@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.login-container{background:linear-gradient(to br,#f8fafc,#f1f5f9,#f0f4f8);justify-content:center;align-items:center;min-height:100vh;padding:2rem 1rem;display:flex;position:relative;overflow:hidden}@media (prefers-color-scheme:dark){.login-container{background:linear-gradient(to br,#0f172a 0%,#1e293b 100%)}}.login-content{text-align:center;width:100%;max-width:28rem;animation:.6s ease-out slideInUp}.back-link{color:#64748b;border:1px solid #0000;border-radius:.75rem;align-items:center;gap:.5rem;margin-bottom:3rem;padding:.75rem 1rem;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .3s;display:inline-flex}.back-link:hover{color:#0ea5e9;background:#0ea5e91a;border-color:#0ea5e933;transform:translate(-2px)}@media (prefers-color-scheme:dark){.back-link{color:#94a3b8}.back-link:hover{color:#0ea5e9;background:#0ea5e926;border-color:#0ea5e94d}}.login-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffb3;border:1px solid #fff3;border-radius:1.5rem;max-width:100%;padding:3rem 2.5rem;animation:.6s ease-out fadeInDown;position:relative;box-shadow:0 8px 32px #0000001a}@media (prefers-color-scheme:dark){.login-card{background:#1e293b99;border:1px solid #94a3b81a}}.login-title{color:#0f172a;letter-spacing:-.01em;background:linear-gradient(135deg,#0ea5e9 0%,#9333ea 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:.5rem;font-size:1.875rem;font-weight:700;line-height:1.2}@media (prefers-color-scheme:dark){.login-title{color:#f1f5f9;background:linear-gradient(135deg,#0ea5e9 0%,#a78bfa 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}}.login-subtitle{color:#64748b;letter-spacing:.3px;margin-bottom:2.5rem;font-size:1rem;font-weight:500}@media (prefers-color-scheme:dark){.login-subtitle{color:#cbd5e1}}.login-error{color:#c00;background-color:#fee5e5;border:1px solid #fcc;border-radius:.75rem;margin-bottom:1.5rem;padding:.75rem;font-size:.875rem}@media (prefers-color-scheme:dark){.login-error{color:#fca5a5;background-color:#dc262626;border-color:#dc26264d}}.login-buttons{flex-direction:column;gap:1rem;margin-bottom:2.5rem;display:flex}.login-btn{cursor:pointer;border:none;border-radius:.875rem;justify-content:center;align-items:center;gap:.75rem;width:100%;padding:1rem 1.5rem;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .3s;display:flex;position:relative}.login-btn-google{color:#1f2937;background:#fffc;border:1px solid #0000001a}.login-btn-google:hover:not(:disabled){background:#fff;border-color:#0ea5e9;transform:translateY(-2px);box-shadow:0 4px 12px #0ea5e933}@media (prefers-color-scheme:dark){.login-btn-google{color:#f1f5f9;background:#1e293bcc;border-color:#94a3b833}.login-btn-google:hover:not(:disabled){background:#334155cc;border-color:#0ea5e9;box-shadow:0 4px 12px #0ea5e933}}.login-btn-kakao{color:#1f2937;background:linear-gradient(135deg,#fee500 0%,#fdd835 100%);border:none;font-weight:600}.login-btn-kakao:hover:not(:disabled){background:linear-gradient(135deg,#fdd835 0%,#fcb900 100%);transform:translateY(-2px);box-shadow:0 4px 12px #fee5004d}.login-btn-naver{color:#fff;background:linear-gradient(135deg,#00c73c 0%,#00b830 100%);border:none;font-weight:600}.login-btn-naver:hover:not(:disabled){background:linear-gradient(135deg,#00b830 0%,#009e27 100%);transform:translateY(-2px);box-shadow:0 4px 12px #00c73c4d}.login-btn:disabled{opacity:.7;cursor:not-allowed}.login-icon{width:1.25rem;height:1.25rem}.login-btn-text{letter-spacing:.3px;font-weight:600}.login-btn-text-bold{margin-right:.5rem;font-size:1.25rem;font-weight:900}.login-info{text-align:center;border-top:1px solid #0000001a;padding-top:2rem}@media (prefers-color-scheme:dark){.login-info{border-top-color:#94a3b833}}.login-info-text{color:#64748b;letter-spacing:.3px;margin:0;font-size:.8125rem;font-weight:400}@media (prefers-color-scheme:dark){.login-info-text{color:#cbd5e1}}.bg-circle,.bg-circle-blue,.bg-circle-red{display:none}.login-terms{border-top:1px solid #0000001a;margin-top:2rem;padding-top:2rem}@media (prefers-color-scheme:dark){.login-terms{border-top-color:#94a3b833}}.login-terms-text{color:#64748b;letter-spacing:.2px;font-size:.8125rem;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){.login-terms-text{color:#cbd5e1}}.login-terms-link{color:#0ea5e9;cursor:pointer;margin:0 .2rem;font-weight:600;text-decoration:none;transition:all .2s}.login-terms-link:hover{color:#0284c7;text-decoration:underline;text-decoration-thickness:1px}@media (prefers-color-scheme:dark){.login-terms-link{color:#0ea5e9}.login-terms-link:hover{color:#38bdf8}}