*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-tertiary: #252525;--text-primary: #f5f5f5;--text-secondary: #a0a0a0;--text-muted: #6a6a6a;--accent: #d4a373;--success: #b8bb26;--success-glow: rgba(184, 187, 38, .4);--border: #383838;--scanner-idle: rgba(160, 160, 160, .5);--scanner-active: rgba(184, 187, 38, .95)}html,body,#app{height:100%;overflow:hidden;touch-action:manipulation}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg-primary);color:var(--text-primary)}#app{display:flex;flex-direction:column}header{padding:10px 12px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0;gap:10px}.logo{font-family:ui-monospace,SF Mono,Cascadia 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