@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap";:root{--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-display:"Outfit", sans-serif;--bg-app:#f8fafc;--bg-surface:#fff;--bg-surface-hover:#f1f5f9;--border-color:#00000014;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -2px #0000000a;--shadow-glow:0 0 20px #4f46e514;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--color-brand:#4f46e5;--color-brand-hover:#4338ca;--color-brand-light:#4f46e514;--color-accent:#7c3aed;--color-success:#059669;--color-success-light:#05966914;--color-error:#dc2626;--color-error-light:#dc262614;--color-grammar:#2563eb;--color-grammar-light:#2563eb14;--color-spelling:#ea580c;--color-spelling-light:#ea580c14;--color-punctuation:#0d9488;--color-punctuation-light:#0d948814;--color-style:#7c3aed;--color-style-light:#7c3aed14;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px}[data-theme=dark]{--bg-app:#080b11;--bg-surface:#101524;--bg-surface-hover:#171f33;--border-color:#ffffff14;--shadow-sm:0 1px 2px 0 #0006;--shadow-md:0 10px 15px -3px #0000004d, 0 4px 6px -2px #0003;--shadow-lg:0 20px 25px -5px #0006, 0 10px 10px -5px #0000004d;--shadow-glow:0 0 25px #6366f126;--text-primary:#f3f4f6;--text-secondary:#9ca3af;--text-muted:#6b7280;--color-brand:#6366f1;--color-brand-hover:#4f46e5;--color-brand-light:#6366f11f;--color-accent:#8b5cf6;--color-success:#10b981;--color-success-light:#10b9811f;--color-error:#ef4444;--color-error-light:#ef44441f;--color-grammar:#3b82f6;--color-grammar-light:#3b82f61f;--color-spelling:#f97316;--color-spelling-light:#f973161f;--color-punctuation:#14b8a6;--color-punctuation-light:#14b8a61f;--color-style:#a78bfa;--color-style-light:#a78bfa1f}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.5;transition:background-color .3s,color .3s}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.animate-fade-in{animation:.4s cubic-bezier(.16,1,.3,1) forwards fadeIn}.animate-spin{animation:1s linear infinite spin}.app-container{flex-direction:column;min-height:100vh;transition:all .3s;display:flex}.app-header{border-bottom:1px solid var(--border-color);background-color:var(--bg-surface);z-index:50;-webkit-backdrop-filter:blur(12px);padding:1rem 0;transition:all .3s;position:sticky;top:0}.header-content{justify-content:space-between;align-items:center;max-width:900px;margin:0 auto;padding:0 1.5rem;display:flex}.app-title{font-family:var(--font-display);letter-spacing:-.025em;background:linear-gradient(135deg, var(--color-brand) 0%, var(--color-accent) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;align-items:center;gap:.5rem;font-size:1.35rem;font-weight:800;display:flex}.main-content{flex-grow:1;padding:1rem 0}.app-footer{border-top:1px solid var(--border-color);text-align:center;color:var(--text-muted);background-color:var(--bg-surface);margin-top:3rem;padding:1.5rem 0;font-size:.75rem}.corrector-container{width:100%;max-width:900px;margin:0 auto;padding:1.5rem}.corrector-header{text-align:center;margin-bottom:2rem}.title-gradient{font-family:var(--font-display);letter-spacing:-.03em;background:linear-gradient(135deg, var(--color-brand) 0%, var(--color-accent) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2.5rem;font-weight:800}.subtitle{color:var(--text-secondary);max-width:480px;margin:0 auto;font-size:1.05rem;line-height:1.5}.corrector-card{background:var(--bg-surface);border:1px solid var(--border-color);box-shadow:var(--shadow-md);border-radius:var(--radius-lg);margin-bottom:2rem;padding:1.75rem;transition:all .3s;position:relative}[data-theme=dark] .corrector-card{background:linear-gradient(#111827 0%,#101524 100%)}.corrector-card:hover{box-shadow:var(--shadow-lg), var(--shadow-glow);border-color:#6366f133}.input-meta{justify-content:space-between;align-items:center;margin-bottom:.75rem;display:flex}.input-label{color:var(--text-secondary);letter-spacing:.01em;font-size:.875rem;font-weight:600}.char-counter{color:var(--text-muted);font-size:.75rem;font-weight:500}.corrector-textarea{border-radius:var(--radius-md);border:1px solid var(--border-color);background-color:var(--bg-app);width:100%;height:130px;color:var(--text-primary);resize:none;padding:1.125rem;font-size:1rem;line-height:1.6;transition:all .25s}.corrector-textarea:focus{border-color:var(--color-brand);box-shadow:0 0 0 3px var(--color-brand-light);outline:none}.actions-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-top:1.25rem;display:flex}button{cursor:pointer;font-family:var(--font-sans);justify-content:center;align-items:center;transition:all .2s 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.comparison-card{background:#111827}.comparison-card.corrected{border-bottom:3px solid var(--color-success)}.card-header-row{justify-content:space-between;align-items:center;width:100%;margin-bottom:1rem;display:flex}.card-title{text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:750;font-family:var(--font-display);align-items:center;gap:.5rem;display:flex}.card-title.original{color:var(--color-error)}.card-title.original:before{content:"";background-color:var(--color-error);border-radius:50%;width:7px;height:7px;display:inline-block}.card-title.corrected{color:var(--color-success)}.card-title.corrected:before{content:"";background-color:var(--color-success);border-radius:50%;width:7px;height:7px;display:inline-block}.comparison-text{color:var(--text-primary);word-break:break-word;white-space:pre-wrap;min-height:4rem;font-size:1rem;line-height:1.6}.btn-icon{border-radius:var(--radius-sm);border:1px solid 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.feedback-box{background:#6366f10d}.feedback-icon{color:var(--color-brand);flex-shrink:0;margin-top:.125rem}.feedback-content{flex-direction:column;display:flex}.feedback-title{color:var(--text-primary);font-size:.9rem;font-weight:700;font-family:var(--font-display);margin-bottom:.25rem}.feedback-text{color:var(--text-secondary);font-size:.875rem;line-height:1.5}.section-title{font-family:var(--font-display);color:var(--text-primary);align-items:center;gap:.5rem;margin-bottom:1.25rem;font-size:1.25rem;font-weight:700;display:flex}.badge-count{border-radius:var(--radius-sm);background-color:var(--bg-surface-hover);color:var(--text-secondary);border:1px solid var(--border-color);padding:.125rem .5rem;font-size:.75rem;font-weight:600}.corrections-list{flex-direction:column;gap:1rem;display:flex}.empty-state{background:var(--bg-surface);border:2px dashed 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.625rem;font-size:.7rem;font-weight:700;display:inline-flex}.words-row{flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:.75rem;display:flex}.word-badge{border-radius:var(--radius-sm);align-items:center;gap:.375rem;padding:.3rem .75rem;font-size:.9rem;font-weight:500;display:inline-flex}.word-badge.original{background-color:var(--color-error-light);color:var(--color-error);text-decoration:line-through}.word-badge.corrected{background-color:var(--color-success-light);color:var(--color-success);font-weight:600}.word-arrow{color:var(--text-muted);font-size:.875rem;font-weight:700}.explanation-block{background-color:var(--bg-app);border-radius:var(--radius-sm);border:1px solid var(--border-color);color:var(--text-secondary);gap:.5rem;padding:.75rem 1rem;font-size:.875rem;line-height:1.6;display:flex}.explanation-icon{color:var(--color-brand);flex-shrink:0;margin-top:.125rem}.spinner{color:currentColor;width:1rem;height:1rem;animation:1s linear infinite spin}.spinner 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var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;padding:0;overflow:hidden}.video-ratio-box{width:100%;padding-top:56.25%;position:relative}.video-ratio-box iframe,.video-ratio-box #youtube-player{border:none;width:100%;height:100%;position:absolute;top:0;left:0}.transcript-card.full-width{border-radius:var(--radius-lg);width:100%;box-shadow:var(--shadow-md);background-color:#881337;border:1px solid #ffffff1a;flex-direction:column;height:fit-content;display:flex;overflow:hidden}.transcript-header-bar{background-color:#700f2b;border-bottom:1px solid #ffffff26;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.transcript-header-bar .card-title{color:#fff!important}.transcript-header-bar input{color:#fff!important;background-color:#ffffff1a!important;border:1px solid #fff3!important}.transcript-header-bar 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