/* =====================================================================
   Cofaine · Encuesta NPS
   Tokens tomados del design system del admin (Material 3, morado sobre
   oscuro). Mobile-first; el layout está afinado para dos contextos reales:
   el celular del cliente y el iPad vertical que se deja sobre la barra.
   ===================================================================== */

:root{
  /* Color */
  --primary:#c38fff;
  --on-primary:#1a0033;
  --primary-container:#6d28d9;
  --on-primary-container:#f0e6ff;

  --bg:#181818;
  --surface:#212121;
  --surface-container:#2a2a2a;
  --surface-container-high:#323232;
  --field-bg:#333333;
  --field-bg-focus:#3a3a3a;

  --ink:#f2ede6;
  --muted:#a89f95;
  --outline:rgba(255,255,255,.14);
  --outline-variant:rgba(255,255,255,.08);

  --star:#ffc857;
  --star-off:rgba(255,255,255,.16);
  --ok:#3fb950;
  --warn:#ff9f43;
  --danger:#f85149;

  /* Forma */
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-full:999px;

  /* Elevación */
  --elev-2:0 1px 2px rgba(0,0,0,.30), 0 2px 6px 2px rgba(0,0,0,.15);
  --elev-3:0 4px 8px 3px rgba(0,0,0,.15), 0 1px 3px rgba(0,0,0,.30);

  /* Medidas que cambian por breakpoint */
  --star-size:clamp(44px, 15vw, 58px);
  --pad-card:22px;
  --gap:22px;
  --fs-title:24px;
  --fs-body:15px;
  --tap:52px;
}

*,*::before,*::after{ box-sizing:border-box; }

/* Varios bloques de esta hoja usan display:flex, que gana por especificidad
   al display:none implícito de [hidden]. Se fuerza acá una sola vez. */
[hidden]{ display:none !important; }

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

body{
  margin:0;
  min-height:100dvh;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(109,40,217,.28) 0%, rgba(109,40,217,0) 60%),
    var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:var(--fs-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  /* Evita el rebote horizontal al animar los pasos */
  overflow-x:hidden;
}

/* ============================ Layout ============================ */

.shell{
  width:100%;
  max-width:560px;
  margin:0 auto;
  padding:
    calc(20px + env(safe-area-inset-top))
    calc(16px + env(safe-area-inset-right))
    calc(24px + env(safe-area-inset-bottom))
    calc(16px + env(safe-area-inset-left));
  display:flex;
  flex-direction:column;
  gap:18px;
  min-height:100dvh;
}

/* ============================ Marca ============================ */

.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand-mark{
  width:40px; height:40px;
  border-radius:12px;
  object-fit:contain;
  background:var(--surface-container);
  padding:5px;
  flex:none;
}
.brand-text{ display:flex; flex-direction:column; line-height:1.2; }
.brand-name{
  font-weight:700;
  letter-spacing:.16em;
  font-size:15px;
}
.brand-sub{ color:var(--muted); font-size:12.5px; }

/* ========================= Progreso ========================= */

.progress{ display:flex; flex-direction:column; gap:9px; }

.progress-track{
  height:5px;
  border-radius:var(--r-full);
  background:var(--outline-variant);
  overflow:hidden;
}
.progress-fill{
  height:100%;
  width:33.33%;
  border-radius:var(--r-full);
  background:linear-gradient(90deg, var(--primary-container), var(--primary));
  transition:width .38s cubic-bezier(.2,.7,.3,1);
}

.progress-steps{
  display:flex;
  justify-content:space-between;
  font-size:12px;
  color:var(--muted);
  letter-spacing:.02em;
}
.progress-step{ transition:color .25s ease; }
.progress-step.is-active{ color:var(--primary); font-weight:600; }
.progress-step.is-done{ color:var(--ink); }

/* ============================ Card ============================ */

.card{
  background:var(--surface);
  border:1px solid var(--outline-variant);
  border-radius:var(--r-lg);
  padding:var(--pad-card);
  box-shadow:var(--elev-2);
}

