@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root{--primary: #6366f1;--primary-hover: #4f46e5;--bg-dark: #0f172a;--bg-card: #1e293b;--text-main: #f8fafc;--text-muted: #94a3b8;--accent: #8b5cf6;--success: #10b981;--border: #334155;font-family:Outfit,system-ui,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:var(--text-main);background-color:var(--bg-dark);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-height:100vh;background:radial-gradient(circle at top right,#1e1b4b,#0f172a)}h1,h2,h3,h4{margin-top:0;font-weight:700;letter-spacing:-.02em}button{font-family:inherit;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1)}*{box-sizing:border-box}.setup-container{max-width:900px;margin:0 auto;animation:fadeIn .6s ease-out}.intro-section{text-align:center;margin-bottom:3.5rem}.intro-section h1{font-size:3.5rem;margin-bottom:1rem;background:linear-gradient(135deg,#fff,#94a3b8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.intro-section p{font-size:1.2rem;color:var(--text-muted);max-width:600px;margin:0 auto}.setup-card{background:#1e293b80;border:1px solid var(--border);border-radius:24px;padding:2.5rem;margin-bottom:2rem;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:transform .3s ease,border-color .3s ease}.setup-card:hover{border-color:#6366f166}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:2rem}.section-title{display:flex;align-items:center;gap:.75rem;font-size:1.5rem;margin-bottom:1.5rem;color:var(--text-main)}.form-group{margin-bottom:1.5rem}.form-label{display:block;font-size:.9rem;font-weight:500;color:var(--text-muted);margin-bottom:.75rem}.input-field{width:100%;background:#0f172a99;border:1px solid var(--border);border-radius:12px;padding:.875rem 1.25rem;color:var(--text-main);font-family:inherit;font-size:1rem;transition:all .2s ease}.input-field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f133}.divider{display:flex;align-items:center;text-align:center;margin:1.5rem 0;color:var(--text-muted);font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.divider:before,.divider:after{content:"";flex:1;border-bottom:1px solid var(--border)}.divider:not(:empty):before{margin-right:1.5rem}.divider:not(:empty):after{margin-left:1.5rem}.upload-area{border:2px dashed var(--border);border-radius:16px;padding:2.5rem;text-align:center;cursor:pointer;transition:all .2s ease;background:#0f172a33}.upload-area:hover{border-color:var(--primary);background:#6366f10d}.upload-area.selected,.upload-area.active-gradient{border-color:var(--primary);background:#6366f11a;box-shadow:0 0 0 1px var(--primary)}.upload-icon{font-size:2rem;margin-bottom:1rem;display:block}.helper-text{font-size:.85rem;color:var(--text-muted);margin-top:.75rem;line-height:1.4}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.mode-option{border:2px solid var(--border);border-radius:16px;padding:1.5rem;cursor:pointer;transition:all .2s ease;background:#0f172a4d}.mode-option:hover{border-color:#6366f180;background:#0f172a80}.mode-option.selected{border-color:var(--primary);background:#6366f11a;box-shadow:0 0 0 1px var(--primary)}.mode-title{display:block;font-weight:600;font-size:1.1rem;margin-bottom:.5rem}.mode-desc{font-size:.9rem;color:var(--text-muted)}.actions-section{display:flex;gap:1.25rem;margin-top:3rem;justify-content:center}.btn-primary{background:var(--primary);color:#fff;border:none;padding:1rem 2.5rem;border-radius:14px;font-weight:600;font-size:1.1rem;box-shadow:0 4px 14px #6366f163}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px #6366f13b}.btn-secondary{background:#1e293bcc;color:var(--text-main);border:1px solid var(--border);padding:1rem 2rem;border-radius:14px;font-weight:600;font-size:1.1rem}.btn-secondary:hover{background:var(--bg-card);border-color:var(--text-muted)}@media(max-width:640px){.mode-grid{grid-template-columns:1fr}}.practice-container{max-width:900px;margin:0 auto;padding-bottom:5rem;transition:all .3s ease}.practice-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:2rem}.project-title-area h1{margin:0;font-size:2.5rem}.project-title-area .lang-tag{color:var(--primary);font-weight:600;margin:.25rem 0 0;font-size:1.1rem}.stats-group{text-align:right;line-height:1.5;font-size:.95rem}.practice-layout{display:flex;flex-direction:column;gap:2rem;align-items:center}.video-container{width:100%;max-width:800px;background:#000;border-radius:24px;overflow:hidden;box-shadow:0 20px 50px #00000080;border:1px solid rgba(255,255,255,.1)}#youtube-player{width:100%;height:400px;display:block}.video-container