@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Source+Code+Pro:wght@400;500;600&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--color-primary-black: #1e2028;--color-secondary-gray: #2a2d38;--color-tertiary-gray: #373b48;--color-white: #ffffff;--color-blue-primary: #4dabf7;--text-primary: #ffffff;--text-secondary: #e0e0e0;--text-muted: #888888;--text-disabled: #555555;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--color-blue-light: #93c5fd;--color-blue-dark: #1e40af;--bg-primary: var(--color-primary-black);--bg-secondary: var(--color-secondary-gray);--bg-tertiary: var(--color-tertiary-gray);--background-primary: #1e2028;--background-secondary: #262933;--background-tertiary: #2f3340;--border-primary: #3d4152;--border-secondary: #4a4f62;--gradient-dark-start: #1a1d26;--gradient-dark-end: #252a3a;--shadow-primary: rgba(77, 171, 247, .3);--overlay-primary-subtle: rgba(77, 171, 247, .08);--overlay-primary-light: rgba(77, 171, 247, .05);--font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "Source Code Pro", "SF Mono", monospace;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--spacing-3xl: 64px}html,body{width:100%;min-height:100vh}.bg-gradient-primary{background:linear-gradient(60deg,var(--gradient-dark-start) 0%,var(--gradient-dark-end) 100%);position:relative;isolation:isolate}.bg-gradient-primary:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 80%,var(--overlay-primary-subtle) 0%,transparent 50%),radial-gradient(circle at 80% 20%,var(--overlay-primary-light) 0%,transparent 50%),radial-gradient(circle at 50% 50%,rgba(77,171,247,.03) 0%,transparent 70%);pointer-events:none;z-index:-1;opacity:.8}.nav-link-placeholder{color:var(--text-muted);opacity:.2;font-size:12px;font-weight:500;pointer-events:none;cursor:default;-webkit-user-select:none;user-select:none}body{font-family:var(--font-primary);background:var(--color-primary-black);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;min-height:100vh}.brand-title{font-family:var(--font-primary);font-size:36px;font-weight:600;color:var(--color-blue-primary);letter-spacing:.5px}.heading-1{font-family:var(--font-primary);font-size:32px;font-weight:600;color:var(--text-primary);letter-spacing:-.3px;line-height:1.2}.heading-2{font-family:var(--font-primary);font-size:24px;font-weight:600;color:var(--text-primary);letter-spacing:-.2px;line-height:1.3}.heading-3{font-family:var(--font-primary);font-size:20px;font-weight:500;color:var(--text-primary);letter-spacing:-.1px;line-height:1.4}.body-large{font-family:var(--font-primary);font-size:18px;font-weight:400;color:var(--text-secondary);line-height:1.6}.body-regular{font-family:var(--font-primary);font-size:16px;font-weight:400;color:var(--text-secondary);line-height:1.6}.body-small{font-family:var(--font-primary);font-size:14px;font-weight:400;color:var(--text-secondary);line-height:1.5}.label{font-family:var(--font-primary);font-size:14px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.caption{font-family:var(--font-primary);font-size:12px;font-weight:400;color:var(--text-muted);line-height:1.4}.code-display{font-family:var(--font-mono);font-size:16px;font-weight:400;color:var(--color-blue-primary);background:var(--color-primary-black);padding:12px 16px;border-radius:6px;border:1px solid var(--color-tertiary-gray)}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;background:#ffffff1a;border-radius:3px;outline:none;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--color-blue-primary);cursor:pointer;transition:background .2s ease}input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--color-blue-primary);cursor:pointer;border:none;transition:background .2s ease}input[type=range]:hover::-webkit-slider-thumb{background:var(--color-blue-light)}input[type=range]:hover::-moz-range-thumb{background:var(--color-blue-light)}input[type=range]::-webkit-slider-runnable-track{width:100%;height:6px;background:#ffffff1a;border-radius:3px}input[type=range]::-moz-range-track{width:100%;height:6px;background:#ffffff1a;border-radius:3px}.btn{font-family:var(--font-primary);font-size:16px;font-weight:500;padding:14px 28px;border-radius:8px;border:none;cursor:pointer;transition:all .2s ease;text-decoration:none;display:inline-block;text-align:center;outline:none}.btn:focus-visible{outline:2px