@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Outfit:wght@400;600;700&display=swap');

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

:root {
  --bg-dark: #1a1a2e;
  --bg-panel: #16213e;
  --accent-yellow: #f4d03f;
  --accent-red: #e74c3c;
  --accent-green: #2ecc71;
  --accent-blue: #3498db;
  --text-light: #ecf0f1;
  --text-muted: #95a5a6;
  --border-glow: rgba(244, 208, 63, 0.5);
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg-dark);
  color: var(--text-light);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: radial-gradient(ellipse at top, #2d2d44 0%, #1a1a2e 60%);
  overflow-x: hidden;
  touch-action: manipulation;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

#app {
  width: 100%;
  max-width: 760px;
  padding: 28px;
}

h1 {
  font-family: 'Press Start 2P', cursive;
  font-size: clamp(1.1rem, 4vw, 1.5rem);
  text-align: center;
  color: var(--accent-yellow);
  text-shadow: 2px 2px 0 #c9a227;
  margin-bottom: 12px;
}

.subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 1.1rem;
}

.collection-stats {
  text-align: center;
  margin: -20px 0 20px;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.65rem;
  line-height: 1.7;
  color: #b8c5d0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.gen-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
}

.pokemon-search-wrap {
  margin-bottom: 18px;
}

.pokemon-search-input {
  display: block;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  box-sizing: border-box;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  padding: 12px 14px;
  border: 3px solid #5d6d73;
  border-radius: 10px;
  background: var(--bg-panel);
  color: #e8eef2;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.pokemon-search-input::placeholder {
  color: #7a8a94;
  opacity: 1;
}

.pokemon-search-input:focus {
  border-color: var(--accent-yellow);
  box-shadow: 0 0 0 2px rgba(255, 214, 79, 0.2);
}

.gen-filter-btn {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  padding: 10px 14px;
  border: 3px solid #5d6d73;
  border-radius: 8px;
  background: var(--bg-panel);
  color: var(--text-muted);
  cursor: pointer;
  touch-action: manipulation;
  transition: border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.gen-filter-btn:hover {
  color: #e8eef2;
  border-color: #8b9a9e;
}

.gen-filter-btn.active {
  color: var(--accent-yellow);
  border-color: var(--accent-yellow);
  box-shadow: 0 0 0 1px rgba(255, 214, 79, 0.35);
}

.gen-filter-empty {
  grid-column: 1 / -1;
  width: 100%;
  box-sizing: border-box;
  text-align: center;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.6rem;
  line-height: 1.7;
  color: var(--text-muted);
  padding: 24px 12px;
  margin: 0;
}

/* Start screen */
#pokemon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
  max-height: 60vh;
  overflow-y: auto;
}

.pokemon-card {
  background: var(--bg-panel);
  border: 4px solid transparent;
  border-radius: 14px;
  padding: 20px;
  cursor: pointer;
  text-align: center;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  touch-action: manipulation;
}

.pokemon-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-blue);
  box-shadow: 0 8px 24px rgba(52, 152, 219, 0.25);
}

.pokemon-card.selected {
  border-color: var(--accent-yellow);
  box-shadow: 0 0 20px var(--border-glow);
}

.pokemon-card .sprite {
  width: 92px;
  height: 92px;
  margin: 0 auto 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  overflow: hidden;
}

.pokemon-card .sprite .sprite-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pokemon-card .sprite .sprite-fallback {
  font-size: 3rem;
}

.pokemon-card .name {
  font-weight: 700;
  font-size: 1.05rem;
}

#start-btn {
  display: block;
  width: 100%;
  padding: 18px 28px;
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bg-dark);
  background: var(--accent-yellow);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  touch-action: manipulation;
}

#start-btn:hover:not(:disabled) {
  background: #f0c414;
  transform: scale(1.02);
}

#start-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Battle screen - classic 4-corner layout */
.hidden {
  display: none !important;
}

#battle-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100%;
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  border: none;
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  box-sizing: border-box;
}

/* Main battle view: fills remaining space above dialogue bar */
.battle-scene {
  position: relative;
  flex: 1 1 0;
  min-height: 0;
  overflow: hidden;
  container-type: size;
  container-name: battle;
  background: var(--bg-dark);
  background-image: radial-gradient(ellipse at top, #2d2d44 0%, #1a1a2e 60%);
}

.battle-background {
  display: none;
}

/* Four corners - classic positions */
.battle-corner {
  position: absolute;
  z-index: 1;
}

