/* ===== Kanye English Quest — Styles ===== */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI','Microsoft YaHei',sans-serif;background:linear-gradient(135deg,#1a0a0a,#2d1a0a,#1a0a2e);min-height:100vh;display:flex;transition:background 1s}

/* Album background themes */
body.bg-0{background:linear-gradient(135deg,#3a2010,#5a3a18,#3a2010)}
body.bg-1{background:linear-gradient(135deg,#1a0e06,#0e0804,#1a0e06)}
body.bg-2{background:linear-gradient(135deg,#2a1030,#4a1850,#2a1030)}
body.bg-3{background:linear-gradient(135deg,#0a0e14,#060a10,#0a0e14)}
body.bg-4{background:linear-gradient(135deg,#2a0a0a,#3a1010,#2a0a0a)}
body.bg-5{background:linear-gradient(135deg,#0e0808,#0a0606,#0e0808)}
body.bg-6{background:linear-gradient(135deg,#0a1a10,#0a2a18,#0a1a10)}
body.bg-7{background:linear-gradient(135deg,#0a0a1a,#060818,#0a0a1a)}

/* Sidebar */
#sidebar{width:200px;min-height:100vh;background:rgba(0,0,0,0.7);backdrop-filter:blur(20px);border-right:1px solid rgba(255,215,0,0.15);padding:16px 10px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;position:fixed;left:0;top:0;z-index:10;font-size:11px}
.side-title{font-size:13px;font-weight:900;color:#ffd700;text-align:center;letter-spacing:1px;margin-bottom:6px}
.album-card{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:8px;cursor:pointer;transition:all .2s;border:1px solid transparent}
.album-card:hover{border-color:rgba(255,215,0,0.3);background:rgba(255,215,0,0.08)}
.album-card.on{border-color:#ffd700;background:rgba(255,215,0,0.12)}
.album-cover{width:36px;height:36px;border-radius:4px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:18px;background:rgba(255,255,255,0.1);overflow:hidden}
.album-cover img{width:100%;height:100%;object-fit:cover}
.album-info .an{font-size:11px;font-weight:bold;color:#fff}
.album-info .ay{font-size:9px;color:#ff6d9d}
.now-playing{font-size:10px;color:#ffd700;text-align:center;margin-top:auto;min-height:14px}

/* Stars */
.stars{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}
.star{position:absolute;border-radius:50%;background:#ffd700;animation:s var(--d) infinite;animation-delay:var(--dl);opacity:0}
@keyframes s{0%,100%{opacity:0}50%{opacity:1}}

/* Main area */
#main-wrap{flex:1;display:flex;justify-content:center;align-items:center;margin-left:200px;min-height:100vh;padding:10px}
#app{width:660px;min-height:480px;background:rgba(0,0,0,0.5);backdrop-filter:blur(20px);border-radius:20px;border:1px solid rgba(255,215,0,0.2);padding:24px;color:#fff;box-shadow:0 20px 60px rgba(0,0,0,0.6);transition:opacity .12s ease}

/* Kanye avatar */
.ye{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.ye-av{width:64px;height:64px;border-radius:50%;overflow:hidden;border:2px solid #ffd700;box-shadow:0 0 16px rgba(255,215,0,0.3);animation:fl 3s infinite;flex-shrink:0}
.ye-av img{width:100%;height:100%;object-fit:cover}
@keyframes fl{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.ye-tag{background:#ffd700;color:#000;padding:2px 10px;border-radius:12px;font-size:11px;font-weight:900}
.ye-dlg{background:rgba(255,215,0,0.08);border-radius:10px;padding:8px 14px;border-left:3px solid #ffd700;font-size:13px;line-height:1.4;font-style:italic}

/* Stats */
.stats{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:8px 0;font-size:12px}
.st{background:rgba(255,255,255,0.04);border-radius:6px;padding:4px 8px}
.bar{width:50px;height:4px;border-radius:2px;background:rgba(255,255,255,0.08);display:inline-block;margin-left:3px;overflow:hidden}
.bar div{height:100%;border-radius:2px;transition:width .3s}
.hp div{background:#ff4444}.xp div{background:#ffd700}.mp div{background:#daa520}
.acc{font-size:11px;color:#aaa;text-align:center;margin:3px 0}
.diff-ind{text-align:center;margin:4px 0;font-size:11px;color:#ffd700}

/* Monster */
.mon{text-align:center;margin:4px 0}
.mon .emoji{font-size:44px;animation:bo 1s infinite}
@keyframes bo{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.mon .name{font-size:14px;font-weight:bold}
.mon .hpbar{width:180px;height:5px;background:rgba(255,255,255,0.08);border-radius:3px;display:inline-block;overflow:hidden}
.mon .hpbar div{height:100%;background:linear-gradient(90deg,#ff4444,#ff6b6b);border-radius:3px;transition:width .3s}

