/* ===== RESET & FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&family=Noto+Serif+SC:wght@700;900&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --sky-top:#a8d8ea;
  --sky-mid:#c9e8f5;
  --sky-low:#e8f4e8;
  --grass:#b5d69a;
  --grass-dark:#8db56f;
  --earth:#d4a76a;
  --earth-light:#e8cfa0;
  --cream:#fef9f0;
  --paper:#fdf5e6;
  --ink:#4a3f35;
  --ink-light:#6b5e4f;
  --ink-muted:#9b8e7a;
  --hp-green:#7cb342;
  --hp-red:#e57373;
  --hp-red-dark:#c62828;
  --card-bg:#f8f0f8;
  --card-border:#e8d5e0;
  --blossom:#f4a7b9;
  --gold:#c8963e;
}

body{
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  background:#f2f2f2;color:var(--ink);min-height:100vh;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;
  user-select:none;
}

/* ===== MAIN CONTAINER ===== */
.app{max-width:480px;margin:0 auto;padding:12px 16px 40px;position:relative;z-index:1}

/* ===== TOP BAR ===== */
.top-bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 14px;margin-bottom:8px;
  background:var(--cream);border:2px solid var(--earth-light);
  border-radius:16px;box-shadow:0 4px 12px rgba(74,63,53,0.08);
}
.back-btn{
  width:36px;height:36px;border-radius:50%;border:2px solid var(--earth-light);
  background:var(--paper);color:var(--ink);font-size:18px;font-weight:900;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:all 0.3s;line-height:1;
}
.back-btn:hover{background:var(--earth-light);border-color:var(--earth)}
.back-btn:active{transform:scale(0.9)}
.score-display{
  display:flex;align-items:center;gap:6px;font-weight:900;font-size:18px;color:var(--ink);
}
.score-display .trophy{font-size:24px;animation:trophyBounce 2s ease-in-out infinite}
@keyframes trophyBounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.timer-display{
  display:flex;align-items:center;gap:4px;font-weight:900;font-size:18px;color:var(--ink);
  min-width:60px;text-align:right;
}
.timer-display .clock-icon{font-size:20px}
.timer-display.urgent{color:var(--hp-red);animation:timerPulse 0.6s ease-in-out infinite}
@keyframes timerPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}

/* Bulb / Lightbulb help button */
.bulb-btn{
  width:36px;height:36px;border-radius:50%;border:2px solid #f9d71c;
  background:linear-gradient(135deg,#fff9c4,#fff176);color:#f57f17;
  font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:all 0.3s;line-height:1;position:relative;
  box-shadow:0 0 12px rgba(249,215,28,0.3);
}
.bulb-btn:hover{background:#fff176;transform:scale(1.1);box-shadow:0 0 20px rgba(249,215,28,0.5)}
.bulb-btn:active{transform:scale(0.9)}
.bulb-btn.used{opacity:0.3;pointer-events:none;box-shadow:none}
.bulb-btn .bulb-cost{position:absolute;top:-6px;right:-6px;background:var(--hp-red);color:#fff;font-size:9px;font-weight:900;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.bulb-toast{position:fixed;top:60px;left:50%;transform:translateX(-50%);background:#333;color:#ffeb3b;padding:8px 20px;border-radius:20px;font-size:13px;font-weight:700;z-index:200;pointer-events:none;animation:toastIn 0.3s ease,toastOut 0.3s ease 1.7s forwards}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%)translateY(-10px)}to{opacity:1;transform:translateX(-50%)translateY(0)}}
@keyframes toastOut{from{opacity:1}to{opacity:0}}

/* Eliminated option */
.option-btn.eliminated{
  opacity:0.15;pointer-events:none;transform:scale(0.95);
  background:#ddd!important;border-color:#ccc!important;color:#999!important;
  transition:all 0.4s;
}

/* Sheep name input */
.name-input-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:8px}
.name-input{
  width:100px;padding:6px 10px;border-radius:14px;border:2px solid var(--earth-light);
  background:var(--paper);color:var(--ink);font-size:13px;font-weight:700;
  text-align:center;outline:none;transition:all 0.3s;font-family:'Noto Sans SC',sans-serif;
}
.name-input:focus{border-color:var(--earth);box-shadow:0 0 0 3px rgba(200,150,62,0.15)}

