/* Remitos GALA — estilos. Colores de marca en :root. */
:root {
  --violeta: #4B2A8C;
  --violeta-osc: #3a1f6e;
  --violeta-claro: #9b7fe6;
  --violeta-suave: #efeaf8;
  --negro: #141414;
  --texto: #1d1d1f;
  --gris: #77737f;
  --gris-claro: #a5a1ad;
  --linea: #dcd8e3;
  --fondo: #f4f2f8;
  --blanco: #ffffff;
  --error: #b3261e;
  --radio: 14px;
  --f-titulo: "Roboto Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --f-texto: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font-family: var(--f-texto);
  font-size: 16px;
  line-height: 1.4;
  -webkit-tap-highlight-color: transparent;
}
body.sin-scroll { overflow: hidden; }
[hidden] { display: none !important; }

/* ---------- Barra superior ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: var(--blanco);
  border-bottom: 1px solid var(--linea);
  padding: calc(8px + env(safe-area-inset-top)) 16px 0;
}
.marca { display: flex; align-items: center; gap: 10px; padding-bottom: 6px; }
.marca img { width: 44px; height: auto; }
.marca-txt { display: flex; flex-direction: column; line-height: 1.05; }
.marca-txt strong { font-family: var(--f-titulo); font-size: 20px; letter-spacing: .04em; color: var(--violeta); }
.marca-txt span { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--gris); }
.tabs { display: flex; gap: 4px; }
.tab {
  flex: 1; min-height: 48px; border: 0; background: none;
  font: 700 16px var(--f-titulo); letter-spacing: .03em; text-transform: uppercase;
  color: var(--gris); border-bottom: 3px solid transparent; cursor: pointer;
}
.tab.activo { color: var(--violeta); border-bottom-color: var(--violeta); }

/* ---------- Pantallas ---------- */
main { max-width: 720px; margin: 0 auto; padding: 16px 16px calc(32px + env(safe-area-inset-bottom)); }
.pantalla { display: none; }
.pantalla.activa { display: block; }
h1 { font: 700 28px/1.1 var(--f-titulo); margin: 6px 0 4px; letter-spacing: .01em; }
.sub { margin: 0 0 14px; color: var(--gris); font-size: 15px; }

.card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 1px 2px rgba(20, 10, 40, .06);
}
.card h2 {
  margin: 0 0 12px;
  font: 700 13px var(--f-titulo);
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--violeta);
}
.card p { margin: 0 0 12px; color: var(--gris); font-size: 15px; }

.campo { display: block; margin-bottom: 12px; }
.campo:last-child { margin-bottom: 0; }
.campo > span {
  display: block; margin-bottom: 4px;
  font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .08em; color: var(--gris);
}
input[type="text"], input[type="tel"], input[type="date"], textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 12px;
  font: 16px var(--f-texto); /* 16px: evita el zoom automático de iOS */
  color: var(--texto);
  background: var(--blanco);
  border: 1.5px solid var(--linea);
  border-radius: 10px;
  appearance: none; -webkit-appearance: none;
}
input[type="date"] { display: block; min-width: 0; }
input[type="date"]::-webkit-date-and-time-value { text-align: left; } /* iPhone la centraba */
textarea { resize: vertical; min-height: 84px; }
input:focus, textarea:focus { outline: none; border-color: var(--violeta); box-shadow: 0 0 0 3px rgba(75, 42, 140, .15); }
input.invalido { border-color: var(--error); }
.ayuda { margin: -6px 0 12px; font-size: 13px; color: var(--violeta); }
.error {
  background: #fdecea; color: var(--error); border-radius: 10px;
  padding: 12px 14px; margin: 0 0 14px; font-weight: 500;
}

