*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#0a0a0f;--color-bg-2:#0f0f1a;--color-surface:#ffffff0a;--color-surface-hover:#ffffff12;--color-border:#ffffff14;--color-border-strong:#ffffff26;--color-primary:#6c8ef5;--color-primary-glow:#6c8ef540;--color-primary-dark:#4a6cd4;--color-success:#4ade80;--color-success-glow:#4ade8033;--color-warning:#f59e0b;--color-danger:#f87171;--color-text:#f0f0f8;--color-text-muted:#8b8ba7;--color-text-faint:#ffffff4d;--font-body:"Inter", system-ui, -apple-system, sans-serif;--font-mono:"Roboto Mono", "Courier New", monospace;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 3px #0006;--shadow-md:0 4px 16px #00000080;--shadow-lg:0 8px 32px #0009;--shadow-glow:0 0 40px #6c8ef526;--transition:all .2s cubic-bezier(.4, 0, .2, 1)}html,body{height:100%;font-family:var(--font-body);background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:15px;line-height:1.6}#root{flex-direction:column;min-height:100vh;display:flex}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:99px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.app{background:radial-gradient(ellipse 80% 50% at 50% -10%, #6c8ef51f 0%, transparent 70%), var(--color-bg);flex-direction:column;min-height:100vh;display:flex}.app-header{padding:var(--space-4) var(--space-8);border-bottom:1px solid var(--color-border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#0a0a0fcc;justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.app-logo{align-items:center;gap:var(--space-3);color:var(--color-text);text-decoration:none;display:flex}.app-logo-icon{background:linear-gradient(135deg, var(--color-primary), #a78bfa);border-radius:var(--radius-sm);justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;display:flex;box-shadow:0 0 20px #6c8ef54d}.app-logo-text{background:linear-gradient(135deg, #fff, var(--color-primary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:17px;font-weight:700}.app-logo-badge{color:var(--color-text-muted);letter-spacing:.05em;font-size:11px;font-weight:500}.upload-container{padding:var(--space-12) var(--space-8);justify-content:center;align-items:center;gap:var(--space-10);flex-direction:column;flex:1;display:flex}.upload-hero{text-align:center;max-width:560px}.upload-hero h1{letter-spacing:-.03em;margin-bottom:var(--space-4);background:linear-gradient(135deg, #fff 0%, var(--color-primary) 60%, #a78bfa 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:3rem;font-weight:700;line-height:1.15}.upload-hero p{color:var(--color-text-muted);font-size:1.075rem;line-height:1.7}.upload-zone{border:2px dashed var(--color-border-strong);border-radius:var(--radius-xl);width:100%;max-width:560px;padding:var(--space-12) var(--space-8);text-align:center;cursor:pointer;transition:var(--transition);background:var(--color-surface);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:relative;overflow:hidden}.upload-zone:before{content:"";background:radial-gradient(circle at center, var(--color-primary-glow) 0%, transparent 70%);opacity:0;transition:opacity .3s;position:absolute;inset:0}.upload-zone:hover:before,.upload-zone.drag-over:before{opacity:1}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--color-primary);background:#6c8ef50d;transform:translateY(-2px);box-shadow:0 0 40px #6c8ef526,inset 0 0 40px #6c8ef508}.upload-icon{margin-bottom:var(--space-5);filter:drop-shadow(0 0 20px #6c8ef580);font-size:3rem;animation:3s ease-in-out infinite float;display:block}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.upload-title{margin-bottom:var(--space-2);color:var(--color-text);font-size:1.2rem;font-weight:600}.upload-subtitle{color:var(--color-text-muted);margin-bottom:var(--space-6);font-size:.9rem}.upload-btn{align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);background:linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));color:#fff;border-radius:var(--radius-md);font-family:var(--font-body);cursor:pointer;transition:var(--transition);border:none;font-size:.9rem;font-weight:600;display:inline-flex;box-shadow:0 