video{width:100%;display:block}.video-placeholder{height:400px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);padding:2rem;text-align:center}.placeholder-icon{font-size:3rem;margin-bottom:1rem}.placeholder-title{color:var(--text-main);margin-bottom:.5rem}.placeholder-error{font-size:.9rem;margin-bottom:1rem;max-width:400px}.exercise-wrapper{width:100%;max-width:800px;padding:3rem;background:#1e293b66;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:32px;position:relative;cursor:pointer;text-align:center}.block-counter{position:absolute;top:1.5rem;right:2rem;color:var(--text-muted);font-size:.8rem;font-weight:600;opacity:.6}.mode-controls{display:flex;justify-content:center;align-items:center;gap:1rem;margin-bottom:2rem;flex-wrap:nowrap;padding:.5rem 1.25rem;background:#0f172a4d;border:1px solid var(--border);border-radius:50px;width:fit-content;margin-left:auto;margin-right:auto}.mode-tabs{display:flex;gap:.5rem}.divider{height:24px;width:1px;background:#ffffff1a}.typing-area{margin-top:1rem;width:100%;display:flex;flex-direction:column;gap:1.5rem;align-items:center}.subtitle-mask{font-family:Inter,Roboto Mono,monospace;font-size:2.2rem;font-weight:600;line-height:1.6;letter-spacing:.05em;text-align:center;color:var(--text-main);min-height:120px;display:flex;flex-wrap:wrap;justify-content:center;column-gap:.6rem;row-gap:.8rem;user-select:text!important;-webkit-user-select:text!important;-ms-user-select:text!important;cursor:text}.word-box{display:inline-flex;white-space:nowrap;gap:.1rem;-webkit-user-select:text!important;user-select:text!important}.char-box{display:inline-block;min-width:.5em;border-bottom:2px solid rgba(255,255,255,.1);transition:all .2s ease;-webkit-user-select:text!important;user-select:text!important}.char-box.revealed{color:var(--primary);border-bottom-color:var(--primary);text-shadow:0 0 10px rgba(99,102,241,.4)}.char-box.hint{color:#f87171;border-bottom-color:#f87171;text-shadow:0 0 8px rgba(248,113,113,.3)}.char-box.punctuation{border-bottom:none;color:var(--text-muted)}.char-box.error{animation:shakeError .4s ease-in-out;color:#ef4444;border-bottom-color:#ef4444}@keyframes shakeError{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.typing-input-wrapper{position:absolute;top:50%;left:50%;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;opacity:0;pointer-events:none}.typing-input{width:100%;background:transparent;border:none;color:transparent;caret-color:transparent}.block-stats-container{width:100%;display:flex;flex-direction:column;align-items:center;gap:1.5rem}.block-stats{padding:1rem 1.5rem;background:#10b9811a;border:1px solid rgba(16,185,129,.2);border-radius:12px;display:flex;justify-content:center;gap:2rem;animation:fadeIn .4s ease-out}.stat-item{display:flex;flex-direction:column;align-items:center}.stat-label{font-size:.75rem;text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em}.stat-value{font-size:1.1rem;font-weight:700;color:#10b981}.perfect-badge{display:inline-flex;align-items:center;gap:.4rem;padding:.25rem .75rem;background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#000;font-weight:800;font-size:.75rem;border-radius:20px;text-transform:uppercase}.project-summary-mini{display:flex;gap:1.5rem;padding:.75rem 1.25rem;background:#ffffff08;border-radius:12px;font-size:.9rem;color:var(--text-muted)}.project-summary-mini b{color:var(--text-main)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.helper-text{color:var(--text-muted);font-size:.9rem;font-style:italic;margin-top:.5rem;text-align:center}.copy-btn{display:flex;align-items:center;gap:.5rem;background:#ffffff0d;border:1px solid var(--border);border-radius:12px;padding:.5rem 1rem;color:var(--text-muted);cursor:pointer;transition:all .2s ease;font-size:.85rem;font-weight:600}.copy-btn:hover{background:#ffffff1a;color:var(--text-main);border-color:#fff3}.copy-btn.copied{background:#10b9811a;color:#10b981;border-color:#10b9814d}.copy-btn.micro{padding:.4rem .8rem;font-size:.75rem;border-radius:10px}.btn-replay-block{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#6366f11a;border:1px solid rgba(99,102,241,.2);color:var(--primary);border-radius:50px;font-weight:700;font-size:.9rem;cursor:pointer;transition:all .2s ease}.btn-replay-block:hover:not(:disabled){background:var(--primary);color:#fff;transform:translateY(-1px)}.btn-replay-block:disabled{opacity:.5;cursor:not-allowed}.btn-continue-big{margin-top:1rem;padding:.85rem 