.auth-modal-overlay{background-color:var(--overlay-bg);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9999;padding:var(--spacing-lg);justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.auth-modal-container{background-color:var(--bg-color);width:100%;max-width:420px;padding:var(--spacing-4xl)40px;box-shadow:0 25px 50px -12px var(--shadow-deep);background-image:linear-gradient(135deg,transparent 0%,var(--texture-white-subtle)50%,transparent 100%),url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");border-radius:12px;animation:.3s slideUp;position:relative}[data-theme=dark] .auth-modal-container{background-image:linear-gradient(135deg,transparent 0%,var(--texture-white-faint)50%,transparent 100%),url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E")}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.auth-modal-close{top:var(--spacing-md);right:var(--spacing-md);width:40px;height:40px;color:var(--text-tertiary);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;transition:all .2s;display:flex;position:absolute}.auth-modal-close:hover{background-color:var(--hover-bg);color:var(--text-color)}.auth-modal-logo{text-align:center;margin-bottom:var(--spacing-xs)}.auth-modal-logo span{letter-spacing:-.05em;color:var(--text-color);font-size:1.5rem}.auth-modal-title{text-align:center;color:var(--text-color);margin-bottom:var(--spacing-xs);letter-spacing:-.02em;font-family:Noto Serif KR,serif;font-size:1.5rem;font-weight:400}.auth-modal-subtitle{text-align:center;color:var(--text-tertiary);margin-bottom:var(--spacing-2xl);font-family:Pretendard,sans-serif;font-size:.9rem}.auth-modal-error{background-color:var(--error-color-10);border:1px solid var(--error-color);color:var(--error-color);padding:var(--spacing-sm)16px;margin-bottom:var(--spacing-lg);text-align:center;border-radius:8px;font-size:.875rem}.auth-modal-message{background-color:var(--success-color-10);border:1px solid var(--success-color);color:var(--success-color);padding:var(--spacing-sm)16px;margin-bottom:var(--spacing-lg);text-align:center;border-radius:8px;font-size:.875rem}.auth-btn-twitter{background-color:var(--auth-twitter-bg);width:100%;color:var(--auth-twitter-text);font-family:var(--font-sans),"Pretendard",sans-serif;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:10px;padding:14px 20px;font-size:.95rem;font-weight:500;transition:all .2s;display:flex}.auth-btn-twitter:hover:not(:disabled){box-shadow:0 4px 12px var(--shadow-strong);transform:translateY(-1px)}.auth-btn-twitter:disabled{opacity:.6;cursor:not-allowed}.auth-divider{margin:var(--spacing-xl)0;align-items:center;gap:var(--spacing-md);display:flex}.auth-divider:before,.auth-divider:after{content:"";background-color:var(--border-color);flex:1;height:1px}.auth-divider span{color:var(--text-tertiary);font-family:Pretendard,sans-serif;font-size:.8rem}.auth-input-group{margin-bottom:var(--spacing-md)}.auth-input-group label{color:var(--text-secondary);margin-bottom:var(--spacing-xs);font-family:Pretendard,sans-serif;font-size:.875rem;font-weight:500;display:block}.auth-input{background-color:var(--hover-bg);border:1px solid var(--border-color);width:100%;color:var(--text-color);border-radius:8px;padding:14px 16px;font-family:Pretendard,sans-serif;font-size:.95rem;transition:all .2s}.auth-input::placeholder{color:var(--text-tertiary)}.auth-input:focus{border-color:var(--text-color);background-color:var(--bg-color);outline:none}.auth-btn-primary{background-color:var(--text-color);width:100%;color:var(--bg-color);cursor:pointer;margin-top:var(--spacing-xs);border:none;border-radius:8px;padding:14px 20px;font-family:Pretendard,sans-serif;font-size:.95rem;font-weight:500;transition:all .2s}.auth-btn-primary:hover:not(:disabled){opacity:.9}.auth-btn-primary:disabled{opacity:.6;cursor:not-allowed}.auth-mode-switch{text-align:center;margin-top:var(--spacing-xl)}.auth-mode-switch p{color:var(--text-secondary);font-family:Pretendard,sans-serif;font-size:.875rem}.auth-mode-switch button{color:var(--text-color);cursor:pointer;text-underline-offset:2px;background:0 0;border:none;font-weight:600;text-decoration:underline}.auth-mode-switch button:hover{opacity:.7}.auth-terms{color:var(--text-tertiary);text-align:center;margin-top:var(--spacing-lg);font-family:Pretendard,sans-serif;font-size:.75rem;line-height:1.6}.auth-terms a{color:var(--text-secondary);text-underline-offset:2px;text-decoration:underline}@media (max-width:480px){.auth-modal-container{padding:var(--spacing-3xl)24px;border-radius:16px 