/* Top row: opponent info (left) and sprite (right) side by side */
.opponent-row {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  font-size: 0;
  white-space: nowrap;
  z-index: 1;
}

.opponent-info-corner {
  display: inline-flex;
  width: 30%;
  height: 100%;
  vertical-align: top;
  font-size: 1rem;
  white-space: normal;
  box-sizing: border-box;
  padding: 12px 12px 20px 12px;
  align-items: flex-start;
  justify-content: flex-start;
}

.opponent-info-corner .pokemon-info-bar {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.opponent-sprite-corner {
  display: inline-flex;
  width: 70%;
  height: 100%;
  vertical-align: top;
  font-size: 1rem;
  white-space: normal;
  box-sizing: border-box;
  padding: 20px;
  align-items: center;
  justify-content: center;
}

.opponent-sprite-corner .grass-patch {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  aspect-ratio: 1;
}

.opponent-sprite-corner .pokemon-sprite {
  width: 95%;
  height: 95%;
  min-width: 0;
  min-height: 0;
}

.player-sprite-corner {
  bottom: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Scale player sprite (cqh caps relative to .battle-scene when supported) */
.player-sprite-corner .grass-patch {
  width: min(420px, 45vw, 38vh);
  height: min(420px, 45vw, 38vh);
}

.player-sprite-corner .pokemon-sprite {
  width: min(400px, 42vw, 36vh);
  height: min(400px, 42vw, 36vh);
}

@supports (height: 1cqh) {
  .player-sprite-corner .grass-patch {
    width: min(420px, 45vw, 38vh, 44cqh);
    height: min(420px, 45vw, 38vh, 44cqh);
  }

  .player-sprite-corner .pokemon-sprite {
    width: min(400px, 42vw, 36vh, 42cqh);
    height: min(400px, 42vw, 36vh, 42cqh);
  }
}

.player-info-corner {
  bottom: 12px;
  right: 12px;
  width: 30%;
  box-sizing: border-box;
  padding: 12px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

.player-info-corner .pokemon-info-bar {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

/* Grey info bars - Game Boy / classic style */
.pokemon-info-bar {
  background: #8b9a9e;
  border: 4px solid #5d6d73;
  border-radius: 4px;
  padding: 8px 12px;
  min-width: 160px;
  box-shadow: 3px 3px 0 #3d484d;
}

.pokemon-info-bar .level {
  float: right;
  font-weight: 700;
  font-size: 0.85rem;
  color: #1a1a1a;
}

.player-info span:first-child,
.opponent-info span:first-child {
  font-weight: 700;
  font-size: 0.95rem;
  color: #1a1a1a;
}

.hp-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.hp-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: #1a1a1a;
  min-width: 20px;
}

.hp-bar {
  flex: 1;
  height: 10px;
  background: #4a5560;
  border-radius: 2px;
  overflow: hidden;
  border: 2px solid #3d484d;
}

.hp-bar > div {
  height: 100%;
  border-radius: 1px;
  transition: width 0.5s ease-out, background 0.25s ease;
}

.hp-bar > div.hp-full {
  background: #4caf50;
}

.hp-bar > div.hp-mid {
  background: #fbc02d;
}

.hp-bar > div.hp-low {
  background: #e53935;
}

.hp-bar > div.hp-decreasing {
  transition: width 0.5s ease-out, background 0.15s ease;
  background: #ff9800;
}

.hp-nums {
  font-size: 0.8rem;
  font-weight: 700;
  color: #1a1a1a;
  min-width: 32px;
}

/* Sprite container (grass patch removed) */
.grass-patch {
  width: 420px;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pokemon-sprite {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  overflow: hidden;
}

/* Attack: move toward opponent then back */
.player-sprite-corner .pokemon-sprite.attack {
  animation: attack-player 0.45s ease-in-out;
}

.opponent-sprite-corner .pokemon-sprite.attack {
  animation: attack-opponent 0.45s ease-in-out;
}

@keyframes attack-player {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(8%, -12%); }
}

@keyframes attack-opponent {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-8%, 12%); }
}

/* Damage: flicker 3 times */
.pokemon-sprite.flicker {
  animation: flicker 0.6s ease-in-out;
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  16.67% { opacity: 0.35; }
  33.33% { opacity: 1; }
  50% { opacity: 0.35; }
  66.67% { opacity: 1; }
  83.33% { opacity: 0.35; }
}