/* Ítems */
.item { border: 1.5px solid var(--linea); border-radius: 12px; padding: 12px; margin-bottom: 12px; }
.item-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.item-n { font: 700 15px var(--f-titulo); text-transform: uppercase; letter-spacing: .06em; }
.btn-quitar {
  min-height: 40px; padding: 0 12px; border: 0; background: none;
  color: var(--error); font: 500 15px var(--f-texto); cursor: pointer;
}
.item-grid { display: grid; grid-template-columns: 96px 1fr; gap: 0 10px; }
.item-grid .campo { margin-bottom: 10px; }
.item-grid .c-full { grid-column: 1 / -1; }
.item-grid .campo:last-child { margin-bottom: 0; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 0 18px;
  border-radius: 999px; border: 2px solid transparent;
  font: 500 17px var(--f-texto);
  cursor: pointer; text-align: center;
  touch-action: manipulation;
}
.btn:disabled { opacity: .55; cursor: default; }
.btn-pri { background: var(--violeta); color: var(--blanco); }
.btn-pri:active { background: var(--violeta-osc); }
.btn-sec { background: var(--blanco); color: var(--violeta); border-color: var(--violeta); }
.btn-sec:active { background: var(--violeta-suave); }
.btn-peligro { background: var(--blanco); color: var(--error); border-color: #e6b4b0; }
.btn-link { background: none; color: var(--gris); min-height: 48px; }
.btn-bloque { display: flex; width: 100%; }
.card .btn-bloque + .btn-bloque { margin-top: 10px; }
.acciones-form { display: grid; grid-template-columns: 1fr 1.4fr; gap: 10px; margin-top: 4px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.grid2 > * { min-width: 0; } /* el campo fecha de iPhone no empuja la columna fuera de la pantalla */
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }

/* ---------- Lista ---------- */
.vacio { text-align: center; color: var(--gris); padding: 28px 12px; }
.r-item { padding: 14px 16px; }
.r-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.r-num { font: 700 20px var(--f-titulo); color: var(--violeta); letter-spacing: .02em; }
.r-fecha { color: var(--gris); font-size: 14px; }
.r-cliente { font-weight: 500; font-size: 17px; margin: 2px 0; word-break: break-word; }
.r-meta { color: var(--gris); font-size: 13px; margin-bottom: 10px; }
.r-meta .firmado { color: #217a3c; font-weight: 500; }
.r-acc { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.r-acc .btn { min-height: 46px; padding: 0 8px; font-size: 15px; }

/* ---------- Vista previa (pantalla completa) ---------- */
.preview {
  position: fixed; inset: 0; z-index: 30;
  display: flex; flex-direction: column;
  background: #e9e6ef;
  /* Sin "height: 100vh": en iPhone 100vh es más alto que lo visible y tapaba los botones de abajo.
     inset: 0 ya ocupa exactamente la pantalla visible. */
}
.preview-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--blanco); border-bottom: 1px solid var(--linea);
  padding: calc(8px + env(safe-area-inset-top)) 12px 8px 16px;
}
.preview-head h2 { margin: 0; font: 700 19px var(--f-texto); }
.btn-x {
  width: 48px; height: 48px; flex: none;
  border-radius: 50%; border: 2.5px solid var(--negro); background: var(--blanco);
  font: 400 30px/1 var(--f-texto); color: var(--negro); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; padding: 0 0 3px;
}
.preview-body { flex: 1; overflow: auto; -webkit-overflow-scrolling: touch; padding: 12px; }
.hojas-frame { margin: 0 auto; overflow: hidden; }
.hojas { width: 794px; transform-origin: top left; }
.hojas .hoja { box-shadow: 0 2px 10px rgba(20, 10, 40, .18); margin-bottom: 18px; }
.preview-bar {
  background: var(--blanco); border-top: 1px solid var(--linea);
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  display: grid; gap: 8px;
}
.preview-bar .btn { min-height: 50px; font-size: 16px; padding: 0 10px; }
.check { display: flex; align-items: center; gap: 10px; min-height: 40px; font-size: 15px; cursor: pointer; }
.check input { width: 24px; height: 24px; accent-color: var(--violeta); flex: none; }

