:root{
  --bg:#0B1120;--bg2:#111827;--card:rgba(17,24,39,.92);--card-shadow:0 2px 12px rgba(0,0,0,.4);
  --primary:#3B82F6;--primary-light:rgba(59,130,246,.12);--primary-glow:0 0 24px rgba(59,130,246,.35);
  --secondary:#FFD700;--secondary-light:rgba(255,215,0,.12);
  --accent-fire:#E8453C;--accent-water:#3B8FE8;--accent-thunder:#A855F7;
  --accent-wind:#5BC97D;--accent-rock:#C2956B;--accent-ice:#7DD3FC;--accent-light:#FFE873;
  --red:#EF4444;--red-light:rgba(239,68,68,.12);--success:#4ADE80;--success-light:rgba(74,222,128,.12);
  --text:#E8ECF4;--text2:#8B95A8;--text3:#4B5563;--border:rgba(255,255,255,.08);
  --radius:16px;--radius-sm:12px;--radius-lg:24px;
  --nav-h:68px;--status-h:env(safe-area-inset-top,0px);
  --font:-apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  --font-num:'DIN Alternate','Bebas Neue','SF Mono','Roboto Mono',monospace;
  --glass-bg:rgba(11,17,32,.78);--glass-border:rgba(255,255,255,.06);--glass-blur:blur(20px);
  --card-gradient:linear-gradient(135deg,rgba(17,24,39,.95) 0%,rgba(30,41,59,.9) 100%);
  --shadow-sm:0 1px 3px rgba(0,0,0,.3);--shadow-md:0 4px 16px rgba(0,0,0,.4);--shadow-lg:0 8px 32px rgba(0,0,0,.5);
  --element-fire:#E8453C;--element-water:#3B8FE8;--element-thunder:#A855F7;
  --element-wind:#5BC97D;--element-rock:#C2956B;--element-ice:#7DD3FC;--element-light-el:#FFD700;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{width:100%;height:100%;overflow:hidden;font-family:var(--font);background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}
#app{width:100%;height:100%;display:flex;flex-direction:column;position:relative}
.screen{display:none;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;padding:16px 16px 80px;position:absolute;top:0;left:0;right:0;bottom:0}
.screen.active{display:block}
.screen::-webkit-scrollbar{display:none}
.status-spacer{height:var(--status-h);flex-shrink:0}

/* ===== BOTTOM NAV (原神风) ===== */
#bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-h);background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);display:flex;z-index:100;padding-bottom:env(safe-area-inset-bottom,0px);border-top:1px solid var(--glass-border)}
.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;cursor:pointer;transition:all .25s;color:var(--text3);position:relative;padding:6px 0}
.nav-item .nav-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center}
.nav-item .nav-icon svg{width:22px;height:22px;stroke:var(--text3);fill:none;transition:all .25s}
.nav-item .nav-label{font-size:10px;font-weight:500;transition:all .25s}
.nav-item.active{color:var(--secondary)}
.nav-item.active .nav-icon svg{stroke:var(--secondary);filter:drop-shadow(0 0 6px rgba(255,215,0,.5))}
.nav-item.active .nav-label{font-weight:700;color:var(--secondary)}

/* ===== COMMON COMPONENTS ===== */
.card{background:var(--card-gradient);border-radius:14px;box-shadow:var(--shadow-md);padding:16px;margin-bottom:12px;border:1px solid var(--border);transition:transform .15s cubic-bezier(.4,0,.2,1),box-shadow .15s cubic-bezier(.4,0,.2,1)}
.card:active{transform:scale(.985);box-shadow:var(--shadow-sm)}
.section-title{font-size:17px;font-weight:700;color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:8px;letter-spacing:.3px}
.section-title .more{margin-left:auto;font-size:13px;font-weight:400;color:var(--text2)}

/* Buttons (原神风) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:14px 32px;border-radius:24px;font-size:16px;font-weight:700;border:none;cursor:pointer;transition:all .15s;font-family:var(--font);letter-spacing:.5px}
.btn:active{transform:scale(.96);opacity:.85}
.btn-primary{background:linear-gradient(135deg,var(--primary),#2563EB);color:#fff;box-shadow:var(--primary-glow)}
.btn-gold{background:linear-gradient(135deg,var(--secondary),#F59E0B);color:#1a1a2e;box-shadow:0 0 24px rgba(255,215,0,.35)}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-block{width:100%;padding:16px}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:16px}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--text2);border:1px solid var(--border)}

/* Tags */
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600;border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--text2);margin:2px}
.tag-fire{border-color:var(--element-fire);color:var(--element-fire);background:rgba(232,69,60,.1)}
.tag-water{border-color:var(--element-water);color:var(--element-water);background:rgba(59,143,232,.1)}
.tag-thunder{border-color:var(--element-thunder);color:var(--element-thunder);background:rgba(168,85,247,.1)}
.tag-wind{border-color:var(--element-wind);color:var(--element-wind);background:rgba(91,201,125,.1)}
.tag-rock{border-color:var(--element-rock);color:var(--element-rock);background:rgba(194,149,107,.1)}
.tag-ice{border-color:var(--element-ice);color:var(--element-ice);background:rgba(125,211,252,.1)}
.tag-light{border-color:var(--element-light-el);color:var(--element-light-el);background:rgba(255,215,0,.1)}
.tag-N{border-color:#8B95A8;color:#8B95A8;background:rgba(139,149,168,.1)}
.tag-R{border-color:var(--element-thunder);color:var(--element-thunder);background:rgba(168,85,247,.1)}
.tag-SR{border-color:var(--secondary);color:var(--secondary);background:rgba(255,215,0,.1)}

/* Progress bar */
.progress-bar{height:6px;background:rgba(255,255,255,.08);border-radius:3px;overflow:hidden}
.progress-bar .fill{height:100%;border-radius:3px;transition:width .5s ease}
.stars{color:var(--secondary);letter-spacing:2px;font-size:16px}
.icon-box{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}

