:root{--sidebar-bg: #1a1d29;--sidebar-hover: #272b3d;--sidebar-active: #4f46e5;--sidebar-text: #c9cdd8;--accent: #4f46e5;--accent-hover: #4338ca;--bg: #ffffff;--text: #1d1c1d;--muted: #6b7280;--border: #e5e7eb;--badge: #dc2626;--online: #22c55e}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;color:var(--text);font-size:15px}button{font-family:inherit;cursor:pointer}.app{display:flex;height:100vh;overflow:hidden}.center-screen{height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px}.muted{color:var(--muted)}.muted-italic{color:var(--muted);font-style:italic}.pad{padding:16px}.auth-bg{background:linear-gradient(135deg,#1a1d29,#2d3250)}.auth-card{background:#fff;padding:36px;border-radius:12px;width:380px;display:flex;flex-direction:column;gap:12px;box-shadow:0 20px 60px 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