*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0f0c29;--bg-secondary: #302b63;--bg-tertiary: #24243e;--text-primary: #ffffff;--text-secondary: #ffffffaa;--text-muted: #ffffff66;--accent: #4ECDC4;--accent-glow: rgba(78, 205, 196, .3);--card-bg: rgba(255, 255, 255, .04);--card-border: rgba(255, 255, 255, .1);--card-hover-border: rgba(255, 255, 255, .25);--card-shadow: 0 12px 40px rgba(0,0,0,.3);--btn-gradient: linear-gradient(135deg, #4ECDC4, #44b3ab);--header-gradient: linear-gradient(135deg, #fff, #4ECDC4);--body-bg: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary), var(--bg-tertiary));--particle-color: rgba(255, 255, 255, .15);--scrollbar-thumb: rgba(255,255,255,.15);--focus-glow: rgba(78, 205, 196, .1)}[data-theme=quantum]{--bg-primary: #000000;--bg-secondary: #000000;--bg-tertiary: #000000;--text-secondary: #bbbbbb;--text-muted: #666666;--accent: #ffffff;--accent-glow: rgba(255, 255, 255, .15);--card-bg: rgba(255, 255, 255, .03);--card-border: rgba(255, 255, 255, .08);--card-hover-border: rgba(255, 255, 255, .2);--card-shadow: 0 12px 50px rgba(0, 0, 0, .8);--btn-gradient: linear-gradient(135deg, #ffffff, #888888);--header-gradient: linear-gradient(135deg, #fff, #ccc);--body-bg: #000000;--particle-color: rgba(255, 255, 255, .08);--scrollbar-thumb: rgba(255, 255, 255, .15);--focus-glow: rgba(255, 255, 255, .08)}html{font-size:16px;scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--body-bg);background-attachment:fixed;color:var(--text-primary);min-height:100vh;overflow-x:hidden;transition:background .6s ease}#root{min-height:100vh}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#ffffff40}.particles-container{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;overflow:hidden}.particle.bubble{position:absolute;border-radius:50%;background:var(--particle-color);pointer-events:none;animation:float linear infinite}@keyframes float{0%{transform:translateY(100vh) scale(0);opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translateY(-10vh) scale(1);opacity:0}}.meteor-new{position:absolute;top:0;left:0;pointer-events:none;border-radius:1px;background:linear-gradient(to left,rgba(255,255,255,1) 0%,rgba(255,255,255,.5) 6%,rgba(255,255,255,.08) 25%,transparent 50%);transform-origin:100% 50%;will-change:transform,opacity;box-shadow:0 0 4px 1px #ffffff26}.app-container{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:20px;min-height:100vh}.header{text-align:center;padding:40px 20px 30px;position:relative}.header-top-row{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap}.header h1{font-size:3rem;font-weight:800;letter-spacing:2px;background:var(--header-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transition:background .6s ease}.header .subtitle{font-size:1.1rem;color:var(--text-secondary);margin-top:8px;font-weight:400;transition:color .6s ease}.theme-toggle{padding:8px 20px;border-radius:14px;border:1px solid var(--card-border);background:var(--card-bg);color:var(--text-secondary);cursor:pointer;font-size:.85rem;font-weight:600;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);white-space:nowrap}.theme-toggle:hover{background:#ffffff14;border-color:var(--accent);color:var(--accent);box-shadow:0 0 20px var(--accent-glow)}.tabs-container{display:flex;justify-content:center;gap:8px;margin-bottom:32px;flex-wrap:wrap}.tab-btn{padding:12px 28px;border:1px solid var(--card-border);border-radius:16px;background:var(--card-bg);color:var(--text-secondary);cursor:pointer;font-size:.95rem;font-weight:600;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;gap:8px}.tab-btn:hover{background:#ffffff14;border-color:#fff3;color:var(--text-primary)}.tab-btn.active{background:color-mix(in srgb,var(--accent) 15%,transparent);border-color:var(--accent);color:var(--accent);box-shadow:0 0 30px var(--accent-glow)}.section-header{text-align:center;margin-bottom:30px}.section-header h2{font-size:2rem;font-weight:700;margin-bottom:6px}.section-header p{color:var(--text-secondary);font-size:1rem;transition:color .6s ease}.phoneme-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-bottom:40px}.phoneme-card{padding:22px 14px 18px;border-radius:18px;background:var(--card-bg);border:1px solid var(--card-border);text-align:center;cursor:pointer;transition:all .25s