:root{--primary:#315efb;--primary-2:#2449c9;--bg:#f4f7fb;--surface:#fff;--text:#14213d;--muted:#667085;--line:#e4e9f2;--success:#12805c;--danger:#c9362b;--warning:#a15c00;--shadow:0 12px 35px rgba(35,55,95,.08)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.app-shell{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:270px;background:#0d1733;color:#dbe4ff;display:flex;flex-direction:column;padding:22px 16px;z-index:30;overflow:auto}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:0 8px 22px}.sidebar-brand 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