/* Question */
.qbox{background:rgba(255,215,0,0.03);border-radius:10px;padding:14px;margin:6px 0;border:1px solid rgba(255,215,0,0.1)}
.qtype{font-size:10px;color:#ffd700;letter-spacing:1px;margin-bottom:3px}
.qtext{font-size:16px;font-weight:bold;margin-bottom:3px}
.word-tip{cursor:help;border-bottom:1px dotted rgba(255,215,0,0.4);position:relative}
.word-tip:hover{color:#ffd700}
.word-tip::after{content:attr(data-cn);position:absolute;bottom:calc(100% + 6px);left:50%;transform:translateX(-50%);background:#1a1a2e;color:#ffd700;padding:3px 8px;border-radius:4px;font-size:11px;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .2s;border:1px solid rgba(255,215,0,0.3);z-index:10}
.word-tip:hover::after{opacity:1}

/* Options */
.opts{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:8px}
.obtn{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.1);border-radius:8px;padding:8px 12px;color:#ddd;font-size:13px;cursor:pointer;transition:all .2s;text-align:left}
.obtn:hover{background:rgba(255,215,0,0.12);border-color:rgba(255,215,0,0.3);transform:translateY(-1px)}
.obtn.ok{background:rgba(76,217,100,0.2);border-color:#4cd964}
.obtn.ng{background:rgba(255,68,68,0.2);border-color:#ff4444}
.obtn:disabled{pointer-events:none;opacity:.7}

/* Buttons */
.btn{display:block;width:100%;padding:10px 16px;margin:3px 0;border-radius:8px;border:1px solid rgba(255,215,0,0.2);background:rgba(255,255,255,0.04);color:#eee;font-size:14px;cursor:pointer;transition:all .2s;text-align:center}
.btn:hover{background:rgba(255,215,0,0.1);border-color:rgba(255,215,0,0.4)}
.btn.gold{background:rgba(255,215,0,0.15);border-color:rgba(255,215,0,0.4);font-weight:bold}
.btn.gold:hover{background:rgba(255,215,0,0.25)}

/* Skills */
.skills{display:flex;gap:4px;flex-wrap:wrap;justify-content:center;margin:4px 0}
.sk{font-size:10px;padding:3px 8px;border-radius:10px;background:rgba(255,215,0,0.1);border:1px solid rgba(255,215,0,0.2);cursor:pointer}
.sk:hover{background:rgba(255,215,0,0.2)}
.sk.off{opacity:.3;pointer-events:none}

/* Word library chips */
.wl-chip{display:inline-block;margin:2px;padding:5px 10px;background:rgba(255,215,0,0.06);border:1px solid rgba(255,215,0,0.1);border-radius:8px;font-size:13px;color:#ddd;cursor:default;transition:all .15s}
.wl-chip:hover{background:rgba(255,215,0,0.12);border-color:rgba(255,215,0,0.25)}

/* Quote */
.quote{text-align:center;margin:10px 0;padding:10px 14px;background:rgba(255,215,0,0.06);border-radius:8px;font-size:13px;color:#ffd700;animation:fadeIn .5s;display:flex;flex-direction:column;align-items:center;gap:3px;overflow-wrap:break-word;word-break:break-word}
.quote .cn{font-size:11px;color:#aaa;font-style:normal}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1}}

/* Hint / Translation */
.hint-btn{cursor:pointer;font-size:10px;color:#888;display:inline-block;user-select:none;margin:2px 0}
.hint-btn:hover{color:#ffd700}
.hint-txt{display:none;color:#ffd700;font-size:12px;margin-bottom:4px;padding:4px 8px;background:rgba(255,215,0,0.08);border-radius:4px}

/* Spelling input */
.spell-input{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(255,215,0,0.3);background:rgba(0,0,0,0.3);color:#ffd700;font-size:18px;text-align:center;letter-spacing:2px;outline:none;margin-top:8px}
.spell-input:focus{border-color:#ffd700;box-shadow:0 0 10px rgba(255,215,0,0.2)}

/* Sentence building */
.sentence-words{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:8px 0}
.sentence-word{padding:6px 12px;background:rgba(255,215,0,0.1);border:1px solid rgba(255,215,0,0.3);border-radius:14px;cursor:pointer;font-size:13px;color:#ffd700;transition:all .2s}
.sentence-word:hover{background:rgba(255,215,0,0.2)}
.sentence-word.used{opacity:.2;pointer-events:none}
.sentence-built{min-height:36px;padding:6px;background:rgba(0,0,0,0.2);border-radius:8px;margin:6px 0;display:flex;flex-wrap:wrap;gap:4px;align-items:center}
.sentence-built .placed{padding:5px 10px;background:rgba(255,215,0,0.2);border-radius:10px;cursor:pointer;font-size:13px;color:#fff}
.sentence-built .placed:hover{background:rgba(255,68,68,0.3)}