ease;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);-webkit-user-select:none;user-select:none;display:flex;flex-direction:column;align-items:center;gap:6px}.phoneme-card:hover{transform:translateY(-3px);border-color:var(--card-hover-border);box-shadow:var(--card-shadow)}.phoneme-card:active{transform:translateY(-1px) scale(.98)}.phoneme-card .ipa-symbol{font-size:2.6rem;font-weight:700;font-family:Times New Roman,Times,serif;line-height:1.1;transition:all .3s;position:relative;display:inline-block;min-height:3rem}.phoneme-card .letter{font-size:.95rem;font-family:Courier New,monospace;padding:1px 14px;border-radius:6px;background:#ffffff0f;display:inline-block;color:var(--text-secondary);letter-spacing:.5px}.phoneme-card .example{font-size:.95rem;color:var(--text-muted);font-weight:500;transition:all .3s;margin-top:2px}.phoneme-card .example.clickable{cursor:pointer;position:relative;display:inline-flex;align-items:center;gap:6px}.phoneme-card .example.clickable:hover{color:var(--accent)}.phoneme-card .category-badge{position:absolute;top:10px;right:10px;font-size:.65rem;padding:3px 10px;border-radius:10px;font-weight:600;letter-spacing:.5px;text-transform:uppercase}.phoneme-card .play-icon{position:absolute;bottom:10px;right:12px;font-size:1.2rem;opacity:.5;transition:opacity .3s;cursor:pointer;z-index:2}.phoneme-card:hover .play-icon{opacity:1}.phoneme-speaking-label{position:absolute;top:-4px;right:-16px;font-size:.7rem;animation:speak-ping .5s ease-in-out infinite alternate}@keyframes speak-ping{0%{opacity:.4;transform:scale(.8)}to{opacity:1;transform:scale(1.1)}}.word-speaking-indicator{display:inline-flex;align-items:flex-end;gap:2px;height:14px;margin-left:4px}.word-speaking-indicator .sw-bar{height:4px}.card-sound-wave{position:absolute;bottom:10px;left:12px;display:flex;align-items:flex-end;gap:3px;height:18px}.sw-bar{display:block;width:3px;border-radius:2px;background:var(--accent);animation:sw-bar-anim .6s ease-in-out infinite alternate}.sw-bar:nth-child(1){--h: 12px}.sw-bar:nth-child(2){--h: 16px}.sw-bar:nth-child(3){--h: 20px}.sw-bar:nth-child(4){--h: 14px}.sw-bar:nth-child(5){--h: 10px}@keyframes sw-bar-anim{0%{height:4px}to{height:var(--h, 18px)}}.phoneme-card.playing-phoneme,.phoneme-card.playing-word{box-shadow:0 0 30px var(--accent-glow)}.phoneme-card.playing-phoneme{animation:card-pulse .6s ease}.phoneme-card.playing-word{animation:card-pulse-word .5s ease}@keyframes card-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}@keyframes card-pulse-word{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}.rules-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px;margin-bottom:40px}.rule-card{padding:28px;border-radius:24px;background:var(--card-bg);border:1px solid var(--card-border);transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.rule-card:hover{transform:translateY(-3px);border-color:var(--card-hover-border);box-shadow:var(--card-shadow)}.rule-card .rule-header{display:flex;align-items:center;gap:12px;margin-bottom:14px}.rule-card .rule-icon{font-size:2rem}.rule-card .rule-title{font-size:1.15rem;font-weight:700}.rule-card .rule-desc{color:var(--text-secondary);font-size:.9rem;line-height:1.6;margin-bottom:16px;padding:12px 16px;background:#ffffff08;border-radius:12px;border-left:3px solid}.rule-card .rule-examples{display:flex;flex-wrap:wrap;gap:8px}.rule-card .rule-example-tag{padding:6px 14px;border-radius:10px;font-size:.85rem;font-family:monospace;font-weight:600;border:1px solid}.analyzer-container{max-width:800px;margin:0 auto 40px}.input-area{display:flex;gap:12px;margin-bottom:32px}.input-area input{flex:1;padding:16px 24px;border-radius:16px;border:2px solid var(--card-border);background:var(--card-bg);color:var(--text-primary);font-size:1.3rem;font-family:monospace;outline:none;transition:all .3s;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.input-area input:focus{border-color:var(--accent);box-shadow:0 0 30px var(--focus-glow)}.input-area input::placeholder{color:var(--text-muted)}.input-area button{padding:16px 32px;border-radius:16px;border:none;background:var(--btn-gradient);color:#fff;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s;white-space:nowrap}.input-area button:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow)}.input-area