4px 16px #6c8ef54d}.upload-btn:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 6px 24px #6c8ef573}.upload-btn:active{transform:translateY(0)}.upload-hint{margin-top:var(--space-4);color:var(--color-text-faint);font-size:.8rem}.upload-progress{margin-top:var(--space-5);width:100%}.upload-progress-bar{background:var(--color-border);border-radius:99px;height:4px;overflow:hidden}.upload-progress-fill{background:linear-gradient(90deg, var(--color-primary), #a78bfa);border-radius:99px;height:100%;transition:width .3s;box-shadow:0 0 10px #6c8ef580}.upload-progress-text{color:var(--color-text-muted);margin-top:var(--space-2);font-size:.8rem;font-family:var(--font-mono)}.upload-features{gap:var(--space-4);grid-template-columns:repeat(3,1fr);width:100%;max-width:560px;display:grid}.upload-feature{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);text-align:center}.upload-feature-icon{margin-bottom:var(--space-2);font-size:1.5rem}.upload-feature-title{margin-bottom:var(--space-1);font-size:.82rem;font-weight:600}.upload-feature-desc{color:var(--color-text-muted);font-size:.75rem;line-height:1.4}.loading-screen{justify-content:center;align-items:center;gap:var(--space-8);padding:var(--space-12);flex-direction:column;flex:1;display:flex}.loading-spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);filter:drop-shadow(0 0 12px #6c8ef566);border-radius:50%;width:64px;height:64px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-content{text-align:center;max-width:400px}.loading-title{margin-bottom:var(--space-3);background:linear-gradient(135deg, var(--color-text), var(--color-primary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.4rem;font-weight:700}.loading-steps{gap:var(--space-2);flex-direction:column;list-style:none;display:flex}.loading-step{align-items:center;gap:var(--space-3);color:var(--color-text-muted);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);transition:var(--transition);font-size:.9rem;display:flex}.loading-step.active{color:var(--color-primary);background:#6c8ef514}.loading-step.done{color:var(--color-success)}.loading-step-dot{background:currentColor;border-radius:50%;flex-shrink:0;width:8px;height:8px}.loading-step.active .loading-step-dot{animation:1s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}.editor-layout{flex-direction:column;flex:1;height:calc(100vh - 65px);display:flex;overflow:hidden}.toolbar{padding:var(--space-3) var(--space-6);background:var(--color-bg-2);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:var(--space-4);flex-shrink:0;display:flex}.toolbar-left{align-items:center;gap:var(--space-3);display:flex}.toolbar-filename{color:var(--color-text-muted);font-size:.85rem;font-weight:500;font-family:var(--font-mono);background:var(--color-surface);padding:var(--space-1) var(--space-3);border-radius:var(--radius-sm);border:1px solid var(--color-border)}.toolbar-badge{padding:2px var(--space-2);border-radius:99px;font-size:.75rem;font-weight:500}.toolbar-badge.modified{color:var(--color-warning);background:#f59e0b26;border:1px solid #f59e0b4d}.toolbar-badge.saved{color:var(--color-success);background:#4ade801f;border:1px solid #4ade8040}.toolbar-center{align-items:center;gap:var(--space-3);display:flex}.toolbar-page-nav{align-items:center;gap:var(--space-2);color:var(--color-text-muted);font-size:.85rem;display:flex}.btn-icon{border:1px solid var(--color-border);background:var(--color-surface);border-radius:var(--radius-sm);cursor:pointer;width:32px;height:32px;color:var(--color-text-muted);transition:var(--transition);justify-content:center;align-items:center;font-size:14px;display:flex}.btn-icon:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary);background:#6c8ef514}.btn-icon:disabled{opacity:.3;cursor:not-allowed}.toolbar-right{align-items:center;gap:var(--space-3);display:flex}.btn{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);font-family:var(--font-body);cursor:pointer;transition:var(--transition);white-space:nowrap;border:1px