/* ============================================================
   Instituto Rosa Beauty — Encuesta interactiva
   Identidad: Fucsia #EC1471 | Tinta #1A1410 | Crema #FAF8F5
   Tipografía: Fraunces + DM Sans
   Adaptado del motor de encuestas de Rosa & Estilismo
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --fucsia:     #EC1471;
  --fucsia-dark:#C20F5C;
  --fucsia-soft:#FDEAF0;
  --negro:      #1A1410;
  --blanco:     #FFFFFF;
  --crema:      #FAF8F5;
  --gris-lt:    #F5F5F5;
  --gris-md:    #CCCCCC;
  --gris-txt:   #6B6560;
  --serif:      'Fraunces', Georgia, serif;
  --sans:       'DM Sans', system-ui, sans-serif;
  --radius:     14px;
  --shadow:     0 4px 24px rgba(236,20,113,0.10);
  --trans:      0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--crema);
  color: var(--negro);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

button { cursor: pointer; border: none; background: none; font-family: inherit; }
a { text-decoration: none; }
.hidden { display: none !important; }

#app { display: flex; flex-direction: column; height: 100dvh; height: 100vh; overflow: hidden; }

.survey-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  background: var(--crema);
  border-bottom: 1px solid var(--fucsia-soft);
  z-index: 10;
}

.logo { height: 36px; width: auto; display: block; }

.progress-wrap { flex-shrink: 0; padding: 10px 24px 6px; background: var(--crema); z-index: 10; }

.progress-label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--gris-txt);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.progress-track { height: 4px; background: var(--fucsia-soft); border-radius: 99px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--fucsia); border-radius: 99px; transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1); }

.slides-outer { flex: 1; overflow: hidden; position: relative; }
.slides-inner { position: relative; height: 100%; }

.slide {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
  padding: 24px 24px 16px;
  background: var(--crema);
  will-change: transform, opacity;
}

.slide.active { display: flex; }

@keyframes slideFromRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideFromLeft  { from { transform: translateX(-100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideToLeft    { from { transform: translateX(0); opacity: 1; } to { transform: translateX(-100%); opacity: 0; } }
@keyframes slideToRight   { from { transform: translateX(0); opacity: 1; } to { transform: translateX(100%); opacity: 0; } }

.slide-in-right  { animation: slideFromRight var(--trans) forwards; }
.slide-in-left   { animation: slideFromLeft  var(--trans) forwards; }
.slide-out-left  { animation: slideToLeft    var(--trans) forwards; }
.slide-out-right { animation: slideToRight   var(--trans) forwards; }

@keyframes shakeAnim {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}
.shake { animation: shakeAnim 0.45s ease; }

.slide-content { width: 100%; max-width: 560px; margin: 0 auto; }
.slide-content.center { text-align: center; }

.title-serif {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 8vw, 3.2rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--negro);
  margin-bottom: 10px;
}

.subtitle { font-family: var(--sans); font-size: clamp(0.9rem, 3vw, 1rem); color: var(--gris-txt); margin-bottom: 32px; }

.q-number {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fucsia);
  margin-bottom: 10px;
}

.q-title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  font-weight: 500;
  line-height: 1.22;
  color: var(--negro);
  margin-bottom: 10px;
}

.q-hint { font-size: 13px; color: var(--gris-txt); margin-bottom: 20px; }

.type-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 4px; }

.type-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px 12px;
  border-radius: var(--radius);
  border: 2px solid var(--fucsia-soft);
  background: var(--blanco);
  color: var(--negro);
  transition: border-color var(--trans), background var(--trans), transform 0.15s;
  min-height: 100px;
}

.type-btn:hover, .type-btn:focus-visible { border-color: var(--fucsia); background: var(--fucsia-soft); outline: none; }
.type-btn:active { transform: scale(0.97); }
.type-icon { font-size: 1.8rem; line-height: 1; }
.type-label { font-size: 0.85rem; line-height: 1.35; text-align: center; color: var(--negro); }
.type-label strong { display: block; font-size: 0.95rem; color: var(--fucsia); }

.options-col { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }

.option-btn {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  border-radius: var(--radius);
  border: 2px solid var(--gris-md);
  background: var(--blanco);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--negro);
  text-align: left;
  min-height: 52px;
  transition: border-color var(--trans), background var(--trans), color var(--trans), transform 0.12s;
  line-height: 1.3;
}

.option-btn:hover, .option-btn:focus-visible { border-color: var(--fucsia); background: var(--fucsia-soft); outline: none; }
.option-btn.selected { border-color: var(--fucsia); background: var(--fucsia); color: var(--blanco); font-weight: 500; }
.option-btn:active { transform: scale(0.98); }

.stars-wrap { display: flex; gap: 8px; margin: 20px 0 10px; }
.star { font-size: clamp(2rem, 10vw, 2.8rem); color: var(--gris-md); transition: color 0.15s, transform 0.12s; line-height: 1; padding: 4px 6px; border-radius: 8px; }
.star.active, .star.hover { color: var(--fucsia); }
.star.active { transform: scale(1.1); }
.star:active { transform: scale(0.92); }
.stars-label { font-size: 13px; color: var(--gris-txt); margin-top: 4px; min-height: 20px; transition: color var(--trans); }

.nps-wrap { margin-top: 20px; }
.nps-row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

