/* ==========================================================================
   POOPLE - Seamless Soft Pink Aesthetic Theme
   No white box container: elements sit directly on the pink canvas!
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette - Dreamy Soft Pink Canvas */
  --bg-page: #FFDEE6;
  --bg-dots: #F8B4C4;
  --bg-card: #FFFFFF;
  --bg-card-start: #FFF3E0;
  --bg-card-poop: #FFF9C4;
  --border-soft: #FFB3C1;
  --text-main: #4A202A;
  --text-muted: #8C4354;
  
  --accent-pink: #FF6584;
  --accent-pink-hover: #FF476E;
  --accent-pink-soft: #FFB8C6;
  --accent-cream: #FFF0F3;
  --accent-yellow: #FFD166;

  /* Typography */
  --font-heading: 'Fredoka', 'ui-rounded', 'Comic Sans MS', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Soft Shadows & Radii */
  --shadow-card: 0 8px 24px rgba(255, 71, 110, 0.12);
  --shadow-btn: 0 10px 24px rgba(255, 71, 110, 0.32);
  --shadow-btn-hover: 0 14px 28px rgba(255, 71, 110, 0.42);

  --radius-card: 24px;
  --radius-btn: 28px;
  --radius-pill: 50px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100vh;
  font-family: var(--font-body);
  background-color: var(--bg-page);
  background-image: radial-gradient(#F8B4C4 18%, transparent 19%);
  background-size: 28px 28px;
  color: var(--text-main);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 30px 16px;
  -webkit-font-smoothing: antialiased;
}

/* Screen reader utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Navigation Header */
.top-nav {
  width: 100%;
  max-width: 480px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.back-link {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--text-main);
  text-decoration: none;
  font-weight: 700;
  background-color: #FFFFFF;
  border: 2px solid var(--border-soft);
  border-radius: var(--radius-pill);
  padding: 8px 22px;
  box-shadow: 0 4px 12px rgba(255, 101, 132, 0.12);
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.back-link:hover, .back-link:focus-visible {
  background-color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(255, 71, 110, 0.22);
}

/* Main Container: No White Box! Directly on Pink Canvas */
.main-container {
  width: 100%;
  max-width: 480px;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  position: relative;
}

/* Header & Title Section */
.game-title-group {
  text-align: center;
}

.level-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #FFFFFF;
  background-color: var(--accent-pink);
  border-radius: var(--radius-pill);
  padding: 5px 18px;
  margin-bottom: 10px;
  text-transform: uppercase;
  box-shadow: 0 4px 12px rgba(255, 101, 132, 0.25);
}

.main-title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.1;
  text-shadow: 2px 2px 0px rgba(255, 255, 255, 0.6);
}

.main-title span.heart {
  color: var(--accent-pink);
  display: inline-block;
  animation: heartPulse 2s ease-in-out infinite;
}

@keyframes heartPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.18); }
}

.subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 600;
}

/* Game Area Layout */
.game-play-area {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

/* Word Ladder Stack */
.ladder-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-height: 400px;
  overflow-y: auto;
  padding: 8px 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-pink) transparent;
}

.ladder-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  animation: slideInDown var(--transition-bounce);
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-16px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.arrow-connector {
  font-size: 1.4rem;
  color: var(--accent-pink);
  line-height: 1;
  margin: 3px 0;
  user-select: none;
  animation: bounceArrow 1.5s ease-in-out infinite;
}

@keyframes bounceArrow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* Word Cards (Floating Pill Cards) */
.word-card {
  width: 230px;
  padding: 14px 20px;
  background-color: #FFFFFF;
  border: 2.5px solid var(--border-soft);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform var(--transition-fast);
}

.word-card.start-card {
  background-color: #FFF8E7;
  border-color: #FFE082;
}

.word-card.poop-card {
  background-color: #FFFDE7;
  border-color: #FFD54F;
  box-shadow: 0 0 24px rgba(255, 209, 102, 0.8), var(--shadow-card);
  animation: poopGlow 1.8s infinite alternate;
}

@keyframes poopGlow {
  from { box-shadow: 0 0 12px rgba(255, 209, 102, 0.5), var(--shadow-card); }
  to { box-shadow: 0 0 26px rgba(255, 180, 0, 0.9), var(--shadow-card); }
}

.letter-box {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: 7px;
  margin-right: -7px;
  color: var(--text-main);
  text-transform: uppercase;
}

/* Error Toast / Inline Feedback */
.feedback-container {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.feedback-bubble {
  background-color: #FFFFFF;
  color: #D81B60;
  border: 2px solid var(--accent-pink);
  border-radius: var(--radius-pill);
  padding: 8px 22px;
  font-size: 0.95rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  animation: popIn var(--transition-bounce);
  box-shadow: 0 6px 16px rgba(216, 27, 96, 0.15);
}