/* ---------- Modal firma ---------- */
.modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(20, 10, 40, .55);
  display: flex; align-items: flex-end; justify-content: center;
}
.modal-caja {
  background: var(--blanco); width: 100%; max-width: 560px;
  border-radius: 18px 18px 0 0;
  padding: 18px 16px calc(16px + env(safe-area-inset-bottom));
  max-height: 100%; overflow: auto;
}
.modal-caja h2 { margin: 0 0 2px; font: 700 22px var(--f-titulo); }
.firma-zona { position: relative; margin-bottom: 14px; }
#firma-canvas {
  display: block; width: 100%; height: 200px;
  border: 2px dashed var(--violeta-claro); border-radius: 12px; background: #fcfbfe;
  touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
}
.firma-linea {
  position: absolute; left: 24px; right: 24px; bottom: 46px;
  border-bottom: 1px solid var(--gris-claro); pointer-events: none;
}
.modal .grid2 .campo { margin-bottom: 12px; }
.modal .grid3 { margin-top: 6px; }
.modal .grid3 .btn { padding: 0 6px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); z-index: 80;
  transform: translate(-50%, 30px); opacity: 0; pointer-events: none;
  background: var(--negro); color: var(--blanco);
  padding: 12px 18px; border-radius: 12px; font-size: 15px;
  max-width: calc(100% - 32px); width: max-content; text-align: center;
  transition: opacity .2s, transform .2s;
}
.toast.visible { opacity: 1; transform: translate(-50%, 0); }