.nps-btn {
  width: calc(20% - 7px);
  min-width: 44px;
  aspect-ratio: 1;
  border-radius: 10px;
  border: 2px solid var(--gris-md);
  background: var(--blanco);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--negro);
  transition: border-color var(--trans), background var(--trans), color var(--trans), transform 0.12s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nps-btn:hover, .nps-btn:focus-visible { border-color: var(--fucsia); background: var(--fucsia-soft); outline: none; }
.nps-btn.selected { border-color: var(--fucsia); background: var(--fucsia); color: var(--blanco); transform: scale(1.08); }
.nps-labels { display: flex; justify-content: space-between; margin-top: 10px; font-size: 11px; color: var(--gris-txt); padding: 0 4px; }

.field-wrap { margin-top: 16px; }
.field-label { display: block; font-size: 13px; font-weight: 500; color: var(--gris-txt); margin-bottom: 6px; }

.select-field, .input-field {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 2px solid var(--gris-md);
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--negro);
  background: var(--blanco);
  appearance: none;
  -webkit-appearance: none;
  transition: border-color var(--trans);
  min-height: 52px;
}

.select-field {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23EC1471' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 42px;
}

.select-field:focus, .input-field:focus { outline: none; border-color: var(--fucsia); box-shadow: 0 0 0 3px rgba(236,20,113,0.12); }

.textarea-field {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 2px solid var(--gris-md);
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--negro);
  background: var(--blanco);
  resize: vertical;
  min-height: 120px;
  transition: border-color var(--trans);
  line-height: 1.55;
}

.textarea-field:focus { outline: none; border-color: var(--fucsia); box-shadow: 0 0 0 3px rgba(236,20,113,0.12); }

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 99px;
  background: var(--fucsia);
  color: var(--blanco);
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: background var(--trans), transform 0.12s, box-shadow var(--trans);
  box-shadow: 0 4px 16px rgba(236,20,113,0.30);
  min-height: 54px;
  width: 100%;
}

.btn-primary:hover, .btn-primary:focus-visible { background: var(--fucsia-dark); outline: none; box-shadow: 0 6px 22px rgba(236,20,113,0.38); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-submit { margin-top: 24px; }

.btn-loader {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255,255,255,0.35);
  border-top-color: var(--blanco);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.survey-nav {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px 16px;
  background: var(--crema);
  border-top: 1px solid var(--fucsia-soft);
  gap: 12px;
  z-index: 10;
}

.btn-prev {
  padding: 13px 22px;
  border-radius: 99px;
  border: 2px solid var(--gris-md);
  background: var(--blanco);
  color: var(--gris-txt);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 500;
  transition: border-color var(--trans), color var(--trans), transform 0.12s;
  min-height: 48px;
}

.btn-prev:hover, .btn-prev:focus-visible { border-color: var(--negro); color: var(--negro); outline: none; }
.btn-prev.hidden { visibility: hidden; pointer-events: none; }

.btn-next {
  flex: 1;
  padding: 13px 24px;
  border-radius: 99px;
  background: var(--fucsia);
  color: var(--blanco);
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  transition: background var(--trans), box-shadow var(--trans), transform 0.12s;
  box-shadow: 0 3px 12px rgba(236,20,113,0.28);
  min-height: 48px;
}

.btn-next:hover, .btn-next:focus-visible { background: var(--fucsia-dark); outline: none; box-shadow: 0 5px 18px rgba(236,20,113,0.36); }
.btn-next:active, .btn-prev:active { transform: scale(0.97); }

@keyframes popIn {
  0% { opacity: 0; transform: scale(0.85) translateY(20px); }
  70% { transform: scale(1.03) translateY(-4px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

.success-card {
  background: var(--blanco);
  border: 2px solid var(--fucsia-soft);
  border-radius: 24px;
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  animation: popIn 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.success-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--fucsia);
  color: var(--blanco);
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 20px rgba(236,20,113,0.35);
}

.success-title { font-family: var(--serif); font-size: clamp(1.8rem, 6vw, 2.4rem); font-weight: 500; color: var(--negro); margin-bottom: 12px; }
.success-msg { font-size: 0.95rem; color: var(--gris-txt); line-height: 1.6; margin-bottom: 28px; }

.btn-courses {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 32px;
  border-radius: 99px;
  background: var(--fucsia);
  color: var(--blanco);
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 16px rgba(236,20,113,0.30);
  transition: background var(--trans), box-shadow var(--trans), transform 0.12s;
  min-height: 52px;
  width: 100%;
}

.btn-courses:hover, .btn-courses:focus-visible { background: var(--fucsia-dark); outline: none; box-shadow: 0 6px 22px rgba(236,20,113,0.38); }
.btn-courses:active { transform: scale(0.98); }

#toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--negro);
  color: var(--blanco);
  font-size: 0.88rem;
  padding: 12px 22px;
  border-radius: 99px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  white-space: nowrap;
  z-index: 999;
  max-width: 90vw;
  text-align: center;
}

#toast.visible { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (min-width: 640px) {
  .type-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .type-btn { min-height: 120px; }
  .nps-btn { width: 52px; aspect-ratio: 1; }
  .survey-nav { padding: 14px 40px 18px; }
  .slide { padding: 32px 40px 20px; }
  .slide-content { max-width: 520px; }
}

@media (min-width: 900px) {
  .type-grid { max-width: 640px; margin: 0 auto; }
  .slide { padding: 40px 60px 24px; }
  .slide-content { max-width: 600px; }
}

@media (prefers-reduced-motion: reduce) {
  .slide-in-right, .slide-in-left, .slide-out-left, .slide-out-right { animation: none; }
  .progress-bar { transition: none; }
}