:root{--color-paper: #F5F0E6;--color-paper-light: #FAF8F3;--color-paper-dark: #E8E0D0;--color-ink: #1A1A1A;--color-ink-soft: #3D3D3D;--color-ink-muted: #6B6B6B;--color-copper: #B87333;--color-copper-light: #D4A574;--color-copper-dark: #8B5A2B;--color-success: #2D6A4F;--color-success-light: #40916C;--color-warning: #BC6C25;--color-warning-light: #DDA15E;--color-error: #9B2226;--color-error-light: #AE2012;--font-display: "Playfair Display", Georgia, serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 3px rgba(26, 26, 26, .08);--shadow-md: 0 4px 12px rgba(26, 26, 26, .1);--shadow-lg: 0 8px 30px rgba(26, 26, 26, .12);--shadow-pressed: inset 0 2px 4px rgba(26, 26, 26, .15);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-body);font-size:1rem;line-height:1.6;color:var(--color-ink);background-color:var(--color-paper);min-height:100vh;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:600;line-height:1.2}button{font-family:inherit;cursor:pointer;border:none;background:none}input,select{font-family:inherit;font-size:1rem}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;padding:var(--space-xl);overflow:hidden}.hero-texture{position:absolute;top:0;right:0;bottom:0;left:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");opacity:.03;pointer-events:none}.hero-content{position:relative;z-index:1;text-align:center;max-width:600px;width:100%}.logo-placeholder{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);margin-bottom:var(--space-lg);opacity:.7}.logo-icon{font-size:1.5rem;color:var(--color-copper)}.logo-text{font-family:var(--font-body);font-size:.75rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--color-ink-muted)}.hero-title{font-size:clamp(2rem,5vw,3.5rem);font-weight:700;color:var(--color-ink);margin-bottom:var(--space-sm)}.hero-subtitle{font-size:1.125rem;color:var(--color-ink-muted);margin-bottom:var(--space-2xl)}.upload-zone{background:var(--color-paper-light);border:2px dashed var(--color-copper-light);border-radius:var(--radius-lg);padding:var(--space-3xl) var(--space-xl);cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.upload-zone:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,var(--color-copper) 0%,var(--color-copper-dark) 100%);opacity:0;transition:opacity var(--transition-base)}.upload-zone:hover{border-color:var(--color-copper);transform:translateY(-2px);box-shadow:var(--shadow-md)}.upload-zone:hover:before{opacity:.03}.upload-zone.dragover{border-color:var(--color-copper);border-style:solid;background:var(--color-paper);transform:scale(1.02)}.upload-zone.dragover:before{opacity:.08}.upload-icon{color:var(--color-copper);margin-bottom:var(--space-md);transition:transform var(--transition-base)}.upload-zone:hover .upload-icon{transform:translateY(-4px)}.upload-title{font-size:1.5rem;font-weight:600;color:var(--color-ink);margin-bottom:var(--space-xs)}.upload-hint{color:var(--color-ink-muted);margin-bottom:var(--space-md)}.upload-formats{font-size:.875rem;color:var(--color-ink-muted);opacity:.7}.quick-tips{display:flex;flex-wrap:wrap;gap:var(--space-sm);justify-content:center;margin-top:var(--space-xl)}.tip-btn{padding:var(--space-sm) var(--space-md);font-size:.875rem;color:var(--color-ink-soft);border:1px solid var(--color-paper-dark);border-radius:999px;background:var(--color-paper-light);transition:all var(--transition-fast)}.tip-btn:hover{border-color:var(--color-copper);color:var(--color-copper-dark);background:var(--color-paper)}.dashboard{display:none;padding:var(--space-xl);max-width:1400px;margin:0 auto;min-height:100vh}.dashboard.active{display:block;animation:fadeIn var(--transition-slow) ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.dashboard-header{display:flex;align-items:center;gap:var(--space-lg);margin-bottom:var(--space-xl)}.back-btn{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);color:var(--color-ink-muted);border-radius:var(--radius-md);transition:all var(--transition-fast)}.back-btn:hover{color:var(--color-ink);background:var(--color-paper-dark)}.dashboard-title{font-size:1.75rem;color:var(--color-ink)}.dashboard-grid{display:grid;grid-template-columns:1fr 360px;grid-template-rows:auto auto;gap:var(--space-lg)}@media (max-width: 