/* Catch animation: pokeball */
.pokeball {
  position: absolute;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(180deg, #e53935 0%, #e53935 47%, #1a1a1a 47%, #1a1a1a 53%, #fff 53%, #fff 100%);
  box-shadow: 0 0 0 3px #1a1a1a, 0 4px 12px rgba(0,0,0,0.4);
  z-index: 10;
  left: 18%;
  bottom: 28%;
  pointer-events: none;
}

.pokeball::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #1a1a1a;
}

.catch-pokeball-hidden {
  opacity: 0;
  visibility: hidden;
  transform: translate(0, 0);
}

.pokeball.catch-throw {
  animation: catch-throw 0.7s ease-out forwards;
  opacity: 1;
  visibility: visible;
}

@keyframes catch-throw {
  0% {
    transform: translate(0, 0);
    opacity: 1;
  }
  45% {
    transform: translate(38vw, -22vh);
    opacity: 1;
  }
  100% {
    transform: translate(50vw, -28vh);
    opacity: 1;
  }
}

.opponent-sprite-corner .pokemon-sprite.catch-sprite-black {
  animation: catch-sprite-black 0.2s ease-out forwards;
}

@keyframes catch-sprite-black {
  to {
    filter: brightness(0);
  }
}

.opponent-sprite-corner .pokemon-sprite.catch-sprite-shrink {
  animation: catch-sprite-shrink 0.5s ease-in forwards;
  transform-origin: center center;
}

@keyframes catch-sprite-shrink {
  to {
    transform: scale(0);
    opacity: 0;
  }
}

.pokeball.catch-wiggle {
  animation: catch-wiggle 1.4s ease-in-out;
}

@keyframes catch-wiggle {
  0%, 100% { transform: translate(50vw, -28vh) rotate(0deg); }
  8% { transform: translate(50vw, -28vh) rotate(-20deg); }
  16% { transform: translate(50vw, -28vh) rotate(20deg); }
  24% { transform: translate(50vw, -28vh) rotate(-18deg); }
  32% { transform: translate(50vw, -28vh) rotate(18deg); }
  40% { transform: translate(50vw, -28vh) rotate(-14deg); }
  48% { transform: translate(50vw, -28vh) rotate(14deg); }
  56% { transform: translate(50vw, -28vh) rotate(-10deg); }
  64% { transform: translate(50vw, -28vh) rotate(10deg); }
  72% { transform: translate(50vw, -28vh) rotate(-6deg); }
  80% { transform: translate(50vw, -28vh) rotate(6deg); }
  88% { transform: translate(50vw, -28vh) rotate(-3deg); }
}

.pokeball.catch-success {
  animation: catch-ball-flash 0.5s ease-in-out forwards;
}

@keyframes catch-ball-flash {
  0%, 100% {
    transform: translate(50vw, -28vh);
    filter: none;
  }
  50% {
    transform: translate(50vw, -28vh);
    filter: brightness(0);
  }
}

/* Caught Pokémon prompt box */
.caught-prompt {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  padding: 24px;
}

.caught-prompt.hidden {
  display: none !important;
}

.caught-prompt-box {
  background: var(--bg-panel);
  border: 4px solid var(--accent-yellow);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  max-width: 280px;
  box-shadow: 0 0 40px rgba(244, 208, 63, 0.3);
}

.caught-prompt-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.9rem;
  color: var(--accent-yellow);
  margin-bottom: 20px;
}

.caught-prompt-sprite {
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.caught-prompt-sprite img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.caught-prompt-sprite .sprite-fallback {
  font-size: 4rem;
}

.caught-prompt-name {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

#caught-prompt-ok {
  padding: 12px 28px;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--bg-dark);
  background: var(--accent-yellow);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  touch-action: manipulation;
}

#caught-prompt-ok:hover {
  background: #f0c414;
  transform: scale(1.05);
}

/* Evolution prompt box (same style as caught prompt) */
.evolution-prompt {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 21;
  padding: 24px;
}

.evolution-prompt.hidden {
  display: none !important;
}

.evolution-prompt-box {
  background: var(--bg-panel);
  border: 4px solid var(--accent-yellow);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  max-width: 320px;
  box-shadow: 0 0 40px rgba(244, 208, 63, 0.3);
}

.evolution-prompt-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.9rem;
  color: var(--accent-yellow);
  margin-bottom: 20px;
}

.evolution-prompt-sprite {
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.evolution-prompt-sprite img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.evolution-prompt-sprite .sprite-fallback {
  font-size: 4rem;
}

.evolution-prompt-message {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.4;
}