solid var(--color-blue-primary);outline-offset:2px}.btn-primary{background:var(--color-blue-primary);color:var(--color-primary-black);font-size:20px;padding:18px 44px;font-weight:600}.btn-primary:hover{background:var(--color-blue-light);transform:translateY(-2px);box-shadow:0 8px 25px var(--shadow-primary)}.btn-primary:active{background:var(--color-blue-dark);color:var(--color-white);transform:translateY(0);box-shadow:none}.btn-primary:disabled{background:var(--text-disabled);color:var(--text-muted);cursor:not-allowed;transform:none}.btn-secondary{background:transparent;color:var(--color-blue-primary);border:2px solid var(--color-blue-primary);font-size:18px;padding:16px 40px}.btn-secondary:hover{background:var(--color-blue-primary);color:var(--color-primary-black);transform:translateY(-1px)}.btn-utility{background:transparent;color:var(--color-blue-primary);border:2px solid var(--color-blue-primary);font-size:16px;padding:12px 24px;min-width:140px}.btn-utility:hover{background:var(--color-blue-primary);color:var(--color-primary-black);transform:translateY(-1px)}.btn-utility:active{background:var(--color-blue-dark);border-color:var(--color-blue-dark);color:var(--color-white);transform:translateY(0)}.btn-disabled,.btn-disabled:hover,.btn-disabled:active{opacity:.5;cursor:not-allowed;background:transparent;color:var(--text-muted);border-color:var(--text-muted);transform:none}.btn-secondary:active{background:var(--color-blue-dark);border-color:var(--color-blue-dark);color:var(--color-white);transform:translateY(0)}.btn-secondary:disabled{border-color:var(--text-disabled);color:var(--text-disabled);cursor:not-allowed;transform:none;background:transparent}.btn-large{font-size:18px;padding:16px 32px;min-width:200px}.btn-small{font-size:14px;padding:10px 20px}.btn-ghost{background:transparent;color:var(--text-secondary);border:none;padding:8px 16px}.btn-ghost:hover{color:var(--text-primary);background:var(--color-secondary-gray)}.container{max-width:800px;margin:0 auto;padding:0 20px}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.flex{display:flex}.flex-col{flex-direction:column}.flex-row{flex-direction:row}.items-center{align-items:center}.items-start{align-items:flex-start}.items-end{align-items:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-start{justify-content:flex-start}.justify-end{justify-content:flex-end}.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.gap-5{gap:20px}.gap-6{gap:24px}.gap-8{gap:32px}.flex-1{flex:1}.flex-auto{flex:auto}.flex-none{flex:none}.m-0{margin:0}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}.mb-1{margin-bottom:4px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mb-8{margin-bottom:32px}.mb-12{margin-bottom:48px}.mb-16{margin-bottom:64px}.p-0{padding:0}.p-2{padding:8px}.p-3{padding:12px}.p-4{padding:16px}.p-6{padding:24px}.p-8{padding:32px}.px-2{padding-left:8px;padding-right:8px}.px-4{padding-left:16px;padding-right:16px}.px-6{padding-left:24px;padding-right:24px}.py-2{padding-top:8px;padding-bottom:8px}.py-4{padding-top:16px;padding-bottom:16px}.py-6{padding-top:24px;padding-bottom:24px}.py-10{padding-top:40px;padding-bottom:40px}.space-y-2>*+*{margin-top:8px}.space-y-3>*+*{margin-top:12px}.space-y-4>*+*{margin-top:16px}.space-y-6>*+*{margin-top:24px}.space-x-2>*+*{margin-left:8px}.space-x-4>*+*{margin-left:16px}.w-full{width:100%}.max-w-sm{max-width:400px}.max-w-md{max-width:600px}.max-w-lg{max-width:800px}.max-w-xl{max-width:1200px}.grid{display:grid}.grid-cols-auto{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.gap-4{gap:16px}.stats-placeholder{min-height:300px}.session-graph-container{width:100%;display:flex;flex-direction:column;gap:16px}.session-graph-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:300px;text-align:center}.graph-tooltip{background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:6px;padding:12px;box-shadow:0 4px 12px #00000080}.tooltip-date{color:var(--text-primary);font-size:12px;font-weight:500;margin-bottom:4px}.tooltip-value{color:var(--color-blue-primary);font-size:16px;font-weight:600;margin-bottom:4px}.tooltip-ago{color:var(--text-muted);font-size:11px}.graph-summary{text-align:center;margin-top:8px}.recharts-cartesian-axis-tick-value,.recharts-label{fill:var(--text-muted)}.recharts-dot{r:5}.recharts-dot:hover{r:7}.calendar-container{display:flex;flex-direction:column;gap:20px}.calendar-header{text-align:center}.calendar-header .heading-3{margin-bottom:8px}.calendar-wrapper{background:var(--bg-tertiary);border-radius:8px;padding:24px;max-width:520px;margin:0 auto}.calendar-weekdays{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin-bottom:10px}.calendar-weekday{text-align:center;font-size:14px;font-weight:500;color:var(--text-muted);padding:4px}.calendar-grid{display:flex;flex-direction:column;gap:5px}.calendar-week{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.calendar-cell{aspect-ratio:1;border-radius:8px;display:flex;align-items:center;justify-content:center;position:relative;cursor:default;transition:all .2s ease;min-width:36px;max-width:44px}.calendar-cell:hover{transform:scale(1.1);box-shadow:0 2px 8px #0000004d}.calendar-cell-empty{background:transparent;cursor:default}.calendar-cell-empty:hover{transform:none;box-shadow:none}.calendar-day-number{font-size:13px;color:var(--text-primary);font-weight:600;opacity:.7}.intensity-0{background:var(--bg-secondary);border:1px solid var(--border-primary)}.intensity-1{background:#4dabf733;border:1px solid rgba(77,171,247,.3)}.intensity-2{background:#4dabf766;border:1px solid rgba(77,171,247,.5)}.intensity-3{background:#4dabf799;border:1px solid rgba(77,171,247,.7)}.intensity-4{background:var(--color-blue-primary);border:1px solid var(--color-blue-primary)}.calendar-legend{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:8px}.legend-squares{display:flex;gap:3px}.legend-squares .calendar-cell{width:24px;height:24px;min-width:24px}.legend-squares .calendar-cell:hover{transform:none;box-shadow:none}.calendar-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:16px;margin-top:24px}.stat-card{background:var(--background-secondary);border:1px solid var(--border-primary);border-radius:12px;padding:20px;text-align:center;position:relative;overflow:hidden;box-shadow:0 2px 8px #00000026,0 1px 3px #0000001a;transition:all .3s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0003,0 2px 4px #0000001f;border-color:var(--border-secondary)}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--color-blue-primary) 0%,var(--color-blue-light) 100%)}.stat-value{font-size:36px;font-weight:600;color:var(--color-blue-primary);margin-bottom:8px;line-height:1}.stat-label{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);font-weight:500}.min-h-screen{min-height:100vh}.h-full{height:100%}.card{background:var(--color-secondary-gray);border-radius:12px;padding:24px;border:1px solid var(--border-primary);box-shadow:0 2px 12px #0003,0 1px 2px #0000001a;transition:all .3s ease}.card:hover{box-shadow:0 4px 16px #00000040,0 2px 4px #00000026;transform:translateY(-1px)}.card-compact{padding:16px}.surface{background:var(--color-secondary-gray);border-radius:8px;padding:20px}.surface-elevated{background:var(--color-tertiary-gray);box-shadow:0 4px 6px #0000004d}.text-xs{font-size:12px}.text-sm{font-size:14px}.text-base{font-size:16px}.text-lg{font-size:18px}.text-xl{font-size:20px}.text-2xl{font-size:24px}.font-normal{font-weight:400}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-success{color:var(--color-success)}.text-warning{color:var(--color-warning)}.text-error{color:var(--color-error)}.text-info{color:var(--color-info)}.text-muted{color:var(--text-muted)}.text-gray-600{color:#666}.text-gray-700{color:#4a4a4a}.bg-success{background-color:var(--color-success)}.bg-warning{background-color:var(--color-warning)}.bg-error{background-color:var(--color-error)}.bg-info{background-color:var(--color-info)}.bg-gradient{position:relative}.bg-gradient:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 80%,rgba(77,171,247,.1) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(77,171,247,.05) 0%,transparent 50%);pointer-events:none;z-index:-1}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-size:14px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.form-input{width:100%;padding:12px 16px;font-size:16px;font-family:var(--font-primary);background:var(--color-secondary-gray);color:var(--text-primary);border:1px solid var(--color-tertiary-gray);border-radius:6px;transition:border-color .2s}.form-input:focus{outline:none;border-color:var(--color-blue-primary)}.form-select{width:100%;padding:12px 16px;font-size:16px;font-family:var(--font-primary);background:var(--color-secondary-gray);color:var(--text-primary);border:1px solid var(--color-tertiary-gray);border-radius:6px;cursor:pointer;transition:border-color .2s}.form-select:focus{outline:none;border-color:var(--color-blue-primary)}.radio-group,.checkbox-group{display:flex;gap:16px;flex-wrap:wrap}.radio-label,.