/* ===== HOME (原神风Dashboard) ===== */
.home-hero{position:relative;border-radius:20px;overflow:hidden;margin-bottom:20px;min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;background:linear-gradient(135deg,#0B1120 0%,#1E3A5F 40%,#2D1B69 70%,#0B1120 100%);padding:0 20px 28px}
.home-hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 20%,rgba(59,130,246,.15) 0%,transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(168,85,247,.12) 0%,transparent 50%),linear-gradient(180deg,rgba(11,17,32,0) 40%,rgba(11,17,32,.9) 100%);z-index:1}
.home-hero-stars{position:absolute;top:0;left:0;right:0;bottom:0;z-index:0;overflow:hidden}
.home-hero-stars span{position:absolute;width:2px;height:2px;background:#fff;border-radius:50%;animation:twinkle 3s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.2}50%{opacity:1}}
.home-hero-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;width:100%}
.home-hero .greeting{font-size:28px;font-weight:900;color:var(--secondary);margin-bottom:2px;letter-spacing:2px;text-shadow:0 0 20px rgba(255,215,0,.3)}
.home-hero .sub-greeting{font-size:13px;color:var(--text2);margin-bottom:16px;letter-spacing:.5px}
.home-hero .hero-btn{background:linear-gradient(135deg,var(--secondary),#F59E0B);color:#1a1a2e;border:none;padding:16px 52px;border-radius:28px;font-size:18px;font-weight:800;cursor:pointer;box-shadow:0 0 30px rgba(255,215,0,.4);display:flex;align-items:center;gap:10px;font-family:var(--font);position:relative;z-index:1;transition:transform .15s,box-shadow .15s;letter-spacing:1px}
.home-hero .hero-btn:active{transform:scale(.96);box-shadow:0 0 12px rgba(255,215,0,.2)}
.home-hero .hero-btn svg{width:20px;height:20px;stroke:#1a1a2e;fill:none}

/* Element realm cards on home */
.home-realms{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}
.realm-entry{display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;background:var(--card-gradient);border-radius:16px;padding:14px 10px;box-shadow:var(--shadow-md);transition:all .2s;border:1px solid var(--border);position:relative;overflow:hidden}
.realm-entry::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:3px 3px 0 0}
.realm-entry.fire::before{background:var(--element-fire)}.realm-entry.water::before{background:var(--element-water)}
.realm-entry.thunder::before{background:var(--element-thunder)}.realm-entry.wind::before{background:var(--element-wind)}
.realm-entry.rock::before{background:var(--element-rock)}.realm-entry.ice::before{background:var(--element-ice)}
.realm-entry.light::before{background:var(--element-light-el)}
.realm-entry:active{transform:scale(.97)}
.realm-entry .realm-icon{font-size:28px}
.realm-entry .realm-name{font-size:13px;font-weight:700;text-align:center}
.realm-entry .realm-sub{font-size:10px;color:var(--text2)}
.realm-entry.locked{opacity:.45}
.realm-entry.locked .realm-icon{filter:grayscale(1)}

/* Home stats */
.home-stats{display:flex;gap:0;margin-bottom:16px;background:var(--card-gradient);border-radius:14px;box-shadow:var(--shadow-md);overflow:hidden;border:1px solid var(--border)}
.home-stats .stat{flex:1;text-align:center;padding:14px 4px;border-right:1px solid var(--border)}
.home-stats .stat:last-child{border-right:none}
.home-stats .stat-icon{font-size:16px;margin-bottom:2px}
.home-stats .stat-val{font-size:22px;font-weight:800;font-family:var(--font-num);color:var(--secondary)}
.home-stats .stat-label{font-size:10px;color:var(--text2);margin-top:2px}

/* AI Companion row on home */
.companion-list{display:flex;gap:12px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
.companion-list::-webkit-scrollbar{display:none}
.companion-card{flex-shrink:0;width:140px;cursor:pointer;background:var(--card-gradient);border-radius:16px;box-shadow:var(--shadow-md);overflow:hidden;transition:transform .2s;border:1px solid var(--border)}
.companion-card:active{transform:scale(.97)}
.companion-card .avatar{width:140px;height:110px;display:flex;align-items:center;justify-content:center;font-size:48px;position:relative;overflow:hidden}
.companion-card .comp-info{padding:10px 12px 12px}
.companion-card .comp-name{font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:4px}
.companion-card .comp-desc{font-size:11px;color:var(--text2);margin-top:2px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.companion-card .comp-level{font-size:10px;color:var(--primary);font-weight:600;margin-top:3px}

/* ===== REALM MAP (路径页) ===== */
.realm-map{position:relative;padding:8px 0}
.realm-node{display:flex;gap:14px;align-items:flex-start;margin-bottom:4px;position:relative}
.realm-line{position:absolute;left:27px;top:62px;bottom:-4px;width:3px;z-index:0}
.realm-line.done{background:var(--secondary)}
.realm-line:not(.done){background:var(--border)}
.realm-dot{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;z-index:1;border:3px solid var(--border);background:var(--card);transition:all .3s}
.realm-dot.fire{border-color:var(--element-fire);background:rgba(232,69,60,.12)}
.realm-dot.water{border-color:var(--element-water);background:rgba(59,143,232,.12)}
.realm-dot.thunder{border-color:var(--element-thunder);background:rgba(168,85,247,.12)}
.realm-dot.wind{border-color:var(--element-wind);background:rgba(91,201,125,.12)}
.realm-dot.rock{border-color:var(--element-rock);background:rgba(194,149,107,.12)}
.realm-dot.ice{border-color:var(--element-ice);background:rgba(125,211,252,.12)}
.realm-dot.light{border-color:var(--element-light-el);background:rgba(255,215,0,.12)}
.realm-dot.current{box-shadow:0 0 0 5px rgba(255,215,0,.25);animation:realmPulse 2s infinite}
.realm-dot.locked{opacity:.4;border-color:var(--text3)}
@keyframes realmPulse{0%,100%{box-shadow:0 0 0 5px rgba(255,215,0,.25)}50%{box-shadow:0 0 0 10px rgba(255,215,0,.1)}}
.realm-info{flex:1;background:var(--card-gradient);border-radius:14px;padding:14px;box-shadow:var(--shadow-md);margin-bottom:12px;border:1px solid var(--border)}
.realm-info .ri-name{font-size:16px;font-weight:700;display:flex;align-items:center;gap:6px}
.realm-info .ri-element{font-size:12px;padding:2px 8px;border-radius:10px;font-weight:600}
.realm-info .ri-desc{font-size:12px;color:var(--text2);margin-top:4px}
.realm-info .ri-quests{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.realm-info .ri-q{padding:4px 10px;border-radius:8px;font-size:11px;font-weight:600;background:rgba(255,255,255,.04);border:1px solid var(--border)}
.realm-info .ri-q.done{border-color:var(--success);color:var(--success);background:var(--success-light)}