.step{ display:flex; flex-direction:column; gap:var(--gap); }
.step[hidden]{ display:none; }

/* Entrada suave de cada paso */
.step.is-current{ animation:stepIn .32s cubic-bezier(.2,.7,.3,1) both; }
@keyframes stepIn{
  from{ opacity:0; transform:translateY(10px); }
  to{ opacity:1; transform:none; }
}

.step-title{
  margin:0;
  font-size:var(--fs-title);
  line-height:1.22;
  font-weight:650;
  letter-spacing:-.01em;
}
.step-sub{
  margin:-14px 0 0;
  color:var(--muted);
  font-size:14px;
}
.step-sub strong{ color:var(--ink); font-weight:600; }

/* ============================ Campos ============================ */

.field{ display:flex; flex-direction:column; gap:7px; }

.field label{
  font-size:13px;
  font-weight:600;
  color:var(--muted);
  letter-spacing:.01em;
}

input[type="text"],
input[type="tel"],
input[type="password"],
textarea{
  width:100%;
  min-height:var(--tap);
  padding:13px 15px;
  font:inherit;
  font-size:16px; /* 16px evita el zoom automático en iOS */
  color:var(--ink);
  background:var(--field-bg);
  border:1px solid transparent;
  border-radius:var(--r-sm);
  outline:none;
  transition:background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
textarea{ resize:vertical; min-height:120px; line-height:1.5; }

input::placeholder, textarea::placeholder{ color:rgba(255,255,255,.30); }

input:focus, textarea:focus{
  background:var(--field-bg-focus);
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(195,143,255,.18);
}
.field.has-error input,
.field.has-error textarea{ border-color:var(--danger); }

/* Prefijo +51 pegado al input de celular */
.phone-wrap{ position:relative; display:flex; align-items:center; }
.phone-prefix{
  position:absolute;
  left:15px;
  color:var(--muted);
  font-size:16px;
  pointer-events:none;
}
.phone-wrap input{ padding-left:53px; letter-spacing:.06em; }

.field-hint{ margin:0; font-size:12.5px; color:var(--muted); }

.field-error{
  margin:0;
  font-size:12.5px;
  color:var(--danger);
  min-height:0;
}
.field-error:empty{ display:none; }
.form-error{ margin-top:-6px; }

/* ========================== Estrellas ========================== */

.rating{
  border:0;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.rating legend{
  padding:0;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:8px;
}
.legend-emoji{ font-size:17px; }

.stars{
  display:flex;
  gap:clamp(4px, 2.2vw, 12px);
  justify-content:space-between;
  max-width:360px;
}

.star{
  flex:1 1 0;
  aspect-ratio:1;
  max-width:var(--star-size);
  min-height:44px;
  display:grid;
  place-items:center;
  padding:0;
  border:0;
  background:transparent;
  cursor:pointer;
  border-radius:14px;
  -webkit-tap-highlight-color:transparent;
  transition:transform .16s cubic-bezier(.2,.8,.3,1.4);
}
.star svg{
  width:82%;
  height:82%;
  fill:var(--star-off);
  transition:fill .18s ease, filter .18s ease;
}
.star.is-on svg{
  fill:var(--star);
  filter:drop-shadow(0 2px 8px rgba(255,200,87,.32));
}
.star:active{ transform:scale(.88); }
.star:focus-visible{ outline:2px solid var(--primary); outline-offset:2px; }
/* Rebote al marcar */
.star.is-pop{ animation:pop .3s cubic-bezier(.2,.8,.3,1.4); }
@keyframes pop{
  0%{ transform:scale(1); } 45%{ transform:scale(1.28); } 100%{ transform:scale(1); }
}

.rating-label{
  margin:0;
  font-size:13px;
  color:var(--muted);
  min-height:19px;
  transition:color .2s ease;
}
.rating.is-set .rating-label{ color:var(--ink); font-weight:600; }

