:root{--color-bg:#f0f1f3;--color-card:#fff;--color-card-alt:#fcfcfd;--color-border:#ecedef;--color-border-strong:#e0e2e6;--color-blue:#2b7fff;--color-blue-light:#eaf1fe;--color-text:#111827;--color-text-muted:#9ca3af;--color-text-secondary:#6b7280;--color-text-dark-gray:#4b5563;--color-green:#22a83b;--color-green-bg:#d7f5dd;--color-red:#dc2626;--color-gray-pill:#e5e7eb;--radius-lg:24px;--radius-md:20px;--radius-sm:16px;--radius-xs:14px;font-family:-apple-system,BlinkMacSystemFont,SF Pro,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{background:var(--color-bg);height:100%;color:var(--color-text);margin:0;padding:0}body{-webkit-tap-highlight-color:transparent}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.app-shell{background:var(--color-card);flex-direction:column;max-width:480px;min-height:100vh;margin:0 auto;display:flex;position:relative}.page-content{flex:1;padding:20px 16px 100px}.card{background:var(--color-card-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:18px}.section-label{color:var(--color-text-muted);margin-bottom:8px;font-size:13px;font-weight:600;display:block}.field{border:1px solid var(--color-border-strong);border-radius:var(--radius-xs);color:var(--color-text);background:#fff;justify-content:space-between;align-items:center;padding:14px 16px;font-size:16px;font-weight:500;display:flex}.btn-primary{background:var(--color-blue);color:#fff;border-radius:var(--radius-xs);text-align:center;width:100%;padding:16px;font-size:16px;font-weight:600}.btn-primary:active{opacity:.85}.btn-primary:disabled{opacity:.6;cursor:default}.bottom-nav{border-top:1px solid var(--color-border);width:100%;max-width:480px;height:72px;padding-bottom:env(safe-area-inset-bottom,0);background:#fff;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottom-nav a{color:var(--color-text-muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:4px;font-size:12px;font-weight:500;text-decoration:none;display:flex}.bottom-nav a.active{color:var(--color-blue)}.bottom-nav img{opacity:.55;width:24px;height:24px}.bottom-nav a.active img{opacity:1}.progress-track{background:var(--color-gray-pill);border-radius:999px;width:100%;height:12px;overflow:hidden}.progress-fill{background:var(--color-blue);border-radius:999px;height:100%;transition:width .3s}.pill{border-radius:12px;padding:6px 14px;font-size:13px;font-weight:600;display:inline-block}.pill-inactive{background:var(--color-gray-pill);color:var(--color-text-secondary)}.pill-active{background:var(--color-green-bg);color:var(--color-green)}.spinner{color:var(--color-text-muted);justify-content:center;align-items:center;padding:60px 0;font-size:14px;display:flex}.message-text{font-size:17px;line-height:1.7}.message-word{color:var(--color-text);cursor:pointer;border-radius:6px;transition:background-color .15s}.message-word--selected{background:var(--color-blue-light);box-shadow:0 0 0 3px var(--color-blue-light)}.fade-swap{animation:.22s fade-in}@keyframes fade-in{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}.skeleton-line{background:linear-gradient(90deg, var(--color-border) 25%, var(--color-border-strong) 37%, var(--color-border) 63%);background-size:400% 100%;border-radius:7px;height:14px;margin-bottom:12px;animation:1.3s ease-in-out infinite shimmer}.skeleton-line:last-child{margin-bottom:0}@keyframes shimmer{0%{background-position:100%}to{background-position:0}}@media (prefers-reduced-motion:reduce){.fade-swap,.skeleton-line{animation:none}}.error-wrong{color:var(--color-red);font-weight:700}.error-fixed{color:var(--color-green);text-underline-offset:3px;text-decoration:underline}.score-grid{grid-template-columns:1fr 1fr;gap:16px 20px;display:grid}.btn-secondary{background:var(--color-blue-light);width:100%;color:var(--color-blue);border-radius:var(--radius-xs);text-align:center;padding:14px;font-size:15px;font-weight:600}.btn-secondary:active{opacity:.85}.btn-secondary:disabled{opacity:.6;cursor:default}.btn-danger{background:var(--color-red);color:#fff;border-radius:var(--radius-xs);text-align:center;width:100%;padding:16px;font-size:16px;font-weight:600}.btn-success{background:var(--color-green);color:#fff;border-radius:var(--radius-xs);text-align:center;width:100%;padding:16px;font-size:16px;font-weight:600}.btn-danger:active,.btn-success:active{opacity:.85}.btn-danger:disabled,.btn-success:disabled{opacity:.6;cursor:default}.segmented{background:var(--color-gray-pill);border-radius:var(--radius-xs);gap:4px;margin-bottom:16px;padding:4px;display:flex}.segmented-item{color:var(--color-text-secondary);border-radius:11px;flex:1;padding:10px 8px;font-size:14px;font-weight:600}.segmented-item.active{color:var(--color-text);background:#fff;box-shadow:0 1px 3px #00000014}.page-content--rating{padding-bottom:164px}.rating-list{transition:opacity .15s}.rating-row{border-radius:var(--radius-xs);align-items:center;gap:12px;padding:10px 12px;display:flex}.rating-row+.rating-row{border-top:1px solid var(--color-border)}.rating-row--me{background:var(--color-blue-light);border-top-color:#0000}.rating-rank{text-align:center;width:28px;color:var(--color-text-muted);font-variant-numeric:tabular-nums;flex-shrink:0;font-size:15px;font-weight:700}.rating-rank--medal{font-size:20px}.rating-avatar{object-fit:cover;background:var(--color-gray-pill);border-radius:50%;flex-shrink:0;width:36px;height:36px}.rating-avatar--letter{color:var(--color-text-secondary);justify-content:center;align-items:center;font-size:15px;font-weight:700;display:flex}.rating-name{text-overflow:ellipsis;white-space:nowrap;font-size:15px;font-weight:600;overflow:hidden}.rating-level{color:var(--color-text-muted);font-size:12px}.rating-xp{font-variant-numeric:tabular-nums;flex-shrink:0;font-size:14px;font-weight:700}.rating-me{width:100%;max-width:480px;padding:8px 16px calc(8px + env(safe-area-inset-bottom,0px));background:var(--color-blue-light);border-top:1px solid var(--color-border);position:fixed;bottom:72px;left:50%;transform:translate(-50%)}.pager{color:var(--color-text-secondary);justify-content:center;align-items:center;gap:24px;margin-top:16px;font-size:14px;font-weight:600;display:flex}.pager button{color:var(--color-blue);background:var(--color-blue-light);border-radius:10px;padding:6px 16px;font-size:18px}.modal-backdrop{z-index:60;background:#00000059;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal-card{border-radius:var(--radius-md);background:#fff;width:100%;max-width:380px;padding:22px;box-shadow:0 12px 32px #0000002e}