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var(--border-color);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow-md);padding:24px}.controls-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.controls-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:14px;font-weight:600}.sentence-counter{color:var(--text-muted);background:var(--bg-glass);border-radius:var(--radius-full);border:1px solid var(--border-color);padding:4px 12px;font-size:13px}.sentence-counter strong{color:var(--accent-primary-light)}.current-sentence{background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-md);text-align:center;justify-content:center;align-items:center;min-height:80px;margin-bottom:20px;padding:24px;display:flex;position:relative;overflow:hidden}.current-sentence:before{content:"";background:var(--accent-gradient);opacity:0;height:2px;transition:opacity var(--transition-base);position:absolute;top:0;left:0;right:0}.current-sentence.playing:before{opacity:1;animation:progressBar var(--sentence-duration,3s)linear forwards}@keyframes progressBar{0%{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0)}}.sentence-text{color:var(--text-primary);font-size:22px;font-weight:500;line-height:1.5}.sentence-text.empty{color:var(--text-muted);font-size:15px;font-style:italic}.status-indicator{justify-content:center;align-items:center;gap:8px;height:32px;margin-bottom:20px;font-size:14px;font-weight:500;display:flex}.status-indicator.playing{color:var(--accent-primary-light)}.status-indicator.waiting{color:var(--warning);animation:1.5s ease-in-out infinite pulse}.status-indicator.paused{color:var(--text-muted)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.status-dot{background:currentColor;border-radius:50%;width:8px;height:8px}.status-indicator.playing .status-dot{animation:1s ease-in-out infinite pulse}.control-buttons{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.ctrl-btn{background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:14px;font-weight:500;font-family:var(--font-family);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;gap:8px;min-width:52px;padding:12px 20px;display:flex}.ctrl-btn:hover:not(:disabled){background:var(--bg-glass-hover);border-color:var(--border-color);transform:translateY(-1px)}.ctrl-btn:active:not(:disabled){transform:translateY(0)}.ctrl-btn:disabled{opacity:.4;cursor:not-allowed}.ctrl-btn.primary{background:var(--accent-gradient);color:#fff;border-color:#0000;padding:14px 28px;font-size:15px;font-weight:600}.ctrl-btn.primary:hover:not(:disabled){box-shadow:var(--shadow-glow)}.ctrl-btn.success{color:var(--success);background:#10b98126;border-color:#10b9814d}.ctrl-btn.success:hover:not(:disabled){background:#10b98140}.sentence-list-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow-md);overflow:hidden}.list-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.list-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:14px;font-weight:600}.sentence-list{scroll-behavior:smooth;max-height:400px;overflow-y:auto}.sentence-list::-webkit-scrollbar{width:6px}.sentence-list::-webkit-scrollbar-track{background:0 0}.sentence-list::-webkit-scrollbar-thumb{background:#0003;border-radius:3px}.sentence-list::-webkit-scrollbar-thumb:hover{background:#0000004d}.sentence-item{cursor:pointer;transition:background var(--transition-fast);border-bottom:1px solid var(--border-color);align-items:flex-start;gap:14px;padding:14px 24px;display:flex}.sentence-item:last-child{border-bottom:none}.sentence-item:hover{background:var(--bg-glass-hover)}.sentence-item.active{border-left:3px solid var(--accent-primary);background:#6366f11a}.sentence-item.completed{opacity:.6}.sentence-number{color:var(--text-muted);background:var(--bg-glass);border-radius:var(--radius-full);flex-shrink:0;justify-content:center;align-items:center;min-width:28px;height:28px;margin-top:2px;font-size:12px;font-weight:600;display:flex}.sentence-item.active .sentence-number{background:var(--accent-gradient);color:#fff}.sentence-item.completed .sentence-number{color:var(--success);background:#10b98133}.sentence-content{flex:1;min-width:0}.sentence-content-text{color:var(--text-primary);word-break:break-word;font-size:14px;line-height:1.5}.sentence-time{color:var(--text-muted);font-variant-numeric:tabular-nums;margin-top:4px;font-size:11px}.progress-container{margin-top:20px}.progress-bar-wrapper{background:var(--bg-glass);border-radius:var(--radius-full);width:100%;height:6px;margin-bottom:8px;overflow:hidden}.progress-bar-fill{background:var(--accent-gradient);border-radius:var(--radius-full);height:100%;transition:width var(--transition-base)}.progress-text{color:var(--text-muted);text-align:center;font-size:12px}.speed-control{justify-content:center;align-items:center;gap:10px;margin-top:16px;display:flex}.speed-label{color:var(--text-secondary);font-size:13px;font-weight:500}.speed-btn{background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:12px;font-weight:600;font-family:var(--font-family);cursor:pointer;transition:all var(--transition-fast);padding:6px 12px}.speed-btn:hover{background:var(--bg-glass-hover);color:var(--text-primary)}.speed-btn.active-speed{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff}.mode-toggle{justify-content:center;align-items:center;gap:10px;margin-top:12px;display:flex}.mode-toggle label{color:var(--text-secondary);cursor:pointer;align-items:center;gap:8px;font-size:13px;font-weight:500;display:flex}.toggle-switch{width:40px;height:22px;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{cursor:pointer;background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-full);transition:all var(--transition-fast);position:absolute;inset:0}.toggle-slider:before{content:"";background:var(--text-secondary);width:16px;height:16px;transition:all var(--transition-fast);border-radius:50%;position:absolute;bottom:2px;left:2px}.toggle-switch input:checked+.toggle-slider{background:var(--accent-primary);border-color:var(--accent-primary)}.toggle-switch input:checked+.toggle-slider:before{background:#fff;transform:translate(18px)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.app-container{padding:20px 16px 48px}.app-title{font-size:28px}.input-group{flex-direction:column}.load-btn{justify-content:center}.sentence-text{font-size:18px}.control-buttons{gap:8px}.ctrl-btn{padding:10px 14px;font-size:13px}.ctrl-btn.primary{padding:12px 20px;font-size:14px}}.guide-section{z-index:1;max-width:1100px;margin:0 auto;padding:0 24px 64px;animation:.8s ease-out .3s both fadeInUp;position:relative}.guide-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow-md);color:var(--text-primary);padding:40px}.guide-card h2{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:16px;font-size:24px;display:inline-block}.guide-card h3{color:var(--text-secondary);margin-top:32px;margin-bottom:20px;font-size:20px}.guide-card p{color:var(--text-secondary);margin-bottom:24px;font-size:16px;line-height:1.7}.guide-card strong{color:var(--text-primary)}.guide-steps{counter-reset:guide-counter;list-style:none}.guide-steps>li{color:var(--text-secondary);margin-bottom:24px;padding-left:48px;line-height:1.6;position:relative}.guide-steps>li:before{counter-increment:guide-counter;content:counter(guide-counter);background:var(--bg-glass);border:1px solid var(--border-color);width:32px;height:32px;color:var(--accent-primary-light);border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:700;display:flex;position:absolute;top:-2px;left:0}.guide-steps>li strong{margin-bottom:4px;font-size:16px;display:block}.guide-steps ul{margin-top:12px;padding-left:20px;list-style-type:disc}.guide-steps ul li{margin-bottom:8px}.guide-steps code{background:var(--bg-glass-hover);color:var(--accent-primary-dark);border-radius:4px;padding:2px 6px;font-family:monospace;font-size:13px}