:root{--text-primary: #141414;--text-secondary: #616366;--btn-primary-bg: #1967ba;--btn-primary-bg-active: #15589e;--btn-primary-text: #ffffff;--btn-secondary-bg: #edeff2;--btn-secondary-text: #1967ba;--header-bg: #ffffff;--header-text: #111827;--icon: #1967ba;--page-bg: #f4f4f6;--card-bg: #ffffff;--success: #4caf50;--danger: #e54e4e}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:var(--page-bg);color:var(--text-primary);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none}.shell{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px 16px calc(24px + env(safe-area-inset-bottom))}.card{width:100%;max-width:420px;background:var(--card-bg);border-radius:16px;padding:32px 24px;text-align:center;box-shadow:0 2px 16px #14141414}.logo{max-height:40px;max-width:160px;margin:0 auto 24px;display:block;object-fit:contain}.icon{width:72px;height:72px;margin:0 auto 20px;display:block}.title{margin:0 0 8px;font-size:22px;font-weight:700;line-height:1.3}.body{margin:0;font-size:15px;line-height:1.5;color:var(--text-secondary)}.body+.body{margin-top:12px}.hint{margin:20px 0 0;font-size:13px;line-height:1.5;color:var(--text-secondary);text-align:left}.hint li+li{margin-top:6px}.actions{margin-top:28px;display:flex;flex-direction:column;gap:12px}.button{appearance:none;border:0;border-radius:10px;padding:15px 20px;font-family:inherit;font-size:16px;font-weight:600;cursor:pointer;user-select:none;-webkit-tap-highlight-color:transparent}.button--primary{background:var(--btn-primary-bg);color:var(--btn-primary-text)}.button--primary:active{background:var(--btn-primary-bg-active)}.button--secondary{background:var(--btn-secondary-bg);color:var(--btn-secondary-text)}.button:disabled{opacity:.55;cursor:default}.spinner{width:40px;height:40px;margin:8px auto 20px;border:3px solid var(--btn-secondary-bg);border-top-color:var(--icon);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.spinner{animation-duration:2.4s}}[hidden]{display:none!important}