:root{--color-slate: #564E61;--color-magenta: #E2195D;--color-blue: #3B93D0;--color-yellow: #FBB900;--color-green: #9FC52F;--color-white: #FFFFFF;--color-off-white: #F7F7FA;--color-border: #E6E3EA;--color-muted: #7A7286;--color-bg-dark: #1F1A26;--primary-color: var(--color-blue);--secondary-color: var(--color-magenta);--accent-color: var(--color-yellow);--success-color: var(--color-green);--text-main: var(--color-slate);--text-muted: var(--color-muted);--bg-app: var(--color-off-white);--bg-surface: var(--color-white);--border-color: var(--color-border);--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 24px;--space-2xl: 32px;--radius-card: 12px;--radius-modal: 16px;--radius-pill: 999px;--font-family: "Inter", system-ui, -apple-system, sans-serif;font-family:var(--font-family);line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;justify-content:center;background-color:var(--bg-app);color:var(--text-main)}#root{width:100%;max-width:100%;margin:0;padding:0;text-align:center}.app-container{display:flex;flex-direction:column;height:100vh;width:100%;max-width:600px;margin:0 auto;background-color:var(--bg-app)}.app-header{padding:var(--space-lg);background:var(--bg-surface);border-bottom:1px solid var(--border-color);z-index:10;display:flex;justify-content:center;align-items:center}.app-logo{height:48px;width:auto;display:block}.app-main{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:var(--space-2xl) var(--space-lg);position:relative}.start-screen{display:flex;flex-direction:column;align-items:center;gap:var(--space-xl);animation:fadeIn .5s ease-out;width:100%}.icon-placeholder{width:140px;height:140px;background:var(--bg-surface);border-radius:var(--radius-modal);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px #1f1a261a;border:1px solid var(--border-color)}.qr-icon{width:64px;height:64px;color:var(--primary-color)}.instruction{font-size:1.125rem;color:var(--text-muted);max-width:280px;font-weight:500}.start-btn{background-color:var(--primary-color);border:none;border-radius:var(--radius-pill);height:52px;padding:0 var(--space-2xl);font-size:1.125rem;font-weight:600;color:var(--color-white);cursor:pointer;box-shadow:0 4px 12px #3b93d04d;transition:transform .2s,background-color .2s;display:flex;align-items:center;justify-content:center;min-width:200px}.start-btn:hover{filter:brightness(.95)}.start-btn:active{transform:scale(.98)}.scanner-screen{width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:var(--space-xl)}.scanner-container{width:100%;aspect-ratio:1;max-width:350px;position:relative;overflow:hidden;border-radius:var(--radius-modal);background:#000;box-shadow:0 10px 30px #0003}#qr-reader{width:100%;height:100%;object-fit:cover}.scanner-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:flex;align-items:center;justify-content:center}.active-scan-box{width:70%;height:70%;border:2px solid rgba(255,255,255,.4);border-radius:var(--radius-card);position:relative;box-shadow:0 0 0 9999px #0009}.active-scan-box:after{content:"";position:absolute;inset:-2px;border:2px solid var(--secondary-color);border-radius:var(--radius-card);animation:pulse-border 2s infinite;opacity:.8}.cancel-btn{background:transparent;border:1px solid var(--color-slate);color:var(--color-slate);height:44px;padding:0 var(--space-xl);border-radius:var(--radius-pill);cursor:pointer;font-size:1rem;font-weight:500;transition:all .2s}.cancel-btn:hover{background:#564e610d}.error-message{color:#d33b3b;padding:var(--space-lg);text-align:center;font-weight:500}@keyframes pulse-border{0%{transform:scale(1);opacity:.5}50%{transform:scale(1.02);opacity:1}to{transform:scale(1);opacity:.5}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}