:root{--bg:#0e1823;--panel:#111d29;--panel2:#172432;--line:#253546;--text:#e8f0fa;--muted:#8ea0b4;--blue:#3390ec;--blue2:#2374c9;--bubble:#1d3142;--own:#2d6ca3;--danger:#ef5350;--rail:#0b1520;--topic:#7c5cff}*{box-sizing:border-box}html,body,#app{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);overflow:hidden}.mig-login{height:100%;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 0%,#173351,#0e1823 60%)}.mig-login-card{width:min(390px,100%);border:1px solid var(--line);border-radius:22px;background:rgba(17,29,41,.92);box-shadow:0 24px 80px rgba(0,0,0,.35);padding:28px;text-align:center}.mig-login-logo{width:132px;height:132px;border-radius:34px;object-fit:cover;display:block;margin:0 auto 18px}.mig-login h1{font-size:29px;margin:0 0 4px}.mig-login p{color:var(--muted);margin:0 0 22px}.mig-field{display:block;width:100%;height:48px;border:1px solid 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