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:16px;color:var(--text-secondary)}.radio-label:hover,.checkbox-label:hover{color:var(--text-primary)}.progress{width:100%;height:8px;background:var(--color-tertiary-gray);border-radius:4px;overflow:hidden}.progress-bar{height:100%;background:var(--color-blue-primary);transition:width .3s ease}.badge{display:inline-block;padding:4px 8px;font-size:12px;font-weight:500;border-radius:4px;text-transform:uppercase;letter-spacing:.5px}.badge-primary{background:var(--color-blue-primary);color:var(--color-primary-black)}.badge-success{background:var(--color-success);color:var(--color-white)}.badge-warning{background:var(--color-warning);color:var(--color-primary-black)}.badge-error{background:var(--color-error);color:var(--color-white)}.divider{height:1px;background:var(--color-tertiary-gray);margin:24px 0}.overlay{position:fixed;inset:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--color-secondary-gray);border-radius:12px;padding:32px;max-width:500px;width:90%;max-height:90vh;overflow-y:auto;border:1px solid var(--color-tertiary-gray)}.modal-header{margin-bottom:24px}.modal-title{font-size:24px;font-weight:600;color:var(--text-primary)}.modal-body{margin-bottom:24px;color:var(--text-secondary)}.modal-footer{display:flex;gap:12px;justify-content:flex-end}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-fade-in{animation:fadeIn .3s ease}.animate-slide-up{animation:slideUp .3s ease}.animate-pulse{animation:pulse 2s infinite}@media (max-width: 768px){.brand-title,.heading-1{font-size:28px}.heading-2{font-size:22px}.btn-large{font-size:16px;padding:14px 28px;min-width:180px}.container{padding:0 16px}.modal{padding:24px}}@media (max-width: 480px){.brand-title{font-size:32px}.btn-large{min-width:160px}}.config-header{display:flex;align-items:center;gap:24px;padding:20px 24px;margin-bottom:32px}.config-header .brand-title{margin:0;cursor:pointer}.config-header .page-title{margin:0;color:#fff;font-size:24px;font-weight:600}.btn-back{display:flex;align-items:center;gap:8px;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:8px 16px;color:#ffffffb3;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s}.btn-back:hover{background:#ffffff1a;color:#fff}.btn-back-arrow{font-size:18px;line-height:1}.btn-start-session{background:var(--color-blue-primary);color:var(--color-primary-black);font-size:20px;font-weight:600;padding:16px 64px;border-radius:12px;border:none;cursor:pointer;transition:all .2s;min-width:300px}.btn-start-session:hover{background:var(--color-blue-light);transform:translateY(-2px)}.hidden{display:none}.block{display:block}.inline-block{display:inline-block}.opacity-0{opacity:0}.opacity-50{opacity:.5}.opacity-100{opacity:1}.cursor-pointer{cursor:pointer}.cursor-not-allowed{cursor:not-allowed}.select-none{-webkit-user-select:none;user-select:none}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rounded{border-radius:4px}.rounded-lg{border-radius:8px}.rounded-xl{border-radius:12px}.rounded-full{border-radius:9999px}.shadow-sm{box-shadow:0 1px 2px #0003}.shadow{box-shadow:0 2px 4px #0000004d}.shadow-lg{box-shadow:0 4px 8px #0006}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-secondary-gray)}::-webkit-scrollbar-thumb{background:var(--color-tertiary-gray);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-disabled)}.settings-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;min-height:40px}.settings-row:last-child{margin-bottom:0}.settings-label{font-size:16px;font-weight:500;color:#ffffffe6;min-width:140px;flex-shrink:0}.settings-control{width:350px;display:flex;align-items:center;justify-content:flex-end;gap:12px}.segmented-control{display:flex;width:100%;background:var(--background-tertiary);border:1px solid