.tt-bar{background:var(--color-card);border:1.5px solid var(--color-hairline);border-radius:12px;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:1rem;padding:10px 14px;display:flex;box-shadow:0 1px 4px #00000008}.tt-pills{gap:4px;display:flex}.tt-pill{border:1.5px solid var(--color-hairline);background:var(--color-card);color:var(--color-body);cursor:pointer;border-radius:8px;padding:6px 14px;font-size:.75rem;font-weight:600;transition:all .25s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.tt-pill:before{content:"";opacity:0;background:linear-gradient(135deg,#6366f114,#8b5cf614);transition:opacity .25s;position:absolute;inset:0}.tt-pill:hover{border-color:var(--edu-accent-light);color:var(--edu-accent);transform:translateY(-1px);box-shadow:0 3px 10px #6366f126}.tt-pill:hover:before{opacity:1}.tt-pill:active{transform:scale(.96)}.tt-pill.on{border-color:var(--edu-accent);background:linear-gradient(135deg,var(--edu-accent),#8b5cf6);color:#fff;box-shadow:0 3px 14px #6366f159}.tt-pill.on:before{opacity:0}.tt-sep{background:linear-gradient(180deg,transparent,var(--color-hairline),transparent);flex-shrink:0;width:1px;height:20px}.tt-select{border:1.5px solid var(--color-hairline);background:var(--color-card);max-width:100px;height:32px;color:var(--color-ink);appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:right 6px center;background-repeat:no-repeat;border-radius:8px;padding:0 24px 0 8px;font-size:.75rem;font-weight:500;transition:all .25s}.tt-select:hover{border-color:var(--edu-accent-light)}.tt-select:focus{border-color:var(--edu-accent);box-shadow:0 0 0 3px var(--edu-accent-soft);outline:none}.tt-tabs{gap:6px;margin-bottom:1rem;display:flex}.tt-tab{cursor:pointer;background:var(--color-card);color:var(--color-mute);border:none;border:1.5px solid var(--color-hairline);border-radius:10px;flex:1;padding:11px 0;font-size:.8125rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.tt-tab:after{content:"";border-radius:2px;width:0;height:2.5px;transition:all .3s;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.tt-tab[data-tab=global]:after{background:linear-gradient(90deg,#6366f1,#8b5cf6)}.tt-tab[data-tab=lessons]:after{background:linear-gradient(90deg,#f59e0b,#f97316)}.tt-tab[data-tab=custom]:after{background:linear-gradient(90deg,#10b981,#06b6d4)}.tt-tab:hover{color:var(--color-ink);background:var(--color-card);border-color:var(--color-hairline);transform:translateY(-1px);box-shadow:0 3px 10px #0000000f}.tt-tab.on[data-tab=global]{color:#6366f1;background:linear-gradient(135deg,#6366f10f,#8b5cf60a);border-color:#6366f1;box-shadow:0 0 0 3px #6366f11a,0 3px 12px #6366f11f}.tt-tab.on[data-tab=lessons]{color:#f59e0b;background:linear-gradient(135deg,#f59e0b0f,#f973160a);border-color:#f59e0b;box-shadow:0 0 0 3px #f59e0b1a,0 3px 12px #f59e0b1f}.tt-tab.on[data-tab=custom]{color:#10b981;background:linear-gradient(135deg,#10b9810f,#06b6d40a);border-color:#10b981;box-shadow:0 0 0 3px #10b9811a,0 3px 12px #10b9811f}.tt-tab.on:after{width:60%}.tt-passage-wrap{background:linear-gradient(135deg,var(--color-accent),color-mix(in srgb, var(--color-accent) 74%, var(--color-ink)),color-mix(in srgb, var(--color-accent) 46%, var(--color-card)),var(--color-accent));box-shadow:0 4px 20px color-mix(in srgb, var(--color-accent) 14%, transparent),0 