: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-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}.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}