:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic,sans-serif}*{box-sizing:border-box}body{margin:0;background:#f5f5f5;color:#222}.screen{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center;gap:16px}.card{background:#fff;border-radius:16px;padding:32px 24px;box-shadow:0 2px 12px #00000014;max-width:360px;width:100%}.title{font-size:20px;font-weight:700;margin:0 0 8px}.lead{font-size:14px;color:#555;line-height:1.6;margin:0 0 20px}.qrWrap{display:flex;justify-content:center;padding:16px;background:#fff;border:1px solid #eee;border-radius:12px;margin-bottom:20px}.userName{font-size:16px;font-weight:600;margin:0 0 4px}.spinner{width:32px;height:32px;border:3px solid #ddd;border-top-color:#06c755;border-radius:50%;animation:spin .8s linear infinite}.error{color:#c0392b;font-size:14px;margin:0 0 12px}.field{display:block;text-align:left;margin-bottom:16px}.fieldLabel{display:block;font-size:13px;font-weight:600;color:#444;margin-bottom:6px}.input{width:100%;height:48px;padding:0 14px;font-size:16px;border:1px solid #ccc;border-radius:10px;background:#fff;color:#222}.input:focus{outline:none;border-color:#06c755;box-shadow:0 0 0 3px #06c75526}.submit{width:100%;height:52px;margin-top:8px;border:none;border-radius:999px;background:#06c755;color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:opacity .2s ease,transform .15s ease}.submit:active:not(:disabled){transform:scale(.98)}.submit:disabled{opacity:.5;cursor:default}@keyframes spin{to{transform:rotate(360deg)}}