/* Realm detail quest grid */
.quest-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quest-card{padding:16px;text-align:center;cursor:pointer;transition:transform .15s;background:var(--card-gradient);border:1px solid var(--border);border-radius:14px}
.quest-card:active{transform:scale(.96)}
.quest-card .q-icon{font-size:36px;margin-bottom:8px}
.quest-card .q-name{font-size:14px;font-weight:700}
.quest-card .q-desc{font-size:11px;color:var(--text2);margin-top:2px}
.quest-card .q-stars{margin-top:6px}
.quest-card .q-done{margin-top:4px;font-size:11px;color:var(--success);font-weight:600}

/* ===== QUIZ ===== */
#quiz-screen{padding:0 16px calc(var(--nav-h)+16px)}
.quiz-header{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.quiz-header .q-type{font-size:13px;font-weight:600;color:var(--text2)}
.quiz-header .q-progress{font-size:13px;color:var(--text2);font-family:var(--font-num)}
.quiz-prompt{font-size:20px;font-weight:700;text-align:center;margin:24px 0 8px;line-height:1.4}
.quiz-prompt-sub{font-size:14px;color:var(--text2);text-align:center;margin-bottom:24px}
.quiz-word{font-size:40px;font-weight:800;text-align:center;margin:16px 0;color:var(--primary);letter-spacing:1px}
.quiz-emoji{font-size:56px;text-align:center;margin:12px 0}
.quiz-options{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.quiz-option{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:16px 20px;font-size:16px;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:10px}
.quiz-option:active{transform:scale(.98)}
.quiz-option .opt-letter{width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--text2);flex-shrink:0}
.quiz-option.correct{border-color:var(--success);background:var(--success-light)}
.quiz-option.correct .opt-letter{background:var(--success);color:#fff}
.quiz-option.wrong{border-color:var(--red);background:var(--red-light)}
.quiz-option.wrong .opt-letter{background:var(--red);color:#fff}
.quiz-speak-btn{width:120px;height:120px;border-radius:50%;background:var(--primary);border:none;color:#fff;font-size:48px;cursor:pointer;display:flex;align-items:center;justify-content:center;margin:24px auto;box-shadow:var(--primary-glow);transition:transform .15s}
.quiz-speak-btn:active{transform:scale(.94)}
.quiz-speak-btn.listening{background:var(--red);animation:pulse 1s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
.quiz-input-area{margin-top:16px}
.spell-slots{display:flex;gap:16px;justify-content:center;margin-top:16px;flex-wrap:wrap;align-items:flex-start}
.spell-word{display:flex;gap:6px}
.spell-slot{width:44px;height:52px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;border-radius:10px;transition:all .2s}
.spell-slot.given{background:var(--primary);color:#fff}
.spell-slot.blank{border:2px dashed var(--primary);background:var(--primary-light);color:var(--primary)}
.spell-space{width:16px;height:52px}
.spell-slot.blank.filled{background:var(--primary);color:#fff;border-style:solid}
.spell-letters{display:flex;gap:8px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.spell-letter{width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;border-radius:50%;background:var(--primary-light);color:var(--primary);cursor:pointer;transition:all .15s;user-select:none}
.spell-letter:active{transform:scale(.9);opacity:.6}
.spell-letter.used{opacity:.25;pointer-events:none}
.spell-actions{display:flex;gap:10px;margin-top:12px;justify-content:center}
.fill-options{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.fill-option{padding:14px 16px;border-radius:12px;background:var(--card);border:2px solid var(--border);text-align:left;font-size:16px;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:10px}
.fill-option:active{transform:scale(.97)}
.fill-option.correct{border-color:var(--success);background:var(--success-light)}
.fill-option.wrong{border-color:var(--red);background:var(--red-light)}
.quiz-sentence{font-size:18px;line-height:1.6;margin:16px 0;text-align:center;color:var(--text)}
.fill-blank{color:var(--primary);font-weight:700;border-bottom:2px dashed var(--primary);padding:0 4px}
.quiz-input{width:100%;padding:14px 16px;border:2px solid var(--border);border-radius:var(--radius);font-size:18px;font-family:var(--font);outline:none;transition:border-color .2s;background:var(--card);color:var(--text)}
.quiz-input:focus{border-color:var(--primary)}
.quiz-input.correct{border-color:var(--success);background:var(--success-light)}
.quiz-input.wrong{border-color:var(--red);background:var(--red-light)}
.quiz-hint{font-size:13px;color:var(--text2);margin-top:8px;text-align:center}
.quiz-feedback{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:200;font-size:64px;animation:popIn .4s ease;pointer-events:none}

/* Result (原神风) */
.result-overlay{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.6);animation:fadeIn .25s}
.result-card{background:linear-gradient(135deg,rgba(17,24,39,.96),rgba(30,41,59,.96));backdrop-filter:blur(20px);border-radius:var(--radius-lg);padding:32px 24px;width:85%;max-width:340px;text-align:center;animation:slideUp .3s ease;box-shadow:0 12px 40px rgba(0,0,0,.5);border:1px solid rgba(255,215,0,.15)}
.result-card .r-emoji{font-size:56px;margin-bottom:12px}
.result-card .r-score{font-size:36px;font-weight:800;color:var(--secondary);font-family:var(--font-num)}
.result-card .r-stars{font-size:28px;margin:12px 0;color:var(--secondary)}
.result-card .r-phrase{font-size:15px;color:var(--text2);margin-bottom:8px}
.result-card .r-combo{font-size:14px;color:var(--accent-fire);font-weight:600;margin-bottom:8px}
.result-card .r-primogems{display:flex;align-items:center;justify-content:center;gap:6px;font-size:18px;font-weight:800;color:var(--secondary);margin:8px 0 16px;font-family:var(--font-num)}

