:root{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-card: #242424;--bg-card-hover: #2a2a2a;--text-primary: #ffffff;--text-secondary: #a0a0a0;--text-muted: #6b6b6b;--accent-red: #dc2626;--accent-red-light: #ef4444;--accent-gold: #fbbf24;--accent-gold-light: #fcd34d;--accent-white: #fef3c7;--border-color: #333333;--border-color-light: #444444;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow-red: 0 0 40px rgba(220, 38, 38, .3);--shadow-glow-gold: 0 0 20px rgba(251, 191, 36, .2);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes snowfall{0%{transform:translateY(-10px) rotate(0);opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translateY(100vh) rotate(360deg);opacity:0}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn var(--transition-normal) ease-out}.animate-slide-up{animation:slideUp var(--transition-slow) ease-out}.animate-pulse{animation:pulse 2s ease-in-out infinite}.animate-float{animation:float 3s ease-in-out infinite}.app{min-height:100vh;display:flex;flex-direction:column;position:relative;overflow-x:hidden;background:radial-gradient(ellipse at top,rgba(220,38,38,.08) 0%,transparent 50%),radial-gradient(ellipse at bottom right,rgba(251,191,36,.05) 0%,transparent 50%),var(--bg-primary)}.snowflakes{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:hidden}.snowflake{position:absolute;top:-30px;color:#ffffff26;font-size:1rem;animation:snowfall 10s linear infinite;-webkit-user-select:none;user-select:none}.header{text-align:center;padding:var(--spacing-xl) var(--spacing-md) var(--spacing-lg);position:relative;z-index:1}.logo{display:inline-flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-xs)}.logo-icon{font-size:2.5rem;animation:float 3s ease-in-out infinite}.logo h1{font-size:2rem;font-weight:700;background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent-gold) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.tagline{color:var(--text-secondary);font-size:1rem;font-weight:400}.main{flex:1;display:flex;flex-direction:column;align-items:center;padding:0 var(--spacing-md) var(--spacing-xl);position:relative;z-index:1}.container{width:100%;max-width:600px;display:flex;flex-direction:column;gap:var(--spacing-lg)}.upload-section{width:100%}.controls-section{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.error-message{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);background:#dc26261a;border:1px solid rgba(220,38,38,.3);border-radius:var(--radius-md);color:var(--accent-red-light);font-size:.875rem}.error-icon{font-size:1rem}.result-section{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-lg)}.footer{text-align:center;padding:var(--spacing-lg) var(--spacing-md);position:relative;z-index:1}.footer p{color:var(--text-muted);font-size:.875rem}@media(max-width:640px){.header{padding:var(--spacing-lg) var(--spacing-sm) var(--spacing-md)}.logo h1{font-size:1.5rem}.logo-icon{font-size:2rem}.tagline{font-size:.875rem}.main{padding:0 var(--spacing-sm) var(--spacing-lg)}.container{gap:var(--spacing-md)}}.uploader-container{width:100%}.uploader-dropzone{width:100%;min-height:280px;display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);background:var(--bg-card);border:2px dashed var(--border-color);border-radius:var(--radius-xl);cursor:pointer;transition:all var(--transition-normal)}.uploader-dropzone:hover,.uploader-dropzone:focus{border-color:var(--accent-gold);background:var(--bg-card-hover);box-shadow:var(--shadow-glow-gold)}.uploader-dropzone.drag-over{border-color:var(--accent-red);background:#dc26260d;box-shadow:var(--shadow-glow-red)}.uploader-content{text-align:center}.upload-icon{font-size:3rem;margin-bottom:var(--spacing-md);animation:float 3s ease-in-out infinite}.upload-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.upload-hint{font-size:.9375rem;color:var(--text-secondary);margin-bottom:var(--spacing-xs)}.upload-formats{font-size:.8125rem;color:var(--text-muted)}.upload-error{display:flex;align-items:center;gap:var(--spacing-xs);margin-top:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:#dc26261a;border:1px solid rgba(220,38,38,.3);border-radius:var(--radius-md);color:var(--accent-red-light);font-size:.875rem}.uploader-preview{width:100%;display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm)}.preview-image-container{position:relative;max-width:100%;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg)}.preview-image{display:block;max-width:100%;max-height:400px;object-fit:contain;border-radius:var(--radius-xl)}.reset-button{position:absolute;top:var(--spacing-sm);right:var(--spacing-sm);width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:#000000b3;border:1px solid rgba(255,255,255,.2);border-radius:50%;color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.reset-button:hover{background:#dc2626cc;transform:scale(1.1)}.reset-icon{font-size:1rem;line-height:1}.preview-hint{font-size:.8125rem;color:var(--text-muted)}@media(max-width:640px){.uploader-dropzone{min-height:220px;padding:var(--spacing-lg)}.upload-icon{font-size:2.5rem}.upload-title{font-size:1.125rem}.preview-image{max-height:300px}}.action-button{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);min-width:200px;font-family:var(--font-family);font-size:1.125rem;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--accent-red) 0%,var(--accent-red-light) 100%);border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);box-shadow:0 4px 16px #dc262666,0 0 #dc262600;position:relative;overflow:hidden}.action-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.action-button:hover:not(:disabled):before{left:100%}.action-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px #dc262680,0 0 30px #dc26264d}.action-button:active:not(:disabled){transform:translateY(0)}.action-button:disabled{opacity:.6;cursor:not-allowed}.action-button.loading{background:linear-gradient(135deg,var(--bg-card) 0%,var(--bg-card-hover) 100%);box-shadow:var(--shadow-md)}.button-icon{font-size:1.25rem}.spinner{width:20px;height:20px;border:2px solid transparent;border-top-color:var(--accent-gold);border-right-color:var(--accent-gold);border-radius:50%;animation:spin .8s linear infinite}@media(max-width:640px){.action-button{width:100%;padding:var(--spacing-md) var(--spacing-lg);font-size:1rem}}.result-preview{width:100%;display:flex;flex-direction:column;align-items:center;gap:var(--spacing-lg)}.result-title{display:flex;align-items:center;gap:var(--spacing-xs);font-size:1.25rem;font-weight:600;color:var(--text-primary)}.title-icon{font-size:1.5rem}.preview-comparison{display:flex;align-items:center;gap:var(--spacing-md);width:100%}.preview-card{flex:1;position:relative;background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}.preview-card.result{box-shadow:var(--shadow-lg),0 0 30px #fbbf2433;border:1px solid rgba(251,191,36,.3)}.preview-label{position:absolute;top:var(--spacing-sm);left:var(--spacing-sm);padding:4px 12px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-primary);background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius-sm);z-index:1}.preview-img{display:block;width:100%;height:auto;max-height:300px;object-fit:contain}.preview-arrow{font-size:1.5rem;color:var(--accent-gold);flex-shrink:0}@media(max-width:640px){.preview-comparison{flex-direction:column;gap:var(--spacing-sm)}.preview-arrow{transform:rotate(90deg)}.preview-card{width:100%}.result-title{font-size:1.125rem}}.download-button{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-lg);min-width:160px;font-family:var(--font-family);font-size:1rem;font-weight:500;color:var(--text-primary);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.download-button:hover{background:var(--bg-card-hover);border-color:var(--accent-gold);box-shadow:var(--shadow-glow-gold)}.download-button:active{transform:scale(.98)}.download-icon{font-size:1.125rem}@media(max-width:640px){.download-button{width:100%;padding:var(--spacing-md) var(--spacing-lg)}}