1024px){.dashboard-grid{grid-template-columns:1fr}}.preview-panel{grid-row:span 2;background:var(--color-paper-light);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-sm)}.preview-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md);flex-wrap:wrap;gap:var(--space-sm)}.preview-header h3{font-size:1rem;font-weight:600;color:var(--color-ink-soft)}.preview-controls{display:flex;gap:var(--space-xs);background:var(--color-paper-dark);padding:3px;border-radius:var(--radius-md)}.preview-ctrl{padding:var(--space-xs) var(--space-md);font-size:.8125rem;color:var(--color-ink-muted);border-radius:var(--radius-sm);transition:all var(--transition-fast)}.preview-ctrl:hover{color:var(--color-ink)}.preview-ctrl.active{background:var(--color-paper-light);color:var(--color-ink);box-shadow:var(--shadow-sm)}.view-toggles{display:flex;background:var(--color-paper-dark);padding:4px;border-radius:var(--radius-md);gap:4px}.zoom-controls{display:flex;align-items:center;background:var(--color-paper-dark);padding:4px 12px;border-radius:var(--radius-md);gap:var(--space-sm);color:var(--color-text-dim)}.zoom-controls button{background:transparent;border:1px solid transparent;padding:4px;cursor:pointer;color:var(--color-text);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:all .2s cubic-bezier(.4,0,.2,1)}.zoom-controls button:hover{background:var(--color-paper-dark);border-color:#0000001a;color:var(--color-primary);transform:translateY(-1px)}.zoom-controls button:active{transform:translateY(0)}#zoomLevel{min-width:55px;text-align:center;font-family:var(--font-mono);font-size:.85rem;font-weight:700;color:var(--color-primary)}.preview-canvas-wrapper{position:relative;background:#fff;border-radius:var(--radius-md);height:65vh;min-height:450px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--color-paper-dark);cursor:grab}.preview-canvas-wrapper:active{cursor:grabbing}#previewCanvas{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;background:#fff;transition:transform .1s ease-out;transform-origin:center center;-webkit-user-select:none;user-select:none;pointer-events:none}.canvas-loader{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-md);background:#ffffffe6;opacity:0;visibility:hidden;transition:all var(--transition-base)}.canvas-loader.active{opacity:1;visibility:visible}.spinner{width:40px;height:40px;border:3px solid var(--color-paper-dark);border-top-color:var(--color-copper);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.preview-info{display:flex;justify-content:space-between;margin-top:var(--space-md);font-size:.875rem;color:var(--color-ink-muted)}.results-panel{background:var(--color-paper-light);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-sm)}.results-panel h3{font-size:1rem;font-weight:600;color:var(--color-ink-soft);margin-bottom:var(--space-lg)}.check-list{display:flex;flex-direction:column;gap:var(--space-sm)}.check-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--color-paper);border-radius:var(--radius-md);transition:all var(--transition-fast)}.check-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.check-icon svg{display:none}.check-icon.pending .icon-pending{display:block;color:var(--color-ink-muted)}.check-icon.pass .icon-pass{display:block;color:var(--color-success)}.check-icon.fail .icon-fail{display:block;color:var(--color-error)}.check-icon.warn .icon-warn{display:block;color:var(--color-warning)}.check-content{flex:1;min-width:0}.check-content h4{font-family:var(--font-body);font-size:.875rem;font-weight:600;color:var(--color-ink);margin-bottom:2px}.check-status{font-size:.8125rem;color:var(--color-ink-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.check-help{width:24px;height:24px;font-size:.75rem;font-weight:600;color:var(--color-ink-muted);background:var(--color-paper-dark);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);flex-shrink:0}.check-help:hover{background:var(--color-copper);color:#fff}.overall-status{margin-top:var(--space-lg);padding-top:var(--space-lg);border-top:1px solid