/* Fighter sprite clickable */
.fighter-sprite.clickable{cursor:pointer}
.fighter-sprite.clickable:hover{transform:scale(1.15);filter:drop-shadow(0 0 12px rgba(255,235,59,0.5))}
.fighter-sprite.clickable:active{transform:scale(0.9)}

/* HP recovery indicator */
.hp-recovery{font-size:9px;color:var(--hp-green);margin-top:1px;text-align:center;display:none}

/* ===== PROGRESS ===== */
.progress-row{text-align:center;margin-bottom:10px}
.progress-text{font-size:13px;color:var(--ink-muted);letter-spacing:1px;font-weight:500}
.progress-bar{height:4px;background:var(--earth-light);border-radius:2px;margin-top:6px;overflow:hidden}
.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--grass),var(--hp-green));border-radius:2px;transition:width 0.5s ease}

/* ===== BATTLE CARD ===== */
.battle-card{
  background:var(--card-bg);border:2px solid var(--card-border);
  border-radius:24px;padding:20px 18px 24px;
  box-shadow:0 8px 24px rgba(74,63,53,0.1);
  position:relative;overflow:hidden;
}
.battle-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,transparent,var(--blossom),transparent);
  opacity:0.5;
}

/* ===== BATTLE AREA ===== */
.battle-area{
  display:flex;align-items:center;justify-content:center;gap:12px;
  margin-bottom:18px;position:relative;
}
.fighter{
  display:flex;flex-direction:column;align-items:center;gap:6px;flex:1;
  transition:all 0.4s;
}
.fighter.player{text-align:center}
.fighter.monster{text-align:center}
.fighter-sprite{
  font-size:56px;display:block;transition:all 0.3s;
  filter:drop-shadow(0 4px 8px rgba(74,63,53,0.15));
}
.fighter-sprite.hit{animation:fighterHit 0.5s ease}
.fighter-sprite.attack{animation:fighterAttack 0.4s ease}
.fighter-sprite.defeated{opacity:0.3;transform:scale(0.7);filter:grayscale(0.8)}
@keyframes fighterHit{0%,100%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-6px)}80%{transform:translateX(4px)}}
@keyframes fighterAttack{0%{transform:scale(1)}40%{transform:scale(1.2)translateX(10px)}100%{transform:scale(1)translateX(0)}}

.fighter-name{font-size:11px;font-weight:700;color:var(--ink-muted);letter-spacing:1px}

.hp-bar-container{width:100%;position:relative}
.hp-bar{
  width:100%;height:14px;background:rgba(0,0,0,0.08);border-radius:7px;
  overflow:hidden;position:relative;
}
.hp-bar-fill{height:100%;border-radius:7px;transition:width 0.6s cubic-bezier(0.4,0,0.2,1);position:relative}
.hp-bar-fill.green{background:linear-gradient(90deg,#aed581,var(--hp-green))}
.hp-bar-fill.red{background:linear-gradient(90deg,var(--hp-red),var(--hp-red-dark))}
.hp-bar-fill::after{
  content:'';position:absolute;top:2px;left:4px;right:4px;height:4px;
  background:rgba(255,255,255,0.3);border-radius:2px;
}
.hp-label{font-size:10px;font-weight:700;color:var(--ink-muted);text-align:center;margin-top:2px}

.vs-icon{
  font-size:32px;flex-shrink:0;
  animation:vsPulse 1.5s ease-in-out infinite;
  filter:drop-shadow(0 0 6px rgba(200,150,62,0.4));
}
@keyframes vsPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.15)}}

/* ===== DAMAGE FLOAT ===== */
.damage-float{
  position:absolute;font-weight:900;font-size:20px;pointer-events:none;
  animation:damageFloat 1s ease-out forwards;z-index:10;
}
.damage-float.dmg-player{color:var(--hp-red);right:50%;margin-right:-30px;top:0}
.damage-float.dmg-monster{color:var(--hp-green);left:50%;margin-left:-30px;top:0}
@keyframes damageFloat{0%{opacity:1;transform:translateY(0)scale(1)}100%{opacity:0;transform:translateY(-40px)scale(1.5)}}

