:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;--color-bg-primary: #0a0e1a;--color-bg-secondary: #0f1624;--color-bg-tertiary: #141b2d;--color-bg-elevated: #1a2332;--color-bg-card: #ffffff;--color-bg-overlay: rgba(10, 14, 26, .85);--color-text-primary: #f8fafc;--color-text-secondary: #cbd5e1;--color-text-tertiary: #94a3b8;--color-text-muted: #64748b;--color-text-dark: #0f172a;--color-border: rgba(255, 255, 255, .08);--color-border-hover: rgba(255, 255, 255, .12);--color-border-light: #e2e8f0;--color-brand-primary: #8bdfff;--color-brand-secondary: #51b8ff;--color-brand-accent: #7c5cff;--color-brand-gradient: linear-gradient(135deg, #8bdfff 0%, #51b8ff 50%, #7c5cff 100%);--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.25rem;--radius-2xl: 1.5rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--shadow-brand: 0 10px 25px rgba(125, 100, 255, .35);--shadow-card: 0 20px 60px rgba(0, 0, 0, .35);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{background:linear-gradient(180deg,var(--color-bg-primary) 0%,var(--color-bg-secondary) 40%,var(--color-bg-tertiary) 100%);color:var(--color-text-primary);min-height:100vh;line-height:1.6}h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.2;color:var(--color-text-primary)}h1{font-size:clamp(2.5rem,5vw,3.5rem);letter-spacing:-.02em}h2{font-size:clamp(1.75rem,3vw,2.25rem);letter-spacing:-.01em}h3{font-size:clamp(1.5rem,2.5vw,1.875rem)}a{color:var(--color-brand-primary);text-decoration:none;transition:color var(--transition-base)}a:hover{color:var(--color-brand-secondary)}*:focus-visible{outline:2px solid var(--color-brand-primary);outline-offset:2px}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.app{min-height:100vh;display:flex;flex-direction:column}.container{width:92%;max-width:1200px;margin:0 auto;padding:0 var(--space-4)}@media(min-width:1400px){.container{max-width:1400px}}.site-header{position:sticky;top:0;z-index:100;background:var(--color-bg-overlay);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);transition:background var(--transition-base)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) 0;gap:var(--space-6)}.brand{display:flex;align-items:center;gap:var(--space-3);color:var(--color-text-primary)}.logo{width:auto;height:44px;max-width:180px;object-fit:contain;flex-shrink:0;display:block}.brand-text .title{font-weight:700;font-size:1.25rem;letter-spacing:-.01em;line-height:1.2}.brand-text .subtitle{font-size:.75rem;color:var(--color-text-tertiary);margin-top:2px}.nav{display:flex;gap:var(--space-2);align-items:center}.nav a{color:var(--color-text-secondary);text-decoration:none;font-weight:600;font-size:.9375rem;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);transition:all var(--transition-base);position:relative}.nav a:hover{color:var(--color-text-primary);background:#ffffff0f}.nav a:active{transform:scale(.98)}.hero{padding:var(--space-20) 0 var(--space-12);color:var(--color-text-primary);text-align:center}.hero h1{margin:0 0 var(--space-4);background:var(--color-brand-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:800}.hero p{color:var(--color-text-secondary);max-width:800px;margin:0 auto;font-size:clamp(1rem,1.5vw,1.125rem);line-height:1.7}.hero-features{display:flex;justify-content:center;gap:var(--space-8);margin-top:var(--space-10);flex-wrap:wrap}.hero-feature{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);color:var(--color-text-tertiary);font-size:.875rem}.hero-feature-icon{width:48px;height:48px;border-radius:var(--radius-lg);background:#8bdfff1a;display:grid;place-items:center;font-size:1.5rem}main{flex:1;padding:var(--space-8) 0 var(--space-16)}.card{background:var(--color-bg-card);border-radius:var(--radius-2xl);box-shadow:var(--shadow-card);padding:var(--space-6);border:1px solid var(--color-border-light);transition:transform var(--transition-base),box-shadow var(--transition-base)}.card:hover{transform:translateY(-2px);box-shadow:0 24px 72px #0006}.card-header{margin-bottom:var(--space-6);padding-bottom:var(--space-4);border-bottom:1px solid var(--color-border-light)}.card-title{margin:0 0 