var(--color-paper-dark)}.status-badge{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);font-weight:600;font-size:.9375rem}.status-badge.pending{background:var(--color-paper-dark);color:var(--color-ink-muted)}.status-badge.pass{background:#2d6a4f1a;color:var(--color-success)}.status-badge.fail{background:#9b22261a;color:var(--color-error)}.status-badge.warn{background:#bc6c251a;color:var(--color-warning)}.status-icon{font-size:1rem}.settings-panel{background:var(--color-paper-light);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-sm)}.settings-panel h3{font-size:1rem;font-weight:600;color:var(--color-ink-soft);margin-bottom:var(--space-lg)}.setting-group{margin-bottom:var(--space-lg)}.setting-group:last-child{margin-bottom:0}.setting-group>label{display:block;font-size:.8125rem;font-weight:500;color:var(--color-ink-soft);margin-bottom:var(--space-sm)}.setting-group select{width:100%;padding:var(--space-sm) var(--space-md);border:1px solid var(--color-paper-dark);border-radius:var(--radius-md);background:var(--color-paper);color:var(--color-ink);transition:border-color var(--transition-fast)}.setting-group select:focus{outline:none;border-color:var(--color-copper)}.custom-size,.custom-size.active{display:block}.size-inputs{display:flex;align-items:flex-end;gap:var(--space-sm)}.size-input{flex:1;position:relative}.size-input label{display:block;font-size:.75rem;color:var(--color-ink-muted);margin-bottom:var(--space-xs)}.size-input input{width:100%;padding:var(--space-sm);padding-right:var(--space-xl);border:1px solid var(--color-paper-dark);border-radius:var(--radius-md);background:var(--color-paper)}.size-input input:focus{outline:none;border-color:var(--color-copper)}.size-input .unit{position:absolute;right:var(--space-sm);bottom:var(--space-sm);font-size:.8125rem;color:var(--color-ink-muted)}.size-x{font-size:1.25rem;color:var(--color-ink-muted);padding-bottom:var(--space-sm)}.swap-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;margin-top:var(--space-lg);font-size:1.25rem;color:var(--color-ink-muted);background:var(--color-paper);border:1px solid var(--color-paper-dark);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.swap-btn:hover{background:var(--color-copper-light);border-color:var(--color-copper);color:#fff}.bleed-display{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--color-paper);border-radius:var(--radius-md);border:1px solid var(--color-paper-dark)}.bleed-value{font-weight:600;color:var(--color-ink)}.bleed-note{font-size:.8125rem;color:var(--color-ink-muted)}.checkboxes{display:flex;flex-direction:column;gap:var(--space-sm)}.checkbox-label{display:flex;align-items:center;gap:var(--space-sm);cursor:pointer;font-size:.875rem;color:var(--color-ink-soft)}.checkbox-label input{display:none}.checkbox-custom{width:18px;height:18px;border:2px solid var(--color-paper-dark);border-radius:var(--radius-sm);position:relative;transition:all var(--transition-fast)}.checkbox-label:hover .checkbox-custom{border-color:var(--color-copper-light)}.checkbox-label input:checked+.checkbox-custom{background:var(--color-copper);border-color:var(--color-copper)}.checkbox-label input:checked+.checkbox-custom:after{content:"";position:absolute;left:5px;top:2px;width:4px;height:8px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg)}.actions{display:flex;gap:var(--space-md);justify-content:center;margin-top:var(--space-xl);padding-top:var(--space-xl);border-top:1px solid var(--color-paper-dark)}.btn{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);font-size:1rem;font-weight:600;border-radius:var(--radius-md);transition:all var(--transition-fast)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--color-copper) 0%,var(--color-copper-dark) 100%);color:#fff;box-shadow:0 4px 15px #b873334d}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #b8733366}.btn-primary:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-pressed)}.btn-secondary{background:var(--color-paper);color:var(--color-ink-soft);border:1px solid var(--color-paper-dark)}.btn-secondary:hover:not(:disabled){border-color:var(--color-ink-muted);color:var(--color-ink)}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:var(--space-xl);opacity:0;visibility:hidden;transition:all var(--transition-base)}.modal.active{opacity:1;visibility:visible}.modal-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#1a1a1a99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{position:relative;background:var(--color-paper-light);border-radius:var(--radius-lg);max-width:600px;width:100%;max-height:80vh;overflow-y:auto;box-shadow:var(--shadow-lg);transform:translateY(20px);transition:transform