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

:root {
  --color-base: #fffbf5;
  --color-text: #1e1e2e;
  --color-primary: #6366f1;
  --color-secondary: #f472b6;
  --color-accent: #fbbf24;
  --color-success: #22c55e;
  --color-error: #ef4444;
  --color-grass: #86c459;
  --color-grass-dark: #5a9a32;
  --color-sky: #bde0fe;
  --color-trail: #d4a574;
  --color-trail-dark: #b8895a;
  --radius: 20px;
  --radius-lg: 28px;
  --radius-full: 999px;
}

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

body {
  font-family: 'Nunito', sans-serif;
  background: linear-gradient(180deg, #87CEEB 0%, var(--color-sky) 40%, var(--color-grass) 75%, var(--color-grass-dark) 100%);
  min-height: 100vh;
  color: var(--color-text);
  overflow-x: hidden;
}

/* ============ BACKGROUND DECORATIONS ============ */
#bg-decoration { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }

.cloud {
  position: absolute;
  font-size: 60px;
  opacity: 0.6;
  filter: blur(1px);
  animation: floatCloud linear infinite;
}
.cloud-1 { top: 5%; left: -10%; animation-duration: 35s; font-size: 50px; }
.cloud-2 { top: 12%; left: -15%; animation-duration: 45s; animation-delay: -15s; font-size: 70px; }
.cloud-3 { top: 2%; left: -8%; animation-duration: 55s; animation-delay: -30s; font-size: 40px; }

@keyframes floatCloud {
  0% { transform: translateX(-100px); }
  100% { transform: translateX(calc(100vw + 150px)); }
}

.grass-strip {
  position: absolute;
  bottom: 0; left: 0; right: 0; height: 30%;
  background:
    repeating-linear-gradient(85deg, transparent, transparent 30px, rgba(90,154,50,0.15) 30px, rgba(90,154,50,0.15) 32px),
    repeating-linear-gradient(95deg, transparent, transparent 45px, rgba(134,196,89,0.1) 45px, rgba(134,196,89,0.1) 47px);
}

/* ============ SCREENS ============ */
.screen {
  display: none;
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 20px 16px;
}
.screen.active { display: flex; flex-direction: column; align-items: center; }

/* ============ MENU SCREEN ============ */
#menu-screen { justify-content: center; }

.menu-content { text-align: center; max-width: 400px; width: 100%; }

.title-pokemon {
  font-size: 72px;
  animation: bounce 2s ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(99,102,241,0.3));
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.game-title {
  font-size: clamp(36px, 8vw, 52px);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.1;
  margin: 8px 0 4px;
  text-shadow: 3px 3px 0 rgba(255,255,255,0.5), 0 0 40px rgba(99,102,241,0.2);
}
.title-sub {
  color: var(--color-primary);
  display: block;
  font-size: 0.65em;
  letter-spacing: 2px;
}

.intro-text {
  font-size: 18px;
  font-weight: 600;
  color: rgba(30,30,46,0.6);
  margin-bottom: 32px;
}

/* TRAIL MAP MENU */
.trail-map {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.trail-path {
  position: absolute;
  left: 36px;
  top: 30px;
  bottom: 30px;
  width: 6px;
  background: repeating-linear-gradient(
    180deg,
    var(--color-trail) 0px,
    var(--color-trail) 10px,
    var(--color-trail-dark) 10px,
    var(--color-trail-dark) 14px,
    transparent 14px,
    transparent 20px
  );
  border-radius: 3px;
  z-index: 0;
}

.mode-btn {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 18px 20px;
  border: 3px solid rgba(255,255,255,0.6);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: 'Nunito', sans-serif;
  text-align: left;
  transition: transform 0.2s, box-shadow 0.2s;
  backdrop-filter: blur(8px);
}
.mode-btn:hover {
  transform: translateY(-3px) scale(1.02);
}
.mode-btn:active { transform: scale(0.98); }

.mode-whos {
  background: linear-gradient(135deg, rgba(99,102,241,0.85), rgba(99,102,241,0.7));
  box-shadow: 0 8px 28px rgba(99,102,241,0.35);
  color: white;
}
.mode-type {
  background: linear-gradient(135deg, rgba(244,114,182,0.85), rgba(244,114,182,0.7));
  box-shadow: 0 8px 28px rgba(244,114,182,0.35);
  color: white;
}
.mode-size {
  background: linear-gradient(135deg, rgba(34,197,94,0.85), rgba(34,197,94,0.7));
  box-shadow: 0 8px 28px rgba(34,197,94,0.35);
  color: white;
}