/* Listening */
.listen-btn{padding:12px 24px;border-radius:20px;background:rgba(255,215,0,0.15);border:1px solid #ffd700;color:#ffd700;cursor:pointer;font-size:16px;margin:8px 0}
.listen-btn:hover{background:rgba(255,215,0,0.3)}

/* Stats panel */
.stats-panel{background:rgba(255,255,255,0.04);border-radius:10px;padding:14px;margin:8px 0;font-size:12px;line-height:1.8}
.stats-panel b{color:#ffd700}

/* Learning path */
.path-level{background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.1);border-radius:12px;padding:12px;margin:6px 0}
.path-level.current{border-color:#ffd70044;background:rgba(255,215,0,0.08);border-left:4px solid #ffd700}
.path-level.done{border-color:#4cd96444;background:rgba(76,217,100,0.06)}
.path-level.locked{border-color:#444;background:rgba(255,255,255,0.01);opacity:.6}

/* Battle animations */
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-5px)}80%{transform:translateX(5px)}}
.shake{animation:shake .4s ease-in-out}
@keyframes hitFlash{0%{filter:brightness(2)}100%{filter:brightness(1)}}
.hit-flash{animation:hitFlash .3s ease-out}
@keyframes critPulse{0%{transform:scale(1)}50%{transform:scale(1.3);filter:brightness(1.5)}100%{transform:scale(1);filter:brightness(1)}}
.crit-pulse{animation:critPulse .5s ease-out}
@keyframes floatUp{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(-60px)}}
.dmg-float{position:fixed;font-size:28px;font-weight:bold;pointer-events:none;z-index:100;animation:floatUp 1.2s ease-out forwards}
@keyframes bossGlow{0%,100%{filter:drop-shadow(0 0 8px #ff4444)}50%{filter:drop-shadow(0 0 20px #ffd700)}}
.boss-glow{animation:bossGlow 1.5s infinite}

/* Chat */
#chat-msgs{max-height:380px;overflow-y:auto;margin:10px 0;padding:8px;background:rgba(0,0,0,0.2);border-radius:12px}
.chat-msg-user{text-align:right;margin:6px 0}
.chat-msg-user span{display:inline-block;max-width:80%;background:rgba(255,215,0,0.15);padding:8px 12px;border-radius:12px 12px 0 12px;font-size:14px;text-align:left}
.chat-msg-ai{text-align:left;margin:6px 0}
.chat-msg-ai .ai-bubble{display:inline-block;max-width:80%;background:rgba(255,255,255,0.06);padding:8px 12px;border-radius:12px 12px 12px 0;font-size:14px}
.tts-btn{cursor:pointer;font-size:14px;margin-left:4px}

/* Badges & Achievements */
.badge-row{display:flex;flex-wrap:wrap;gap:4px;justify-content:center;padding:4px 0;margin:4px 0}
.badge{font-size:10px;padding:2px 8px;border-radius:10px;background:rgba(255,215,0,0.1);border:1px solid rgba(255,215,0,0.25);color:#ffd700}
.ach-pop{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:8px 0}
.ach-badge{text-align:center;padding:8px 12px;background:rgba(255,215,0,0.12);border:2px solid #ffd700;border-radius:12px;font-size:12px;color:#fff}
@keyframes fadeInUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* Boss tier indicators */
.boss-tag{font-size:9px;padding:1px 6px;border-radius:8px;background:rgba(255,68,68,0.2);color:#ff6b6b;margin-left:4px}

/* API Key Modal */
#api-key-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.8);z-index:999;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.ak-card{background:#1a1a2e;border:1px solid rgba(255,215,0,0.3);border-radius:16px;padding:24px;max-width:400px;width:90%;box-shadow:0 20px 60px rgba(0,0,0,0.8),0 0 40px rgba(255,215,0,0.1)}
.ak-title{font-size:20px;font-weight:900;color:#ffd700;margin-bottom:12px;text-align:center}
.ak-desc{font-size:13px;color:#aaa;line-height:1.6;margin-bottom:16px;text-align:center}
.ak-input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,215,0,0.3);background:rgba(0,0,0,0.4);color:#ffd700;font-size:15px;text-align:center;outline:none;margin-bottom:16px}
.ak-input:focus{border-color:#ffd700;box-shadow:0 0 12px rgba(255,215,0,0.2)}
.ak-btns{display:flex;gap:8px}
.ak-save,.ak-skip{flex:1;padding:12px;border-radius:10px;border:none;font-size:14px;font-weight:bold;cursor:pointer;transition:all .2s}
.ak-save{background:rgba(255,215,0,0.15);color:#ffd700;border:1px solid rgba(255,215,0,0.4)}
.ak-save:hover{background:rgba(255,215,0,0.25)}
.ak-skip{background:rgba(255,255,255,0.04);color:#888;border:1px solid rgba(255,255,255,0.1)}
.ak-skip:hover{background:rgba(255,255,255,0.08);color:#aaa}