0 0 1px color-mix(in srgb, var(--color-accent) 12%, var(--color-hairline));background-size:300% 300%;border-radius:16px;margin-bottom:.75rem;padding:2px;animation:4s infinite rainbowBorder;position:relative}@keyframes rainbowBorder{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.tt-passage{font-family:"SF Mono","Fira Code","Cascadia Code",var(--font-mono);background:linear-gradient(180deg,color-mix(in srgb, var(--color-card) 96%, var(--color-canvas-soft)) 0%,color-mix(in srgb, var(--color-surface) 90%, var(--color-card)) 100%);color:var(--color-ink);border:1px solid color-mix(in srgb, var(--color-hairline) 80%, transparent);user-select:none;scroll-behavior:smooth;border-radius:14px;min-height:200px;max-height:320px;padding:1.75rem 2rem 2.5rem;font-size:1.35rem;line-height:2;position:relative;overflow-y:auto}.tt-passage:after{content:"";background:linear-gradient(transparent,color-mix(in srgb, var(--color-surface) 88%, var(--color-card)));pointer-events:none;border-radius:0 0 14px 14px;height:80px;position:absolute;bottom:0;left:0;right:0}.tw{color:#646669;opacity:1;font-weight:500;transition:color .15s,opacity .15s;display:inline}.tw.peek{opacity:1}.tw.now{opacity:1;color:var(--color-ink)}.tw.correct{opacity:1;color:var(--color-success-text);font-weight:600}.tw.incorrect{opacity:1;color:var(--color-error-text);text-decoration:underline;text-decoration-color:var(--color-error-text);text-underline-offset:3px;font-weight:600}.tw.cursor{border-left:2px solid var(--edu-accent);margin-left:-1px;padding-left:1px;animation:1s step-end infinite cursorBlink}@keyframes cursorBlink{0%,to{border-color:var(--edu-accent)}50%{border-color:#0000}}.tw.space{opacity:.72}.tw.space.now{opacity:1}.tg{display:inline}.tt-hidden-input{opacity:.01;z-index:-1;width:1px;height:1px;position:fixed;top:0;left:0}.tt-timer-wrap{background:var(--color-card);border:1px solid var(--color-hairline);border-radius:10px;align-items:center;gap:10px;margin-bottom:1.25rem;padding:8px 14px;display:flex}.tt-timer-bar{background:var(--color-surface);border-radius:3px;flex:1;height:5px;overflow:hidden}.tt-timer-fill{background:linear-gradient(90deg,#10b981,#6366f1,#8b5cf6);border-radius:3px;height:100%;transition:width 1s linear}.tt-timer-fill.warn{background:linear-gradient(90deg,#f59e0b,#f97316)}.tt-timer-fill.danger{background:linear-gradient(90deg,#ef4444,#dc2626);animation:1s infinite dangerPulse}@keyframes dangerPulse{0%,to{opacity:1}50%{opacity:.6}}.tt-timer-num{font-size:.8125rem;font-weight:700;font-family:var(--font-mono);color:var(--edu-accent);text-align:right;min-width:32px}.tt-restart{border:1.5px solid var(--color-hairline);background:var(--color-card);color:var(--color-body);cursor:pointer;border-radius:8px;align-items:center;gap:4px;padding:5px 14px;font-size:.75rem;font-weight:600;transition:all .25s;display:flex}.tt-restart:hover{border-color:var(--edu-accent);color:var(--edu-accent);transform:rotate(-10deg);box-shadow:0 2px 8px #6366f126}.tt-restart.resume-prompt{border-color:var(--edu-accent);background:var(--edu-accent-soft);color:var(--edu-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--edu-accent) 12%,transparent)}body.tt-keyboard-active,body.tt-keyboard-active *{cursor:none!important}.tt-rhythm{opacity:0;height:40px;margin-bottom:1rem;padding:4px 