; background: var(--color-bg-white-0);
  box-shadow: 0 -1px 0 var(--color-stroke-soft-200), 0 -8px 24px rgba(23, 23, 23, .06);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px)); }
.a-bar-in { display: flex; align-items: center; gap: 12px; max-width: 720px; margin: 0 auto; }
.a-meter { flex: 1; display: grid; gap: 6px; min-width: 0; }
.a-notice { max-width: 720px; margin: 8px auto 0; font-size: 13px; color: var(--color-warning-base); }
.a-status:empty { display: none; }
.v-stage { display: grid; gap: 16px; }
.v-frame { position: relative; overflow: hidden; border-radius: var(--radius-12); box-shadow: var(--shadow-card); }
.v-frame > .page { transform-origin: top left; position: absolute; top: 0; left: 0; }