2.5rem;font-size:1.1rem;font-weight:700;border-radius:50px;background:var(--primary);color:#fff;border:none;box-shadow:0 4px 15px #6366f14d;cursor:pointer;transition:all .2s ease;animation:pulse 2s infinite}.btn-continue-big:hover{transform:scale(1.05);box-shadow:0 6px 20px #6366f166}@keyframes pulse{0%{box-shadow:0 0 #6366f166}70%{box-shadow:0 0 0 15px #6366f100}to{box-shadow:0 0 #6366f100}}.block-actions{display:flex;gap:1rem;justify-content:center;margin-top:1.5rem;width:100%}.loading-state{text-align:center;padding:5rem;color:var(--text-muted)}.btn-mode{padding:.5rem 1rem;border-radius:50px;background:#ffffff0d;border:1px solid var(--border);color:var(--text-muted);font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem;font-size:.9rem}.btn-mode:hover{background:#ffffff1a;color:var(--text-main);border-color:#fff3}.btn-mode.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 15px #6366f14d}.scrambled-area{width:100%;display:flex;flex-direction:column;gap:1.5rem;align-items:center}.construction-zone{width:100%;min-height:70px;padding:1.25rem;background:#0f172a4d;border:2px dashed var(--border);border-radius:20px;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.6rem}.construction-zone .placeholder{color:var(--text-muted);font-size:1rem;font-style:italic;opacity:.6}.constructed-word{padding:.4rem .8rem;background:var(--primary);color:#fff;border-radius:10px;font-weight:600;font-size:1.1rem;animation:popIn .3s cubic-bezier(.175,.885,.32,1.275);border:1px solid rgba(255,255,255,.1)}.constructed-word.hint{background:#f8717133;color:#f87171;border-color:#f8717166;text-shadow:0 0 8px rgba(248,113,113,.3)}@keyframes popIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.tokens-zone{width:100%;display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem}.token-btn{padding:.6rem 1rem;background:#ffffff0d;border:1px solid var(--border);border-radius:12px;color:var(--text-main);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.token-btn:hover:not(:disabled){background:#ffffff1a;transform:translateY(-2px);border-color:#ffffff4d}.token-btn:active:not(:disabled){transform:translateY(0)}.token-btn.used{opacity:.2;cursor:default;background:#ffffff05}.token-btn.shaking{animation:shakeError .4s ease-in-out;border-color:#ef4444;color:#ef4444}.scrambled-actions{display:flex;gap:.75rem;margin-top:.5rem}.block-map-overlay{position:fixed;inset:0;background:#0f172ad9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:2000;display:flex;align-items:center;justify-content:center;padding:2rem;animation:fadeIn .3s ease-out}.block-map-content{width:100%;max-width:900px;max-height:85vh;background:var(--bg-card);border:1px solid var(--border);border-radius:32px;box-shadow:0 30px 60px #00000080;display:flex;flex-direction:column;overflow:hidden}.block-map-header{padding:1.5rem 2rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.block-map-header h2{font-size:1.5rem;margin-bottom:.25rem}.project-info{font-size:.9rem;color:var(--text-muted);font-weight:500}.btn-close{background:#ffffff0d;border:none;color:var(--text-main);width:36px;height:36px;border-radius:50%;font-size:1rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.block-map-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;padding:1.25rem 2rem;background:#ffffff05}.block-map-stat-item .value{font-size:1.25rem}.block-list-scroll{flex:1;overflow-y:auto;padding:1rem 2rem 2rem}.block-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}.block-item{padding:1rem}@media(max-width:1024px){.practice-container{padding-bottom:1.5rem;max-width:100%}.practice-header{flex-direction:column;gap:1rem;margin-bottom:1.5rem}.project-title-area h1{font-size:1.75rem}.stats-group{text-align:left;font-size:.85rem}.intro-section{padding:.5rem 1rem!important}.practice-layout{gap:.75rem!important}.video-container{max-width:640px!important;border-radius:16px!important}#youtube-player,.video-placeholder,video{height:300px!important}.exercise-wrapper{padding:1.5rem 1.25rem!important;border-radius:20px!important;max-width:640px!important}.block-counter{top:1rem;right:1.25rem;font-size:.7rem}.mode-controls{margin-bottom:1.5rem;gap:.75rem;padding:.4rem 1rem!important;flex-wrap:nowrap!important}.subtitle-mask{font-size:1.5rem!important;min-height:80px!important;row-gap:.4rem!important;column-gap:.5rem!important;letter-spacing:.02em!important;line-height:1.4!important}.word-box{gap:.1rem!important}.char-box{min-width:.45em!important}.block-actions{margin-top:.75rem!important;gap:.5rem!important}.btn-secondary{padding:.5rem 