0;transition:opacity .3s}.tt-rhythm.active{opacity:1}.tt-rhythm svg{width:100%;height:100%}.rhythm-line{fill:none;stroke:url(#rhythmGradGood);stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;opacity:.85}.tt-status{background:var(--color-card);border:1px solid var(--color-hairline);border-radius:8px;align-items:center;gap:6px;width:fit-content;margin-bottom:.75rem;padding:6px 12px;display:flex}.tt-dot{background:var(--color-hairline);border-radius:50%;flex-shrink:0;width:8px;height:8px;transition:all .3s}.tt-dot.on{background:var(--edu-accent);box-shadow:0 0 8px var(--edu-accent);animation:2s infinite pulse}.tt-dot.ok{background:var(--color-success);box-shadow:0 0 8px var(--color-success)}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}.tt-status-text{color:var(--color-mute);font-size:.8125rem;font-weight:500}.tt-status-text strong{color:var(--color-ink);font-weight:700}.tt-grid{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem;display:grid}@media (width<=768px){.tt-grid{grid-template-columns:1fr}}.tt-metrics{grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:1rem;display:grid}@media (width<=600px){.tt-metrics{grid-template-columns:repeat(2,1fr)}}.tt-m{text-align:center;background:var(--color-card);border:1.5px solid var(--color-hairline);border-radius:12px;padding:14px 6px 12px;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.tt-m:before{content:"";opacity:.7;border-radius:12px 12px 0 0;height:3px;transition:opacity .3s;position:absolute;top:0;left:0;right:0}.tt-m:first-child:before{background:linear-gradient(90deg,#6366f1,#818cf8)}.tt-m:nth-child(2):before{background:linear-gradient(90deg,#10b981,#34d399)}.tt-m:nth-child(3):before{background:linear-gradient(90deg,#ef4444,#f87171)}.tt-m:nth-child(4):before{background:linear-gradient(90deg,#f59e0b,#fbbf24)}.tt-m:hover{transform:translateY(-3px);box-shadow:0 6px 16px #00000012}.tt-m:first-child:hover{border-color:#6366f14d;box-shadow:0 6px 16px #6366f11a}.tt-m:nth-child(2):hover{border-color:#10b9814d;box-shadow:0 6px 16px #10b9811a}.tt-m:nth-child(3):hover{border-color:#ef44444d;box-shadow:0 6px 16px #ef44441a}.tt-m:nth-child(4):hover{border-color:#f59e0b4d;box-shadow:0 6px 16px #f59e0b1a}.tt-m-lbl{text-transform:uppercase;letter-spacing:.06em;color:var(--color-mute);margin-bottom:4px;font-size:.625rem;font-weight:700;display:block}.tt-m-val{font-size:1.35rem;font-weight:800;font-family:var(--font-mono);line-height:1.1;transition:all .2s;display:block}.tt-m-val.accent{color:var(--edu-accent)}.tt-m-val.err{color:var(--color-error-text)}.tt-grade-row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:1rem;display:flex}.tt-badge{border-radius:999px;padding:4px 14px;font-size:.8125rem;font-weight:700;animation:.3s cubic-bezier(.4,0,.2,1) badgePop;display:none}@keyframes badgePop{0%{transform:scale(0)}60%{transform:scale(1.2)}to{transform:scale(1)}}.tt-badge.show{display:inline-flex}.tt-badge.gs{color:#059669;background:linear-gradient(135deg,#10b98126,#0596691a);box-shadow:0 0 10px #10b98133}.tt-badge.ga{color:#2563eb;background:linear-gradient(135deg,#2563eb26,#3b82f61a);box-shadow:0 0 10px #2563eb33}.tt-badge.gb{color:#ca8a04;background:linear-gradient(135deg,#eab30826,#f59e0b1a);box-shadow:0 0 10px #eab30833}.tt-badge.gc{color:#ea580c;background:linear-gradient(135deg,#f9731626,#fb923c1a);box-shadow:0 0 10px #f9731633}.tt-badge.gd{color:#dc2626;background:linear-gradient(135deg,#ef444426,#f871711a);box-shadow:0 0 10px #ef444433}.tt-pb{color:var(--color-mute);background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:999px;padding:4px 10px;font-size:.75rem;font-weight:600;display:none}.tt-pb.show{animation:.3s cubic-bezier(.4,0,.2,1) badgePop;display:inline-flex}.tt-pb strong{color:var(--edu-accent)}.tt-session{text-align:center;background:var(--color-card);border:1.5px solid var(--color-hairline);border-radius:14px;padding:18px;transition:all .3s;position:relative;overflow:hidden}.tt-session:before{content:"";pointer-events:none;background:radial-gradient(circle,#6366f10d 0%,#0000 70%);width:80%;height:80%;position:absolute;top:-40%;right:-40%}.tt-session:hover{border-color:var(--edu-accent-light);transform:translateY(-2px);box-shadow:0 6px 20px #0000000f}.tt-session h4{text-transform:uppercase;letter-spacing:.05em;color:var(--color-mute);margin:0 0 10px;font-size:.6875rem;font-weight:700}.tt-ring{width:104px;height:104px;margin:0 auto 8px;padding:7px;position:relative}.tt-ring svg{width:100%;height:100%;display:block;overflow:visible;transform:rotate(-90deg)}.tt-ring-bg{fill:none;stroke:var(--color-surface);stroke-width:5px}.tt-ring-fill{fill:none;stroke:url(#ringGrad);stroke-width:5px;stroke-linecap:round;transition:stroke-dashoffset .6s cubic-bezier(.4,0,.2,1),stroke .3s}.tt-ring-num{font-size:1.5rem;font-weight:800;font-family:var(--font-mono);color:var(--color-ink);justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.tt-session-trend{color:var(--color-mute);font-size:.75rem;font-weight:600}.tt-session-trend .up{color:var(--color-success)}.tt-session-trend .down{color:var(--color-error-text)}.tt-streak-badge{background:linear-gradient(135deg,#fb923c1f,#f59e0b14);border:1.5px solid #fb923c40;border-radius:999px;align-items:center;gap:6px;margin-bottom:1rem;padding:5px 12px;display:inline-flex;box-shadow:0 2px 8px #fb923c14}.tt-streak-fire{font-size:.875rem;line-height:1}.tt-streak-badge .tt-streak-num{color:#d97706;font-size:.875rem;font-weight:800;font-family:var(--font-mono);line-height:1}.tt-streak-badge .tt-streak-label{color:#92400e;font-size:.6875rem;font-weight:600}.tt-history{background:var(--color-card);border:1.5px solid var(--color-hairline);border-radius:12px;margin-bottom:8px;padding:14px}.tt-history h4{text-transform:uppercase;letter-spacing:.05em;color:var(--color-mute);margin:0 0 10px;font-size:.6875rem;font-weight:700}.tt-graph-wrap{width:100%;min-height:170px;padding:4px 0;position:relative}.tt-graph{width:100%;height:170px;display:block;overflow:visible}.tt-graph-grid{stroke:var(--color-hairline);stroke-width:1px;stroke-dasharray:4 5}.tt-graph-label{fill:var(--color-mute);font:600 11px/1 var(--font-mono)}.tt-graph-empty-label{fill:var(--color-body);font:600 12px/1.3 var(--font-sans)}.tt-graph-tooltip{background:linear-gradient(135deg,var(--color-card),color-mix(in srgb, var(--color-card) 82%, var(--color-canvas)));color:var(--color-ink);pointer-events:none;z-index:10;white-space:nowrap;border:1px solid var(--color-hairline);border-radius:8px;padding:8px 12px;font-size:.6875rem;line-height:1.5;display:none;position:absolute;box-shadow:0 4px 