.mode-marker {
  font-size: 32px;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.25);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.mode-name {
  font-size: 18px;
  font-weight: 700;
  display: block;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.15);
}
.mode-desc {
  font-size: 14px;
  font-weight: 600;
  opacity: 0.85;
  display: block;
}

/* ============ GAME SCREEN ============ */
#game-screen { padding-top: 16px; }

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 460px;
  margin-bottom: 10px;
}

.back-btn {
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 2px solid rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.35);
  color: var(--color-text);
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: transform 0.2s;
}
.back-btn:hover { transform: scale(1.05); }

.score-badge {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  background: rgba(255,255,255,0.5);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

.progress-bar-wrap {
  width: 100%;
  max-width: 460px;
  height: 10px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.3);
  margin-bottom: 14px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-success), #86efac);
  transition: width 0.5s ease;
  width: 0%;
}

.question-counter {
  font-size: 14px;
  font-weight: 600;
  color: rgba(30,30,46,0.55);
  margin-bottom: 12px;
}

/* QUIZ CARD */
.quiz-card {
  background: rgba(255,255,255,0.65);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  backdrop-filter: blur(16px);
  border: 2px solid rgba(255,255,255,0.6);
  animation: cardIn 0.4s ease;
}

@keyframes cardIn {
  0% { transform: scale(0.9); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.quiz-content { text-align: center; }

.quiz-title {
  font-size: clamp(22px, 5vw, 28px);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 12px;
}

/* SILHOUETTE / IMAGE AREA */
.pokemon-image-wrap {
  width: 190px;
  height: 190px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  transition: background 0.5s, box-shadow 0.5s;
}
.pokemon-image-wrap.silhouette {
  background: radial-gradient(circle, rgba(50,50,80,0.9), rgba(30,30,50,0.7));
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.pokemon-image-wrap.revealed {
  background: radial-gradient(circle, rgba(255,255,255,0.95), rgba(240,245,255,0.5));
  box-shadow: 0 8px 32px rgba(120,200,80,0.3);
}
.pokemon-image-wrap.normal {
  background: radial-gradient(circle, rgba(255,255,255,0.95), rgba(240,245,255,0.5));
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.pokemon-image-wrap img {
  width: 165px;
  height: 165px;
  object-fit: contain;
  transition: filter 0.5s ease;
}
.pokemon-image-wrap.silhouette img {
  filter: brightness(0) drop-shadow(0 0 10px rgba(100,150,255,0.5));
}

.pokemon-name {
  font-size: 22px;
  font-weight: 700;
  text-transform: capitalize;
  margin: 4px 0 14px;
  color: var(--color-text);
}

/* OPTION BUTTONS GRID */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 380px;
  margin: 0 auto;
}

.option-btn {
  font-family: 'Nunito', sans-serif;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 10px;
  border-radius: 16px;
  border: 3px solid #b2bec3;
  background: linear-gradient(135deg, #e8ecef, #cfd9de);
  color: var(--color-text);
  cursor: pointer;
  text-transform: capitalize;
  letter-spacing: 0.3px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: transform 0.25s, background 0.25s, border-color 0.25s, color 0.25s, box-shadow 0.25s;
}
.option-btn:hover:not(.disabled) {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}
.option-btn:active:not(.disabled) { transform: scale(0.97); }
.option-btn.disabled { cursor: default; }

.option-btn.correct {
  background: linear-gradient(135deg, #22c55e, #86efac);
  border-color: #22c55e;
  color: white;
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(34,197,94,0.35);
}
.option-btn.wrong {
  background: linear-gradient(135deg, #ef4444, #fca5a5);
  border-color: #ef4444;
  color: white;
}
.option-btn.faded { opacity: 0.4; }

/* TYPE-COLORED BUTTONS */
.option-btn.type-btn {
  color: white;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.25);
  border: 3px solid rgba(255,255,255,0.3);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

/* SIZE COMPARISON CARDS */
.size-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 380px;
  margin: 0 auto;
}

.size-card {
  background: rgba(255,255,255,0.7);
  border: 3px solid #dfe6e9;
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: 'Nunito', sans-serif;
}
.size-card:hover:not(.disabled) {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}
.size-card:active:not(.disabled) { transform: scale(0.97); }
.size-card.disabled { cursor: default; }