#evolution-prompt-ok {
  padding: 12px 28px;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--bg-dark);
  background: var(--accent-yellow);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  touch-action: manipulation;
}

#evolution-prompt-ok:hover {
  background: #f0c414;
  transform: scale(1.05);
}

.pokemon-sprite .sprite-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pokemon-sprite .sprite-fallback {
  font-size: 3rem;
}

.foreground-grass {
  display: none;
}

/* Bottom dialogue bar - one solid bar, message left + choices right */
.battle-dialogue {
  display: flex;
  flex-shrink: 0;
  min-height: 100px;
  background: #8b9a9e;
  border-top: 5px solid #5d6d73;
}

.dialogue-message {
  flex: 1;
  padding: 10px 14px;
  background: #fff;
  border: 4px solid #5d6d73;
  border-top: none;
  border-left: none;
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

#math-question {
  font-family: 'Press Start 2P', cursive;
  font-size: 1.05rem;
  font-weight: 400;
  color: #1a1a1a;
  margin: 0;
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

#math-question .question-emoji {
  font-size: 2em;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
  margin: 0 0.06em;
  font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', sans-serif;
}

#math-question .math-operator {
  vertical-align: middle;
}

/* Plus: CSS-drawn cross to match the minus bar style */
#math-question .math-operator--plus {
  font-size: 0;
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  margin: 0 0.08rem;
  background-image:
    linear-gradient(currentColor, currentColor),
    linear-gradient(currentColor, currentColor);
  background-size: 0.18rem 0.7rem, 0.7rem 0.18rem;
  background-position: center, center;
  background-repeat: no-repeat;
  vertical-align: middle;
}

/* Minus: visible bar so it doesn’t look like an underscore in pixel fonts */
#math-question .math-operator--minus {
  font-size: 0;
  display: inline-block;
  width: 0.7rem;
  height: 0.18rem;
  margin: 0 0.08rem;
  background: currentColor;
  vertical-align: middle;
}

#feedback {
  margin: 6px 0 0;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.8rem;
  font-weight: 400;
  line-height: 1.6;
}

#feedback.correct-msg { color: #2e7d32; }
#feedback.wrong-msg { color: #c62828; }

.dialogue-choices {
  width: 220px;
  flex-shrink: 0;
  padding: 8px;
  background: #8b9a9e;
  border-left: 4px solid #5d6d73;
  display: flex;
  align-items: stretch;
}

.choices-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 6px;
  width: 100%;
  min-height: 84px;
}

.answer-btn {
  padding: 12px 10px;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.85rem;
  font-weight: 400;
  color: #1a1a1a;
  background: #e57373;
  border: 4px solid #5d6d73;
  border-radius: 2px;
  cursor: pointer;
  transition: filter 0.1s, transform 0.05s;
  box-shadow: 2px 2px 0 #3d484d;
  line-height: 1.4;
  touch-action: manipulation;
}

.answer-btn:nth-child(1) { background: #e57373; }
.answer-btn:nth-child(2) { background: #ceb066; }
.answer-btn:nth-child(3) { background: #81c784; }
.answer-btn:nth-child(4) { background: #64b5f6; }

.answer-btn:hover:not(:disabled) {
  filter: brightness(1.15);
  transform: scale(1.02);
}

.answer-btn:disabled {
  cursor: default;
  opacity: 0.95;
}

.answer-btn.correct {
  background: #66bb6a;
  border-color: #2e7d32;
}

.answer-btn.wrong {
  background: #ef5350;
  border-color: #c62828;
}

/* Result overlay */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex !important;
  align-items: center;
  justify-content: center;
  z-index: 10;
  padding: 28px;
}

#result-screen.hidden {
  display: none !important;
}

.result-box {
  background: var(--bg-panel);
  padding: 40px;
  border-radius: 20px;
  text-align: center;
  max-width: 440px;
  border: 4px solid var(--accent-yellow);
  box-shadow: 0 0 40px rgba(244, 208, 63, 0.2);
}

.result-box h2 {
  font-family: 'Press Start 2P', cursive;
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.result-box h2.win { color: var(--accent-green); }
.result-box h2.lose { color: var(--accent-red); }

.result-box p {
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
  font-size: 1.05rem;
}

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

#next-battle-btn,
#change-pokemon-btn {
  padding: 14px 28px;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  touch-action: manipulation;
}

#next-battle-btn {
  color: var(--bg-dark);
  background: var(--accent-yellow);
}