solid #0000;font-size:.86rem;font-weight:600;display:inline-flex}.btn-ghost{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text-muted)}.btn-ghost:hover{border-color:var(--color-border-strong);background:var(--color-surface-hover);color:var(--color-text)}.btn-primary{background:linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));color:#fff;box-shadow:0 2px 12px #6c8ef54d}.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 4px 20px #6c8ef573}.btn-primary:active{transform:translateY(0)}.btn-success{color:#fff;background:linear-gradient(135deg,#22c55e,#16a34a);box-shadow:0 2px 12px #4ade8040}.btn-success:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 4px 20px #4ade8066}.btn:disabled{opacity:.5;cursor:not-allowed;filter:none!important;transform:none!important}.editor-canvas-area{padding:var(--space-8) var(--space-6);align-items:center;gap:var(--space-6);background:#1a1a24;flex-direction:column;flex:1;display:flex;overflow:auto}.page-canvas-wrapper{border-radius:var(--radius-sm);background:#fff;position:relative;overflow:hidden;box-shadow:0 8px 48px #000c,0 0 0 1px #ffffff0f}.page-label{color:var(--color-text-faint);font-size:.75rem;font-family:var(--font-mono);letter-spacing:.05em;position:absolute;top:-28px;left:0}.page-image{object-fit:contain;pointer-events:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;display:block}.text-overlay{pointer-events:none;position:absolute;inset:0}.text-input-field{color:#0000;caret-color:var(--color-primary);cursor:text;pointer-events:all;resize:none;box-sizing:border-box;background:0 0;border:1px solid #0000;border-radius:2px;outline:none;padding:0 2px;font-family:inherit;line-height:1.2;transition:border-color .15s,background .15s,color .15s;position:absolute;overflow:hidden}.show-fields .text-input-field:hover{cursor:text;background:#3b82f626;border-style:solid}.show-fields .text-input-field:focus{color:#000;z-index:20;background:#fff;border:2px solid #3b82f6;outline:none;padding-left:2px;transform:scale(1.02);box-shadow:0 0 0 3px #3b82f64d,0 4px 10px #0003}.text-input-field.modified{color:#000;background:#fff;border:2px solid #10b981;padding-left:2px;font-weight:500;box-shadow:0 2px 5px #0000001a}.editor-canvas-area.show-fields .text-input-field{background:#6c8ef50a;border-color:#6c8ef540}.download-success{align-items:center;gap:var(--space-4);padding:var(--space-6);border-radius:var(--radius-lg);text-align:center;background:#4ade8014;border:1px solid #4ade8033;flex-direction:column;display:flex}.download-success-icon{filter:drop-shadow(0 0 16px #4ade8066);font-size:2.5rem}.download-success-title{color:var(--color-success);font-size:1.1rem;font-weight:700}.download-success-desc{color:var(--color-text-muted);font-size:.85rem}.toast-container{bottom:var(--space-6);right:var(--space-6);z-index:999;gap:var(--space-2);pointer-events:none;flex-direction:column;display:flex;position:fixed}.toast{padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:var(--shadow-lg);pointer-events:all;max-width:360px;font-size:.875rem;font-weight:500;animation:.3s cubic-bezier(.4,0,.2,1) slideUp}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.toast.success{color:var(--color-success);background:#142819f2;border:1px solid #4ade804d}.toast.error{color:var(--color-danger);background:#280f0ff2;border:1px solid #f871714d}.toast.info{color:var(--color-primary);background:#0f1428f2;border:1px solid #6c8ef54d}@media (width<=768px){.upload-hero h1{font-size:2rem}.upload-features{grid-template-columns:1fr}.toolbar{gap:var(--space-2);padding:var(--space-2) var(--space-3);flex-wrap:wrap}.toolbar-center{display:none}.app-header{padding:var(--space-3) var(--space-4)}}