/* ============================================================
   MÉTODO K-SLIM — DESIGN SYSTEM
   Paleta K-beauty | Poppins | Mobile-first
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800;900&display=swap');

/* ===== RESET & BASE ===== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Poppins', -apple-system, sans-serif;
  background: #FAF6F1;
  color: #2D2D2D;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== CSS VARIABLES ===== */
:root {
  --pink:       #C62B7A;
  --pink-dark:  #A01F63;
  --pink-light: #fdf0f7;
  --cream:      #FAF6F1;
  --gold:       #E8A030;
  --green:      #3D9970;
  --red:        #D63031;
  --black:      #2D2D2D;
  --gray:       #888888;
  --gray-light: #E8E8E8;
  --white:      #FFFFFF;
  --shadow:     0 8px 32px rgba(198,43,122,0.12);
  --shadow-lg:  0 12px 48px rgba(198,43,122,0.18);
  --radius:     16px;
  --radius-lg:  24px;
  --radius-xl:  50px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== LAYOUT — MOBILE FRAME ===== */
.app-container {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--white);
  position: relative;
  overflow: hidden;
}

/* ===== BRAND HEADER ===== */
.logo-header {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 16px 20px 14px !important;
  background: var(--white) !important;
  border-bottom: 1px solid rgba(0,0,0,0.05) !important;
}

.logo-header img {
  display: block;
  height: 96px !important;
  width: auto !important;
  max-width: 320px !important;
  object-fit: contain !important;
}

/* ===== HEADER / TOP BAR ===== */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--white);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-bar .back-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  color: var(--black);
  transition: var(--transition);
}
.top-bar .back-btn:active { transform: scale(0.9); }

.top-bar .section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray);
  text-align: center;
  flex: 1;
}

.top-bar .progress-pct {
  font-size: 13px;
  font-weight: 700;
  color: var(--pink);
  min-width: 36px;
  text-align: right;
}

/* ===== PROGRESS BAR ===== */
.progress-bar-wrapper {
  height: 4px;
  background: var(--gray-light);
  position: relative;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--pink), #e055a0);
  border-radius: 0 4px 4px 0;
  transition: width 0.6s cubic-bezier(0.34, 1.2, 0.64, 1);
}

/* ===== SCREEN CONTAINER ===== */
.screen {
  display: none;
  padding: 28px 24px 100px;
  animation: screenIn 0.4s ease;
  min-height: calc(100vh - 60px);
}
.screen.active { display: block; }

@keyframes screenIn {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ===== QUESTION STYLES ===== */
.question-emoji {
  font-size: 48px;
  text-align: center;
  margin-bottom: 12px;
}

.question-image {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.question-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--black);
  text-align: center;
  line-height: 1.35;
  margin-bottom: 8px;
}

.question-subtitle {
  font-size: 13px;
  color: var(--gray);
  text-align: center;
  margin-bottom: 24px;
  line-height: 1.5;
}

/* ===== OPTION BUTTONS ===== */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.option-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  background: var(--white);
  border: 2px solid var(--gray-light);
  border-radius: var(--radius);
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--black);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  line-height: 1.4;
}

.option-btn:hover {
  border-color: var(--pink);
  background: var(--pink-light);
}

.option-btn.selected {
  border-color: var(--pink);
  background: var(--pink-light);
  color: var(--pink);
  font-weight: 600;
}

.option-btn .radio-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--gray-light);
  flex-shrink: 0;
  transition: var(--transition);
  position: relative;
}
.option-btn.selected .radio-dot {
  border-color: var(--pink);
  background: var(--pink);
}
.option-btn.selected .radio-dot::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: 800;
}

/* Checkbox style (multi-select) */
.option-btn .check-box {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid var(--gray-light);
  flex-shrink: 0;
  transition: var(--transition);
  position: relative;
}
.option-btn.selected .check-box {
  border-color: var(--pink);
  background: var(--pink);
}
.option-btn.selected .check-box::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: 800;
}

/* ===== IMAGE GRID OPTIONS (body areas, exercises) ===== */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.option-card {
  background: var(--cream);
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}
.option-card:hover { border-color: var(--pink); }
.option-card.selected {
  border-color: var(--pink);
  background: var(--pink-light);
}

.option-card img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 8px;
}
.option-card .card-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
}
.option-card.selected .card-label { color: var(--pink); }

.option-card .card-radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--gray-light);
  margin: 6px auto 0;
  transition: var(--transition);
}
.option-card.selected .card-radio {
  border-color: var(--pink);
  background: var(--pink);
}