#next-battle-btn:hover {
  background: #f0c414;
  transform: scale(1.05);
}

#change-pokemon-btn {
  color: var(--text-light);
  background: var(--bg-dark);
  border: 2px solid var(--text-muted);
}

#change-pokemon-btn:hover {
  background: #2a2a4e;
  border-color: var(--accent-blue);
  transform: scale(1.02);
}

/* ========== Tablet / iPad: battle fits one screen ========== */
@media (max-width: 1024px), ((max-width: 1400px) and (max-height: 1050px)) {
  #battle-screen {
    height: 100dvh;
    max-height: 100dvh;
  }

  .opponent-row {
    height: 42%;
  }

  @supports (height: 1cqh) {
    .opponent-row {
      max-height: min(50%, 48cqh);
    }

    .opponent-sprite-corner .grass-patch {
      max-width: min(100%, 46cqh);
      max-height: min(100%, 46cqh);
    }
  }

  .player-sprite-corner .grass-patch {
    width: min(220px, 40vw, 32vh);
    height: min(220px, 40vw, 32vh);
  }

  .player-sprite-corner .pokemon-sprite {
    width: min(200px, 38vw, 30vh);
    height: min(200px, 38vw, 30vh);
  }

  @supports (height: 1cqh) {
    .player-sprite-corner .grass-patch {
      width: min(220px, 40vw, 32vh, 40cqh);
      height: min(220px, 40vw, 32vh, 40cqh);
    }

    .player-sprite-corner .pokemon-sprite {
      width: min(200px, 38vw, 30vh, 38cqh);
      height: min(200px, 38vw, 30vh, 38cqh);
    }
  }

  .player-sprite-corner,
  .player-info-corner {
    bottom: 8px;
  }

  .player-sprite-corner {
    left: 8px;
  }

  .player-info-corner {
    right: 8px;
    width: 34%;
    padding: 8px;
  }

  .opponent-info-corner {
    padding: 8px 8px 10px 8px;
  }

  .opponent-sprite-corner {
    padding: 10px;
  }

  .pokemon-info-bar {
    padding: 6px 8px;
  }

  .battle-dialogue {
    flex-direction: column;
    flex-shrink: 1;
    min-height: 0;
    max-height: min(42dvh, 320px);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .dialogue-message {
    border-left: 4px solid #5d6d73;
    flex-shrink: 0;
  }

  .dialogue-choices {
    width: 100%;
    flex-shrink: 0;
    border-left: none;
    border-top: 4px solid #5d6d73;
    padding: 8px 10px 10px;
  }

  .choices-grid {
    min-height: 88px;
    gap: 6px;
  }

  #math-question {
    font-size: 0.82rem;
    line-height: 1.45;
  }

  #feedback {
    font-size: 0.68rem;
  }

  .answer-btn {
    padding: 10px 6px;
    font-size: 0.72rem;
    min-height: 40px;
  }
}

/* ========== Mobile-friendly styles ========== */
@media (max-width: 768px) {
  body {
    padding: 12px;
    align-items: flex-start;
    padding-top: max(12px, env(safe-area-inset-top));
  }

  #app {
    padding: 16px;
    max-width: 100%;
  }

  h1 {
    font-size: clamp(0.75rem, 4.5vw, 1.1rem);
    margin-bottom: 8px;
  }

  .subtitle {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }

  .collection-stats {
    font-size: 0.55rem;
    margin: -12px 0 14px;
  }

  .gen-filter {
    gap: 8px;
    margin-bottom: 14px;
  }

  .pokemon-search-wrap {
    margin-bottom: 14px;
  }

  .pokemon-search-input {
    max-width: 100%;
    font-size: 0.48rem;
    padding: 10px 12px;
    border-width: 2px;
  }

  .gen-filter-btn {
    font-size: 0.48rem;
    padding: 8px 10px;
    border-width: 2px;
  }

  .gen-filter-empty {
    font-size: 0.52rem;
    padding: 18px 8px;
  }

  #pokemon-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
    max-height: 55vh;
    max-height: 55dvh;
  }

  .pokemon-card {
    padding: 12px 8px;
    border-width: 3px;
    min-height: 0;
  }

  .pokemon-card .sprite {
    width: 64px;
    height: 64px;
    margin: 0 auto 6px;
    font-size: 2rem;
  }

  .pokemon-card .sprite .sprite-fallback {
    font-size: 2rem;
  }

  .pokemon-card .name {
    font-size: 0.85rem;
  }

  #start-btn {
    padding: 16px 20px;
    font-size: 1rem;
    min-height: 48px;
  }