16px #0000002e}.tt-graph-tooltip .tt-gt-wpm{font-weight:800;font-family:var(--font-mono);color:var(--edu-accent);font-size:.875rem}.tt-graph-tooltip .tt-gt-acc{color:var(--color-success-text);font-weight:600}.tt-graph-tooltip .tt-gt-idx{color:var(--color-mute);font-size:.625rem}.tt-results{background:linear-gradient(135deg,var(--edu-accent-soft),#8b5cf614,#ec48990a);border:1.5px solid #6366f133;border-radius:16px;margin-bottom:1rem;padding:24px;display:none;position:relative;overflow:hidden}.tt-results:before{content:"";pointer-events:none;background:radial-gradient(circle,#6366f10f 0%,#8b5cf60a 40%,#0000 70%);width:120%;height:120%;position:absolute;top:-60%;right:-40%}.tt-results:after{content:"";pointer-events:none;background:radial-gradient(circle,#ec48990a 0%,#0000 60%);width:80%;height:80%;position:absolute;bottom:-40%;left:-20%}.tt-results.show{animation:.4s cubic-bezier(.4,0,.2,1) slideUp;display:block}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.tt-results h3{background:linear-gradient(135deg,#6366f1,#8b5cf6,#ec4899);-webkit-text-fill-color:transparent;background-clip:text;margin:0 0 14px;font-size:1rem;font-weight:800}.tt-results-grid{grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px;display:grid}@media (width<=600px){.tt-results-grid{grid-template-columns:repeat(2,1fr)}}.tt-results-cell{text-align:center;background:var(--color-card);border:1.5px solid var(--color-hairline);border-radius:12px;padding:14px 6px;transition:all .3s}.tt-results-cell:hover{transform:translateY(-3px);box-shadow:0 6px 16px #0000000f}.tt-results-cell:first-child .v{color:var(--color-accent)}.tt-results-cell:nth-child(2) .v{color:var(--color-success)}.tt-results-cell:nth-child(3) .v{color:var(--color-warning)}.tt-results-cell:nth-child(4) .v{color:var(--color-accent)}.tt-results-cell .v{font-size:1.5rem;font-weight:800;font-family:var(--font-mono);line-height:1.2}.tt-results-cell .l{color:var(--color-mute);text-transform:uppercase;letter-spacing:.03em;margin-top:3px;font-size:.625rem;font-weight:600}.tt-results-detail{color:var(--color-body);margin-bottom:4px;font-size:.8125rem;line-height:1.5}.tt-results-actions{gap:8px;margin-top:14px;display:flex}.tt-btn{border:1.5px solid var(--color-hairline);background:var(--color-card);color:var(--color-body);cursor:pointer;border-radius:10px;padding:9px 18px;font-size:.75rem;font-weight:600;transition:all .25s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.tt-btn:before{content:"";opacity:0;background:linear-gradient(135deg,#6366f114,#8b5cf614);transition:opacity .25s;position:absolute;inset:0}.tt-btn:hover{border-color:var(--edu-accent);color:var(--edu-accent);transform:translateY(-2px);box-shadow:0 4px 12px #6366f126}.tt-btn:hover:before{opacity:1}.tt-btn:active{transform:scale(.96)}.tt-btn.primary{color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6);border-color:#0000;box-shadow:0 3px 14px #6366f159}.tt-btn.primary:before{opacity:0}.tt-btn.primary:hover{transform:translateY(-2px);box-shadow:0 5px 22px #6366f173}.tt-lessons-grid{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}@media (width<=900px){.tt-lessons-grid{grid-template-columns:repeat(2,1fr)}}.tt-lesson{border:1.5px solid var(--color-hairline);background:var(--color-card);cursor:pointer;border-radius:10px;align-items:flex-start;gap:8px;padding:10px 