/* ===== EXERCISE RATING (Gosto / Neutro / Não gosto) ===== */
.exercise-rating {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.exercise-img {
  width: 180px;
  height: 180px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.rating-btns {
  display: flex;
  gap: 12px;
  width: 100%;
}
.rating-btn {
  flex: 1;
  padding: 14px 8px;
  border: 2px solid var(--gray-light);
  border-radius: var(--radius);
  background: var(--white);
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}
.rating-btn:hover { border-color: var(--pink); }
.rating-btn.selected {
  border-color: var(--pink);
  background: var(--pink);
  color: white;
}

/* ===== INPUT FIELDS (height, weight, name, email) ===== */
.input-group {
  margin: 20px 0;
}
.input-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray);
  margin-bottom: 8px;
  display: block;
}
.input-field {
  width: 100%;
  padding: 16px 20px;
  border: 2px solid var(--gray-light);
  border-radius: var(--radius);
  font-family: 'Poppins', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
  text-align: center;
  outline: none;
  transition: var(--transition);
  background: var(--white);
}
.input-field:focus {
  border-color: var(--pink);
  box-shadow: 0 0 0 4px rgba(198,43,122,0.1);
}
.input-field::placeholder {
  color: #ccc;
  font-weight: 400;
}

.unit-toggle {
  display: flex;
  gap: 0;
  background: var(--cream);
  border-radius: 30px;
  padding: 3px;
  margin-bottom: 16px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.unit-btn {
  padding: 8px 24px;
  border: none;
  border-radius: 30px;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  color: var(--gray);
}
.unit-btn.active {
  background: var(--white);
  color: var(--pink);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* ===== CTA BUTTON ===== */
.cta-btn {
  display: block;
  width: 100%;
  padding: 18px;
  background: linear-gradient(135deg, var(--pink), #e055a0);
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  text-align: center;
  box-shadow: 0 6px 24px rgba(198,43,122,0.3);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.cta-btn:active {
  transform: scale(0.97);
  box-shadow: 0 3px 12px rgba(198,43,122,0.2);
}
.cta-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
/* Botão fixo no rodapé */
.cta-fixed {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  max-width: 480px;
  width: 100%;
  padding: 16px 24px 28px;
  background: linear-gradient(to top, white 60%, transparent);
  z-index: 90;
}

/* ===== INFO SCREENS ===== */
.info-screen {
  text-align: center;
}
.info-screen .info-icon {
  font-size: 56px;
  margin-bottom: 16px;
}
.info-screen .info-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--black);
  line-height: 1.35;
  margin-bottom: 16px;
}
.info-screen .info-text {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
  text-align: left;
  margin-bottom: 20px;
}
.info-screen .info-text strong {
  color: var(--pink);
}

.info-highlight {
  background: var(--pink-light);
  border-left: 4px solid var(--pink);
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
  text-align: left;
}
.info-highlight p {
  font-size: 13px;
  color: #555;
  line-height: 1.6;
}
.info-highlight strong { color: var(--pink); }

.info-stat {
  display: inline-block;
  background: var(--pink);
  color: white;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 30px;
  margin: 12px 0;
}

/* ===== HERO / LANDING ===== */
.hero-section {
  text-align: center;
  padding: 20px 24px 32px;
}
.hero-stars {
  font-size: 14px;
  color: var(--gold);
  margin-bottom: 4px;
}
.hero-stars span {
  font-size: 12px;
  color: var(--gray);
  font-weight: 500;
}
.hero-image {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin: 20px 0;
  box-shadow: var(--shadow);
}
.hero-headline {
  font-size: 24px;
  font-weight: 900;
  color: var(--black);
  line-height: 1.3;
  margin-bottom: 12px;
}
.hero-headline em {
  color: var(--pink);
  font-style: normal;
}
.hero-subheadline {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 28px;
}
.hero-subheadline strong { color: var(--pink); }

.hero-badges {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.hero-badge {
  background: var(--cream);
  border: 1px solid var(--gray-light);
  border-radius: 30px;
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== TIMER ===== */
.timer-bar {
  background: #FFF3CD;
  border: 1px solid var(--gold);
  border-radius: 12px;
  padding: 10px 16px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: #856404;
  margin: 16px 0;
}
.timer-bar .timer-value {
  color: var(--red);
  font-weight: 800;
  font-size: 16px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 6px 24px rgba(198,43,122,0.3); }
  50%      { box-shadow: 0 6px 32px rgba(198,43,122,0.5); }
}
.animate-fade   { animation: fadeIn 0.5s ease; }
.animate-fadeUp { animation: fadeInUp 0.5s ease; }
.animate-pulse  { animation: pulseGlow 2s infinite; }