.size-card img {
  width: 110px;
  height: 110px;
  object-fit: contain;
}
.size-card .pokemon-name {
  font-size: 18px;
  margin: 6px 0 2px;
}
.size-card .size-stat {
  font-size: 13px;
  font-weight: 600;
  color: #636e72;
  margin: 0;
}

.size-card.correct {
  border-color: var(--color-success);
  background: rgba(34,197,94,0.1);
}
.size-card.wrong {
  border-color: var(--color-error);
  background: rgba(239,68,68,0.1);
}

/* ============ FEEDBACK POPUP ============ */
.feedback-popup {
  position: fixed;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Nunito', sans-serif;
  font-size: 34px;
  font-weight: 800;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.1);
  z-index: 999;
  pointer-events: none;
  background: rgba(255,255,255,0.88);
  padding: 12px 30px;
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  animation: feedbackPop 0.4s ease;
}
.feedback-popup.hidden { display: none; }
.feedback-popup.correct-fb { color: var(--color-success); }
.feedback-popup.wrong-fb { color: var(--color-error); }

@keyframes feedbackPop {
  0% { transform: translate(-50%,-50%) scale(0) rotate(-10deg); opacity: 0; }
  60% { transform: translate(-50%,-50%) scale(1.3) rotate(5deg); }
  100% { transform: translate(-50%,-50%) scale(1) rotate(0); opacity: 1; }
}

/* ============ RESULTS SCREEN ============ */
#results-screen { justify-content: center; }

.results-card {
  background: rgba(255,255,255,0.72);
  border-radius: 32px;
  padding: 40px 32px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 44px rgba(0,0,0,0.1);
  border: 2px solid rgba(255,255,255,0.55);
  animation: cardIn 0.5s ease;
}

.results-emoji {
  font-size: 68px;
  margin-bottom: 8px;
  animation: pulse 1.6s ease infinite;
}
@keyframes pulse { 0%,100%{ transform:scale(1);} 50%{ transform:scale(1.1);} }

.results-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--color-text);
  margin: 0 0 6px;
}
.results-sub {
  font-size: 17px;
  font-weight: 600;
  color: rgba(30,30,46,0.55);
  margin-bottom: 22px;
}
.results-score {
  font-size: 52px;
  font-weight: 800;
  font-family: 'Nunito', sans-serif;
  margin-bottom: 28px;
}

.results-btns { display: flex; flex-direction: column; gap: 12px; }

.btn-play-again {
  font-family: 'Nunito', sans-serif;
  font-size: 18px;
  font-weight: 700;
  padding: 16px 24px;
  border-radius: 16px;
  border: none;
  background: linear-gradient(135deg, var(--color-primary), #818cf8);
  color: white;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(99,102,241,0.35);
  transition: transform 0.2s;
}
.btn-play-again:hover { transform: translateY(-2px) scale(1.03); }

.btn-back-menu {
  font-family: 'Nunito', sans-serif;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 16px;
  border: 2px solid rgba(30,30,46,0.2);
  background: rgba(255,255,255,0.45);
  color: var(--color-text);
  cursor: pointer;
  transition: transform 0.2s;
}
.btn-back-menu:hover { transform: scale(1.03); }

/* ============ SPINNER ============ */
.pokeball-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 30px 0;
}
.spinner-ball {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(180deg, #ff1a1a 0%, #ff1a1a 47%, #333 47%, #333 53%, white 53%, white 100%);
  border: 3px solid #333;
  position: relative;
  animation: spin 1s linear infinite;
}
.spinner-dot {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 14px; height: 14px;
  border-radius: 50%;
  background: white;
  border: 3px solid #333;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.pokeball-spinner p {
  font-size: 16px;
  font-weight: 600;
  color: rgba(30,30,46,0.5);
}

/* ============ CONFETTI ============ */
.confetti-piece {
  position: fixed;
  top: -20px;
  z-index: 9999;
  pointer-events: none;
  animation: confettiFall forwards;
}
@keyframes confettiFall {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

/* ============ MOBILE ============ */
@media (max-width: 480px) {
  .quiz-card { padding: 20px 16px; }
  .pokemon-image-wrap { width: 160px; height: 160px; }
  .pokemon-image-wrap img { width: 140px; height: 140px; }
  .size-card img { width: 85px; height: 85px; }
  .options-grid, .size-grid { gap: 8px; }
  .option-btn { font-size: 14px; padding: 12px 8px; }
}