12px;transition:all .25s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}.tt-lesson:before{content:"";opacity:0;background:linear-gradient(135deg,#6366f10f,#8b5cf60f);transition:opacity .25s;position:absolute;inset:0}.tt-lesson:hover{transform:translateY(-3px);box-shadow:0 6px 16px #0000000f}.tt-lesson:hover:before{opacity:1}.tt-lesson:active{transform:scale(.97)}.tt-lesson:first-child:hover{border-color:#6366f14d}.tt-lesson:nth-child(2):hover{border-color:#8b5cf64d}.tt-lesson:nth-child(3):hover{border-color:#06b6d44d}.tt-lesson:nth-child(4):hover{border-color:#ec48994d}.tt-lesson:nth-child(5):hover{border-color:#f59e0b4d}.tt-lesson:nth-child(6):hover{border-color:#10b9814d}.tt-lesson:nth-child(7):hover{border-color:#ef44444d}.tt-lesson:nth-child(8):hover{border-color:#f973164d}.tt-lesson.on{border-color:var(--edu-accent);background:linear-gradient(135deg,var(--edu-accent-soft),#8b5cf60a);box-shadow:0 3px 14px #6366f126}.tt-lesson.on:before{opacity:0}.tt-lesson-icon{background:var(--color-surface);width:32px;height:32px;color:var(--edu-accent);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-size:.875rem;transition:all .3s;display:flex}.tt-lesson:first-child .tt-lesson-icon{color:#6366f1}.tt-lesson:nth-child(2) .tt-lesson-icon{color:#8b5cf6}.tt-lesson:nth-child(3) .tt-lesson-icon{color:#06b6d4}.tt-lesson:nth-child(4) .tt-lesson-icon{color:#ec4899}.tt-lesson:nth-child(5) .tt-lesson-icon{color:#f59e0b}.tt-lesson:nth-child(6) .tt-lesson-icon{color:#10b981}.tt-lesson:nth-child(7) .tt-lesson-icon{color:#ef4444}.tt-lesson:nth-child(8) .tt-lesson-icon{color:#f97316}.tt-lesson.on .tt-lesson-icon{background:linear-gradient(135deg,var(--edu-accent),#8b5cf6);color:#fff;box-shadow:0 3px 10px #6366f14d}.tt-lesson-body{min-width:0}.tt-lesson-title{color:var(--color-ink);white-space:nowrap;text-overflow:ellipsis;font-size:.75rem;font-weight:700;overflow:hidden}.tt-lesson-desc{color:var(--color-mute);white-space:nowrap;text-overflow:ellipsis;margin-top:1px;font-size:.625rem;overflow:hidden}.tt-lesson-bar{background:var(--color-surface);border-radius:2px;height:3px;margin-top:4px;overflow:hidden}.tt-lesson-bar-fill{background:linear-gradient(90deg,var(--edu-accent),#8b5cf6);border-radius:2px;height:100%;transition:width .4s cubic-bezier(.4,0,.2,1)}.tt-custom-row{align-items:center;gap:8px;display:flex}.tt-custom-input{border:1.5px solid var(--color-hairline);background:var(--color-card);height:40px;color:var(--color-ink);border-radius:8px;flex:1;padding:0 12px;font-size:.8125rem;transition:all .25s}.tt-custom-input::placeholder{color:var(--color-mute)}.tt-custom-input:focus{border-color:#10b981;outline:none;box-shadow:0 0 0 3px #10b9811a}.tt-hint{text-align:center;color:var(--color-body);margin-bottom:.75rem;font-size:.6875rem}.tt-hint kbd{background:var(--color-surface);border:1px solid var(--color-hairline);font-family:var(--font-mono);border-radius:4px;padding:1px 5px;font-size:.625rem;font-weight:600}@media (width<=600px){.tt-passage{min-height:160px;padding:1.25rem 1.25rem 2rem;font-size:1.1rem}.tt-bar{gap:4px;padding:8px 10px}.tt-pill{padding:5px 10px;font-size:.6875rem}.tt-lessons-grid{grid-template-columns:1fr}.tt-select{max-width:80px}.tt-results-grid{gap:6px}.tt-results-cell .v{font-size:1.25rem}}