/* ══════════════════════════════════════════════════
   AM3D — app del móvil (PWA)
   Hoja independiente: no carga styles.css, que son 38 KB pensados
   para el escritorio. Aquí solo va lo que se usa en el móvil.
   ══════════════════════════════════════════════════ */

:root {
  --void:   #f7f8f3;
  --plate:  #edf0e6;
  --panel:  #ffffff;
  --panel2: #f2f5ea;
  --line:   #dfe4d3;
  --line2:  #bcc4ab;
  --ink:    #161c12;
  --dim:    #4e5647;
  --dim2:   #616a59;

  /* SOLO botones y enlaces de acción */
  --hot:     #a8e01e;
  --btn-ink: #16200a;

  --lila: #3d5a1e;
  --cool: #0a7183;
  --rojo: #a3341c;

  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --r: 12px;
  --barra: 64px;               /* alto de la barra de pestañas */
  --hueco: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior-y: none;
}

body {
  padding-bottom: calc(var(--barra) + var(--hueco));
  /* rejilla de plano técnico, muy tenue */
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 28px 28px;
  background-attachment: fixed;
}

button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
svg { fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

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

/* ───────── Cabecera ───────── */
.cabecera {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: baseline; gap: 8px;
  padding: calc(env(safe-area-inset-top, 0px) + 12px) 16px 12px;
  background: color-mix(in srgb, var(--void) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.marca { font-size: 1.25rem; font-weight: 800; letter-spacing: -.03em; }
.marca b { color: var(--lila); }
.marca-sub {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--dim2);
}
.estado-red {
  margin-left: auto; font-family: var(--mono); font-size: .62rem;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--rojo); border: 1px solid currentColor;
  border-radius: 99px; padding: 2px 8px;
}

/* ───────── Vistas ───────── */
.vista { display: none; padding: 20px 16px 28px; }
.vista.on { display: block; animation: entra .22s ease-out; }
@keyframes entra { from { opacity: 0; transform: translateY(6px); } }
@media (prefers-reduced-motion: reduce) { .vista.on { animation: none; } }

.titulo { font-size: 1.6rem; line-height: 1.15; letter-spacing: -.02em; margin: 0 0 6px; }
.entradilla { margin: 0 0 18px; color: var(--dim); }
.etiqueta {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--dim2); margin: 18px 0 8px;
}

/* ───────── Chips (filtros, material, acabado) ───────── */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 42px; padding: 0 14px;
  background: var(--panel); border: 1.5px solid var(--line2);
  border-radius: 99px; font-size: .9rem; color: var(--dim);
}
.chip.on { background: var(--ink); border-color: var(--ink); color: var(--void); font-weight: 600; }
.chip:disabled { opacity: .45; }
.chip .punto { width: 10px; height: 10px; border-radius: 50%; background: currentColor; }
.chip .proximamente {
  font-family: var(--mono); font-size: .58rem; text-transform: uppercase;
  letter-spacing: .08em; opacity: .7;
}

/* ───────── Proyectos ───────── */
.rejilla {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-top: 16px;
}
.pieza {
  position: relative; margin: 0; padding: 0;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); overflow: hidden; text-align: left;
  width: 100%;
}
.pieza img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--plate); }
.pieza figcaption { padding: 9px 10px 11px; }
.pieza h3 { margin: 0; font-size: .82rem; line-height: 1.25; font-weight: 650; }
.pieza .lic {
  position: absolute; top: 8px; left: 8px;
  background: color-mix(in srgb, var(--ink) 86%, transparent); color: var(--void);
  font-family: var(--mono); font-size: .55rem; letter-spacing: .08em;
  text-transform: uppercase; padding: 3px 7px; border-radius: 5px;
}
.pieza .varias {
  position: absolute; top: 8px; right: 8px;
  background: color-mix(in srgb, var(--ink) 86%, transparent); color: var(--void);
  font-family: var(--mono); font-size: .6rem; padding: 3px 7px; border-radius: 5px;
}

/* ───────── Aviso legal ───────── */
.aviso-legal {
  margin-top: 22px; padding: 12px 14px;
  background: var(--panel2); border: 1px dashed var(--line2);
  border-radius: var(--r); font-size: .78rem; color: var(--dim); line-height: 1.5;
}

/* ───────── Presupuesto: las dos vías ───────── */
.vias { display: grid; gap: 8px; margin-bottom: 18px; }
.vias button {
  display: block; text-align: left; padding: 13px 15px;
  background: var(--panel); border: 1.5px solid var(--line2);
  border-radius: var(--r); color: var(--dim);
}
.vias button.on { border-color: var(--ink); background: var(--panel2); color: var(--ink); }
.vias b { display: block; font-size: .98rem; }
.vias span { font-size: .8rem; color: var(--dim2); }