/* Mobile */
@media(max-width:768px){
  body{flex-direction:column;overflow-x:hidden}
  #sidebar{width:100%;min-height:auto;position:sticky;top:0;flex-direction:column;padding:6px 8px;gap:2px;z-index:20;background:rgba(0,0,0,0.9);-webkit-overflow-scrolling:touch;touch-action:manipulation}
  #sidebar .side-title{display:none}
  #sidebar #album-list{display:flex;flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:4px;-webkit-overflow-scrolling:touch}
  #sidebar .album-card{flex-shrink:0;padding:6px 8px;gap:4px;min-height:44px;align-items:center}
  #sidebar .album-cover{width:30px;height:30px}
  #sidebar .album-info .an{font-size:10px}
  #sidebar .album-info .ay{display:none}
  #sidebar .now-playing{display:none}
  #main-wrap{flex:none;width:100%;margin-left:0;padding:4px;min-height:auto}
  #app{width:100%;padding:14px 10px;border-radius:12px}
  .opts{grid-template-columns:1fr}
  /* Touch-friendly buttons */
  .btn,.obtn{min-height:44px;display:flex;align-items:center;justify-content:center;font-size:15px;white-space:normal;word-break:break-word}
  .obtn{text-align:center}
  .btn.gold{font-size:15px;padding:10px 12px}
  .sk{padding:6px 12px;min-height:44px;font-size:11px}
  .listen-btn{min-height:44px;padding:12px 28px;font-size:17px}
  /* Chat font — prevent iOS auto-zoom on input focus */
  #chat-msgs{max-height:280px}
  .chat-msg-user span,.chat-msg-ai .ai-bubble{font-size:13px}
  /* Monster HP bar */
  .mon .hpbar{width:auto;max-width:160px}
  .mon .emoji{font-size:34px}
  /* Kanye avatar */
  .ye-av{width:48px;height:48px}
  .ye-dlg{font-size:12px}
  .ye-tag{font-size:10px}
  /* Stats */
  .stats{font-size:11px;gap:4px}
  .st{padding:3px 6px}
  /* Question */
  .qtext{font-size:17px}
  .spell-input{font-size:17px;padding:12px 8px}
  .sentence-word{padding:8px 14px;min-height:40px;display:flex;align-items:center;font-size:14px}
  .sentence-built{min-height:40px}
  .sentence-built .placed{padding:8px 12px;font-size:14px;min-height:36px;display:flex;align-items:center}
  .word-tip::after{font-size:10px;max-width:85vw;white-space:normal;word-break:break-word}
  /* Touch targets for inline buttons */
  .tts-btn{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;font-size:16px}
  .hint-btn{min-height:44px;display:inline-flex;align-items:center;padding:6px 12px;font-size:12px}
  /* Floating damage — keep inside viewport */
  .dmg-float{font-size:22px;max-width:80vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  /* Path cards */
  .path-level{padding:10px}
  .path-level b{font-size:13px}
  /* Badge row */
  .badge-row{gap:3px}
  .badge{font-size:9px;padding:2px 6px}
  .ach-badge{font-size:11px;padding:6px 10px}
  /* Word library */
  .wl-chip{font-size:12px;padding:4px 8px}
  .path-level[data-cat]{min-height:auto;padding:10px 12px}
  /* Chart */
  .stats-panel{font-size:11px;line-height:1.6}
}
/* Small phones */
@media(max-width:480px){
  #sidebar .album-card{padding:4px 6px}
  #sidebar .album-cover{width:24px;height:24px}
  #app{padding:10px 6px;border-radius:10px}
  .btn,.obtn{font-size:14px;padding:10px 8px}
  .btn.gold{font-size:15px}
  .qtext{font-size:16px}
  .mon .emoji{font-size:30px}
  .ye-av{width:40px;height:40px}
  .stats{font-size:10px}
  .st{padding:2px 4px}
  .quote{font-size:11px;padding:8px 10px}
  .quote .cn{font-size:10px}
  .opts{gap:4px}
  .sentence-words{gap:4px}
}