.auth-container{background-color:var(--background);justify-content:center;align-items:center;min-height:calc(100vh - 140px);padding:40px 20px;display:flex}.auth-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;width:100%;max-width:480px;padding:48px;box-shadow:0 4px 20px #0000000d}.auth-title{text-align:center;margin-bottom:12px;font-size:2rem;font-weight:800}.auth-subtitle{text-align:center;color:var(--text-muted,#666);margin-bottom:32px;font-size:1rem}.auth-form{flex-direction:column;gap:24px;display:flex}.form-group{flex-direction:column;gap:8px;display:flex}.form-group label{font-size:.9rem;font-weight:600}.form-group input{border:1px solid var(--border-color,#eaeaea);background:var(--input-bg,#fff);color:var(--foreground,#333);border-radius:8px;padding:14px 16px;font-size:1rem;transition:border-color .2s}.form-group input:focus{border-color:var(--primary,#0056b3);outline:none}.auth-error{color:#e53e3e;text-align:center;margin-top:-8px;font-size:.875rem}.auth-success{color:#38a169;text-align:center;margin-top:-8px;font-size:.875rem}.auth-submit-btn{background:var(--primary,#0056b3);color:#fff;cursor:pointer;border:none;border-radius:8px;margin-top:8px;padding:16px;font-size:1.125rem;font-weight:700;transition:background .2s,opacity .2s}.auth-submit-btn:hover:not(:disabled){opacity:.9}.auth-submit-btn:disabled{opacity:.6;cursor:not-allowed}.auth-divider-container{text-align:center;align-items:center;margin:32px 0;display:flex}.auth-divider-line{border-bottom:1px solid var(--border-color,#eaeaea);flex:1}.auth-divider-text{color:var(--text-muted,#888);padding:0 16px;font-size:.875rem}.social-login-group{flex-direction:column;gap:12px;display:flex}.social-btn{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:14px 16px;font-size:1rem;font-weight:600;transition:all .2s;display:flex}.social-btn .social-icon{font-size:1.2rem;font-weight:700}.kakao-btn{color:#000;background-color:#fee500}.kakao-btn:hover{background-color:#f4dc00}.google-btn{color:#333;background-color:#fff;border:1px solid #dcdcdc}.google-btn:hover{background-color:#f9f9f9}.auth-links{color:var(--text-muted,#666);justify-content:center;align-items:center;gap:12px;margin-top:24px;font-size:.9rem;display:flex}.auth-links a{color:var(--text-muted,#666);text-decoration:none;transition:color .2s}.auth-links a:hover{color:var(--primary,#0056b3)}.auth-primary-link{font-weight:600;color:var(--primary,#0056b3)!important}.auth-divider{color:var(--border-color,#eaeaea)}@media (max-width:600px){.auth-card{padding:32px 24px}}