/* ===== GACHA (召唤系统) ===== */
.gacha-overlay{position:fixed;inset:0;z-index:400;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.85);animation:fadeIn .3s}
.gacha-scene{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}
.gacha-light-pillar{position:absolute;width:4px;height:0;background:linear-gradient(180deg,transparent,var(--secondary),transparent);box-shadow:0 0 40px rgba(255,215,0,.5);animation:pillarRise 1s ease-out forwards}
@keyframes pillarRise{0%{height:0;opacity:0}100%{height:80vh;opacity:1}}
.gacha-card-reveal{position:relative;z-index:2;animation:cardReveal 1s ease-out .8s forwards;opacity:0;transform:scale(.5) rotateY(180deg)}
@keyframes cardReveal{0%{opacity:0;transform:scale(.5) rotateY(180deg)}50%{opacity:1;transform:scale(1.1) rotateY(0)}100%{opacity:1;transform:scale(1) rotateY(0)}}
.gacha-card{width:240px;background:var(--card-gradient);border-radius:20px;overflow:hidden;box-shadow:0 0 40px rgba(255,215,0,.3);border:2px solid rgba(255,215,0,.3)}
.gacha-card .gc-element{height:6px;width:100%}
.gacha-card .gc-avatar{height:180px;display:flex;align-items:center;justify-content:center;font-size:80px;background:linear-gradient(135deg,rgba(59,130,246,.08),rgba(168,85,247,.08))}
.gacha-card .gc-info{padding:16px;text-align:center}
.gacha-card .gc-name{font-size:18px;font-weight:700;color:var(--text)}
.gacha-card .gc-rarity{margin-top:6px;font-size:20px;color:var(--secondary)}
.gacha-card .gc-element-tag{margin-top:8px}
.gacha-skip{position:absolute;bottom:60px;z-index:3;color:var(--text2);font-size:14px;cursor:pointer;padding:10px 24px;border-radius:20px;background:rgba(255,255,255,.08);border:1px solid var(--border)}
.gacha-pity{position:absolute;top:16px;right:16px;z-index:3;font-size:11px;color:var(--text2)}

/* ===== CHARACTER DETAIL ===== */
.char-detail{padding:0}
.char-hero{position:relative;height:240px;overflow:hidden;display:flex;align-items:flex-end;padding:20px;border-radius:0 0 24px 24px}
.char-hero .ch-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:blur(4px) brightness(.5);transform:scale(1.1)}
.char-hero .ch-avatar{font-size:80px;position:relative;z-index:1;margin-right:16px}
.char-hero .ch-info{position:relative;z-index:1;flex:1}
.char-hero .ch-name{font-size:22px;font-weight:800;color:#fff}
.char-hero .ch-title{font-size:12px;color:rgba(255,255,255,.7);margin-top:2px}
.char-stats{padding:16px;display:flex;gap:10px}
.char-stat{flex:1;background:var(--card-gradient);border-radius:14px;padding:14px;text-align:center;border:1px solid var(--border)}
.char-stat .cs-val{font-size:22px;font-weight:800;font-family:var(--font-num);color:var(--secondary)}
.char-stat .cs-label{font-size:10px;color:var(--text2);margin-top:2px}
.char-skills{padding:0 16px}
.char-skill{display:flex;align-items:center;gap:12px;padding:14px;background:var(--card-gradient);border-radius:14px;margin-bottom:8px;border:1px solid var(--border)}
.char-skill .cs-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px}
.char-skill .cs-name{font-size:14px;font-weight:700}
.char-skill .cs-desc{font-size:11px;color:var(--text2);margin-top:2px}

/* ===== BOSS BATTLE (原神风) ===== */
.boss-hud{display:flex;justify-content:space-between;align-items:center;padding:12px;background:linear-gradient(135deg,#0D1117,#1A1A2E);border-radius:16px;margin-bottom:12px;color:#fff;border:1px solid rgba(255,215,0,.1)}
.boss-info{display:flex;align-items:center;gap:10px;flex:1}
.boss-avatar{font-size:36px;filter:drop-shadow(0 0 8px rgba(255,100,100,.5));animation:bossPulse 2s infinite}
@keyframes bossPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}
.boss-detail{flex:1}
.boss-name{font-size:14px;font-weight:700;color:#ff6b6b}
.boss-hp-bar{height:8px;background:rgba(255,255,255,.15);border-radius:4px;margin-top:4px;overflow:hidden}
.boss-hp-fill{height:100%;background:linear-gradient(90deg,#ff6b6b,#ee5a24);border-radius:4px;transition:width .5s ease}
.boss-stats{text-align:right}
.boss-lives{font-size:16px}
.boss-timer{font-size:20px;font-weight:800;color:var(--secondary);font-family:var(--font-num)}
.boss-score{font-size:13px;color:var(--element-thunder);font-weight:600}
.boss-combo{font-size:16px;font-weight:700;color:var(--accent-fire);text-align:center;margin-bottom:8px;animation:bossCombo .3s ease}
@keyframes bossCombo{0%{transform:scale(1)}50%{transform:scale(1.3)}100%{transform:scale(1)}}

/* ===== ELEMENT REACTION BANNER ===== */
.reaction-banner{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:250;text-align:center;animation:reactionPop .6s ease forwards;pointer-events:none}
.reaction-banner .rb-name{font-size:28px;font-weight:900;text-shadow:0 0 20px currentColor}
.reaction-banner .rb-bonus{font-size:14px;color:var(--secondary);margin-top:4px}
@keyframes reactionPop{0%{opacity:0;transform:translate(-50%,-50%) scale(.5)}40%{opacity:1;transform:translate(-50%,-50%) scale(1.2)}100%{opacity:0;transform:translate(-50%,-50%) scale(1) translateY(-30px)}}