/* ===== RESPONSIVE — MOBILE FIRST ===== */

/* Móvel padrão (até 480px) — O FUNIL É FEITO PARA MOBILE */
@media (max-width: 480px) {
  .app-container {
    max-width: 100%;
    border-radius: 0;
    min-height: 100vh;
    min-height: 100dvh; /* Dynamic viewport height — para browsers modernos */
  }

  .screen {
    padding: 20px 18px 120px;
  }

  /* Fonte adaptada para telas menores */
  .question-title { font-size: 19px; }
  .hero-headline { font-size: 21px; }
  .info-screen .info-title { font-size: 19px; }
  .hero-subheadline { font-size: 13px; }

  /* Hero image menor no mobile */
  .hero-image { max-height: 240px; }

  /* Touch targets: mínimo 44px de altura (WCAG) */
  .option-btn {
    min-height: 52px;
    padding: 14px 16px;
    font-size: 14px;
  }

  .rating-btn {
    min-height: 48px;
    padding: 12px 6px;
    font-size: 12px;
  }

  .cta-btn {
    padding: 16px;
    font-size: 15px;
    min-height: 54px;
  }

  /* Badges menores */
  .hero-badge {
    font-size: 10px;
    padding: 5px 10px;
  }

  /* Input fields maiores para toque fácil */
  .input-field {
    font-size: 22px;
    padding: 18px 16px;
    min-height: 60px;
  }

  /* Safe area para iPhones com notch */
  .cta-fixed {
    padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  }

  /* Options grid: 2 colunas menores */
  .options-grid { gap: 8px; }
  .option-card { padding: 10px; }
  .option-card img { height: 80px; }
  .option-card .card-label { font-size: 12px; }
}

/* Móvel muito pequeno (320px — iPhone SE) */
@media (max-width: 360px) {
  .screen { padding: 16px 14px 100px; }
  .question-title { font-size: 17px; }
  .hero-headline { font-size: 19px; }
  .option-btn { font-size: 13px; padding: 12px 14px; }
  .hero-image { max-height: 200px; }
  .hero-badges { gap: 6px; }
  .hero-badge { font-size: 9px; padding: 4px 8px; }
}

/* Desktop (>480px) — layout de site normal, igual ao concorrente */
@media (min-width: 481px) {
  body {
    background: #ffffff;
    display: block;
    padding: 0;
  }

  .app-container {
    max-width: 680px;
    border-radius: 0;
    box-shadow: none;
    min-height: 100vh;
    max-height: none;
    overflow-y: visible;
    overflow-x: hidden;
    margin: 0 auto;
    border-left: none;
    border-right: none;
    background: #fff;
  }

  /* Scrollbar do body no desktop */
  body::-webkit-scrollbar { width: 6px; }
  body::-webkit-scrollbar-thumb {
    background: var(--pink);
    border-radius: 4px;
  }
  body::-webkit-scrollbar-track { background: transparent; }

  /* Header fixo no topo em desktop */
  .logo-header {
    position: sticky;
    top: 0;
    z-index: 110;
  }

  /* CTA fixo funciona normalmente — mas respeita max-width do container */
  .cta-fixed {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    max-width: 680px;
    width: 100%;
    padding: 16px 32px 28px;
    background: linear-gradient(to top, white 70%, transparent);
    z-index: 90;
  }

  /* Mais espaço nas telas maiores */
  .screen {
    padding: 36px 48px 120px;
  }

  /* Fontes maiores no desktop */
  .question-title { font-size: 24px; }
  .info-screen .info-title { font-size: 23px; }

  /* Photo grid com imagens maiores */
  .photo-card img { height: 160px; }
}

/* Previne zoom em inputs no iOS */
@media screen and (max-width: 768px) {
  input[type="text"],
  input[type="email"],
  input[type="number"],
  input[type="tel"],
  select, textarea {
    font-size: 16px !important;
  }
}

/* Disable hover effects on touch devices */
@media (hover: none) and (pointer: coarse) {
  .option-btn:hover {
    border-color: var(--gray-light);
    background: var(--white);
  }
  .option-card:hover { border-color: transparent; }
  .rating-btn:hover { border-color: var(--gray-light); }
}