button:active{transform:translateY(0)}.input-area button:disabled{opacity:.5;cursor:not-allowed;transform:none}.quick-words{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px;justify-content:center}.quick-word-btn{padding:8px 16px;border-radius:12px;border:1px solid var(--card-border);background:var(--card-bg);color:var(--text-secondary);cursor:pointer;font-size:.85rem;font-family:monospace;transition:all .3s}.quick-word-btn:hover{background:color-mix(in srgb,var(--accent) 10%,transparent);border-color:var(--accent);color:var(--accent)}.results-container{animation:fadeSlideUp .5s ease}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.result-section{margin-bottom:28px}.result-section .result-label{font-size:.8rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}.result-section .result-content{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.syllable-chip{padding:12px 22px;border-radius:14px;font-size:1.6rem;font-weight:700;font-family:monospace;border:2px solid;transition:all .3s;position:relative;cursor:pointer}.syllable-chip:hover{transform:scale(1.05)}.syllable-chip.stressed{box-shadow:0 0 25px var(--accent-glow)}.syllable-chip .stress-badge{position:absolute;top:-8px;right:-8px;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;color:#fff;font-weight:700;box-shadow:0 0 10px}.separator{color:var(--text-muted);font-size:1.4rem;font-weight:700}.phoneme-chip{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 14px;border-radius:10px;background:var(--card-bg);border:1px solid var(--card-border);transition:all .3s;cursor:pointer}.phoneme-chip:hover{border-color:#ffffff4d;transform:translateY(-2px)}.phoneme-chip .grapheme{font-size:1.2rem;font-weight:700;font-family:monospace;color:var(--text-primary)}.phoneme-chip .phoneme-ipa{font-size:.9rem;font-family:Times New Roman,serif;font-weight:700}.pattern-chip{padding:6px 18px;border-radius:8px;font-size:1.1rem;font-weight:700;font-family:monospace}.stats-row{display:flex;gap:20px;flex-wrap:wrap;padding:16px 24px;background:var(--card-bg);border-radius:16px;border:1px solid var(--card-border)}.stat-item{text-align:center}.stat-item .stat-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}.stat-item .stat-value{font-size:1.4rem;font-weight:700;font-family:monospace}.footer{text-align:center;padding:40px 20px;color:var(--text-muted);font-size:.85rem;border-top:1px solid var(--card-border);margin-top:40px;transition:all .6s ease}.rule-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10000;display:flex;align-items:center;justify-content:center;cursor:pointer}.rule-modal-card{position:relative;cursor:default;overflow-y:auto;scrollbar-width:thin}.rule-modal-card::-webkit-scrollbar{width:4px}.rule-modal-card::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:2px}.tab-content{animation:fadeIn .4s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.mouse-trail-container,.click-burst-container{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:9999}.mouse-trail-dot{position:absolute;border-radius:50%;background:var(--accent, #4ECDC4);box-shadow:0 0 6px 2px var(--accent-glow, rgba(78,205,196,.3));will-change:transform,opacity}.click-burst{position:absolute;pointer-events:none;z-index:10000}.burst-particle{position:absolute;top:50%;left:50%;border-radius:50%;transform:translate(-50%,-50%);animation:burst-fly ease-out forwards;will-change:transform,opacity}@keyframes burst-fly{0%{transform:translate(-50%,-50%) scale(1);opacity:1}to{transform:translate(calc(-50% + var(--bx, 40px)),calc(-50% + var(--by, 40px))) scale(0);opacity:0}}.click-ring{position:absolute;top:50%;left:50%;border-radius:50%;border:2px solid var(--accent, #4ECDC4);transform:translate(-50%,-50%);animation:ring-expand ease-out forwards;box-shadow:0 0 10px var(--accent-glow, rgba(78,205,196,.3))}@keyframes ring-expand{0%{width:5px;height:5px;opacity:.8}to{width:120px;height:120px;opacity:0}}@media (max-width: 768px){.header h1{font-size:2rem}.header-top-row{flex-direction:column;gap:12px}.phoneme-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.rules-container{grid-template-columns:1fr}.input-area{flex-direction:column}.input-area button{width:100%}.tab-btn{padding:10px 18px;font-size:.85rem}.syllable-chip{font-size:1.2rem;padding:8px 16px}}