/* ===== AI CHAT ===== */
#chat-screen{padding:0;display:none;flex-direction:column;background:var(--bg);position:absolute;top:0;left:0;right:0;bottom:0}
#chat-screen.active{display:flex!important}
.digital-human-area{position:relative;width:100%;height:220px;flex-shrink:0;overflow:hidden;background:linear-gradient(180deg,#1A1F2E 0%,#141820 60%,var(--bg) 100%)}
.digital-human-bg{position:absolute;inset:0;background-size:cover;background-position:center top;filter:blur(6px) brightness(.8);opacity:.6;transform:scale(1.1)}
.digital-human-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,31,46,0) 0%,rgba(26,31,46,.3) 50%,var(--bg) 100%)}
.digital-human-wrap{position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:280px;height:220px;display:flex;align-items:flex-end;justify-content:center;z-index:2}
.digital-human-wrap svg{width:100%;height:100%}
.digital-human-name{position:absolute;top:12px;left:16px;z-index:3;display:flex;align-items:center;gap:8px}
.digital-human-name .dhn-text{font-size:16px;font-weight:700;color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.3)}
.digital-human-name .dhn-badge{padding:2px 8px;border-radius:10px;font-size:10px;font-weight:600;background:rgba(59,130,246,.85);color:#fff}
.digital-human-close{position:absolute;top:12px;right:16px;z-index:3;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;cursor:pointer;border:none;font-family:var(--font)}
.digital-human-switch{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:6px}
.dh-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.3);cursor:pointer;transition:all .2s;border:none}
.dh-dot.active{background:var(--primary);transform:scale(1.2)}
.mouth-closed,.mouth-open-1,.mouth-open-2,.mouth-open-3,.mouth-round{display:none}
.mouth-state-closed .mouth-closed,.mouth-state-1 .mouth-open-1,.mouth-state-2 .mouth-open-2,.mouth-state-3 .mouth-open-3,.mouth-state-round .mouth-round{display:block}
.digital-human-wrap.speaking .dh-head{animation:dh-speak-nod .6s ease-in-out infinite}
.digital-human-wrap.speaking .dh-body{animation:dh-speak-breathe .8s ease-in-out infinite}
.digital-human-wrap.idle .dh-head{animation:dh-idle-sway 4s ease-in-out infinite}
.digital-human-wrap.idle .dh-body{animation:dh-idle-breathe 3s ease-in-out infinite}
.digital-human-wrap .dh-eyes{animation:dh-blink 4s infinite}
@keyframes dh-speak-nod{0%,100%{transform:translateY(0) rotate(0)}30%{transform:translateY(-2px) rotate(-.5deg)}70%{transform:translateY(1px) rotate(.5deg)}}
@keyframes dh-speak-breathe{0%,100%{transform:scaleY(1)}50%{transform:scaleY(1.01)}}
@keyframes dh-idle-sway{0%,100%{transform:rotate(0)}50%{transform:rotate(.3deg)}}
@keyframes dh-idle-breathe{0%,100%{transform:translateY(0) scaleY(1)}50%{transform:translateY(-1.5px) scaleY(1.005)}}
@keyframes dh-blink{0%,92%,100%{transform:scaleY(1)}96%{transform:scaleY(.05)}}

.chat-header{display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--card);border-bottom:1px solid var(--border);flex-shrink:0}
.chat-header .ch-info{flex:1}
.chat-header .ch-name{font-size:15px;font-weight:700}
.chat-header .ch-status{font-size:12px;color:var(--primary)}
.chat-messages{flex:1;overflow-y:auto;padding:12px 16px;display:flex;flex-direction:column;gap:10px;-webkit-overflow-scrolling:touch}
.chat-messages::-webkit-scrollbar{display:none}
.msg{max-width:82%;animation:msgIn .3s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.msg-bot{align-self:flex-start}
.msg-user{align-self:flex-end}
.msg-bubble{padding:12px 16px;border-radius:18px;font-size:15px;line-height:1.6;position:relative;word-break:break-word}
.msg-bot .msg-bubble{background:var(--card);border:1px solid var(--border);border-bottom-left-radius:4px}
.msg-user .msg-bubble{background:linear-gradient(135deg,var(--primary),#2563EB);color:#fff;border-bottom-right-radius:4px}
.msg-bubble .msg-en{font-weight:600}
.msg-bubble .msg-zh{font-size:12px;color:var(--text2);margin-top:4px}
.msg-user .msg-bubble .msg-zh{color:rgba(255,255,255,.8)}
.msg-bubble .play-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--primary-light);color:var(--primary);font-size:14px;cursor:pointer;margin-left:6px;vertical-align:middle;border:none;font-family:var(--font)}
.msg-user .msg-bubble .play-btn{background:rgba(255,255,255,.2);color:#fff}
.msg-feedback{margin-top:6px;padding:10px 14px;border-radius:12px;font-size:13px;background:var(--success-light);border:1px solid rgba(74,222,128,.15)}
.msg-feedback .fb-row{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.msg-feedback .fb-row:last-child{margin-bottom:0}
.msg-feedback .fb-label{color:var(--text2);font-size:12px;min-width:60px}
.msg-feedback .fb-val{font-weight:600}
.msg-feedback .fb-correct{color:var(--success)}
.msg-feedback .fb-wrong{color:var(--red)}
.msg-suggest{margin-top:6px;padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.04);font-size:13px;color:var(--text2)}
.msg-suggest b{color:var(--primary);font-weight:600}
.msg-actions{display:flex;gap:4px;margin-top:4px}
.msg-action{display:flex;align-items:center;gap:3px;padding:4px 8px;border-radius:12px;font-size:11px;color:var(--text3);background:rgba(255,255,255,.04);cursor:pointer;border:none;font-family:var(--font)}
.chat-input-area{flex-shrink:0;padding:8px 16px 12px;background:var(--card);border-top:1px solid var(--border);display:flex;gap:8px;align-items:flex-end}
.chat-input-wrap{flex:1}
.chat-input{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:22px;font-size:15px;font-family:var(--font);outline:none;resize:none;max-height:80px;min-height:40px;line-height:1.4;transition:border-color .2s;background:var(--bg);color:var(--text)}
.chat-input:focus{border-color:var(--primary)}
.chat-send{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#2563EB);border:none;color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:var(--primary-glow);transition:transform .15s}
.chat-send:active{transform:scale(.9)}
.chat-mic{width:40px;height:40px;border-radius:50%;background:var(--bg);border:1.5px solid var(--border);color:var(--text2);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.chat-mic.recording{background:var(--red);color:#fff;border-color:var(--red);animation:pulse 1s infinite}
.chat-topic-bar{flex-shrink:0;padding:6px 16px;background:var(--card);border-top:1px solid var(--border);display:flex;gap:6px;overflow-x:auto}
.chat-topic-bar::-webkit-scrollbar{display:none}
.chat-topic{padding:6px 14px;border-radius:20px;font-size:12px;font-weight:500;white-space:nowrap;cursor:pointer;border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--text2);transition:all .15s}
.chat-topic:active,.chat-topic.active{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}