  /* Battle screen */
  #battle-screen {
    height: 100vh;
    height: 100dvh;
  }

  .opponent-info-corner {
    padding: 8px 8px 12px 8px;
    width: 36%;
  }

  .opponent-sprite-corner {
    width: 64%;
    padding: 12px;
  }

  .pokemon-info-bar {
    min-width: 0;
    padding: 6px 8px;
  }

  .pokemon-info-bar .level {
    font-size: 0.7rem;
  }

  .player-info span:first-child,
  .opponent-info span:first-child {
    font-size: 0.8rem;
  }

  .hp-bar {
    height: 8px;
  }

  .hp-nums {
    font-size: 0.7rem;
    min-width: 28px;
  }

  .player-sprite-corner,
  .player-info-corner {
    bottom: 8px;
  }

  .player-sprite-corner {
    left: 8px;
  }

  .player-info-corner {
    right: 8px;
    width: 36%;
    padding: 8px;
  }

  .player-sprite-corner .grass-patch {
    width: min(280px, 42vw, 34vh);
    height: min(280px, 42vw, 34vh);
  }

  .player-sprite-corner .pokemon-sprite {
    width: min(260px, 40vw, 32vh);
    height: min(260px, 40vw, 32vh);
  }

  /* Dialogue: stack on small screens */
  .battle-dialogue {
    flex-direction: column;
    min-height: 0;
    flex: 0 0 auto;
  }

  .dialogue-message {
    padding: 10px 12px;
    border-left: 4px solid #5d6d73;
  }

  #math-question {
    font-size: 0.75rem;
    line-height: 1.5;
  }

  #feedback {
    font-size: 0.65rem;
  }

  .dialogue-choices {
    width: 100%;
    border-left: none;
    border-top: 4px solid #5d6d73;
    padding: 10px;
  }

  .choices-grid {
    min-height: 120px;
    gap: 8px;
  }

  .answer-btn {
    padding: 14px 8px;
    font-size: 0.7rem;
    min-height: 44px;
    border-width: 3px;
  }

  /* Pokeball catch animation - slightly smaller on mobile */
  .pokeball {
    width: 40px;
    height: 40px;
  }

  .pokeball::before {
    width: 12px;
    height: 12px;
  }

  /* Overlays */
  .caught-prompt,
  .evolution-prompt {
    padding: 16px;
    align-items: center;
    justify-content: center;
  }

  .caught-prompt-box,
  .evolution-prompt-box {
    padding: 24px;
    max-width: min(280px, 92vw);
  }

  .caught-prompt-title,
  .evolution-prompt-title {
    font-size: 0.75rem;
    margin-bottom: 14px;
  }

  .caught-prompt-sprite,
  .evolution-prompt-sprite {
    width: 100px;
    height: 100px;
    margin-bottom: 12px;
  }

  .caught-prompt-sprite .sprite-fallback,
  .evolution-prompt-sprite .sprite-fallback {
    font-size: 3rem;
  }

  .caught-prompt-name,
  .evolution-prompt-message {
    font-size: 1rem;
    margin-bottom: 16px;
  }

  #caught-prompt-ok,
  #evolution-prompt-ok {
    padding: 14px 24px;
    min-height: 48px;
  }

  .overlay {
    padding: 16px;
    padding-top: max(16px, env(safe-area-inset-top));
    padding-bottom: max(16px, env(safe-area-inset-bottom));
  }

  .result-box {
    padding: 24px 20px;
    max-width: min(440px, 92vw);
  }

  .result-box h2 {
    font-size: 1rem;
    margin-bottom: 12px;
  }

  .result-box p {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }

  #next-battle-btn,
  #change-pokemon-btn {
    padding: 16px 24px;
    min-height: 48px;
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 480px) {
  #pokemon-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .pokemon-card .sprite {
    width: 56px;
    height: 56px;
    font-size: 1.75rem;
  }

  .pokemon-card .name {
    font-size: 0.8rem;
  }

  .opponent-info-corner {
    width: 40%;
  }

  .opponent-sprite-corner {
    width: 60%;
  }

  .player-sprite-corner .grass-patch {
    width: min(220px, 50vw, 30vh);
    height: min(220px, 50vw, 30vh);
  }

  .player-sprite-corner .pokemon-sprite {
    width: min(200px, 46vw, 28vh);
    height: min(200px, 46vw, 28vh);
  }

  .answer-btn {
    font-size: 0.65rem;
  }
}