/* ===================== Elección de bebida ===================== */

.choice-sub{ margin:-4px 0 0; }

.choice-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}

.choice-btn{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:104px;
  padding:18px 10px;
  font:inherit;
  color:var(--muted);
  background:var(--surface-container);
  border:2px solid transparent;
  border-radius:var(--r-md);
  cursor:pointer;
  -webkit-tap-highlight-color:transparent;
  transition:border-color .18s ease, background .18s ease,
             color .18s ease, transform .12s ease;
}
.choice-btn:active{ transform:scale(.97); }

/* Seleccionado: borde de acento + tinte + check. Se combinan tres señales
   porque en pantalla, al sol y con brillo bajo, el borde solo no basta. */
.choice-btn.is-on{
  border-color:var(--primary);
  background:rgba(195,143,255,.14);
  color:var(--ink);
}

.choice-icon{
  width:42px; height:42px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
  opacity:.85;
  transition:stroke .18s ease, opacity .18s ease;
}
.choice-btn.is-on .choice-icon{ stroke:var(--primary); opacity:1; }

.choice-name{ font-size:14.5px; font-weight:650; }

.choice-check{
  position:absolute;
  top:9px; right:9px;
  width:22px; height:22px;
  display:grid; place-items:center;
  border-radius:50%;
  background:var(--primary);
  opacity:0;
  transform:scale(.5);
  transition:opacity .18s ease, transform .2s cubic-bezier(.2,.8,.3,1.4);
}
.choice-btn.is-on .choice-check{ opacity:1; transform:scale(1); }
.choice-check svg{
  width:14px; height:14px;
  fill:none; stroke:var(--on-primary);
  stroke-width:3; stroke-linecap:round; stroke-linejoin:round;
}

.choice-btn:focus-visible{ outline:2px solid var(--primary); outline-offset:2px; }

/* ============================ Botones ============================ */

.actions{
  display:flex;
  gap:10px;
  margin-top:2px;
}

.btn{
  flex:1;
  min-height:54px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 20px;
  font:inherit;
  font-size:15.5px;
  font-weight:650;
  border:0;
  border-radius:var(--r-full);
  cursor:pointer;
  -webkit-tap-highlight-color:transparent;
  transition:filter .18s ease, transform .12s ease, opacity .18s ease;
}
.btn:active{ transform:scale(.975); }
.btn:focus-visible{ outline:2px solid var(--primary); outline-offset:3px; }

.btn-primary{
  background:linear-gradient(135deg, var(--primary), #a86dff);
  color:var(--on-primary);
  box-shadow:var(--elev-3);
}
.btn-primary:hover{ filter:brightness(1.07); }

.btn-ghost{
  flex:0 0 auto;
  min-width:104px;
  background:transparent;
  color:var(--muted);
  border:1.5px solid var(--outline);
}
.btn-ghost:hover{ color:var(--ink); border-color:var(--primary); }

.btn svg{
  width:20px; height:20px;
  fill:none;
  stroke:currentColor;
  stroke-width:2.4;
  stroke-linecap:round;
  stroke-linejoin:round;
}

/* Estado cargando del botón de envío */
.spinner{ display:none; width:20px; height:20px; }
.btn.is-loading{ pointer-events:none; opacity:.8; }
.btn.is-loading .btn-label{ opacity:.55; }
.btn.is-loading .spinner{
  display:block;
  border:2.4px solid rgba(26,0,51,.28);
  border-top-color:var(--on-primary);
  border-radius:50%;
  animation:spin .7s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }

/* ========================= Pantalla final ========================= */

.done, .blocked{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:var(--gap);
  animation:stepIn .38s cubic-bezier(.2,.7,.3,1) both;
}
.done[hidden], .blocked[hidden]{ display:none; }