/* ===== WORD DISPLAY ===== */
.word-display{
  display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:8px;
}
.word-text{
  font-size:32px;font-weight:900;color:var(--ink);letter-spacing:1px;
  font-family:'Noto Serif SC',serif;
}
.pronounce-btn{
  width:40px;height:40px;border-radius:50%;border:2px solid var(--earth-light);
  background:linear-gradient(135deg,#fff8e1,#fef3d0);color:var(--gold);
  font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:all 0.3s;
}
.pronounce-btn:hover{background:var(--earth-light);border-color:var(--earth);transform:scale(1.1)}
.pronounce-btn:active{transform:scale(0.9)}
.pronounce-btn.playing{animation:pronouncePulse 0.3s ease}
@keyframes pronouncePulse{0%,100%{transform:scale(1)}50%{transform:scale(1.2)}}

.hint-line{text-align:center;font-size:12px;color:var(--ink-muted);margin-bottom:8px;letter-spacing:0.5px}
.sentence-display{
  text-align:center;margin-bottom:14px;padding:8px 14px;border-radius:10px;
  font-size:18px;color:var(--ink-light);font-style:italic;
  background:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.1);
  line-height:1.5;display:none;letter-spacing:0.3px;
  transition:all 0.3s;
}
.sentence-display .sentence-word{color:#f9d71c;font-weight:700;font-style:normal}

.answer-hint{
  text-align:center;margin-top:12px;padding:8px 16px;border-radius:10px;
  font-size:13px;font-weight:700;display:none;
  background:#fff9e6;border:2px solid var(--earth-light);color:var(--ink);
  animation:fadeIn 0.3s ease;
}
.answer-hint .correct-word{color:var(--hp-green);font-weight:900}

/* ===== OPTIONS GRID ===== */
.options-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:10px;
}
.option-btn{
  padding:16px 12px;border-radius:14px;border:2px solid var(--card-border);
  background:var(--cream);color:var(--ink);font-size:16px;font-weight:700;
  cursor:pointer;transition:all 0.3s;text-align:center;
  font-family:'Noto Sans SC',sans-serif;
  box-shadow:0 2px 8px rgba(74,63,53,0.06);
  position:relative;overflow:hidden;
}
.option-btn:hover:not(.correct):not(.wrong):not(.disabled){
  border-color:var(--earth);background:#fff;transform:translateY(-2px);
  box-shadow:0 4px 14px rgba(74,63,53,0.1);
}
.option-btn:active:not(.disabled){transform:scale(0.96)}
.option-btn.correct{
  border-color:var(--hp-green)!important;
  background:linear-gradient(135deg,#e8f5e9,#dcedc8)!important;
  color:#2e7d32!important;animation:correctPop 0.5s ease;
}
.option-btn.wrong{
  border-color:var(--hp-red)!important;
  background:linear-gradient(135deg,#fef0ee,#fde0dc)!important;
  color:var(--hp-red-dark)!important;animation:wrongShake 0.5s ease;
}
.option-btn.disabled{pointer-events:none}
@keyframes correctPop{0%{transform:scale(1)}40%{transform:scale(1.08)}100%{transform:scale(1)}}
@keyframes wrongShake{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}

/* ===== BOTTOM TIP ===== */
.bottom-tip{
  text-align:center;margin-top:16px;font-size:12px;color:var(--ink-muted);
  display:flex;align-items:center;justify-content:center;gap:6px;
}

