:root{--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--surface-muted: #efefef;--text-primary: #111111;--text-inverted: #ffffff;--text-muted: #999999;--btn-primary-bg: #111111;--btn-primary-text: #ffffff;--btn-primary-hover-bg: #000000;--btn-secondary-bg: #f0f0f0;--btn-secondary-text: #111111;--btn-secondary-hover-bg: #e0e0e0;--btn-secondary-active-bg: #d0d0d0;--border-1: #f0f0f0;--border-2: #e0e0e0;--border-3: #d0d0d0;--border-radius: .5rem;--shadow-color: rgba(255, 255, 255, .15);--node-shadow-color: rgba(0, 0, 0, .2)}.dark-theme{--bg-primary: #000000;--bg-secondary: #121212;--surface-muted: #1c1c1e;--btn-primary-bg: #1a1a1a;--btn-primary-text: #ffffff;--btn-primary-hover-bg: #2c2c2e;--btn-secondary-bg: #2c2c2e;--btn-secondary-text: #ffffff;--btn-secondary-hover-bg: #3a3a3c;--btn-secondary-active-bg: #48484a;--text-primary: #ffffff;--text-inverted: #000000;--text-muted: #888888;--border-1: #2c2c2e;--border-2: #3a3a3c;--border-3: #48484a;--shadow-color: rgba(0, 0, 0, .4);--node-shadow-color: rgba(255, 255, 255, .2)}*{box-sizing:border-box}body{background-color:var(--bg-primary);font-family:Poppins,sans-serif;font-optical-sizing:auto;margin:0;padding:0;color:var(--text-primary);scrollbar-color:var(--border-2) var(--bg-primary)}body::-webkit-scrollbar{width:8px}body::-webkit-scrollbar-thumb{background-color:var(--surface-muted);border-radius:4px}body::-webkit-scrollbar-track{background-color:var(--bg-primary)}h1,h2,h3,h4,h5,h6{line-height:1.5;margin:0}