var(--border-primary);border-radius:8px;padding:4px;gap:4px;justify-content:space-between}.segmented-btn{flex:1;padding:6px 14px;font-size:13px;font-weight:500;background:transparent;color:#ffffffb3;border:none;border-radius:6px;cursor:pointer;transition:all .2s;white-space:nowrap;text-align:center}.segmented-btn:hover{color:#fffffff2;background:#ffffff14}.segmented-btn.active{background:var(--color-blue-primary);color:#1a1a1a;font-weight:600;box-shadow:0 1px 3px #0003}.segmented-btn.active:hover{background:var(--color-blue-light);color:#1a1a1a}*:focus-visible{outline:2px solid var(--color-blue-primary);outline-offset:2px}@media print{body{background:#fff;color:#000}.btn,.no-print{display:none}}.character-history-container{width:100%;max-width:800px;height:200px;background:var(--bg-secondary);border:2px solid var(--border-primary);border-radius:16px;padding:40px 50px;margin-top:20px;position:relative;overflow:hidden;display:flex;align-items:center}.character-history-container:before{content:"";position:absolute;left:0;right:0;top:0;height:40px;background:linear-gradient(to bottom,var(--bg-secondary),transparent);z-index:1;pointer-events:none}.character-history-container:after{content:"";position:absolute;left:0;right:0;bottom:0;height:40px;background:linear-gradient(to top,var(--bg-secondary),transparent);z-index:1;pointer-events:none}.character-history-text{font-family:var(--font-mono);font-size:36px;line-height:1.5;letter-spacing:.05em;overflow-x:hidden;overflow-y:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-behavior:smooth;width:100%;height:100%}.character-history-text::-webkit-scrollbar{display:none}.character-words-wrapper{display:flex;flex-wrap:wrap;align-items:baseline;width:100%}.character-word{display:inline-block;white-space:nowrap}.word-space{white-space:pre}.history-placeholder{color:var(--text-muted);font-style:italic;font-size:28px;opacity:.4;white-space:nowrap}.char-correct{color:var(--color-success)}.char-incorrect{color:var(--color-error)}.char-timeout{color:var(--color-warning)}.char-pending{color:var(--text-muted)}.char-listen,.char-passive{color:var(--text-primary)}.char-current{position:relative}.char-current:after{content:"";position:absolute;right:-3px;top:0;bottom:0;width:3px;background:var(--color-blue-primary);animation:blink 1.5s infinite}.blinking-cursor{display:inline-block;width:3px;height:1.2em;background:var(--color-blue-primary);animation:blink 1.5s infinite;vertical-align:middle}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}@keyframes char-appear{0%{opacity:0;transform:scale(1.2)}to{opacity:1;transform:scale(1)}}.char-correct:last-child,.char-incorrect:last-child,.char-timeout:last-child,.char-passive:last-child{animation:char-appear .2s ease-out}@media (max-width: 768px){.character-history-container{min-width:100%;height:160px;padding:30px 35px}.character-history-text{font-size:28px}}@media (max-width: 480px){.character-history-container{height:140px;padding:25px 30px}.character-history-text{font-size:24px}.history-placeholder{font-size:20px}}.active-session-wrapper{min-height:100vh;width:100%}.active-session-container{height:100vh;display:flex;flex-direction:column;max-width:1000px;margin:0 auto;padding:24px}.session-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:12px;margin-bottom:32px}.header-left{display:flex;align-items:center;gap:24px}.pause-button{background:transparent;border:1px solid var(--border-primary);color:var(--text-muted);padding:8px 16px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease}.pause-button:hover{border-color:var(--color-blue-primary);color:var(--color-blue-primary)}.header-info{display:flex;align-items:center;gap:24px;color:var(--text-muted);font-size:14px}.info-wpm{font-family:var(--font-mono);color:var(--text-secondary);font-weight:500}.info-source{color:var(--text-secondary);font-weight:500}.timer{font-family:var(--font-mono);font-size:16px;font-weight:600;color:var(--color-blue-primary)}.session-display-area{flex:1;display:flex;justify-content:center;align-items:center;padding:0 