/* =========================================================
   HOJA DEL REMITO (A4). Medidas en px fijos: 794px = 210mm a 96 dpi,
   así la vista previa, el PDF y la impresión salen iguales.
   ========================================================= */
.hoja {
  width: 794px; height: 1120px; overflow: hidden; /* una hoja = una página A4 exacta */
  background: #fff; color: #1a1a1a;
  padding: 52px 56px 44px;
  font-family: var(--f-texto); font-size: 12px; line-height: 1.4;
  display: flex; flex-direction: column;
  -webkit-print-color-adjust: exact; print-color-adjust: exact;
}
.medidor { position: absolute; left: -10000px; top: 0; width: 794px; visibility: hidden; pointer-events: none; }
.medidor .hoja { height: auto; } /* para medir cuánto ocupa el contenido */
.hoja-top { display: grid; grid-template-columns: 1fr auto 1fr; align-items: start; gap: 16px; }
.hoja-logo { width: 120px; height: auto; display: block; }
.hoja-x { display: flex; flex-direction: column; align-items: center; padding-top: 4px; }
.x-box {
  width: 54px; height: 54px; border: 2px solid #1a1a1a;
  display: flex; align-items: center; justify-content: center;
  font: 700 38px/1 var(--f-titulo);
}
.x-leyenda { margin-top: 5px; font-size: 8.5px; text-transform: uppercase; letter-spacing: .06em; text-align: center; color: #555; line-height: 1.3; }
.hoja-titulo { justify-self: end; text-align: right; }
.marca-copia {
  display: inline-block; margin-bottom: 6px;
  border: 1.5px solid var(--violeta); color: var(--violeta);
  font: 700 11px var(--f-titulo); letter-spacing: .18em; padding: 3px 10px; border-radius: 4px;
}
.hoja-titulo h1 { margin: 0 0 8px; font: 700 30px/1 var(--f-titulo); letter-spacing: .05em; }
.hoja-num { border-collapse: collapse; margin-left: auto; font-size: 11px; }
.hoja-num th, .hoja-num td { border: 1px solid #8a8a8a; padding: 4px 9px; }
.hoja-num th { background: #f1f1f1; font-weight: 500; font-size: 8.5px; text-transform: uppercase; letter-spacing: .06em; color: #555; text-align: left; }
.hoja-num td { font-weight: 700; min-width: 92px; text-align: left; }
.provisorio { margin: 6px 0 0; font-size: 9.5px; color: var(--violeta); font-weight: 500; }
.hoja-regla { border-top: 2px solid #1a1a1a; margin: 18px 0 16px; }
.hoja-label { font: 700 9.5px var(--f-titulo); text-transform: uppercase; letter-spacing: .12em; color: var(--violeta); margin-bottom: 8px; }
.hoja-datos { display: grid; grid-template-columns: 1fr 1fr; gap: 9px 28px; margin-bottom: 22px; }
.hoja-datos .d-full { grid-column: 1 / -1; }
.d-lbl { font-size: 8.5px; text-transform: uppercase; letter-spacing: .08em; color: #8a8a8a; margin-bottom: 1px; }
.d-val { font-size: 12.5px; word-break: break-word; }
.hoja-h2 {
  margin: 0 0 10px; padding-bottom: 6px; border-bottom: 1.5px solid #1a1a1a;
  font: 700 15px var(--f-titulo); text-transform: uppercase; letter-spacing: .07em;
}
.hoja-tabla { width: 100%; border-collapse: collapse; margin-bottom: 20px; border: 1px solid #d6d6d6; }
.hoja-tabla th {
  font-size: 8.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
  text-align: left; padding: 8px 9px; border-bottom: 1.5px solid #1a1a1a;
}
.hoja-tabla td { padding: 8px 9px; border-bottom: 1px solid #e3e3e3; vertical-align: top; word-break: break-word; }
.hoja-tabla tr { page-break-inside: avoid; break-inside: avoid; }
.hoja-tabla .c-cant { width: 74px; text-align: right; font-weight: 700; }
.hoja-tabla th.c-cant { font-weight: 700; }
.hoja-tabla .c-prod { width: 34%; }
.hoja-obs { border-left: 3px solid var(--violeta); padding: 2px 0 2px 12px; margin-bottom: 22px; }
.hoja-obs .d-val { white-space: pre-wrap; color: #444; }
.continua { margin: -8px 0 0; text-align: right; font-size: 10px; font-style: italic; color: #777; }
.recepcion { page-break-inside: avoid; break-inside: avoid; margin-bottom: 22px; }
.rec-grid { display: grid; grid-template-columns: 1.5fr 1.2fr .8fr .9fr; gap: 0 18px; align-items: end; padding-top: 6px; }
.rec-area { height: 70px; border-bottom: 1px solid #1a1a1a; display: flex; align-items: flex-end; justify-content: center; }
.rec-area img { max-height: 68px; max-width: 100%; display: block; }
.rec-val { min-height: 22px; border-bottom: 1px solid #1a1a1a; font-size: 12px; padding-bottom: 2px; word-break: break-word; }
.rec-lbl { font-size: 8.5px; text-transform: uppercase; letter-spacing: .08em; color: #8a8a8a; margin-top: 4px; }
.hoja-pie {
  margin-top: auto;
  background: #141414; color: #fff; border-radius: 8px;
  padding: 14px 18px;
  -webkit-print-color-adjust: exact; print-color-adjust: exact;
  page-break-inside: avoid; break-inside: avoid;
}
.pie-nombre { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 12px; margin-bottom: 8px; }
.pie-datos { display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 10px; }
.pie-datos span { display: inline-flex; align-items: center; gap: 6px; }
.pie-datos u { text-decoration-color: #777; }
.pie-ico { width: 13px; height: 13px; flex: none; stroke: var(--violeta-claro); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.pie-nombre .pie-ico { stroke: #fff; width: 15px; height: 15px; }

/* =========================================================
   IMPRESIÓN: solo las hojas, A4, una por página.
   ========================================================= */
@page { size: A4; margin: 0; }
@media print {
  html, body { background: #fff !important; }
  body.sin-scroll { overflow: visible; }
  .topbar, body.sin-scroll main, .preview-head, .preview-bar, .modal, .toast, .provisorio { display: none !important; }
  .preview:not([hidden]) { position: static !important; display: block !important; height: auto !important; background: #fff !important; }
  .preview-body { overflow: visible !important; padding: 0 !important; }
  .hojas-frame { width: auto !important; height: auto !important; overflow: visible !important; }
  .hojas { transform: none !important; width: auto !important; }
  .hojas .hoja {
    width: 210mm; height: 296mm; margin: 0 !important; box-shadow: none !important;
    page-break-after: always; break-after: page;
  }
  .hojas .hoja:last-child { page-break-after: auto; break-after: auto; }
}