16px 0 0;max-width:none;animation:.3s slideUpMobile;position:fixed;bottom:0;left:0;right:0}@keyframes slideUpMobile{0%{transform:translateY(100%)}to{transform:translateY(0)}}.auth-modal-title{font-size:1.3rem}}.verify-age-page{min-height:100vh;padding:var(--spacing-3xl)20px;background-color:var(--bg-color);justify-content:center;align-items:center;display:flex}.verify-age-container{background-color:var(--bg-color);border:1px solid var(--border-color);width:100%;max-width:480px;padding:var(--spacing-4xl)40px;box-shadow:0 4px 24px var(--shadow-light);background-image:linear-gradient(135deg,transparent 0%,var(--texture-white-subtle)50%,transparent 100%),url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");border-radius:16px}[data-theme=dark] .verify-age-container{box-shadow:0 4px 24px var(--shadow-strong);background-image:linear-gradient(135deg,transparent 0%,var(--texture-white-faint)50%,transparent 100%),url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E")}.verify-age-header{text-align:center;margin-bottom:var(--spacing-2xl)}.verify-age-logo{margin-bottom:var(--spacing-md);text-decoration:none;display:inline-block}.verify-age-logo span{color:var(--text-color);letter-spacing:-.05em;font-family:Noto Serif KR,serif;font-size:1.5rem}.verify-age-title{color:var(--text-color);letter-spacing:-.02em;margin:0 0 8px;font-family:Noto Serif KR,serif;font-size:1.5rem;font-weight:500}.verify-age-subtitle{color:var(--text-tertiary);margin:0;font-family:Pretendard,sans-serif;font-size:.9rem;line-height:1.5}.verify-age-notice{background-color:var(--bg-secondary);border:1px solid var(--border-color);padding:var(--spacing-xl);margin-bottom:var(--spacing-xl);text-align:center;border-radius:12px}.verify-age-notice .notice-icon{background-color:var(--bg-color);border:1px solid var(--border-color);width:56px;height:56px;color:var(--text-secondary);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 16px;display:flex}.verify-age-notice h3{color:var(--text-color);margin:0 0 8px;font-family:Noto Serif KR,serif;font-size:1.1rem;font-weight:500}.verify-age-notice p{color:var(--text-secondary);margin:0;font-family:Pretendard,sans-serif;font-size:.875rem;line-height:1.6}.verify-age-user-info{background-color:var(--hover-bg);padding:var(--spacing-md);margin-bottom:var(--spacing-xl);border-radius:8px}.verify-age-user-info .info-row{padding:var(--spacing-xs)0;justify-content:space-between;align-items:center;display:flex}.verify-age-user-info .info-row:not(:last-child){border-bottom:1px solid var(--border-color)}.verify-age-user-info .info-label{color:var(--text-tertiary);font-family:Pretendard,sans-serif;font-size:.85rem}.verify-age-user-info .info-value{color:var(--text-color);font-family:Pretendard,sans-serif;font-size:.9rem;font-weight:500}.verify-age-methods{margin-bottom:var(--spacing-xl)}.verify-age-methods h4{color:var(--text-secondary);margin:0 0 12px;font-family:Pretendard,sans-serif;font-size:.85rem;font-weight:600}.verify-method-btn{align-items:center;gap:var(--spacing-md);width:100%;padding:var(--spacing-md)20px;background-color:var(--button-bg);color:var(--button-text);cursor:pointer;border:none;border-radius:10px;transition:all .2s;display:flex}.verify-method-btn:hover:not(:disabled){opacity:.9;box-shadow:0 4px 12px var(--shadow-elevated);transform:translateY(-1px)}.verify-method-btn:disabled{opacity:.6;cursor:not-allowed}.verify-method-btn .method-info{text-align:left;flex:1}.verify-method-btn .method-title{font-family:Pretendard,sans-serif;font-size:.95rem;font-weight:600;display:block}.verify-method-btn .method-desc{opacity:.8;margin-top:2px;font-family:Pretendard,sans-serif;font-size:.8rem;display:block}.verify-age-info{background-color:var(--bg-secondary);padding:var(--spacing-md)20px;margin-bottom:var(--spacing-xl);border-radius:8px}.verify-age-info h5{color:var(--text-secondary);margin:0 0 8px;font-family:Pretendard,sans-serif;font-size:.8rem;font-weight:600}.verify-age-info ul{margin:0;padding:0;list-style:none}.verify-age-info li{color:var(--text-tertiary);padding-left:var(--spacing-md);font-family:Pretendard,sans-serif;font-size:.8rem;line-height:1.6;position:relative}.verify-age-info li:before{content:"•";color:var(--text-tertiary);position:absolute;left:0}.verify-age-processing{text-align:center;padding:var(--spacing-4xl)20px}.processing-spinner{border:3px solid var(--border-color);border-top-color:var(--text-color);border-radius:50%;width:40px;height:40px;margin:0 