/* ===== WORDBOOK ===== */
.wb-tabs{display:flex;gap:0;margin-bottom:16px;background:var(--card-gradient);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--border)}
.wb-tab{flex:1;text-align:center;padding:12px 8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;color:var(--text2)}
.wb-tab.active{color:var(--primary);background:var(--primary-light)}
.wb-tab .wb-count{font-size:10px;color:var(--text3);display:block;margin-top:2px}
.wb-tab.active .wb-count{color:var(--primary)}
.wb-word-card{display:flex;align-items:center;gap:12px;padding:14px;background:var(--card-gradient);border-radius:14px;margin-bottom:8px;box-shadow:var(--shadow-md);cursor:pointer;border:1px solid var(--border)}
.wb-word-card:active{transform:scale(.98)}
.wb-word-card .wb-emoji{font-size:28px;width:40px;text-align:center;flex-shrink:0}
.wb-word-card .wb-text{flex:1;min-width:0}
.wb-word-card .wb-en{font-size:16px;font-weight:700}
.wb-word-card .wb-zh{font-size:12px;color:var(--text2);margin-top:2px}
.wb-word-card .wb-cat{font-size:10px;color:var(--text3)}
.wb-word-card .wb-remove{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--text3);cursor:pointer;flex-shrink:0;border:none;font-family:var(--font)}
.wb-word-card .wb-remove:active{background:var(--red-light);color:var(--red)}
.flashcard-wrap{perspective:800px;margin:24px auto;max-width:300px}
.flashcard{position:relative;width:100%;min-height:200px;transition:transform .5s;transform-style:preserve-3d;cursor:pointer}
.flashcard.flipped{transform:rotateY(180deg)}
.flashcard-face{position:absolute;inset:0;backface-visibility:hidden;border-radius:var(--radius-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;box-shadow:var(--shadow-md)}
.flashcard-front{background:var(--card-gradient);border:1px solid var(--border)}
.flashcard-back{background:linear-gradient(135deg,var(--primary),#2563EB);color:#fff;transform:rotateY(180deg)}
.flashcard .fc-emoji{font-size:56px;margin-bottom:12px}
.flashcard .fc-word{font-size:28px;font-weight:800}
.flashcard .fc-sub{font-size:14px;margin-top:8px;opacity:.8}
.flashcard .fc-hint{font-size:12px;color:var(--text3);margin-top:12px}
.flashcard-back .fc-hint{color:rgba(255,255,255,.7)}

/* ===== MY (Profile) ===== */
.my-header{display:flex;align-items:center;gap:16px;padding:20px 0;margin-bottom:16px}
.my-avatar{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--element-thunder));display:flex;align-items:center;justify-content:center;font-size:28px;border:3px solid rgba(255,215,0,.3)}
.my-info{flex:1}
.my-name{font-size:20px;font-weight:800}
.my-level{font-size:13px;color:var(--secondary);font-weight:600;margin-top:2px}
.my-tabs{display:flex;gap:0;margin-bottom:16px;background:var(--card-gradient);border-radius:12px;overflow:hidden;border:1px solid var(--border)}
.my-tab{flex:1;text-align:center;padding:10px;font-size:13px;font-weight:600;cursor:pointer;color:var(--text2);transition:all .2s}
.my-tab.active{color:var(--primary);background:var(--primary-light)}
.setting-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border)}
.setting-row:last-child{border-bottom:none}
.setting-label{font-size:15px}
.setting-val{color:var(--text2);font-size:14px}
.toggle{width:48px;height:28px;border-radius:14px;background:rgba(255,255,255,.1);position:relative;cursor:pointer;transition:background .2s;border:1px solid var(--border)}
.toggle.on{background:var(--primary);border-color:var(--primary)}
.toggle::after{content:'';width:22px;height:22px;border-radius:50%;background:#fff;position:absolute;top:2px;left:2px;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.toggle.on::after{transform:translateX(20px)}
.voice-mode-switch{display:flex;background:var(--bg2);border-radius:8px;overflow:hidden;border:1px solid var(--border)}
.vms-opt{padding:6px 14px;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s;color:var(--text2)}
.vms-opt.active{background:var(--primary);color:#fff;border-radius:7px}
.voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;max-height:200px;overflow-y:auto}
.voice-card{display:flex;align-items:center;gap:6px;padding:8px 10px;border:1.5px solid var(--border);border-radius:8px;cursor:pointer;transition:all .15s;background:var(--card)}
.voice-card.selected{border-color:var(--primary);background:var(--primary-light)}
.vc-name{font-size:12px;font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vc-play{font-size:14px;flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--primary-light);color:var(--primary)}

/* Achievement grid */
.ach-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.ach-item{background:var(--card-gradient);border-radius:var(--radius);padding:14px 8px;text-align:center;box-shadow:var(--shadow-md);border:1px solid var(--border)}
.ach-item.locked{opacity:.45}
.ach-item .ach-icon{font-size:28px;margin-bottom:4px}
.ach-item .ach-name{font-size:11px;font-weight:600;line-height:1.3}
.ach-item .ach-desc{font-size:9px;color:var(--text3);margin-top:2px}

/* Leaderboard */
.lb-row{display:flex;align-items:center;gap:12px;padding:12px;background:var(--card-gradient);border-radius:12px;margin-bottom:6px;box-shadow:var(--shadow-md);border:1px solid var(--border)}
.lb-row .lb-rank{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;flex-shrink:0;font-family:var(--font-num)}
.lb-row .lb-rank.gold{background:rgba(255,215,0,.15);color:var(--secondary)}
.lb-row .lb-rank.silver{background:rgba(255,255,255,.08);color:var(--text2)}
.lb-row .lb-rank.bronze{background:rgba(232,69,60,.12);color:var(--accent-fire)}
.lb-row .lb-rank.normal{background:rgba(255,255,255,.04);color:var(--text3)}
.lb-row .lb-info{flex:1}
.lb-row .lb-name{font-size:14px;font-weight:600}
.lb-row .lb-detail{font-size:11px;color:var(--text2)}
.lb-row .lb-score{font-size:16px;font-weight:800;color:var(--secondary);font-family:var(--font-num)}