@keyframes popIn {
  0% { transform: scale(0.8); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* Shake Animation for Invalid Submission */
.shake {
  animation: gentleShake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes gentleShake {
  10%, 90% { transform: translate3d(-2px, 0, 0); }
  20%, 80% { transform: translate3d(4px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-6px, 0, 0); }
  40%, 60% { transform: translate3d(6px, 0, 0); }
}

/* Controls & Form Section */
.input-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 100%;
  max-width: 360px;
}

.input-wrapper {
  position: relative;
  width: 100%;
}

.word-input {
  width: 100%;
  height: 60px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 8px;
  text-transform: uppercase;
  color: var(--text-main);
  background-color: #FFFFFF;
  border: 2.5px solid var(--border-soft);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.word-input::placeholder {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: normal;
  color: #BCAAA4;
  text-transform: none;
}

.word-input:focus {
  border-color: var(--accent-pink);
  box-shadow: 0 0 0 5px var(--accent-pink-soft), var(--shadow-card);
}

.word-input:disabled {
  background-color: #F8ECEE;
  cursor: not-allowed;
  opacity: 0.7;
}

/* Larger Primary Aesthetic Pastel Button */
.btn-primary {
  width: 100%;
  height: 60px;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: #FFFFFF;
  background-color: var(--accent-pink);
  border: none;
  border-radius: var(--radius-btn);
  box-shadow: var(--shadow-btn);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-pink-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-btn-hover);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: 0 4px 12px rgba(255, 71, 110, 0.25);
}

.btn-primary:disabled {
  background-color: #E0AAB6;
  color: #FFFFFF;
  box-shadow: none;
  cursor: not-allowed;
}

/* Stats Bar */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 360px;
  padding: 6px 4px;
}

.steps-counter {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  background-color: #FFFFFF;
  border: 2px solid var(--border-soft);
  border-radius: var(--radius-pill);
  padding: 6px 18px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.04);
}

.btn-restart {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  background: #FFFFFF;
  border: 2px solid var(--border-soft);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 10px rgba(0,0,0,0.04);
  transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-restart:hover, .btn-restart:focus-visible {
  background-color: var(--accent-pink-soft);
  transform: translateY(-2px);
}

.btn-restart svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

/* Result Cards (Win & Retry Overlays) */
.result-card {
  width: 100%;
  max-width: 360px;
  background-color: #FFFFFF;
  border: 2.5px solid var(--border-soft);
  border-radius: var(--radius-card);
  box-shadow: 0 16px 36px rgba(255, 71, 110, 0.2);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  animation: bounceIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  margin-top: 10px;
}

@keyframes bounceIn {
  0% { transform: scale(0.7); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.result-badge {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 5px 18px;
  border-radius: var(--radius-pill);
}

.badge-perfect {
  background-color: #E8F5E9;
  color: #2E7D32;
}

.badge-close {
  background-color: #FFF3E0;
  color: #E65100;
}

.result-heading {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.result-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.4;
  font-weight: 500;
}

.result-stats-box {
  display: flex;
  gap: 16px;
  background-color: var(--bg-page);
  border-radius: var(--radius-card);
  padding: 10px 24px;
  margin: 4px 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Sparkle Celebration Particles */
.sparkles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  overflow: hidden;
  z-index: 100;
}

.sparkle-particle {
  position: absolute;
  font-size: 1.4rem;
  animation: floatUp 2s ease-out forwards;
}

@keyframes floatUp {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(-160px) rotate(360deg); opacity: 0; }
}

/* LANDING PAGE STYLES */
.landing-hero {
  text-align: center;
  max-width: 440px;
}

.landing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  width: 100%;
  max-width: 460px;
  margin-top: 10px;
}

.level-card {
  background-color: #FFFFFF;
  border: 2.5px solid var(--border-soft);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--text-main);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.level-card:hover, .level-card:focus-visible {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(255, 71, 110, 0.25);
  background-color: #FFFFFF;
}

.level-card-num {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.level-card-word {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 2px;
}

.level-card-arrow {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-pink);
  margin-top: 6px;
}

.rules-box {
  background-color: #FFFFFF;
  border: 2.5px solid var(--border-soft);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 18px 22px;
  font-size: 0.95rem;
  color: var(--text-main);
  text-align: left;
  line-height: 1.5;
  width: 100%;
}

.rules-box ul {
  padding-left: 20px;
  margin-top: 6px;
}

.rules-box li {
  margin-bottom: 4px;
}

/* Reduced Motion Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Mobile Responsive */
@media (max-width: 480px) {
  body {
    padding: 20px 10px;
  }

  .main-title {
    font-size: 2.3rem;
  }

  .word-card {
    width: 200px;
    padding: 12px 16px;
  }

  .letter-box {
    font-size: 1.5rem;
    letter-spacing: 5px;
  }

  .word-input {
    height: 54px;
    font-size: 1.35rem;
    letter-spacing: 6px;
  }

  .btn-primary {
    height: 54px;
    font-size: 1.2rem;
  }

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