var(--transition-base)}.modal.active .modal-content{transform:translateY(0)}.modal-close{position:absolute;top:var(--space-md);right:var(--space-md);width:32px;height:32px;font-size:1.5rem;color:var(--color-ink-muted);display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.modal-close:hover{background:var(--color-paper-dark);color:var(--color-ink)}.modal-body{padding:var(--space-xl)}.modal-body h2{font-size:1.5rem;margin-bottom:var(--space-md);color:var(--color-ink)}.modal-body p{color:var(--color-ink-soft);margin-bottom:var(--space-md)}.modal-body ul{list-style:none;margin-bottom:var(--space-md)}.modal-body li{padding:var(--space-sm) 0;padding-left:var(--space-lg);position:relative;color:var(--color-ink-soft)}.modal-body li:before{content:"→";position:absolute;left:0;color:var(--color-copper)}.modal-body code{background:var(--color-paper);padding:2px 6px;border-radius:var(--radius-sm);font-size:.875rem;color:var(--color-copper-dark)}.modal-body .steps{background:var(--color-paper);border-radius:var(--radius-md);padding:var(--space-lg);margin:var(--space-lg) 0}.modal-body .steps h4{font-family:var(--font-body);font-size:.875rem;font-weight:600;color:var(--color-copper-dark);margin-bottom:var(--space-sm)}.modal-body .steps ol{padding-left:var(--space-lg);color:var(--color-ink-soft)}.modal-body .steps li{padding:var(--space-xs) 0}.modal-body .steps li:before{content:none}.fix-panel{position:fixed;top:0;right:0;width:100%;max-width:480px;height:100vh;background:var(--color-paper-light);box-shadow:-8px 0 30px #1a1a1a26;z-index:1001;transform:translate(100%);transition:transform var(--transition-base);overflow-y:auto}.fix-panel.active{transform:translate(0)}.fix-panel-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);border-bottom:1px solid var(--color-paper-dark);position:sticky;top:0;background:var(--color-paper-light)}.fix-panel-header h3{font-size:1.25rem;color:var(--color-ink)}.fix-panel-close{width:32px;height:32px;font-size:1.5rem;color:var(--color-ink-muted);display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm)}.fix-panel-close:hover{background:var(--color-paper-dark);color:var(--color-ink)}.fix-panel-body{padding:var(--space-lg)}.fix-section{margin-bottom:var(--space-xl);padding-bottom:var(--space-xl);border-bottom:1px solid var(--color-paper-dark)}.fix-section:last-child{border-bottom:none}.fix-section h4{display:flex;align-items:center;gap:var(--space-sm);font-size:1rem;font-family:var(--font-body);font-weight:600;margin-bottom:var(--space-md)}.fix-section h4 .status-dot{width:10px;height:10px;border-radius:50%}.fix-section h4 .status-dot.fail{background:var(--color-error)}.fix-section h4 .status-dot.warn{background:var(--color-warning)}.fix-section p{color:var(--color-ink-soft);font-size:.9375rem;margin-bottom:var(--space-md)}.fix-steps{background:var(--color-paper);border-radius:var(--radius-md);padding:var(--space-md)}.fix-steps h5{font-family:var(--font-body);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-copper);margin-bottom:var(--space-sm)}.fix-steps ol{padding-left:var(--space-lg);font-size:.9375rem;color:var(--color-ink-soft)}.fix-steps li{padding:var(--space-xs) 0}.toast-container{position:fixed;bottom:var(--space-xl);right:var(--space-xl);z-index:1002;display:flex;flex-direction:column;gap:var(--space-sm)}.toast{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--color-ink);color:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);animation:slideIn var(--transition-base) ease}@keyframes slideIn{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}.toast.success{background:var(--color-success)}.toast.error{background:var(--color-error)}.toast.warning{background:var(--color-warning)}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}@media (max-width: 768px){.hero{padding:var(--space-lg)}.upload-zone{padding:var(--space-xl) var(--space-lg)}.dashboard{padding:var(--space-md)}.dashboard-header,.preview-header{flex-direction:column;align-items:flex-start}.actions{flex-direction:column}.btn{width:100%;justify-content:center}}