@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--white: #ffffff;--off-white: #f8fafd;--blue: #2563eb;--blue-dark: #1d4ed8;--blue-hover: #1a44c7;--blue-light: #eff6ff;--blue-mid: #dbeafe;--blue-border: #bfdbfe;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--text: var(--gray-900);--text-sub: var(--gray-500);--text-muted: var(--gray-400);--border: var(--gray-200);--border-dark: var(--gray-300);--surface: var(--white);--bg: #f0f4f9;--red: #dc2626;--red-bg: #fef2f2;--red-border: #fecaca;--green: #16a34a;--green-bg: #f0fdf4;--green-border:#bbf7d0;--radius: 10px;--radius-sm: 8px;--radius-xs: 5px;--radius-lg: 14px;--font-display: "Plus Jakarta Sans", system-ui, sans-serif;--font-body: "DM Sans", system-ui, sans-serif;--font-mono: "SF Mono", "Fira Mono", monospace;--shadow-sm: 0 1px 2px rgba(0,0,0,.04);--shadow: 0 1px 4px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.04);--shadow-blue: 0 4px 14px rgba(37,99,235,.25)}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:14px;line-height:1.5;min-height:100vh}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:4px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-up{animation:fadeUp .22s ease 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svg{width:16px;height:16px;color:var(--white)}.nav-divider{width:1px;height:18px;background:var(--border)}.nav-tagline{font-size:12px;color:var(--text-muted);font-weight:400;display:none}.nav-spacer{flex:1}.nav-badge{font-family:var(--font-mono);font-size:9px;font-weight:700;color:var(--blue);background:var(--blue-light);border:1px solid var(--blue-border);padding:3px 7px;border-radius:20px;letter-spacing:.8px}.tool-selector{position:sticky;top:54px;z-index:100;background:var(--white);border-bottom:1px solid var(--border);padding:10px 12px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.tool-selector::-webkit-scrollbar{display:none}.tool-grid{display:flex;gap:4px;min-width:max-content}.tool-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 10px 7px;border-radius:var(--radius-sm);cursor:pointer;border:1px solid transparent;background:transparent;color:var(--gray-500);font-family:var(--font-display);transition:background .12s,color 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svg{width:22px;height:22px}.panel-title{font-size:18px}}.dropzone{border:1.5px dashed var(--blue-border);border-radius:var(--radius-lg);padding:32px 20px;text-align:center;cursor:pointer;transition:border-color .18s,background .18s,box-shadow .18s;background:linear-gradient(145deg,var(--blue-light),#f0f7ff);display:flex;flex-direction:column;align-items:center;gap:6px;-webkit-tap-highlight-color:transparent;position:relative;overflow:hidden}.dropzone:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 50% 0%,rgba(37,99,235,.06),transparent 70%);pointer-events:none}.dropzone:hover,.dropzone.drag-over{border-color:var(--blue);background:linear-gradient(145deg,var(--blue-mid),var(--blue-light));box-shadow:0 0 0 4px #2563eb14}.dropzone-icon{width:52px;height:52px;background:var(--white);border-radius:14px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px #2563eb24;margin-bottom:6px}.dropzone-icon 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strong{color:var(--gray-700);font-weight:600}.spinner{width:15px;height:15px;border-radius:50%;border:2px solid rgba(255,255,255,.3);border-top-color:var(--white);animation:spin .65s linear infinite;flex-shrink:0}.spinner-blue{border-color:var(--blue-border);border-top-color:var(--blue)}.qr-preview{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;display:flex;align-items:center;justify-content:center;max-width:200px;box-shadow:var(--shadow-md);animation:fadeUp .2s ease forwards}.qr-preview img{width:100%;height:auto;display:block;border-radius:4px}