24px}.welcome-container{height:100vh;display:flex;justify-content:center;align-items:center;padding:24px}.welcome-card{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:16px;padding:48px;text-align:center;max-width:500px;width:100%}.welcome-title{font-size:32px;font-weight:600;color:var(--color-blue-primary);margin-bottom:16px}.welcome-text{font-size:16px;color:var(--text-secondary);margin-bottom:32px}.welcome-hint{margin-top:24px;font-size:14px;color:var(--text-muted)}.overlay{position:fixed;inset:0;background:#000c;display:flex;justify-content:center;align-items:center;z-index:100}.overlay-content{background:var(--bg-secondary);border-radius:16px;padding:48px;text-align:center}.countdown-number{font-size:72px;font-weight:600;color:var(--color-blue-primary);margin-bottom:16px}.countdown-label{font-size:24px;color:var(--text-secondary)}.pause-modal{background:var(--bg-secondary);border-radius:16px;padding:48px;text-align:center;min-width:400px}.pause-title{font-size:28px;font-weight:600;color:var(--text-primary);margin-bottom:32px}.pause-buttons{display:flex;gap:16px;justify-content:center}.replay-character{font-size:72px;font-weight:600;color:var(--color-warning);margin-bottom:16px;font-family:var(--font-mono)}.morse-pattern{font-size:32px;margin-bottom:16px;font-family:var(--font-mono);color:var(--text-secondary)}.replay-label{font-size:18px;color:var(--text-muted)}.feedback-flash{position:fixed;inset:0;pointer-events:none;z-index:90;animation:flash .15s ease-out}.feedback-flash.error{background-color:#ef444433}.feedback-flash.warning{background-color:#f59e0b33}.feedback-flash.success{background-color:#10b98133}@keyframes flash{0%{opacity:0}50%{opacity:1}to{opacity:0}}@media (max-width: 768px){.active-session-container{padding:16px}.session-header{flex-direction:column;gap:16px;text-align:center}.header-left{width:100%;justify-content:center}.session-display-area{padding:0 16px}.pause-modal{min-width:300px;padding:32px}}@media (max-width: 480px){.session-display-area{padding:0 12px}.header-info{flex-direction:column;gap:8px}.header-left{flex-direction:column;gap:12px}.countdown-number,.replay-character{font-size:48px}}.completion-wrapper{min-height:100vh;width:100%}.completion-container{max-width:900px;margin:0 auto;padding:32px;min-height:100vh;display:flex;flex-direction:column}.brand-header{margin-bottom:48px}.brand-title{font-size:24px;font-weight:600;color:var(--color-blue-primary);letter-spacing:.5px;cursor:pointer;transition:opacity .2s ease;margin:0}.brand-title:hover{opacity:.8}.content-area{flex:1;display:flex;flex-direction:column;justify-content:center;gap:48px}.session-summary{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-bottom:32px}.results-section,.settings-section,.live-copy-results-container{background:var(--color-secondary-gray);border:1px solid var(--color-tertiary-gray);border-radius:16px;padding:32px}.live-copy-results-container{margin-bottom:32px}.section-title{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:24px;margin-top:0}.completion-message{font-size:28px;font-weight:600;color:var(--text-primary);margin-bottom:24px}.stat-item,.setting-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding:12px 0;border-bottom:1px solid var(--color-tertiary-gray)}.stat-item:last-child,.setting-item:last-child{border-bottom:none;margin-bottom:0}.stat-label{font-size:16px;color:var(--text-secondary);font-weight:500}.stat-value{font-family:var(--font-mono);font-size:20px;font-weight:600;color:var(--text-primary)}.stat-value.accuracy{color:var(--color-success);font-size:24px}.setting-label{font-size:14px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-weight:500}.setting-value{font-size:16px;color:var(--text-secondary);font-weight:500}.settings-full-width{grid-column:1 / -1;max-width:600px;margin:0 auto}.action-buttons{display:flex;justify-content:center;gap:20px;margin-top:24px}.action-buttons .btn{min-width:160px;padding:14px 32px;font-size:16px;font-weight:500;border-radius:8px;transition:all .2s ease}.action-buttons .btn-primary{background:var(--color-blue-primary);color:var(--color-primary-black);border:none}.action-buttons .btn-primary:hover{background:var(--color-blue-light);transform:translateY(-1px)}.action-buttons .btn-secondary{background:transparent;color:var(--color-blue-primary);border:2px solid var(--color-blue-primary)}.action-buttons .btn-secondary:hover{background:var(--color-blue-primary);color:var(--color-primary-black);transform:translateY(-1px)}.error-message{text-align:center;padding:48px}.error-message