/* ───────── Elegir archivo ───────── */
.soltar {
  padding: 22px 16px; text-align: center;
  background: var(--panel); border: 2px dashed var(--line2);
  border-radius: var(--r);
}
.btn-archivo {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 50px; padding: 0 22px;
  background: var(--hot); color: var(--btn-ink);
  border: 2px solid var(--ink); border-radius: var(--r);
  font-weight: 700; box-shadow: 3px 3px 0 var(--ink);
}
.btn-archivo svg { width: 20px; height: 20px; }
.soltar-pie { margin: 12px 0 0; font-size: .78rem; color: var(--dim); }

.medido { background: var(--panel); border: 1px solid var(--line2); border-radius: var(--r); overflow: hidden; }
.medido-cab {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: .8rem;
}
.medido-cab span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.quitar {
  margin-left: auto; flex: none; background: none; border: 1px solid var(--line2);
  border-radius: 99px; padding: 5px 12px; font-size: .75rem; color: var(--dim);
}
.medido-datos { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; }
.medido-datos > div { padding: 11px 8px; text-align: center; border-right: 1px solid var(--line); }
.medido-datos > div:last-child { border-right: 0; }
.medido-datos dt {
  font-family: var(--mono); font-size: .58rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--dim2);
}
.medido-datos dd { margin: 3px 0 0; font-weight: 650; font-size: .88rem; }

.error {
  margin: 12px 0 0; padding: 11px 14px;
  background: color-mix(in srgb, var(--rojo) 8%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--rojo) 35%, var(--line));
  border-radius: var(--r); font-size: .84rem; color: var(--rojo);
}
.error a { color: inherit; }

/* ───────── Campos ───────── */
.campos {
  margin: 18px 0 0; padding: 4px 15px 18px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
}
.campos legend {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--dim2); padding: 0 4px;
}
fieldset.campos { border: 1px solid var(--line); padding-top: 12px; }
.tres { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.tres label { display: block; font-size: .74rem; color: var(--dim2); }
.tres input {
  width: 100%; margin-top: 4px; min-height: 46px; padding: 0 10px;
  background: var(--void); border: 1.5px solid var(--line2);
  border-radius: 9px; font-weight: 600;
}

.rango { display: block; margin-top: 18px; }
.rango > span {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: .66rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--dim2); margin-bottom: 10px;
}
.rango b { color: var(--ink); font-size: .8rem; letter-spacing: 0; }
.rango input {
  width: 100%; height: 28px; -webkit-appearance: none; appearance: none; background: none;
}
.rango input::-webkit-slider-runnable-track {
  height: 6px; border-radius: 99px; background: var(--line);
}
.rango input::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 26px; height: 26px; margin-top: -10px; border-radius: 50%;
  background: var(--ink); border: 3px solid var(--void);
  box-shadow: 0 0 0 1.5px var(--ink);
}
.rango input::-moz-range-track { height: 6px; border-radius: 99px; background: var(--line); }
.rango input::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--ink); border: 3px solid var(--void);
}

.pasos {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 20px;
}
.pasos > span {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--dim2);
}
.stepper { display: flex; align-items: center; border: 1.5px solid var(--line2); border-radius: 99px; overflow: hidden; }
.stepper button {
  width: 46px; height: 46px; background: var(--void); border: 0;
  font-size: 1.35rem; line-height: 1; color: var(--ink);
}
.stepper button:active { background: var(--panel2); }
.stepper input {
  width: 56px; height: 46px; text-align: center; border: 0;
  border-left: 1.5px solid var(--line2); border-right: 1.5px solid var(--line2);
  background: var(--panel); font-weight: 700;
  -moz-appearance: textfield;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ───────── Resultado ───────── */
.ticket {
  margin-top: 18px; padding: 18px 16px;
  background: var(--panel); border: 2px solid var(--ink);
  border-radius: var(--r); box-shadow: 4px 4px 0 var(--line2);
}
.ticket-cab {
  margin: 0; font-family: var(--mono); font-size: .64rem;
  letter-spacing: .16em; text-transform: uppercase; color: var(--dim2);
}
.ticket-total {
  margin: 4px 0 0; font-size: 2.4rem; font-weight: 800;
  letter-spacing: -.03em; line-height: 1.05;
}
.ticket-unit { margin: 4px 0 0; font-size: .86rem; color: var(--dim); }
.ticket-nota {
  margin: 14px 0 0; padding-top: 13px; border-top: 1px solid var(--line);
  font-size: .78rem; color: var(--dim); line-height: 1.5;
}
.tecnicos {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; margin: 15px 0 0; padding: 0;
  background: var(--line); border: 1px solid var(--line); border-radius: 9px; overflow: hidden;
}
.tecnicos > div { background: var(--panel2); padding: 9px 6px; text-align: center; }
.tecnicos dt {
  font-family: var(--mono); font-size: .55rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--dim2);
}
.tecnicos dd { margin: 2px 0 0; font-weight: 650; font-size: .84rem; }