var(--space-2);font-size:1.5rem;color:var(--color-text-dark);font-weight:700}.card-subtitle{margin:0;color:var(--color-text-muted);font-size:.9375rem;line-height:1.5}.apps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-6);margin-top:var(--space-8)}@media(max-width:768px){.apps-grid{grid-template-columns:1fr;gap:var(--space-4)}}.button-link,button{appearance:none;border:none;border-radius:var(--radius-lg);padding:var(--space-3) var(--space-5);font-weight:700;font-size:.9375rem;cursor:pointer;transition:all var(--transition-base);display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);text-decoration:none;font-family:inherit}.button-link{color:var(--color-text-dark);background:var(--color-brand-gradient);box-shadow:var(--shadow-brand)}.button-link:hover{transform:translateY(-2px);box-shadow:0 12px 30px #7d64ff66}.button-link:active{transform:translateY(0)}button:not(.secondary){color:var(--color-text-dark);background:var(--color-brand-gradient);box-shadow:var(--shadow-brand)}button:not(.secondary):hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 30px #7d64ff66}button:not(.secondary):active:not(:disabled){transform:translateY(0)}button.secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);box-shadow:var(--shadow-md)}button.secondary:hover:not(:disabled){background:var(--color-bg-elevated);transform:translateY(-1px)}button:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-5);margin-top:var(--space-4)}.form-group{display:flex;flex-direction:column;gap:var(--space-2)}.form-group label{display:block;font-weight:600;font-size:.875rem;color:var(--color-text-dark);margin-bottom:var(--space-1)}.form-group input[type=file],.form-group input[type=number],.form-group input[type=text],.form-group input[type=range],.form-group select{width:100%;border:1.5px solid var(--color-border-light);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);font-size:.9375rem;font-family:inherit;background:#fff;color:var(--color-text-dark);transition:all var(--transition-base)}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--color-brand-primary);box-shadow:0 0 0 3px #8bdfff1a}.form-group input[type=range]{padding:var(--space-2) 0;cursor:pointer}.form-group input[type=range]::-webkit-slider-thumb{appearance:none;width:18px;height:18px;border-radius:50%;background:var(--color-brand-gradient);cursor:pointer;box-shadow:var(--shadow-md)}.form-group input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--color-brand-gradient);cursor:pointer;border:none;box-shadow:var(--shadow-md)}.form-group small{color:var(--color-text-muted);font-size:.8125rem;margin-top:var(--space-1)}.custom-size .custom-row{display:flex;align-items:center;gap:var(--space-3)}.custom-size .custom-row span{color:var(--color-text-muted);font-weight:600}.custom-size .custom-row input{flex:1}.actions{display:flex;flex-wrap:wrap;gap:var(--space-3);margin-top:var(--space-6)}.status{margin-top:var(--space-4);padding:var(--space-4);background:#f8fafc;border:1px solid var(--color-border-light);border-radius:var(--radius-lg);color:var(--color-text-dark);font-size:.9375rem;min-height:24px;line-height:1.6}.status[data-status=success]{background:#10b9811a;border-color:var(--color-success);color:var(--color-success)}.status[data-status=error]{background:#ef44441a;border-color:var(--color-error);color:var(--color-error)}.status[data-status=info]{background:#3b82f61a;border-color:var(--color-info);color:var(--color-info)}.mini-preview{display:flex;flex-direction:column;gap:var(--space-2)}.mini-page{display:grid;grid-template-rows:auto;gap:4px;width:140px;border-radius:var(--radius-md);background:#f8fafc;padding:var(--space-2);box-shadow:var(--shadow-sm);border:1px solid var(--color-border-light)}.mini-tile{height:14px;background:var(--color-brand-gradient);border-radius:4px;opacity:.9}.mini-caption{font-size:.8125rem;color:var(--color-text-muted);font-weight:500}.subtle{color:var(--color-text-muted);font-size:.875rem;font-style:italic}.site-footer{color:var(--color-text-tertiary);padding:var(--space-8) 0 var(--space-10);text-align:center;font-size:.875rem;border-top:1px solid var(--color-border);margin-top:auto}.site-footer .container{display:flex;flex-direction:column;gap:var(--space-2)}@media(max-width:768px){.header-inner{flex-direction:column;align-items:flex-start;padding:var(--space-3) 0}.nav{width:100%;justify-content:flex-start;flex-wrap:wrap}.hero{padding:var(--space-12) 0 var(--space-8)}.hero-features{gap:var(--space-6)}.card{padding:var(--space-4)}.grid{grid-template-columns:1fr}}.privacy-note{color:var(--color-text-tertiary);font-size:.8125rem;margin-top:var(--space-4);padding:var(--space-3);background:#8bdfff0d;border-radius:var(--radius-md);border:1px solid rgba(139,223,255,.1)}.tool-container{width:100%;max-width:1000px;margin:0 auto}.tool-content{margin-top:var(--space-6)}.step-indicator{display:flex;justify-content:center;align-items:center;gap:var(--space-2);margin-bottom:var(--space-8);padding:var(--space-4) 0;flex-wrap:wrap}.step-item{display:flex;align-items:center;gap:var(--space-2);position:relative;flex:0 0 auto}.step-icon{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-size:1.5rem;background:var(--color-bg-elevated);border:2px solid var(--color-border);color:var(--color-text-tertiary);transition:all var(--transition-base);z-index:1}.step-item.visited .step-icon{background:var(--color-brand-gradient);border-color:transparent;color:var(--color-text-dark);box-shadow:var(--shadow-brand)}.step-item.active .step-icon{background:var(--color-brand-gradient);border-color:transparent;color:var(--color-text-dark);box-shadow:0 0 0 4px #7d64ff33;transform:scale(1.1)}.step-label{font-size:.875rem;font-weight:600;color:var(--color-text-secondary);white-space:nowrap}.step-item.active .step-label{color:var(--color-text-primary)}.step-connector{width:60px;height:2px;background:var(--color-border);margin:0 var(--space-2);transition:background var(--transition-base)}.step-item.visited+.step-item .step-connector,.step-item.active+.step-item .step-connector{background:var(--color-brand-primary);opacity:.5}@media(max-width:768px){.step-indicator{gap:var(--space-1)}.step-icon{width:40px;height:40px;font-size:1.25rem}.step-label{display:none}.step-connector{width:30px;margin:0 var(--space-1)}}.file-upload-area{border:2px dashed var(--color-border-light);border-radius:var(--radius-xl);padding:var(--space-8);text-align:center;cursor:pointer;transition:all var(--transition-base);background:#fafbfc;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-4)}.file-upload-area:hover{border-color:var(--color-brand-primary);background:#8bdfff0d}.file-upload-area.dragging{border-color:var(--color-brand-primary);background:#8bdfff1a;transform:scale(1.02)}.file-upload-area.has-file{border-style:solid;border-color:var(--color-brand-primary);background:#8bdfff0d;min-height:auto;padding:var(--space-4)}.upload-icon{font-size:3rem;opacity:.6}.upload-text{font-size:1.125rem;color:var(--color-text-dark)}.upload-text strong{color:var(--color-brand-accent)}.upload-hint{font-size:.875rem;color:var(--color-text-muted)}.file-info{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3);background:#fff;border-radius:var(--radius-md);border:1px solid var(--color-border-light);width:100%}.files-list{width:100%;display:flex;flex-direction:column;gap:var(--space-3)}.file-icon{font-size:1.5rem;flex-shrink:0}.file-details{flex:1;min-width:0;text-align:left}.file-name{font-weight:600;color:var(--color-text-dark);font-size:.9375rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-size{font-size:.8125rem;color:var(--color-text-muted);margin-top:2px}.file-remove{width:32px;height:32px;border-radius:50%;border:none;background:var(--color-error);color:#fff;font-size:1.25rem;cursor:pointer;display:grid;place-items:center;transition:all var(--transition-base);flex-shrink:0;line-height:1;padding:0}.file-remove:hover{background:#dc2626;transform:scale(1.1)}.add-more-files{padding:var(--space-3);border:2px dashed var(--color-border-light);border-radius:var(--radius-md);background:transparent;color:var(--color-text-dark);font-weight:600;cursor:pointer;transition:all var(--transition-base);width:100%}.add-more-files:hover{border-color:var(--color-brand-primary);background:#8bdfff0d}.settings-section{margin-top:var(--space-6);padding-top:var(--space-6);border-top:1px