/* ===== RESULT OVERLAY ===== */
.result-overlay{
  position:fixed;top:0;left:0;width:100%;height:100%;
  background:rgba(74,63,53,0.5);display:flex;align-items:center;justify-content:center;
  z-index:100;animation:fadeIn 0.4s ease;backdrop-filter:blur(6px);
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.result-card{
  background:var(--cream);border:3px solid var(--earth-light);border-radius:24px;
  padding:32px 28px;text-align:center;max-width:380px;width:90%;
  box-shadow:0 20px 60px rgba(0,0,0,0.15);animation:slideUp 0.5s ease;
}
@keyframes slideUp{from{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}
.result-card .result-emoji{font-size:64px;display:block;margin-bottom:8px}
.result-card h2{font-family:'Noto Serif SC',serif;font-size:24px;font-weight:900;color:var(--ink);margin:8px 0}
.result-card .result-summary{font-size:14px;color:var(--ink-light);margin:4px 0;line-height:1.8}
.result-card .result-summary strong{color:var(--gold)}
.result-card .result-stars{font-size:36px;margin:10px 0;letter-spacing:4px}
.result-card .btn{margin-top:16px;padding:12px 28px;border-radius:20px;border:none;font-size:14px;font-weight:700;cursor:pointer;transition:all 0.3s;background:linear-gradient(135deg,var(--earth),var(--earth-light));color:var(--ink);border:2px solid var(--earth);box-shadow:0 4px 12px rgba(160,120,70,0.2)}
.result-card .btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(160,120,70,0.3)}
.result-card .btn:active{transform:scale(0.94)}

/* ===== START SCREEN ===== */
.start-overlay{
  position:fixed;top:0;left:0;width:100%;height:100%;
  background:rgba(74,63,53,0.45);display:flex;align-items:center;justify-content:center;
  z-index:100;animation:fadeIn 0.4s ease;backdrop-filter:blur(4px);
}
.start-card{
  background:var(--cream);border:3px solid var(--earth-light);border-radius:24px;
  padding:32px 28px;text-align:center;max-width:380px;width:90%;
  box-shadow:0 20px 60px rgba(0,0,0,0.15);animation:slideUp 0.5s ease;
}
.start-card .start-emoji{font-size:72px;display:block;margin-bottom:8px;animation:mascotFloat 2s ease-in-out infinite}
@keyframes mascotFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.start-card h2{font-family:'Noto Serif SC',serif;font-size:26px;font-weight:900;color:var(--ink);margin:8px 0}
.start-card .start-desc{font-size:13px;color:var(--ink-light);margin:8px 0 16px;line-height:1.6}
.start-option-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:8px;flex-wrap:wrap}
.start-option-label{font-size:12px;font-weight:700;color:var(--ink-muted);letter-spacing:1px;min-width:50px;text-align:left}
.start-option-hint{font-size:10px;color:var(--ink-muted);margin-left:4px}
.start-card .level-select{display:flex;gap:6px;flex-wrap:wrap}
.start-card .level-btn{
  padding:7px 13px;border-radius:18px;border:2px solid var(--earth-light);
  background:var(--paper);color:var(--ink);font-size:12px;font-weight:700;
  cursor:pointer;transition:all 0.3s;
}
.start-card .level-btn:hover{border-color:var(--earth)}
.start-card .level-btn.active{background:var(--earth);color:#fff;border-color:var(--earth)}
.start-card .start-btn{
  padding:14px 40px;border-radius:24px;border:none;font-size:16px;font-weight:900;
  cursor:pointer;transition:all 0.3s;letter-spacing:1px;margin-top:12px;
  background:linear-gradient(135deg,var(--hp-green),#8bc34a);
  color:#fff;box-shadow:0 6px 20px rgba(107,158,74,0.35);
  border:2px solid #689f38;
}
.start-card .start-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(107,158,74,0.4)}
.start-card .start-btn:active{transform:scale(0.94)}

/* ===== TOGGLE SWITCH ===== */
.toggle-switch{position:relative;display:inline-block;width:44px;height:24px;flex-shrink:0}
.toggle-switch input{opacity:0;width:0;height:0}
.toggle-slider{
  position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;
  background:#d4c8b8;border-radius:24px;transition:all 0.3s;
}
.toggle-slider::before{
  content:'';position:absolute;height:20px;width:20px;left:2px;bottom:2px;
  background:#fff;border-radius:50%;transition:all 0.3s;box-shadow:0 1px 3px rgba(0,0,0,0.15);
}
.toggle-switch input:checked + .toggle-slider{background:var(--hp-green)}
.toggle-switch input:checked + .toggle-slider::before{transform:translateX(20px)}

/* ===== RESPONSIVE ===== */
@media(max-width:400px){
  .fighter-sprite{font-size:44px}
  .word-text{font-size:26px}
  .option-btn{font-size:14px;padding:12px 8px}
  .battle-card{padding:14px 12px 18px}
  .vs-icon{font-size:24px}
}