/* ========================================
   DESIGN TOKENS
   ======================================== */
:root {
  --color-pink-light: #fbc2eb;
  --color-lavender-light: #c3aed6;
  --color-lavender: #a18cd1;
  --color-pink: #f5a6c9;
  --color-accent: #e8729a;
  --color-accent-hover: #d45a84;
  --color-white: #ffffff;
  --color-text-primary: #3d2b50;
  --color-text-secondary: #6e5a7e;
  --color-text-muted: #9a8aab;
  --color-card-bg: rgba(255, 255, 255, 0.72);
  --color-card-border: rgba(255, 255, 255, 0.45);
  --color-input-border: #e0d4ed;
  --color-input-focus: #c18ae8;
  --color-food-bg: rgba(255, 255, 255, 0.55);
  --color-food-border: rgba(200, 170, 230, 0.3);
  --color-food-hover-bg: rgba(232, 114, 154, 0.12);
  --color-food-hover-border: var(--color-accent);
  --color-secondary-bg: rgba(255, 255, 255, 0.55);
  --color-secondary-border: rgba(200, 180, 220, 0.4);
  --color-secondary-text: var(--color-text-secondary);

  --font-family: 'Nunito', sans-serif;
  --font-size-xs: 0.8rem;
  --font-size-sm: 0.95rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.15rem;
  --font-size-xl: 1.85rem;
  --font-size-2xl: 2rem;

  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 28px;
  --radius-full: 50%;

  --shadow-card: 0 8px 32px rgba(120, 80, 160, 0.15);
  --shadow-btn: 0 4px 18px rgba(232, 114, 154, 0.35);
  --shadow-btn-hover: 0 6px 24px rgba(232, 114, 154, 0.5);
  --shadow-food: 0 2px 12px rgba(120, 80, 160, 0.08);
  --shadow-food-hover: 0 4px 20px rgba(232, 114, 154, 0.18);

  --transition-base: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-pink-light) 0%, var(--color-lavender-light) 50%, var(--color-lavender) 100%);
  background-attachment: fixed;
  padding: 24px 16px;
  overflow-x: hidden;
  position: relative;
}

/* ========================================
   BACKGROUND DECORATIONS
   ======================================== */
body::before,
body::after {
  content: '';
  position: fixed;
  border-radius: var(--radius-full);
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

body::before {
  width: 400px;
  height: 400px;
  background: var(--color-pink);
  top: -100px;
  right: -100px;
  animation: floatBlob1 12s ease-in-out infinite;
}

body::after {
  width: 350px;
  height: 350px;
  background: var(--color-lavender);
  bottom: -80px;
  left: -80px;
  animation: floatBlob2 15s ease-in-out infinite;
}

@keyframes floatBlob1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-40px, 60px) scale(1.1); }
  66% { transform: translate(30px, -30px) scale(0.95); }
}

@keyframes floatBlob2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -40px) scale(1.05); }
  66% { transform: translate(-30px, 50px) scale(0.98); }
}

/* ========================================
   CARD (GLASSMORPHISM)
   ======================================== */
.card {
  position: relative;
  z-index: 1;
  background: var(--color-card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  width: 100%;
  max-width: 440px;
  padding: 48px 36px;
  text-align: center;
  overflow: hidden;
}

/* ========================================
   SCREEN MANAGEMENT
   ======================================== */
.screen {
  display: none;
  opacity: 0;
  transform: translateY(18px) scale(0.97);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.screen.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.screen.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
.heading {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.3;
  margin-bottom: 4px;
}

.subheading {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: 600;
  margin-bottom: 8px;
}

.footer-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: italic;
  line-height: 1.5;
  margin-top: 12px;
}

/* ========================================
   PUG IMAGE
   ======================================== */
.pug-image {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin-bottom: 8px;
  border: 4px solid var(--color-white);
  box-shadow: 0 4px 20px rgba(200, 150, 220, 0.25);
  animation: pugBounce 3s ease-in-out infinite;
}

