:root{--bg:#0b1118;--panel:#111b25;--panel2:#15212c;--line:#233342;--muted:#8293a2;--text:#eaf1f6;--blue:#4c9aff;--green:#4bd1a0;--red:#f07979}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px system-ui,sans-serif}button,input,select{font:inherit}.hidden{display:none!important}.shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:245px;background:#0d151d;border-right:1px solid var(--line);padding:25px 16px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;padding:0 10px 34px}.brand b{font:700 17px system-ui}.brand small{display:block;color:#718293;font-size:9px;letter-spacing:1.2px;margin-top:3px}.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,#43a0ff,#2262c8);display:grid;place-items:center;color:white;font:800 13px system-ui;box-shadow:0 6px 20px 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