:root{--bg:#07111c;--bg2:#0a1624;--panel:#0e1c2b;--panel2:#112336;--text:#f4f8fb;--muted:#8ea2b7;--line:#20364a;--blue:#5c8dff;--green:#25cc88;--sun:#f6bf3a;--purple:#9b86ff;--shadow:0 18px 55px #0004}html[data-theme=light]{--bg:#edf4f8;--bg2:#f6f9fb;--panel:#fff;--panel2:#f6fafc;--text:#12202d;--muted:#687b8c;--line:#dbe6ed;--shadow:0 18px 45px #28415518}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{height:100vh;position:sticky;top:0;padding:24px 18px;background:linear-gradient(var(--bg2),var(--bg));border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:12px;padding:2px 8px 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/* SolarFlow 1.3 */
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