:root{--error: #dc3545;--primary: #22c55e;--surface: #ffffff;--surface-hover: #f3f4f6;--surface-hover-darker: #e5e7eb;--text-primary: #1f2937;--text-secondary: #6b7280}:root[data-theme=dark]{--error: #ef4444;--primary: #34d399;--surface: #1f2937;--surface-hover: #374151;--surface-hover-darker: #4b5563;--text-primary: #f3f4f6;--text-secondary: #9ca3af}:root{--background: #f8fafc;--background-gradient-start: #ecfdf5;--background-gradient-end: #f8fafc;--surface: rgba(255, 255, 255, .8);--surface-rgb: 255, 255, 255;--glass: rgba(255, 255, 255, .6);--text-primary: #1f2937;--text-primary-rgb: 31, 41, 55;--text-secondary: #6b7280;--border: rgba(31, 41, 55, .1);--scanner-overlay: rgba(0, 0, 0, .7)}[data-theme=dark]{--background: #111827;--background-gradient-start: #064e3b;--background-gradient-end: #1e293b;--surface: rgba(31, 41, 55, .8);--surface-rgb: 31, 41, 55;--glass: rgba(31, 41, 55, .6);--text-primary: #f9fafb;--text-primary-rgb: 249, 250, 251;--text-secondary: #9ca3af;--border: rgba(255, 255, 255, .1);--scanner-overlay: rgba(0, 0, 0, .9)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--background);color:var(--text-primary);line-height:1.5;transition:background-color .2s ease-in-out,color .2s ease-in-out}.card{background-color:var(--card-bg);border-radius:1rem;box-shadow:0 4px 6px -1px #0000001a;padding:1.5rem;border:1px solid var(--border);transition:all .2s ease-in-out}.button{padding:1rem 2rem;border-radius:.5rem;background-color:var(--primary);color:#fff;border:none;font-weight:600;cursor:pointer;transition:all .2s ease-in-out}.button:hover{filter:brightness(1.1)}.button:active{transform:translateY(1px)}