@import"https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.8/dist/web/static/pretendard.css";*{margin:0;padding:0;box-sizing:border-box}body{font-family:Pretendard,system-ui,sans-serif;min-height:100vh;color:#333}.container{max-width:400px;margin:0 auto;padding:20px}.card{background:#fff;border-radius:12px;padding:32px;box-shadow:0 10px 25px #0000001a}.btn-primary{background:#3b82f6;color:#fff;border:none;border-radius:8px;padding:12px 24px;font-size:16px;font-weight:600;cursor:pointer;width:100%;transition:background .2s}.btn-primary:hover{background:#2563eb}.btn-primary:disabled{background:#9ca3af;cursor:not-allowed}.btn-social{display:flex;align-items:center;justify-content:center;gap:12px;background:#fff;border:1px solid #d1d5db;border-radius:8px;padding:12px 24px;font-size:16px;font-weight:500;cursor:pointer;width:100%;margin-bottom:12px;transition:all .2s}.btn-social:hover{background:#f9fafb;border-color:#9ca3af}.error-message{background:#fef2f2;color:#dc2626;padding:12px;border-radius:8px;margin-bottom:16px;font-size:14px}.loading-spinner{border:2px solid #f3f3f3;border-top:2px solid #3b82f6;border-radius:50%;width:20px;height:20px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}