:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--accent:#f59e0b;--accent-dark:#d97706;--bg:#f0f2f8;--card-bg:#fff;--text:#1e1b3a;--text-muted:#7c7a92;--border:rgba(99,102,241,.12);--recording:#ef4444;--recording-glow:rgba(239,68,68,.3);--success:#10b981;--success-dark:#059669;--shadow-sm:0 1px 3px rgba(99,102,241,.08),0 1px 2px rgba(0,0,0,.04);--shadow-md:0 4px 12px rgba(99,102,241,.1),0 2px 4px rgba(0,0,0,.04);--shadow-lg:0 8px 24px rgba(99,102,241,.12),0 4px 8px rgba(0,0,0,.04);--gradient-primary:linear-gradient(135deg,#6366f1,#8b5cf6);--gradient-accent:linear-gradient(135deg,#f59e0b,#f97316);--gradient-success:linear-gradient(135deg,#10b981,#06b6d4);--gradient-bg:linear-gradient(160deg,#f0f2f8,#e8e0f0 50%,#f0e8e4)}*{margin:0;padding:0;box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#1a1a2e;color:var(--text);min-height:100dvh;-webkit-font-smoothing:antialiased;overflow-x:hidden}.bg-overlay-wrapper{position:fixed;inset:0;z-index:0;overflow:hidden}.bg-overlay{position:absolute;inset:0;background-size:cover;background-position:50%;background-repeat:no-repeat;opacity:1;transition:opacity .8s ease}.bg-overlay-in{animation:bgFadeIn .8s ease forwards}.bg-overlay-out{animation:bgFadeOut .8s ease forwards}.bg-overlay-tint{position:absolute;inset:0;background:linear-gradient(160deg,rgba(240,242,248,.82),rgba(232,224,240,.78) 50%,hsla(20,29%,92%,.8));backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}@keyframes bgFadeIn{0%{opacity:0;transform:scale(1.05)}to{opacity:1;transform:scale(1)}}@keyframes bgFadeOut{0%{opacity:1}to{opacity:0}}.container{position:relative;z-index:1;max-width:480px;margin:0 auto;padding:0 1rem 2rem;min-height:100dvh;display:flex;flex-direction:column}header{text-align:center;padding:1.5rem 0 .75rem;flex-shrink:0}header h1{font-size:1.6rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.02em}header p{color:var(--text-muted);font-size:.8rem;margin-top:.2rem;font-weight:500}.offline-banner{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.6rem 1rem;background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid #f59e0b;border-radius:10px;margin-bottom:.75rem;font-size:.8rem;font-weight:600;color:#92400e;animation:slideDown .3s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.tabs{background:hsla(0,0%,100%,.95);border:1px solid var(--border);border-radius:14px;padding:4px;margin-bottom:1rem;flex-shrink:0;box-shadow:var(--shadow-sm);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.tab,.tabs{display:flex}.tab{flex:1 1;padding:.6rem 0;border:none;border-radius:11px;background:transparent;font-size:.8rem;font-weight:500;color:var(--text-muted);cursor:pointer;transition:all .25s ease;align-items:center;justify-content:center;gap:.35rem;-webkit-tap-highlight-color:transparent}.tab.active{background:var(--gradient-primary);color:#fff;font-weight:600;box-shadow:0 2px 8px rgba(99,102,241,.35)}.tab-icon{width:16px;height:16px;flex-shrink:0}.language-bar{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-bottom:1rem;flex-shrink:0}.language-label{padding:.55rem 1rem;background:var(--card-bg);max-width:140px}.language-label,.language-select{font-weight:600;font-size:.9rem;border:1px solid var(--border);border-radius:10px;flex:1 1;text-align:center;box-shadow:var(--shadow-sm);color:var(--text)}.language-select{background:hsla(0,0%,100%,.95);max-width:160px;font-family:inherit;cursor:pointer;-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237c7a92' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .6rem center;padding:.55rem 1.8rem .55rem .75rem}.swap-btn{background:var(--gradient-accent);color:#fff;border:none;border-radius:50%;width:44px;height:44px;font-size:1.3rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .25s ease;flex-shrink:0;-webkit-tap-highlight-color:transparent;box-shadow:0 2px 8px rgba(245,158,11,.35)}.swap-btn:active{transform:scale(.93) rotate(180deg)}.lang-info-row{display:flex;gap:.5rem;margin-bottom:1rem;animation:fadeIn .3s ease}.lang-info{flex:1 1;background:hsla(0,0%,100%,.92);border:1px solid rgba(99,102,241,.12);border-radius:10px;padding:.5rem .625rem;animation:fadeIn .35s ease;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.lang-info-region{display:inline-block;font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--primary);background:rgba(99,102,241,.08);padding:.15rem .4rem;border-radius:4px;margin-bottom:.25rem}.lang-info-speakers{display:block;font-size:.65rem;font-weight:600;color:var(--accent-dark);margin-bottom:.2rem}.lang-info-text{font-size:.68rem;line-height:1.4;color:var(--text-muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.translation-card{background:hsla(0,0%,100%,.95);border:1px solid var(--border);border-radius:16px;padding:1rem 1.25rem;margin-bottom:.75rem;min-height:100px;box-shadow:var(--shadow-md);transition:box-shadow .25s ease;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.translation-card:focus-within{box-shadow:var(--shadow-lg);border-color:rgba(99,102,241,.25)}.translation-card h3{font-size:.65rem;text-transform:uppercase;letter-spacing:.08em;color:var(--primary);margin-bottom:.5rem;font-weight:700}.translation-card p{font-size:1rem;line-height:1.55;color:var(--text)}.translation-card p.placeholder{color:var(--text-muted);font-style:italic;font-weight:400}.card-actions{display:flex;align-items:center;gap:.5rem;margin-top:.625rem;flex-wrap:wrap}.copy-btn{display:inline-flex;align-items:center;gap:.3rem;padding:.4rem .75rem;background:rgba(99,102,241,.08);color:var(--primary);border:1px solid rgba(99,102,241,.15);border-radius:8px;font-size:.8rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s ease;-webkit-tap-highlight-color:transparent}.copy-btn:active{transform:scale(.95)}.copy-btn.copied{background:rgba(16,185,129,.1);color:var(--success);border-color:rgba(16,185,129,.2)}.copy-btn.small{padding:.3rem .6rem;font-size:.75rem}.text-input-area{width:100%;border:none;outline:none;font-family:inherit;font-size:1rem;line-height:1.55;color:var(--text);background:transparent;resize:none;min-height:60px}.text-input-area::placeholder{color:var(--text-muted);font-style:italic}.translate-btn{width:100%;padding:.9rem;background:var(--gradient-primary);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .25s ease;margin-bottom:.75rem;-webkit-tap-highlight-color:transparent;box-shadow:0 3px 10px rgba(99,102,241,.3);letter-spacing:.01em}.translate-btn:active{transform:scale(.98);box-shadow:0 1px 4px rgba(99,102,241,.3)}.translate-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn-loading{display:inline-flex;align-items:center;gap:.5rem}.loading-dots{display:flex;align-items:center;gap:.35rem;padding:.5rem 0}.loading-dots.inline{display:inline-flex;padding:0}.loading-dots span{width:8px;height:8px;border-radius:50%;background:var(--primary-light);animation:dotBounce 1.4s ease-in-out infinite}.loading-dots span:nth-child(2){animation-delay:.16s}.loading-dots span:nth-child(3){animation-delay:.32s}.loading-dots.inline span{width:6px;height:6px;background:hsla(0,0%,100%,.7)}@keyframes dotBounce{0%,80%,to{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}.record-section{flex-direction:column;gap:.6rem;padding:1.25rem 0;flex-shrink:0}.record-btn,.record-section{display:flex;align-items:center}.record-btn{width:76px;height:76px;border-radius:50%;border:3px