h2{font-size:24px;color:var(--text-primary);margin-bottom:24px}@media (max-width: 768px){.completion-container{padding:20px}.session-summary{grid-template-columns:1fr;gap:24px}.results-section,.settings-section{padding:24px}.completion-message{font-size:24px}.action-buttons{flex-direction:column;align-items:center}.action-buttons .btn{width:100%;max-width:300px}.content-area{gap:32px}}@media (max-width: 480px){.completion-container{padding:16px}.brand-title{font-size:20px}.completion-message{font-size:22px}.stat-value.accuracy{font-size:20px}}.tabs-container{display:flex;flex-direction:column}.tabs-header{display:flex;flex-shrink:0;border-bottom:1px solid var(--border-primary);background:var(--bg-secondary);border-radius:8px 8px 0 0;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin}.tabs-header::-webkit-scrollbar{height:4px}.tabs-header::-webkit-scrollbar-track{background:var(--bg-tertiary)}.tabs-header::-webkit-scrollbar-thumb{background:var(--border-secondary);border-radius:2px}.tab-button{flex:1;min-width:120px;padding:16px 24px;background:transparent;border:none;color:var(--text-muted);font-family:var(--font-primary);font-size:14px;font-weight:500;letter-spacing:.02em;text-transform:uppercase;cursor:pointer;position:relative;transition:all .2s ease;white-space:nowrap}.tab-button:hover:not(.tab-active){color:var(--text-secondary);background:var(--overlay-primary-light)}.tab-button.tab-active{color:var(--color-blue-primary);background:var(--bg-tertiary)}.tab-button.tab-active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--color-blue-primary)}.tab-content{padding:32px;background:var(--bg-secondary);border-radius:0 0 8px 8px}.tab-panel{display:none;animation:fadeIn .3s ease}.tab-panel.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.graph-controls{display:flex;gap:8px;margin-bottom:16px;justify-content:flex-end}.time-toggle{padding:8px 16px;border:1px solid var(--border-primary);background:linear-gradient(135deg,var(--background-secondary) 0%,var(--background-tertiary) 100%);color:var(--text-secondary);border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;box-shadow:0 1px 3px #0000001a}.time-toggle:hover{background:var(--background-tertiary);border-color:var(--border-secondary);box-shadow:0 2px 6px #00000026;transform:translateY(-1px)}.time-toggle.active{background:linear-gradient(135deg,var(--color-blue-primary) 0%,var(--color-blue-light) 100%);color:#fff;border-color:var(--color-blue-primary);box-shadow:0 2px 8px #4dabf74d}.time-toggle.active:hover{background:linear-gradient(135deg,var(--color-blue-dark) 0%,var(--color-blue-primary) 100%);border-color:var(--color-blue-dark);box-shadow:0 3px 10px #4dabf766}.session-graph-container{margin:24px 0}.session-graph-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:250px;color:var(--text-muted)}.graph-summary{text-align:center;margin-top:16px}.graph-tooltip{background:linear-gradient(135deg,var(--background-secondary) 0%,var(--background-tertiary) 100%);border:1px solid var(--border-secondary);border-radius:8px;padding:12px;box-shadow:0 4px 12px #0003,0 2px 4px #0000001a;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.tooltip-date{font-size:12px;color:var(--text-muted);margin:0 0 4px}.tooltip-value{font-size:16px;font-weight:600;color:var(--text-primary);margin:0 0 4px}.tooltip-ago{font-size:12px;color:var(--text-secondary);margin:0}.tooltip-details{margin:8px 0;padding:8px 0;border-top:1px solid var(--border-secondary);border-bottom:1px solid var(--border-secondary)}.tooltip-detail{font-size:13px;color:var(--text-secondary);margin:4px 0}.history-table-container{width:100%;max-height:400px;overflow-y:auto;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--border-primary);border-radius:8px;background:var(--background-secondary);box-shadow:0 2px 8px #00000026,inset 0 1px #ffffff05}.history-table{width:100%;border-collapse:collapse;font-size:14px}.history-table thead{border-bottom:1px solid var(--border-secondary);position:sticky;top:0;background:var(--background-primary);z-index:10}.history-table th{padding:12px 8px;text-align:left;color:var(--text-muted);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;background:var(--background-primary)}.history-table tbody tr{border-bottom:1px solid