.done .step-sub, .blocked .step-sub{ margin-top:-14px; }

.done-badge{
  width:68px; height:68px;
  display:grid; place-items:center;
  border-radius:50%;
  background:rgba(63,185,80,.14);
  border:1.5px solid rgba(63,185,80,.4);
}
.done-badge svg{
  width:34px; height:34px;
  fill:none; stroke:var(--ok);
  stroke-width:2.6; stroke-linecap:round; stroke-linejoin:round;
}
.done-badge.is-warn{ background:rgba(255,159,67,.12); border-color:rgba(255,159,67,.4); }
.done-badge.is-warn svg{ stroke:var(--warn); }

.coupon{
  width:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  padding:24px 18px;
  border-radius:var(--r-md);
  background:
    linear-gradient(135deg, rgba(195,143,255,.16), rgba(109,40,217,.12));
  border:1.5px dashed rgba(195,143,255,.45);
}
.coupon-label{
  font-size:11.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.coupon-code{
  font-size:clamp(30px, 9vw, 40px);
  font-weight:750;
  letter-spacing:.14em;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.coupon-drink{ font-size:14px; color:var(--ink); font-weight:600; }

.done-note{ margin:-8px 0 0; font-size:12.5px; color:var(--muted); }

/* ---------------------- Reseña pública en Google ----------------------
   Va debajo del cupón y como acción SECUNDARIA a propósito: en esa
   pantalla lo urgente es que le muestren el código al barista, así que
   este botón no debe competir con el cupón. */
.review{
  width:100%;
  margin-top:4px;
  padding-top:var(--gap);
  border-top:1px solid var(--outline-variant);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
.review-copy{
  margin:0;
  max-width:34ch;
  font-size:14px;
  line-height:1.45;
  color:var(--ink);
}
.btn-review{
  flex:0 0 auto;
  width:100%;
  min-height:var(--tap);
  background:var(--surface-container-high);
  color:var(--ink);
  border:1.5px solid var(--outline);
  text-decoration:none;
}
.btn-review:hover{ border-color:var(--primary); filter:brightness(1.06); }

/* El logo de Google va a todo color: hay que anular el fill/stroke que
   `.btn svg` aplica a los iconos de línea del resto de botones. */
.btn-review .g-logo{
  width:19px; height:19px;
  flex:0 0 auto;
  fill:none;
  stroke:none;
}
.btn-review .g-logo path{ stroke:none; }

/* Puntaje bajo (1–3): se ofrece igual, pero sin insistir. */
.review.is-soft{ gap:12px; }
.review.is-soft .review-copy{ font-size:13px; color:var(--muted); }
.review.is-soft .btn-review{
  min-height:46px;
  font-size:14.5px;
  background:transparent;
  color:var(--muted);
}
.review.is-soft .btn-review:hover{ color:var(--ink); }

.foot{
  margin-top:auto;
  padding-top:8px;
  text-align:center;
  font-size:11.5px;
  color:var(--muted);
  opacity:.75;
}

/* =====================================================================
   Breakpoints
   ===================================================================== */

/* Celulares chicos: aprieta el ritmo vertical para que el paso 2 entre
   completo sin scroll incómodo. */
@media (max-width:359px){
  :root{ --pad-card:18px; --gap:18px; --fs-title:21px; }
  .brand-sub{ display:none; }
}

/* Celulares grandes / phablets */
@media (min-width:430px){
  :root{ --star-size:60px; --fs-title:26px; }
}

/* ---------- Tablet en vertical: el caso del iPad en la barra ----------
   Más aire, tipografía y estrellas grandes para que se lea y se toque
   de pie, a un brazo de distancia. */
@media (min-width:700px) and (orientation:portrait){
  :root{
    --star-size:76px;
    --pad-card:38px;
    --gap:30px;
    --fs-title:34px;
    --fs-body:17px;
    --tap:60px;
  }
  .shell{
    max-width:660px;
    gap:26px;
    padding-top:calc(48px + env(safe-area-inset-top));
    justify-content:center;
  }
  .brand-mark{ width:52px; height:52px; border-radius:15px; }
  .brand-name{ font-size:18px; }
  .brand-sub{ font-size:14px; }

