:root{--bg-primary: #f8fafc;--bg-secondary: #f1f5f9;--bg-card: #ffffff;--bg-card-hover: #f1f5f9;--bg-elevated: #e2e8f0;--bg-input: #f1f5f9;--text-primary: #1e293b;--text-secondary: #64748b;--text-tertiary: #94a3b8;--text-muted: #cbd5e1;--accent-primary: #3b82f6;--accent-primary-hover: #2563eb;--accent-light: rgba(59, 130, 246, .1);--accent-glow: rgba(59, 130, 246, .15);--success: #10b981;--success-bg: rgba(16, 185, 129, .08);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .08);--error: #ef4444;--error-bg: rgba(239, 68, 68, .08);--border: rgba(148, 163, 184, .25);--border-light: rgba(148, 163, 184, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 50px;--shadow-sm: 0 1px 3px rgba(148, 163, 184, .15);--shadow-md: 0 4px 12px rgba(148, 163, 184, .12);--shadow-lg: 0 8px 32px rgba(148, 163, 184, .15);--shadow-glow: 0 4px 24px rgba(59, 130, 246, .12);--nav-height: 72px;--safe-area-bottom: env(safe-area-inset-bottom, 0px);--safe-area-top: env(safe-area-inset-top, 0px);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden;-webkit-text-size-adjust:100%}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;touch-action:manipulation}#root{height:100%}.app-shell{display:flex;flex-direction:column;height:100%;padding-top:var(--safe-area-top)}.app-content{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;padding-bottom:calc(var(--nav-height) + var(--safe-area-bottom) + 16px)}.page-container{min-height:100%}.page-header{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 12px}.page-header h1{font-size:24px;font-weight:800;letter-spacing:-.5px;color:var(--text-primary)}.header-subtitle{font-size:13px;color:var(--text-secondary);margin-top:2px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:#ffffffeb;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border);padding:8px 0;padding-bottom:calc(8px + var(--safe-area-bottom));z-index:100;height:calc(var(--nav-height) + var(--safe-area-bottom));box-shadow:0 -2px 12px #94a3b814}.nav-tab{display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:none;color:var(--text-tertiary);font-size:11px;font-weight:500;font-family:var(--font);padding:6px 16px;cursor:pointer;transition:all .2s ease;-webkit-tap-highlight-color:transparent}.nav-tab.active{color:var(--accent-primary)}.nav-tab.active svg{filter:drop-shadow(0 0 6px rgba(59,130,246,.3))}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:16px 24px;background:linear-gradient(135deg,var(--accent-primary),#60a5fa);color:#fff;border:none;border-radius:var(--radius-lg);font-size:16px;font-weight:700;font-family:var(--font);cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow-glow);-webkit-tap-highlight-color:transparent}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 60px #6366f140}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 20px;background:transparent;color:var(--text-secondary);border:none;border-radius:var(--radius-md);font-size:14px;font-weight:500;font-family:var(--font);cursor:pointer;margin-top:8px}.btn-text{background:none;border:none;color:var(--accent-primary);font-size:13px;font-weight:600;font-family:var(--font);cursor:pointer}.btn-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer}.btn-danger{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:14px 20px;background:var(--error-bg);color:var(--error);border:1px solid rgba(239,68,68,.2);border-radius:var(--radius-md);font-size:15px;font-weight:600;font-family:var(--font);cursor:pointer;transition:all .2s ease}.btn-danger:hover{background:#ef444426}.btn-send{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:16px 24px;background:linear-gradient(135deg,#10b981,#34d399);color:#fff;border:none;border-radius:var(--radius-lg);font-size:16px;font-weight:700;font-family:var(--font);cursor:pointer;margin-top:16px;transition:all .3s ease;box-shadow:0 0 30px #10b98133}.btn-send:disabled{opacity:.5;cursor:not-allowed}.input-code{width:100%;padding:18px 20px;background:var(--bg-input);border:2px solid var(--border);border-radius:var(--radius-lg);color:var(--text-primary);font-size:28px;font-weight:800;font-family:var(--font);letter-spacing:8px;text-align:center;text-transform:uppercase;outline:none;transition:border-color .3s ease}.input-code:focus{border-color:var(--accent-primary);box-shadow:0 0 0 4px var(--accent-light)}.input-code::placeholder{color:var(--text-muted);letter-spacing:8px}.input-text,.input-notes{width:100%;padding:14px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:15px;font-family:var(--font);outline:none;transition:border-color .3s ease}.input-text:focus,.input-notes:focus{border-color:var(--accent-primary)}.input-text::placeholder,.input-notes::placeholder{color:var(--text-muted)}.link-page{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:24px;position:relative;overflow:hidden}.link-bg-glow{position:absolute;top:-100px;left:50%;transform:translate(-50%);width:400px;height:400px;background:radial-gradient(circle,rgba(59,130,246,.08) 0%,transparent 70%);pointer-events:none;z-index:0}.link-content{position:relative;z-index:1;width:100%;max-width:400px}.link-logo{text-align:center;margin-bottom:40px}.link-logo-icon{display:inline-flex;align-items:center;justify-content:center;width:72px;height:72px;background:linear-gradient(135deg,var(--accent-primary),#60a5fa);border-radius:20px;color:#fff;margin-bottom:16px;box-shadow:var(--shadow-glow)}.link-title{font-size:28px;font-weight:800;letter-spacing:-1px;color:var(--text-primary)}.link-title span{background:linear-gradient(135deg,var(--accent-primary),#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.link-subtitle{font-size:14px;color:var(--text-secondary);margin-top:4px}.link-feature-list{display:flex;flex-direction:column;gap:16px;margin-bottom:32px}.link-feature{display:flex;align-items:flex-start;gap:14px;padding:16px;background:var(--bg-card);border:1px solid 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var(--border);background:var(--bg-card)}.preview-img{width:100%;height:100%;object-fit:cover}.preview-pdf{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;height:100%;color:var(--text-tertiary);font-size:12px;font-weight:600}.preview-info{position:absolute;bottom:0;left:0;right:0;padding:6px 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.2s}.history-card-top{display:flex;align-items:center;gap:12px}.history-card-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;min-width:38px;background:var(--accent-light);border-radius:var(--radius-sm);color:var(--accent-primary)}.history-card-info{flex:1;min-width:0}.history-filename{font-size:13px;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-date{font-size:12px;color:var(--text-tertiary);margin-top:2px}.history-status{display:flex;align-items:center;gap:5px;padding:4px 10px;border-radius:var(--radius-full);font-size:11px;font-weight:600;white-space:nowrap}.history-card-extracted{margin-top:12px;padding-top:12px;border-top:1px solid 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p{font-size:15px;color:var(--text-secondary);font-weight:500}.empty-hint{font-size:13px!important;color:var(--text-tertiary)!important;font-weight:400!important}.page-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:80px 24px;color:var(--text-secondary)}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-dots:after{content:"";animation:dots 1.5s steps(4) infinite}@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::selection{background:var(--accent-light);color:var(--accent-primary)}