solid var(--color-border-light)}.settings-section:first-of-type{margin-top:0;padding-top:0;border-top:none}.settings-section-title{font-size:1rem;font-weight:700;color:var(--color-text-dark);margin-bottom:var(--space-4)}.settings-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;padding:var(--space-3) var(--space-4);background:#f8fafc;border:1px solid var(--color-border-light);border-radius:var(--radius-md);cursor:pointer;font-weight:600;font-size:.9375rem;color:var(--color-text-dark);transition:all var(--transition-base)}.settings-toggle:hover{background:#f1f5f9;border-color:var(--color-brand-primary)}.toggle-icon{font-size:.75rem;color:var(--color-text-muted)}.preview-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--space-4);margin-bottom:var(--space-6);padding:var(--space-5);background:linear-gradient(135deg,#8bdfff1a,#7d64ff1a);border-radius:var(--radius-xl);border:1px solid rgba(139,223,255,.2)}.summary-item{display:flex;flex-direction:column;gap:var(--space-1);text-align:center}.summary-label{font-size:.8125rem;color:var(--color-text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.summary-value{font-size:1.5rem;font-weight:700;color:var(--color-text-dark)}.preview-breakdown{margin-top:var(--space-6)}.progress-container{margin:var(--space-6) 0}.progress-bar{width:100%;height:12px;background:#e2e8f0;border-radius:var(--radius-lg);overflow:hidden;margin-bottom:var(--space-3)}.progress-fill{height:100%;background:var(--color-brand-gradient);border-radius:var(--radius-lg);transition:width .3s ease;box-shadow:0 2px 8px #7d64ff4d}.progress-text{text-align:center;font-size:.875rem;color:var(--color-text-dark);font-weight:600}.success-message{display:flex;align-items:flex-start;gap:var(--space-4);padding:var(--space-6);background:linear-gradient(135deg,#10b9811a,#0596691a);border-radius:var(--radius-xl);border:1px solid rgba(16,185,129,.2);margin:var(--space-6) 0}.success-icon{width:48px;height:48px;border-radius:50%;background:var(--color-success);color:#fff;display:grid;place-items:center;font-size:1.5rem;font-weight:700;flex-shrink:0}.success-text{flex:1}.success-text strong{display:block;font-size:1.125rem;color:var(--color-text-dark);margin-bottom:var(--space-2)}.success-text p{margin:0;color:var(--color-text-muted);font-size:.9375rem;line-height:1.6}.tool-layout{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-6);align-items:start}@media(max-width:900px){.tool-layout{grid-template-columns:1fr}}.reorder-list{display:flex;flex-direction:column;gap:var(--space-3);margin:var(--space-6) 0}.reorder-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);background:#fff;border:2px solid var(--color-border-light);border-radius:var(--radius-lg);cursor:move;transition:all var(--transition-base);position:relative}.reorder-item:hover{border-color:var(--color-brand-primary);box-shadow:var(--shadow-md);transform:translateY(-1px)}.reorder-item.dragging{opacity:.5;transform:scale(.98)}.reorder-item.drag-over{border-color:var(--color-brand-primary);background:#8bdfff1a;transform:translate(8px)}.reorder-handle{font-size:1.25rem;color:var(--color-text-muted);cursor:grab;-webkit-user-select:none;user-select:none;flex-shrink:0}.reorder-handle:active{cursor:grabbing}.reorder-number{width:32px;height:32px;border-radius:50%;background:var(--color-brand-gradient);color:var(--color-text-dark);display:grid;place-items:center;font-weight:700;font-size:.875rem;flex-shrink:0;box-shadow:var(--shadow-sm)}.reorder-item .file-icon{font-size:1.5rem;flex-shrink:0}.reorder-item .file-details{flex:1;min-width:0;text-align:left}.reorder-item .file-name{font-weight:600;color:var(--color-text-dark);font-size:.9375rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reorder-item .file-size{font-size:.8125rem;color:var(--color-text-muted);margin-top:2px}.reorder-item .file-remove{width:32px;height:32px;border-radius:50%;border:none;background:var(--color-error);color:#fff;font-size:1.25rem;cursor:pointer;display:grid;place-items:center;transition:all var(--transition-base);flex-shrink:0;line-height:1;padding:0}.reorder-item .file-remove:hover{background:#dc2626;transform:scale(1.1)}