/* Skins */
.skin-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.skin-card{border-radius:14px;padding:16px 12px;text-align:center;cursor:pointer;border:2px solid var(--border);transition:all .2s;background:var(--card-gradient)}
.skin-card:active{transform:scale(.96)}
.skin-card.active{border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,.2)}
.skin-card.locked{opacity:.5}
.skin-card .sk-preview{height:60px;border-radius:8px;margin-bottom:8px;overflow:hidden}
.skin-card .sk-name{font-size:13px;font-weight:700}
.skin-card .sk-cost{font-size:11px;color:var(--text2);margin-top:2px}
.skin-card .sk-check{position:absolute;top:8px;right:8px;width:22px;height:22px;border-radius:50%;background:var(--primary);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center}

/* Back button */
.back-btn{display:flex;align-items:center;gap:4px;font-size:15px;color:var(--text2);cursor:pointer;padding:8px 0;margin-bottom:8px}
.back-btn:active{opacity:.6}

/* Toast */
.toast{position:fixed;top:60px;left:50%;transform:translateX(-50%);background:var(--card);color:var(--text);padding:10px 20px;border-radius:20px;font-size:13px;font-weight:500;z-index:500;animation:toastIn .3s ease;border:1px solid var(--border);box-shadow:var(--shadow-lg)}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(-10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

/* Mistake book */
.mistake-card{display:flex;align-items:center;gap:12px;padding:14px;background:var(--card-gradient);border-radius:14px;margin-bottom:8px;box-shadow:var(--shadow-md);border:1px solid var(--border)}
.mistake-card .mk-emoji{font-size:28px;width:40px;text-align:center;flex-shrink:0}
.mistake-card .mk-text{flex:1;min-width:0}
.mistake-card .mk-en{font-size:15px;font-weight:700;color:var(--red)}
.mistake-card .mk-zh{font-size:12px;color:var(--text2)}
.mistake-card .mk-wrong{font-size:11px;color:var(--red);margin-top:2px}
.mistake-card .mk-count{font-size:11px;color:var(--text3);margin-top:2px}
.mistake-card .mk-retry{padding:6px 14px;border-radius:8px;background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:600;border:none;cursor:pointer;font-family:var(--font)}

/* Review */
.review-card{min-height:100px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:transform .15s}
.review-card:active{transform:scale(.96)}
.review-card .rev-word{font-size:28px;font-weight:800;color:var(--primary)}
.review-card .rev-zh{font-size:16px;color:var(--text2)}
.review-card .rev-emoji{font-size:40px}

/* Primogem display */
.primogem-display{display:inline-flex;align-items:center;gap:4px;font-weight:800;color:var(--secondary);font-family:var(--font-num)}
.primogem-display .pg-icon{font-size:16px}

/* Daily challenge */
.daily-card{text-align:center;padding:24px 16px}
.daily-card .daily-emoji{font-size:48px;margin-bottom:8px}
.daily-card .daily-title{font-size:20px;font-weight:700}
.daily-card .daily-desc{font-size:13px;color:var(--text2);margin-top:4px}
.daily-card .daily-modes{display:flex;gap:10px;margin-top:16px;justify-content:center}

/* Scrollbar hidden */
::-webkit-scrollbar{display:none}

/* Animations */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes screenIn{from{opacity:0;transform:translateX(24px) scale(.98)}to{opacity:1;transform:translateX(0) scale(1)}}
@keyframes screenOut{from{opacity:1;transform:translateX(0) scale(1)}to{opacity:0;transform:translateX(-24px) scale(.98)}}
@keyframes popIn{from{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}
@keyframes cardIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes shakeX{0%,100%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
.quiz-option:active{transform:scale(.97)}
.quiz-option.correct{animation:popIn .3s ease}
.quiz-option.wrong{animation:shakeX .4s ease}
.diff-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Child safety overlay */
.safety-overlay{position:fixed;inset:0;z-index:600;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.85);animation:fadeIn .3s}
.safety-card{background:var(--card-gradient);border-radius:24px;padding:32px 24px;width:85%;max-width:320px;text-align:center;border:1px solid rgba(255,215,0,.15);box-shadow:0 12px 40px rgba(0,0,0,.5)}
.safety-card .sf-icon{font-size:56px;margin-bottom:12px}
.safety-card .sf-title{font-size:20px;font-weight:800;color:var(--secondary);margin-bottom:8px}
.safety-card .sf-desc{font-size:14px;color:var(--text2);margin-bottom:20px;line-height:1.6}
.safety-card .sf-time{font-size:14px;color:var(--text2);margin-top:8px}

/* Avatar SVG animations */
.avatar-svg{display:block;width:100%;height:100%}
.avatar-svg .blink{animation:blink 4s infinite}
.avatar-svg .breathe{animation:breathe 3s ease-in-out infinite}
.avatar-svg .talk-mouth{display:none}
.avatar-svg.speaking .talk-mouth{display:block}
.avatar-svg.speaking .idle-mouth{display:none}
.avatar-svg.speaking .talk-body{animation:talk-bounce .3s ease-in-out infinite}
.avatar-svg.happy .happy-effect{animation:happy-bounce .5s ease-out}
.avatar-svg.thinking .think-hand{animation:think-tap .8s ease-in-out infinite}
@keyframes blink{0%,90%,100%{transform:scaleY(1)}95%{transform:scaleY(.1)}}
@keyframes breathe{0%,100%{transform:translateY(0)}50%{transform:translateY(-2px)}}
@keyframes talk-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
@keyframes happy-bounce{0%{transform:scale(1)}30%{transform:scale(1.1)}60%{transform:scale(.95)}100%{transform:scale(1)}}
@keyframes think-tap{0%,100%{transform:rotate(0)}50%{transform:rotate(5deg)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}


/* ============================================================
   v12.1 反馈动效系统
   ============================================================ */

/* --- 烟花粒子容器 --- */
.particle-container{position:fixed;inset:0;z-index:10000;pointer-events:none}

