:root{--bg-base:#0a0a0f;--bg-surface:#141419;--bg-elevated:#1e1e25;--bg-card:rgba(20,20,25,.7);--fg-primary:#fafafa;--fg-secondary:#a1a1aa;--fg-muted:#71717a;--heart-self:#c084fc;--heart-others:#34d399;--heart-world:#60a5fa;--accent:#8b5cf6;--accent-glow:rgba(139,92,246,.15);--border-subtle:hsla(0,0%,100%,.06);--border-light:hsla(0,0%,100%,.1);--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px;--max-width:1200px;--header-height:72px}*{margin:0;padding:0;box-sizing:border-box}html{color-scheme:dark;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-base);color:var(--fg-primary);min-height:100vh;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;outline:none}img{max-width:100%;display:block}::selection{background:rgba(139,92,246,.3);color:var(--fg-primary)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-base)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--fg-muted)}