solid var(--border);background:var(--card-bg);cursor:pointer;justify-content:center;transition:all .25s ease;-webkit-tap-highlight-color:transparent;box-shadow:var(--shadow-md);position:relative}.record-btn:before{content:"";position:absolute;inset:-6px;border-radius:50%;background:transparent;transition:all .3s ease}.record-btn:active{transform:scale(.95);border-color:var(--primary-light)}.record-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.record-btn.recording{border-color:var(--recording);box-shadow:0 0 0 4px var(--recording-glow),var(--shadow-md);animation:pulse 1.5s infinite}.record-btn.recording:before{background:var(--recording-glow);animation:ripple 1.5s infinite}.record-btn .mic-icon{width:30px;height:30px;fill:var(--primary);transition:fill .2s}.record-btn.recording .mic-icon{fill:var(--recording)}.record-label{font-size:.8rem;color:var(--text-muted);font-weight:500}.play-btn{background:var(--gradient-success);color:#fff;border:none;border-radius:10px;padding:.5rem 1rem;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .25s ease;-webkit-tap-highlight-color:transparent;box-shadow:0 2px 8px rgba(16,185,129,.3)}.play-btn:active{transform:scale(.96)}.play-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.history-container{display:flex;flex-direction:column;gap:.625rem}.history-loading{gap:.75rem;color:var(--text-muted);font-size:.85rem}.history-empty,.history-loading{display:flex;flex-direction:column;align-items:center;padding:3rem 0}.history-empty{gap:.5rem;text-align:center}.history-empty p{font-size:1rem;font-weight:600;color:var(--text)}.history-empty span{font-size:.8rem;color:var(--text-muted)}.history-item{background:hsla(0,0%,100%,.95);border:1px solid var(--border);border-radius:14px;padding:.875rem 1rem;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.history-langs{display:flex;align-items:center;justify-content:space-between;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--primary);margin-bottom:.5rem}.history-time{font-weight:500;color:var(--text-muted);text-transform:none;letter-spacing:0;font-size:.7rem}.history-text{display:flex;flex-direction:column;gap:.375rem;margin-bottom:.5rem}.history-source{font-size:.85rem;color:var(--text-muted);line-height:1.4}.history-translation{font-size:.95rem;color:var(--text);font-weight:500;line-height:1.4}.status{text-align:center;font-size:.8rem;color:var(--text-muted);min-height:1.25rem;flex-shrink:0;font-weight:500}.status.error{color:var(--recording)}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes ripple{0%{opacity:.6;transform:scale(1)}to{opacity:0;transform:scale(1.6)}}.site-footer{text-align:center;padding:1.5rem 0 1rem;margin-top:auto;font-size:.75rem;color:var(--text-muted);font-weight:500;letter-spacing:.01em}@media (min-width:600px){.container{max-width:520px;padding-top:1rem}header{padding:2rem 0 1rem}header h1{font-size:1.85rem}.tab{font-size:.9rem}.tab-icon{width:18px;height:18px}.record-btn{width:88px;height:88px}.record-btn .mic-icon{width:34px;height:34px}.swap-btn:hover{transform:scale(1.05);box-shadow:0 4px 12px rgba(245,158,11,.4)}.tab:hover:not(.active){background:rgba(99,102,241,.06);color:var(--primary)}.translate-btn:hover:not(:disabled){box-shadow:0 4px 16px rgba(99,102,241,.4);transform:translateY(-1px)}.play-btn:hover{box-shadow:0 4px 12px rgba(16,185,129,.35);transform:translateY(-1px)}.copy-btn:hover{background:rgba(99,102,241,.14)}.translation-card:hover{box-shadow:var(--shadow-lg)}.record-btn:hover:not(:disabled){border-color:var(--primary-light);box-shadow:var(--shadow-lg)}.history-item:hover{box-shadow:var(--shadow-md)}}