1rem!important;font-size:.85rem!important}.project-summary-mini{padding:.5rem .75rem!important;gap:1rem!important;font-size:.8rem!important}.placeholder-icon{font-size:2.25rem}}@media(max-height:800px)and (min-width:768px){.video-container{max-width:500px!important}#youtube-player,.video-placeholder,video{height:250px!important}.exercise-wrapper{padding:1rem!important}.subtitle-mask{font-size:1.4rem!important;min-height:60px!important}}.toggle-switch{display:flex;align-items:center;gap:.75rem;cursor:pointer;-webkit-user-select:none;user-select:none}.toggle-label{font-size:.9rem;font-weight:600;color:var(--text-muted);transition:color .2s ease}.toggle-slider{position:relative;display:inline-block;width:44px;height:24px;background-color:#ffffff1a;border-radius:20px;transition:all .3s cubic-bezier(.4,0,.2,1);border:1px solid rgba(255,255,255,.05)}.toggle-slider:before{position:absolute;content:"";height:18px;width:18px;left:2px;bottom:2px;background-color:#fff;border-radius:50%;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px #0003}.toggle-switch input{display:none}.toggle-switch input:checked+.toggle-slider{background-color:var(--primary);border-color:var(--primary)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(20px)}.projects-container{max-width:1100px;margin:0 auto;animation:fadeIn .6s ease-out}.projects-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem}.projects-header h1{font-size:2.5rem;margin:0;background:linear-gradient(135deg,#fff,#94a3b8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:2rem}.project-card{background:#1e293b80;border:1px solid var(--border);border-radius:20px;padding:1.75rem;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:all .3s ease;display:flex;flex-direction:column}.project-card:hover{transform:translateY(-4px);border-color:#6366f166;box-shadow:0 12px 24px -8px #00000080}.project-brand{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.25rem}.project-title{font-size:1.25rem;font-weight:600;color:var(--text-main);margin:0}.project-lang{background:#6366f11a;color:var(--primary);padding:.25rem .75rem;border-radius:100px;font-size:.75rem;font-weight:600;text-transform:uppercase}.project-meta{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}.meta-item{display:flex;flex-direction:column;gap:.25rem}.meta-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.02em}.meta-value{font-size:.9rem;color:var(--text-main);font-weight:500}.progress-container{margin-bottom:1.5rem}.progress-header{display:flex;justify-content:space-between;font-size:.85rem;margin-bottom:.5rem}.progress-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:3px}.project-actions{display:flex;gap:.75rem;margin-top:auto}.project-actions button{flex:1;padding:.75rem;border-radius:12px;font-size:.9rem;font-weight:600}.btn-continue{background:var(--primary);color:#fff;border:none}.btn-continue:hover{background:var(--primary-hover)}.btn-icon{flex:0 0 44px!important;background:#1e293bcc;border:1px solid var(--border);color:var(--text-main);display:flex;align-items:center;justify-content:center}.btn-icon:hover{border-color:var(--text-muted)}.btn-delete:hover{border-color:#ef4444;color:#ef4444}.last-updated{font-size:.75rem;color:var(--text-muted);margin-top:1rem;text-align:center}.empty-state{text-align:center;padding:4rem 2rem;background:#1e293b4d;border:1px dashed var(--border);border-radius:20px;color:var(--text-muted);font-size:1.1rem}#root{width:100%}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-nav{padding:1.25rem 2rem;background:#0f172acc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.nav-content{display:flex;align-items:center;max-width:1200px;margin:0 auto}.main-nav ul{list-style:none;display:flex;align-items:center;margin:0;padding:0;gap:2.5rem}.logo-link{font-weight:700;font-size:1.25rem;color:var(--text-main);text-decoration:none;margin-right:auto;background:linear-gradient(to right,#818cf8,#c084fc);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.nav-link{color:var(--text-muted);text-decoration:none;font-weight:500;font-size:.95rem;transition:all .2s ease;position:relative}.nav-link:hover{color:var(--text-main)}.nav-link.active{color:var(--primary)}.nav-link.active:after{content:"";position:absolute;bottom:-4px;left:0;width:100%;height:2px;background:var(--primary);border-radius:2px}.content{flex:1;padding:3rem 1rem;width:100%;max-width:1200px;margin:0 auto}@media(max-width:768px){.main-nav ul{gap:1.5rem}}