@keyframes pugBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 36px;
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
  letter-spacing: 0.3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-pink) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: var(--shadow-btn-hover);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  background: var(--color-secondary-bg);
  color: var(--color-secondary-text);
  border: 1px solid var(--color-secondary-border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.75);
  transform: translateY(-1px);
}

/* Button group for Screen 1 */
.btn-group {
  display: flex;
  gap: 14px;
  margin-top: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ========================================
   "NÃO" BUTTON DODGE EFFECT
   ======================================== */
.btn-dodge {
  position: relative;
  transition: none;
}

/* ========================================
   FORM INPUTS (Screen 3)
   ======================================== */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  margin: 12px 0 8px;
}

.input-wrapper {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.input-wrapper label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-secondary);
}

.input-wrapper input,
.input-wrapper select {
  padding: 12px 16px;
  border: 2px solid var(--color-input-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.7);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}

.input-wrapper input:focus,
.input-wrapper select:focus {
  border-color: var(--color-input-focus);
  box-shadow: 0 0 0 3px rgba(193, 138, 232, 0.15);
}

/* Custom select arrow */
.input-wrapper select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236e5a7e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

/* ========================================
   FOOD GRID (Screen 4)
   ======================================== */
.food-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
  margin: 12px 0 4px;
}

.food-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 18px 10px;
  background: var(--color-food-bg);
  border: 2px solid var(--color-food-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-family);
  box-shadow: var(--shadow-food);
}

.food-btn:hover {
  border-color: var(--color-food-hover-border);
  background: var(--color-food-hover-bg);
  transform: translateY(-3px) scale(1.04);
  box-shadow: var(--shadow-food-hover);
}

.food-btn:active {
  transform: translateY(0) scale(0.97);
}

.food-emoji {
  font-size: 2rem;
  line-height: 1;
}

.food-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-text-secondary);
}

/* ========================================
   FLOATING HEARTS (Screen 5)
   ======================================== */
.hearts-container {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  font-size: 1.6rem;
}

.hearts-container span {
  animation: heartFloat 2.5s ease-in-out infinite;
}

.hearts-container span:nth-child(2) {
  animation-delay: 0.4s;
}
.hearts-container span:nth-child(3) {
  animation-delay: 0.8s;
}
.hearts-container span:nth-child(4) {
  animation-delay: 1.2s;
}
.hearts-container span:nth-child(5) {
  animation-delay: 1.6s;
}

@keyframes heartFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
    opacity: 0.85;
  }
  50% {
    transform: translateY(-14px) scale(1.15);
    opacity: 1;
  }
}

/* ========================================
   SPARKLE PARTICLES
   ======================================== */
.sparkle {
  position: fixed;
  pointer-events: none;
  z-index: 100;
  font-size: 1.2rem;
  animation: sparkleFade 1s ease-out forwards;
}

@keyframes sparkleFade {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-60px) scale(0.3);
  }
}

/* ========================================
   CONFETTI BURST (Screen 5)
   ======================================== */
.confetti {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  pointer-events: none;
  z-index: 100;
  animation: confettiFall 2.5s ease-out forwards;
}

@keyframes confettiFall {
  0% {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
  }
  100% {
    opacity: 0;
    transform: translateY(100vh) rotate(720deg);
  }
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 500px) {
  .card {
    padding: 36px 22px;
    border-radius: 22px;
  }

  .heading {
    font-size: 1.5rem;
  }

  .pug-image {
    width: 140px;
    height: 140px;
  }

  .food-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .btn {
    padding: 12px 28px;
    font-size: var(--font-size-sm);
  }

  .btn-group {
    gap: 10px;
  }
}

@media (max-width: 360px) {
  .card {
    padding: 28px 16px;
  }

  .heading {
    font-size: 1.3rem;
  }

  .food-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
}