  .step-sub{ font-size:16px; margin-top:-18px; }
  .rating legend{ font-size:19px; }
  .legend-emoji{ font-size:22px; }
  /* Se limita el ancho para que las 5 estrellas se lean como un grupo y no
     como cinco botones sueltos repartidos a lo ancho de la tarjeta. */
  .stars{ max-width:520px; gap:16px; }
  .rating-label{ font-size:15px; min-height:22px; }

  .progress-steps{ font-size:14px; }
  .progress-track{ height:6px; }

  .field label{ font-size:15px; }
  input[type="text"], input[type="tel"], textarea{ font-size:18px; padding:16px 18px; }
  .phone-prefix{ font-size:18px; left:18px; }
  .phone-wrap input{ padding-left:60px; }

  .btn{ min-height:64px; font-size:17.5px; }
  .btn-ghost{ min-width:130px; }

  .choice-btn{ min-height:150px; gap:12px; }
  .choice-icon{ width:60px; height:60px; }
  .choice-name{ font-size:18px; }
  .choice-check{ width:28px; height:28px; top:12px; right:12px; }
  .choice-check svg{ width:17px; height:17px; }

  .done-badge{ width:84px; height:84px; }
  .done-badge svg{ width:42px; height:42px; }
  .coupon{ padding:32px 22px; }
  .coupon-code{ font-size:52px; }
  .coupon-drink{ font-size:17px; }
  .review-copy{ font-size:16px; max-width:40ch; }
  .btn-review{ min-height:60px; }
  .btn-review .g-logo{ width:22px; height:22px; }
  .review.is-soft .btn-review{ min-height:52px; font-size:16px; }
}

/* Tablet grande vertical (iPad Pro 12.9") */
@media (min-width:1000px) and (orientation:portrait){
  :root{ --star-size:88px; --fs-title:38px; }
  .shell{ max-width:740px; }
}

/* Escritorio y tablet en horizontal: se mantiene angosto y centrado */
@media (min-width:900px) and (orientation:landscape){
  .shell{ max-width:580px; justify-content:center; }
  :root{ --star-size:62px; }
}

/* Pantallas bajas en horizontal (celular acostado): quita el aire de más */
@media (orientation:landscape) and (max-height:520px){
  .shell{ padding-top:16px; gap:14px; }
  :root{ --gap:16px; --pad-card:18px; --fs-title:21px; --star-size:46px; }
}

/* ============================ Accesibilidad ============================ */

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}

/* Modo claro: la marca es oscura, así que solo se suaviza el fondo para
   quien fuerza tema claro a nivel de sistema. Se mantiene el contraste. */
@media (prefers-color-scheme:light){
  :root{
    --bg:#f5f2ee;
    --surface:#ffffff;
    --surface-container:#f0ebe4;
    --surface-container-high:#e8e1d8;
    --field-bg:#f0ebe4;
    --field-bg-focus:#e8e1d8;
    --ink:#1f1b17;
    --muted:#6f665c;
    --outline:rgba(0,0,0,.16);
    --outline-variant:rgba(0,0,0,.09);
    --star-off:rgba(0,0,0,.16);
    --primary:#6d28d9;
    --on-primary:#ffffff;
    --primary-container:#a86dff;
  }
  body{
    background:
      radial-gradient(120% 80% at 50% -10%, rgba(109,40,217,.14) 0%, rgba(109,40,217,0) 60%),
      var(--bg);
  }
  .brand-mark{ background:#1f1b17; }
  input::placeholder, textarea::placeholder{ color:rgba(0,0,0,.34); }
  .btn-primary{ background:linear-gradient(135deg,#7c3aed,#6d28d9); }
  .coupon{ background:linear-gradient(135deg, rgba(109,40,217,.10), rgba(109,40,217,.05)); }
  .btn-review{ background:#ffffff; }
}