:root{--bg: #ffffff;--surface: #F4F6FF;--card-bg: #ffffff;--border: #e5e7eb;--text-main: #101010;--text-muted: #636B7D;--primary: #4156FF}@media (prefers-color-scheme: dark){:root{--bg: #1F1F28;--surface: #262A37;--card-bg: #2C2F3E;--border: #3D4052;--text-main: #E1E3E7;--text-muted: #A0A3AC;--shadow: rgba(0,0,0,.6);--primary: #6475FF}}body{margin:0;background-color:var(--bg);color:var(--text-main);font-family:system-ui,Avenir,Helvetica,Arial,sans-serif}a{font-weight:500;color:#646cff;text-decoration:none}a:hover{color:#535bf2}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}@media (prefers-color-scheme: light){:root{--bg: #ffffff;--text-main: #213547}button{background-color:#f9f9f9}}