.btn {
  display: flex; align-items: center; justify-content: center;
  min-height: 52px; margin-top: 15px; padding: 0 18px;
  background: var(--hot); color: var(--btn-ink);
  border: 2px solid var(--ink); border-radius: var(--r);
  font-weight: 700; text-decoration: none; text-align: center;
  box-shadow: 3px 3px 0 var(--ink);
}
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn-plano {
  display: block; margin-top: 10px; padding: 12px;
  text-align: center; font-size: .86rem; color: var(--cool);
}
.cargando {
  margin-top: 14px; text-align: center;
  font-family: var(--mono); font-size: .74rem; color: var(--dim2);
}

/* ───────── Contacto ───────── */
.tarjeta-contacto {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 10px; padding: 15px;
  background: var(--panel); border: 1.5px solid var(--line2);
  border-radius: var(--r); text-decoration: none; color: inherit;
}
.tarjeta-contacto svg { width: 26px; height: 26px; flex: none; color: var(--lila); }
.tarjeta-contacto span { display: flex; flex-direction: column; font-size: .86rem; color: var(--dim); }
.tarjeta-contacto b { font-size: 1rem; color: var(--ink); }
.tarjeta-contacto.wa { border-color: var(--ink); box-shadow: 3px 3px 0 var(--line2); }

.bloque {
  margin-top: 20px; padding: 16px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
}
.bloque h2 {
  margin: 0 0 10px; font-family: var(--mono); font-size: .66rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--dim2); font-weight: 600;
}
.lista, .pasos-lista { margin: 0; padding-left: 18px; font-size: .9rem; color: var(--dim); }
.lista li, .pasos-lista li { margin-bottom: 7px; }
.pasos-lista b { color: var(--ink); }
.instalar p { margin: 0 0 4px; font-size: .88rem; color: var(--dim); }

/* ───────── Barra de pestañas ───────── */
.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: grid; grid-template-columns: repeat(3, 1fr);
  padding-bottom: var(--hueco);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--line2);
}
.tabs button {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; height: var(--barra); border: 0; background: none;
  font-family: var(--mono); font-size: .6rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--dim2);
  border-top: 2.5px solid transparent; margin-top: -1px;
}
.tabs button svg { width: 22px; height: 22px; }
.tabs button.on { color: var(--ink); border-top-color: var(--lila); font-weight: 700; }

/* ───────── Ficha de un trabajo ───────── */
.ficha {
  width: 100%; max-width: 100%; max-height: 92dvh;
  margin: auto auto 0; padding: 0;
  background: var(--panel); border: 0;
  border-radius: 18px 18px 0 0;
  overflow-y: auto; overscroll-behavior: contain;
}
.ficha::backdrop { background: color-mix(in srgb, var(--ink) 55%, transparent); }
.ficha-cerrar {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  width: 38px; height: 38px; border-radius: 50%;
  background: color-mix(in srgb, var(--ink) 78%, transparent);
  color: var(--void); border: 0; font-size: 1rem;
}
.ficha-fotos { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }
.ficha-fotos img {
  flex: none; width: 100%; aspect-ratio: 1; object-fit: cover;
  scroll-snap-align: center; background: var(--plate);
}
.ficha-puntos { display: flex; justify-content: center; gap: 6px; padding: 10px 0 0; }
.ficha-puntos i { width: 7px; height: 7px; border-radius: 50%; background: var(--line2); }
.ficha-puntos i.on { background: var(--ink); }
.ficha-texto { padding: 12px 18px calc(24px + var(--hueco)); }
.ficha-texto h2 { margin: 0 0 6px; font-size: 1.2rem; line-height: 1.2; }
.ficha-texto p { margin: 0; color: var(--dim); font-size: .92rem; }
.ficha-licencia {
  display: inline-block; margin-bottom: 8px; padding: 3px 9px;
  background: var(--ink); color: var(--void); border-radius: 5px;
  font-family: var(--mono); font-size: .58rem;
  letter-spacing: .08em; text-transform: uppercase;
}

/* ───────── Pantallas grandes: la app no se estira ───────── */
@media (min-width: 620px) {
  main, .cabecera > *, .tabs { max-width: 560px; }
  main { margin: 0 auto; }
  .cabecera { justify-content: flex-start; }
  .tabs { left: 50%; transform: translateX(-50%); width: 100%; }
  .rejilla { grid-template-columns: repeat(3, 1fr); }
  .ficha { max-width: 520px; border-radius: 18px; margin: auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}