.app{min-height:100vh;display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border-color);background:#030303f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.header .container{display:flex;justify-content:space-between;align-items:center;height:70px;max-width:1200px;margin:0 auto;padding:0 24px}.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--primary)}.logo svg{color:var(--primary)}nav{display:flex;gap:32px}nav a{color:var(--text-muted);text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}nav a:hover{color:var(--text-main)}.main{flex:1;padding:60px 24px}.container{max-width:1200px;margin:0 auto}.upload-section{text-align:center;margin-bottom:80px}.upload-section h1{font-size:56px;font-weight:800;line-height:1.1;margin-bottom:20px;letter-spacing:-2px;background:linear-gradient(135deg,#6366f1,#a855f7,#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-size:20px;color:var(--text-muted);margin-bottom:48px;max-width:600px;margin-left:auto;margin-right:auto}.drop-zone{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:2px dashed var(--border-color);border-radius:20px;padding:60px 40px;margin-bottom:32px;transition:all .3s cubic-bezier(.4,0,.2,1)}@keyframes pulse-border{0%,to{border-color:var(--primary)}50%{border-color:var(--secondary)}}.drop-zone.dragging{animation:pulse-border 1.5s ease-in-out infinite;background:#6366f11a;transform:scale(1.02)}.drop-zone-content{display:flex;flex-direction:column;align-items:center;gap:16px}.drop-zone-content svg{color:var(--text-muted);opacity:.6}.drop-zone-content h3{font-size:20px;font-weight:600;color:var(--text-main)}.drop-zone-content p{font-size:15px;color:var(--text-muted)}.upload-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:32px}.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:12px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);font-family:inherit;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:active:before{width:300px;height:300px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;box-shadow:0 4px 14px #6366f166}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px #6366f180}.btn-secondary{background:#ffffff0d;color:var(--text-main);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:#ffffff1a;border-color:var(--primary)}.btn-text{background:none;border:none;color:var(--text-muted);font-size:14px;font-weight:500;cursor:pointer;padding:8px 16px;border-radius:8px;transition:all .2s;font-family:inherit}.btn-text:hover{color:var(--error);background:#ef44441a}.tips{display:flex;justify-content:center;gap:32px;flex-wrap:wrap}.tip{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted)}.tip svg{color:var(--primary);flex-shrink:0}kbd{background:#ffffff1a;border:1px solid var(--border-color);border-radius:4px;padding:2px 6px;font-size:12px;font-family:SF Mono,Monaco,Consolas,monospace}.history-section{margin-top:80px}.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.history-header h2{font-size:32px;font-weight:700;letter-spacing:-1px}.history-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}.history-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:16px;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1)}.history-card:hover{transform:translateY(-4px);border-color:#6366f166;box-shadow:0 12px 40px #6366f133}.thumbnail{width:100%;height:180px;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;overflow:hidden}.thumbnail img{width:100%;height:100%;object-fit:cover}.card-content{padding:16px}.card-content h4{font-size:15px;font-weight:600;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.meta{font-size:13px;color:var(--text-muted);margin-bottom:12px}.ocr-section{background:#6366f10d;border:1px solid rgba(99,102,241,.2);border-radius:8px;padding:12px;margin-bottom:12px}.ocr-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.ocr-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--primary)}.btn-copy-text{background:#6366f11a;border:1px solid rgba(99,102,241,.3);border-radius:6px;padding:6px 8px;color:var(--primary);cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.btn-copy-text:hover{background:#6366f133;border-color:var(--primary)}.ocr-text{font-family:var(--font-mono);font-size:12px;line-height:1.5;color:var(--text-main);background:#0000004d;border-radius:6px;padding:8px;margin:0;max-height:120px;overflow-y:auto;white-space:pre-wrap;word-break:break-word}.actions{display:flex;gap:8px}.actions button{flex:1;display:flex;align-items:center;justify-content:center;padding:10px;background:#ffffff0d;border:1px solid var(--border-color);border-radius:8px;color:var(--text-main);cursor:pointer;transition:all .2s}.actions button:hover{background:#ffffff1a;border-color:var(--primary);color:var(--primary)}.actions button.btn-delete:hover{background:#ef44441a;border-color:var(--error);color:var(--error)}.toast{position:fixed;bottom:32px;right:32px;display:flex;align-items:center;gap:12px;padding:16px 24px;border-radius:12px;font-size:15px;font-weight:500;box-shadow:0 8px 32px #0006;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:1000;animation:slideIn .3s cubic-bezier(.4,0,.2,1)}.toast-success{background:#10b98126;border:1px solid rgba(16,185,129,.3);color:#10b981}.toast-error{background:#ef444426;border:1px solid rgba(239,68,68,.3);color:#ef4444}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.progress-bar{height:4px;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:2px;transform-origin:left;animation:progress-fill 1s ease-out forwards}@keyframes progress-fill{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.editor-modal{position:fixed;top:0;left:0;right:0;bottom:0;z-index:2000;display:flex;align-items:center;justify-content:center}.editor-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#000000e6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.editor-container{position:relative;z-index:2001;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;overflow:hidden;max-width:95vw;max-height:95vh;display:flex;flex-direction:column}.editor-toolbar{display:flex;justify-content:space-between;align-items:center;padding:16px;background:var(--bg-dark);border-bottom:1px solid var(--border-color)}.toolbar-left,.toolbar-right{display:flex;gap:8px;align-items:center}.tool-btn{display:flex;align-items:center;gap:6px;padding:10px 16px;background:#ffffff0d;border:1px solid var(--border-color);border-radius:8px;color:var(--text-main);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;font-family:inherit}.tool-btn:hover:not(:disabled){background:#ffffff1a;border-color:var(--primary)}.tool-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.tool-btn:disabled{opacity:.4;cursor:not-allowed}.editor-canvas{padding:24px;background:var(--bg-secondary);overflow:auto;display:flex;align-items:center;justify-content:center}@media (max-width: 768px){.upload-section h1{font-size:36px}.subtitle{font-size:18px}.upload-actions{flex-direction:column}.btn{width:100%;justify-content:center}.tips{flex-direction:column;align-items:center}.history-grid{grid-template-columns:1fr}.toast{left:16px;right:16px;bottom:16px}nav{gap:16px;font-size:13px}}*{margin:0;padding:0;box-sizing:border-box}:root{--bg-dark: #030303;--bg-secondary: #09090b;--bg-card: rgba(20, 20, 22, .6);--border-color: rgba(255, 255, 255, .08);--primary: #6366f1;--primary-hover: #4f46e5;--secondary: #a855f7;--text-main: #ffffff;--text-muted: #a1a1aa;--success: #10b981;--error: #ef4444;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.333rem;--font-size-2xl: 1.777rem;--font-size-3xl: 2.369rem;--font-size-4xl: 3.157rem;--font-size-5xl: 4.209rem;--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono: "SF Mono", "Monaco", "Consolas", "Liberation Mono", "Courier New", monospace}body{background-color:var(--bg-dark);color:var(--text-main);font-family:var(--font-sans);font-feature-settings:"cv02","cv03","cv04","cv11";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;line-height:var(--line-height-normal);min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:-20%;left:-10%;width:60%;height:60%;background:radial-gradient(circle,#6366f126,#0000 70%);z-index:-1;pointer-events:none}body:after{content:"";position:fixed;bottom:-20%;right:-10%;width:60%;height:60%;background:radial-gradient(circle,#a855f726,#0000 70%);z-index:-1;pointer-events:none}#root{width:100%;min-height:100vh}