rgba(61,65,82,.5);transition:all .2s ease}.history-table tbody tr:nth-child(2n){background:#ffffff03}.history-table tbody tr:hover{background:#4dabf70d;box-shadow:inset 0 0 0 1px #4dabf71a}.history-table tbody tr:last-child{border-bottom:none}.history-table td{padding:14px 8px;color:var(--text-secondary);white-space:nowrap}.date-cell{min-width:100px;color:var(--text-muted)}.mode-badge{display:inline-block;padding:4px 10px;border-radius:6px;font-size:12px;font-weight:500;background:var(--background-tertiary);color:var(--text-secondary);min-width:70px;text-align:center;transition:all .2s ease}.mode-badge.mode-practice{background:linear-gradient(135deg,#4dabf726,#4dabf71a);color:var(--color-blue-primary);border:1px solid rgba(77,171,247,.2)}.mode-badge.mode-listen{background:linear-gradient(135deg,#8b5cf626,#8b5cf61a);color:#8b5cf6;border:1px solid rgba(139,92,246,.2)}.mode-badge.mode-live-copy{background:linear-gradient(135deg,#22c55e26,#22c55e1a);color:#22c55e;border:1px solid rgba(34,197,94,.2)}.source-cell{max-width:200px;overflow:hidden;text-overflow:ellipsis}.wpm-cell{text-align:center;font-weight:500}.accuracy-cell{text-align:center}.accuracy-value{font-weight:500}.accuracy-high{color:#22c55e}.accuracy-medium{color:#f59e0b}.accuracy-low{color:#ef4444}.confusion-table-container{width:100%;max-height:400px;overflow-y:auto;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--border-primary);border-radius:8px;background:var(--background-secondary);box-shadow:0 2px 8px #00000026,inset 0 1px #ffffff05}.confusion-table{width:100%;border-collapse:collapse;font-size:14px}.confusion-table thead{border-bottom:1px solid var(--border-secondary);position:sticky;top:0;background:var(--background-primary);z-index:10}.confusion-table th{padding:12px 8px;text-align:left;color:var(--text-muted);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;background:var(--background-primary)}.confusion-table tbody tr{border-bottom:1px solid rgba(61,65,82,.5);transition:all .2s ease}.confusion-table tbody tr:nth-child(2n){background:#ffffff03}.confusion-table tbody tr:hover{background:#4dabf70d;box-shadow:inset 0 0 0 1px #4dabf71a}.confusion-table tbody tr:last-child{border-bottom:none}.confusion-table td{padding:14px 8px;vertical-align:middle}.char-cell{font-size:18px;font-weight:600;color:var(--text-primary);width:60px}.char-display{display:inline-block;width:32px;height:32px;line-height:32px;text-align:center;background:linear-gradient(135deg,var(--background-tertiary) 0%,var(--background-secondary) 100%);border:1px solid var(--border-primary);border-radius:6px;box-shadow:0 1px 3px #0000001a}.pattern-cell{color:var(--text-secondary);font-family:monospace;font-size:14px;letter-spacing:2px;min-width:100px}.morse-pattern{display:inline-block;padding:4px 8px;background:linear-gradient(135deg,#4dabf70d,#4dabf705);border:1px solid rgba(77,171,247,.1);border-radius:6px;transition:all .2s ease}.confusion-table .accuracy-cell{text-align:left;min-width:140px}.attempt-count{display:block;font-size:12px;color:var(--text-muted);margin-top:2px;font-weight:400}.confused-cell{min-width:200px}.confusion-badges{display:flex;flex-wrap:wrap;gap:8px}.confusion-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;background:linear-gradient(135deg,#ef44441f,#ef444414);border:1px solid rgba(239,68,68,.25);border-radius:6px;font-size:13px;transition:all .2s ease}.confusion-badge:hover{background:linear-gradient(135deg,#ef44442e,#ef44441f);box-shadow:0 1px 4px #ef444426}.confusion-char{font-weight:600;color:#ef4444}.confusion-percent{color:var(--text-muted);font-size:12px}.no-confusion{color:var(--text-muted);font-style:italic;font-size:13px}.confusion-summary{text-align:center;margin-top:16px;padding-top:16px;border-top:1px solid var(--border-primary)}@media (max-width: 768px){.history-table{font-size:12px}.history-table th,.history-table td{padding:10px 6px}.source-cell{max-width:120px}.mode-badge{min-width:auto;padding:3px 8px}.confusion-table{font-size:12px}.confusion-table th,.confusion-table td{padding:10px 6px}.char-display{width:28px;height:28px;line-height:28px;font-size:16px}.pattern-cell{font-size:12px;min-width:80px}.confusion-badge{padding:3px 8px;font-size:12px}.confusion-percent{font-size:11px}.confused-cell{min-width:150px}}