*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f0f0f0;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}.card{background:#fff;border-radius:20px;box-shadow:0 2px 24px #00000014;width:100%;max-width:900px;display:none;flex-direction:column;align-items:center;text-align:center}.card.visible{display:flex}.sub{font-size:15px;color:#9ca3af;margin-bottom:32px}.sub span{color:#2563eb;font-weight:600}.back-link{margin-top:14px;font-size:14px;color:#9ca3af;cursor:pointer;text-decoration:underline}.back-link:hover{color:#6b7280}.spinner{width:36px;height:36px;border:3px solid #e5e7eb;border-top-color:#2563eb;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.td,.ep-d{width:8px;height:8px;border-radius:50%}.td:nth-child(1),.ep-d:nth-child(1){background:#f87171}.td:nth-child(2),.ep-d:nth-child(2){background:#fbbf24}.td:nth-child(3),.ep-d:nth-child(3){background:#34d399}#authLoading,#authGate,#accessDenied{padding:0;min-height:100vh;max-width:100%;border-radius:0;box-shadow:none;justify-content:center}.auth-shell{width:100%;max-width:560px;display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}.auth-shell h1,.auth-shell h2{font-size:clamp(32px,5vw,56px);font-weight:800;color:#1a1a1a;letter-spacing:-1.5px;line-height:1.05}.auth-shell h2{font-size:clamp(28px,4vw,40px)}.auth-kicker{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:#2563eb}.auth-copy{max-width:540px;font-size:17px;line-height:1.6;color:#6b7280}.auth-copy strong{color:#1f2937}.btn-google{width:100%;max-width:360px;padding:18px 22px;border:1.5px solid #d1d5db;border-radius:12px;background:#fff;color:#1f2937;font-size:17px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:12px;cursor:pointer;transition:border-color .2s,box-shadow .2s,transform .15s}.btn-google:hover{border-color:#9ca3af;box-shadow:0 12px 32px #0f172a14;transform:translateY(-1px)}.btn-google:disabled{opacity:.72;cursor:progress;transform:none}.google-mark{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#4285f4,#34a853 50%,#fbbc05,#ea4335);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:800}.auth-message{min-height:24px;font-size:14px;line-height:1.5}.auth-message:empty{display:none}.auth-message.error{color:#dc2626}.auth-message.info{color:#2563eb}.account-bar{position:fixed;top:20px;right:20px;z-index:20;display:flex;align-items:center;gap:12px;padding:10px 14px;border:1px solid rgba(148,163,184,.25);border-radius:999px;background:#ffffffe6;box-shadow:0 10px 30px #0f172a14;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.account-email{font-size:13px;font-weight:600;color:#1f2937}.account-signout{border:none;background:transparent;color:#2563eb;font-size:13px;font-weight:700;cursor:pointer}.account-signout:hover{color:#1d4ed8}@media(max-width:640px){.auth-shell{padding:0 20px}.auth-copy{font-size:16px}.account-bar{left:16px;right:16px;top:16px;justify-content:space-between}}