/* --- 屏幕震动 --- */
.screen-shake{animation:screenShake .4s ease-out}
@keyframes screenShake{
  0%,100%{transform:translate(0)}
  10%{transform:translate(-6px,3px)}
  20%{transform:translate(5px,-4px)}
  30%{transform:translate(-3px,-2px)}
  40%{transform:translate(4px,5px)}
  50%{transform:translate(-5px,-3px)}
  60%{transform:translate(3px,4px)}
  70%{transform:translate(-4px,2px)}
  80%{transform:translate(2px,-3px)}
  90%{transform:translate(-2px,1px)}
}

/* --- 金色闪光边框 --- */
.golden-flash{animation:goldenFlash .5s ease-out}
@keyframes goldenFlash{
  0%{box-shadow:0 0 0 0 rgba(255,215,0,0),inset 0 0 0 0 rgba(255,215,0,0)}
  30%{box-shadow:0 0 30px 8px rgba(255,215,0,.6),inset 0 0 30px 4px rgba(255,215,0,.3)}
  100%{box-shadow:0 0 0 0 rgba(255,215,0,0),inset 0 0 0 0 rgba(255,215,0,0)}
}

/* --- 连击数字弹跳 --- */
.combo-popup{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10001;pointer-events:none;font-weight:900;text-align:center}
.combo-popup .combo-num{animation:comboBounce .6s cubic-bezier(.34,1.56,.64,1);display:block}
.combo-popup .combo-label{animation:comboFadeIn .3s ease .2s both;display:block;font-size:20px;margin-top:4px}
@keyframes comboBounce{
  0%{transform:scale(0) rotate(-15deg);opacity:0}
  50%{transform:scale(1.3) rotate(5deg);opacity:1}
  100%{transform:scale(1) rotate(0);opacity:1}
}
@keyframes comboFadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* --- 连击3：小火焰 --- */
.combo-fire{color:#FF9F43;font-size:64px;text-shadow:0 0 30px rgba(255,159,67,.8),0 0 60px rgba(255,107,107,.4)}
/* --- 连击5：爆炸 --- */
.combo-blast{color:#FF6B6B;font-size:80px;text-shadow:0 0 40px rgba(255,107,107,.9),0 0 80px rgba(255,159,67,.5)}
/* --- 连击10：彩虹 --- */
.combo-rainbow{font-size:96px;background:linear-gradient(90deg,#FF6B6B,#FF9F43,#FFE66D,#54A0FF,#A29BFE,#FF6B6B);background-size:200% 100%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:rainbowShine .8s linear infinite}
@keyframes rainbowShine{0%{background-position:0% 50%}100%{background-position:200% 50%}}

/* --- 答对：角色欢呼 --- */
.companion-cheer{animation:cheerBounce .5s ease-out}
@keyframes cheerBounce{
  0%{transform:translateY(0)}
  30%{transform:translateY(-20px)}
  50%{transform:translateY(-8px)}
  70%{transform:translateY(-15px)}
  100%{transform:translateY(0)}
}

/* --- 答错：温柔提示 --- */
.gentle-hint{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10001;pointer-events:none;text-align:center;animation:gentlePopIn .5s ease-out}
.gentle-hint .hint-icon{font-size:64px;display:block;animation:gentleBounce 1s ease-in-out infinite}
.gentle-hint .hint-text{font-size:18px;font-weight:700;color:var(--orange);margin-top:8px;text-shadow:0 2px 8px rgba(255,159,67,.3)}
@keyframes gentlePopIn{
  0%{transform:translate(-50%,-50%) scale(0);opacity:0}
  60%{transform:translate(-50%,-50%) scale(1.1);opacity:1}
  100%{transform:translate(-50%,-50%) scale(1);opacity:1}
}
@keyframes gentleBounce{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}

/* --- 正确答案高亮闪烁 --- */
.correct-glow{animation:correctGlow .8s ease-out 3}
@keyframes correctGlow{
  0%,100%{box-shadow:0 0 0 0 rgba(78,205,196,.5)}
  50%{box-shadow:0 0 20px 8px rgba(78,205,196,.8),0 0 40px 4px rgba(78,205,196,.3)}
}

/* --- 星尘飞向计数器 --- */
.stardust-particle{position:fixed;z-index:10001;pointer-events:none;font-size:20px;transition:all .6s cubic-bezier(.25,.46,.45,.94)}

/* --- 贴纸展开 --- */
.sticker-reveal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10001;pointer-events:none;animation:stickerPopIn .6s cubic-bezier(.34,1.56,.64,1)}
@keyframes stickerPopIn{
  0%{transform:translate(-50%,-50%) scale(0) rotate(-30deg);opacity:0}
  60%{transform:translate(-50%,-50%) scale(1.2) rotate(5deg);opacity:1}
  100%{transform:translate(-50%,-50%) scale(1) rotate(0);opacity:1}
}

/* --- 角色疑惑歪头 --- */
.companion-confused{animation:confusedTilt .6s ease-out}
@keyframes confusedTilt{
  0%{transform:rotate(0)}
  30%{transform:rotate(-12deg)}
  60%{transform:rotate(6deg)}
  100%{transform:rotate(0)}
}

/* --- 全屏彩虹渐变（10连击） --- */
.rainbow-overlay{position:fixed;inset:0;z-index:9999;pointer-events:none;background:linear-gradient(135deg,rgba(255,107,107,.15),rgba(255,159,67,.15),rgba(255,230,109,.15),rgba(84,160,255,.15),rgba(162,155,254,.15));animation:rainbowFade 1.5s ease-out}
@keyframes rainbowFade{0%{opacity:1}100%{opacity:0}}

/* --- 皇冠加冕（15连击） --- */
.crown-overlay{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10002;pointer-events:none;font-size:120px;animation:crownDrop .8s cubic-bezier(.34,1.56,.64,1)}
@keyframes crownDrop{
  0%{transform:translate(-50%,-120%) scale(.5);opacity:0}
  60%{transform:translate(-50%,-40%) scale(1.1);opacity:1}
  100%{transform:translate(-50%,-50%) scale(1);opacity:1}
}

/* --- 纸屑飘落 --- */
.confetti-piece{position:fixed;z-index:10000;pointer-events:none;animation:confettiFall linear forwards}
@keyframes confettiFall{
  0%{transform:translateY(-10vh) rotate(0deg);opacity:1}
  100%{transform:translateY(110vh) rotate(720deg);opacity:0}
}