.auth-body{background:linear-gradient(135deg,#1b5e20 0%,#2e7d32 50%,#4caf50 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans KR,sans-serif;display:flex}.login-container,.signup-container{width:100%;animation:.6s ease-out fadeInUp}.login-container{max-width:440px}.signup-container{max-width:520px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.login-card,.signup-card{background:#fff;border-radius:24px;padding:48px 40px;box-shadow:0 20px 60px #0000004d}.logo-section,.header-section{text-align:center;margin-bottom:40px}.header-section{margin-bottom:32px}.logo-icon{background:linear-gradient(135deg,#2e7d32,#4caf50);border-radius:20px;justify-content:center;align-items:center;width:80px;height:80px;margin-bottom:16px;font-size:48px;display:inline-flex;box-shadow:0 8px 24px #2e7d324d}.signup-card .logo-icon{border-radius:16px;width:64px;height:64px;font-size:40px}.logo-title{color:#2c3e50;margin-bottom:8px;font-size:32px;font-weight:700}.logo-subtitle{color:#7f8c8d;font-size:14px;font-weight:500}.welcome-text{text-align:center;margin-bottom:32px}.welcome-title,.page-title{color:#2c3e50;margin-bottom:8px;font-size:24px;font-weight:700}.page-title{font-size:28px}.welcome-description,.page-description{color:#7f8c8d;font-size:14px;line-height:1.6}.form-group{margin-bottom:20px}.form-label{color:#2c3e50;margin-bottom:8px;font-size:14px;font-weight:600;display:block}.form-label .required{color:#d32f2f}.form-input{background:#f8f9fa;border:2px solid #e0e6ed;border-radius:12px;width:100%;padding:16px 20px;font-size:15px;transition:all .3s}.form-input:focus{background:#fff;border-color:#2e7d32;outline:none;box-shadow:0 0 0 4px #2e7d321a}.form-input.error{background:#d32f2f0d;border-color:#d32f2f}.form-input::placeholder{color:#bdc3c7}.input-hint{color:#7f8c8d;margin-top:6px;font-size:12px;display:block}.input-error{color:#d32f2f;margin-top:6px;font-size:12px;display:none}.input-error.show{display:block}.password-strength{margin-top:8px}.strength-bar{background:#e0e6ed;border-radius:2px;height:4px;margin-bottom:6px;overflow:hidden}.strength-fill{border-radius:2px;width:0%;height:100%;transition:all .3s}.strength-fill.weak{background:#d32f2f;width:33%}.strength-fill.medium{background:#f57c00;width:66%}.strength-fill.strong{background:#2e7d32;width:100%}.strength-text{color:#7f8c8d;font-size:12px}.form-options{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.checkbox-wrapper{align-items:center;gap:8px;display:flex}.checkbox-input{cursor:pointer;accent-color:#2e7d32;width:18px;height:18px}.checkbox-group .checkbox-input{flex-shrink:0;width:20px;height:20px;margin-top:2px}.checkbox-label{color:#7f8c8d;cursor:pointer;-webkit-user-select:none;user-select:none;font-size:14px}.checkbox-group .checkbox-label{color:#2c3e50;margin-bottom:4px;font-weight:500;display:block}.checkbox-label .required{color:#d32f2f}.forgot-link{color:#2e7d32;font-size:14px;font-weight:600;text-decoration:none;transition:color .2s}.forgot-link:hover{color:#1b5e20;text-decoration:underline}.btn-login,.btn-submit{color:#fff;cursor:pointer;background:linear-gradient(135deg,#2e7d32,#4caf50);border:none;border-radius:12px;width:100%;padding:18px;font-size:16px;font-weight:700;transition:all .3s;box-shadow:0 4px 16px #2e7d324d}.btn-login:hover,.btn-submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px #2e7d3266}.btn-login:active{transform:translateY(0)}.btn-submit:disabled{opacity:.5;cursor:not-allowed}.divider{align-items:center;gap:16px;margin:32px 0;display:flex}.divider-line{background:#e0e6ed;flex:1;height:1px}.divider-text{color:#95a5a6;font-size:13px;font-weight:500}.social-login,.social-buttons{flex-direction:column;gap:12px;margin-bottom:24px;display:flex}.signup-method{margin-bottom:32px}.method-title{color:#2c3e50;text-align:center;margin-bottom:16px;font-size:16px;font-weight:600}.btn-social{cursor:pointer;background:#fff;border:2px solid #e0e6ed;border-radius:12px;justify-content:center;align-items:center;gap:12px;width:100%;padding:16px;font-size:15px;font-weight:600;transition:all .3s;display:flex}.signup-card .btn-social{padding:18px}.btn-social:hover{background:#f8f9fa;border-color:#2e7d32;transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.btn-naver{color:#03c75a}.signup-card .btn-naver{color:#fff;background:#03c75a;border-color:#03c75a}.btn-naver:hover{background:#03c75a0d;border-color:#03c75a}.signup-card .btn-naver:hover{background:#02b350;border-color:#02b350}.btn-kakao{color:#fee500;background:#fee500;border-color:#fee500}.signup-card .btn-kakao{color:#3c1e1e}.btn-kakao:hover{background:#fdd835;border-color:#fdd835}.btn-email{color:#2e7d32;background:#fff;border-color:#2e7d32}.btn-email:hover{background:#2e7d320d}.social-icon{font-size:24px}.signup-section,.login-section{text-align:center;border-top:1px solid #e0e6ed;padding-top:24px}.login-section{margin-top:24px}.signup-text,.login-text{color:#7f8c8d;margin-bottom:8px;font-size:14px}.signup-link,.login-link{color:#2e7d32;font-size:15px;font-weight:700;text-decoration:none;transition:all .2s;display:inline-block}.signup-link:hover{color:#1b5e20;transform:translate(4px)}.login-link:hover{color:#1b5e20;transform:translate(-4px)}.footer-text{text-align:center;color:#fffc;margin-top:24px;font-size:12px}.footer-links{justify-content:center;gap:20px;margin-top:12px;display:flex}.footer-link{color:#ffffffe6;font-size:12px;text-decoration:none;transition:color .2s}.footer-link:hover{color:#fff;text-decoration:underline}.back-button{color:#7f8c8d;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px;font-size:24px;transition:all .2s;position:absolute;top:48px;left:40px}.back-button:hover{color:#2e7d32;background:#f8f9fa}.checkbox-group{margin:24px 0}.checkbox-item{background:#f8f9fa;border-radius:12px;align-items:flex-start;gap:12px;margin-bottom:16px;padding:16px;transition:all .2s;display:flex}.checkbox-item:hover{background:#ecf0f1}.checkbox-content{flex:1}.checkbox-description{color:#7f8c8d;font-size:12px;line-height:1.5}.checkbox-link{color:#2e7d32;cursor:pointer;text-decoration:underline}.email-form{display:none}.email-form.active{animation:.4s ease-out fadeIn;display:block}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media (max-width:480px){.login-card,.signup-card{padding:36px 28px}.logo-icon{width:64px;height:64px;font-size:40px}.logo-title,.page-title{font-size:28px}.welcome-title{font-size:20px}}@media (max-width:576px){.back-button{top:36px;left:28px}}