auto 20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.verify-age-processing h3{color:var(--text-color);margin:0 0 8px;font-family:Noto Serif KR,serif;font-size:1.2rem;font-weight:500}.verify-age-processing p{color:var(--text-tertiary);margin:0;font-family:Pretendard,sans-serif;font-size:.9rem}.verify-age-complete{text-align:center;padding:var(--spacing-4xl)20px}.verify-age-complete .complete-icon{background-color:var(--bg-secondary);width:72px;height:72px;color:var(--success-color);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 20px;display:flex}.verify-age-complete h3{color:var(--text-color);margin:0 0 12px;font-family:Noto Serif KR,serif;font-size:1.3rem;font-weight:500}.verify-age-complete p{color:var(--text-secondary);margin:0 0 8px;font-family:Pretendard,sans-serif;font-size:.9rem;line-height:1.5}.verify-age-complete .redirect-notice{color:var(--text-tertiary);font-size:.85rem}.verify-age-footer{text-align:center;padding-top:var(--spacing-md);border-top:1px solid var(--border-color)}.verify-age-footer .skip-link{color:var(--text-tertiary);font-family:Pretendard,sans-serif;font-size:.875rem;text-decoration:none;transition:color .2s}.verify-age-footer .skip-link:hover{color:var(--text-secondary);text-underline-offset:2px;text-decoration:underline}.auth-alert{padding:var(--spacing-sm)16px;margin-bottom:var(--spacing-lg);border-radius:8px;align-items:center;gap:10px;font-family:Pretendard,sans-serif;font-size:.875rem;display:flex}.auth-alert-error{background-color:var(--danger-color-10);border:1px solid var(--error-color);color:var(--error-color)}@media (max-width:540px){.verify-age-page{padding:var(--spacing-lg)16px;padding-top:var(--spacing-5xl);align-items:flex-start}.verify-age-container{padding:var(--spacing-2xl)24px;border-radius:12px}.verify-age-title{font-size:1.3rem}.verify-age-notice{padding:var(--spacing-lg)16px}.verify-method-btn{padding:14px 16px}}.identity-bridge-overlay{background-color:var(--overlay-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:9999;padding:var(--spacing-lg);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.identity-bridge-container{background-color:var(--bg-color);width:100%;max-width:480px;padding:var(--spacing-4xl)40px;text-align:center;box-shadow:0 25px 50px -12px var(--shadow-color);border-radius:16px;animation:.3s slideUp;position:relative}.identity-bridge-icon{background-color:var(--hover-bg);width:72px;height:72px;color:var(--text-color);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 24px;display:flex}.identity-bridge-title{font-family:var(--font-serif),"Noto Serif KR",serif;color:var(--text-color);margin-bottom:var(--spacing-sm);letter-spacing:-.02em;font-size:1.5rem;font-weight:400}.identity-bridge-description{font-family:var(--font-sans),"Pretendard",sans-serif;color:var(--text-secondary);margin-bottom:var(--spacing-2xl);font-size:.95rem;line-height:1.7}.identity-bridge-age-badge{padding:var(--spacing-xs)16px;background-color:var(--hover-bg);border:1px solid var(--border-color);font-family:var(--font-sans),"Pretendard",sans-serif;color:var(--text-color);margin-bottom:var(--spacing-xl);border-radius:20px;align-items:center;gap:6px;font-size:.875rem;font-weight:600;display:inline-flex}.identity-bridge-age-badge.age-15{background-color:var(--warning-color-10);border-color:var(--warning-color);color:var(--warning-color)}.identity-bridge-age-badge.age-18{background-color:var(--danger-color-10);border-color:var(--error-color);color:var(--error-color)}[data-theme=dark] .identity-bridge-age-badge.age-15{background-color:var(--warning-color-10);color:var(--warning-color)}[data-theme=dark] .identity-bridge-age-badge.age-18{background-color:var(--danger-color-15);color:var(--error-color)}.identity-bridge-btn-verify{width:100%;padding:var(--spacing-md)24px;background-color:var(--text-color);color:var(--bg-color);font-family:var(--font-sans),"Pretendard",sans-serif;cursor:pointer;margin-bottom:var(--spacing-sm);border:none;border-radius:8px;font-size:1rem;font-weight:500;transition:all .2s}.identity-bridge-btn-verify:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}.identity-bridge-btn-verify:disabled{opacity:.6;cursor:not-allowed}.identity-bridge-btn-cancel{width:100%;color:var(--text-secondary);border:1px solid var(--border-color);font-family:var(--font-sans),"Pretendard",sans-serif;cursor:pointer;background-color:#0000;border-radius:8px;padding:14px 24px;font-size:.95rem;transition:all .2s}.identity-bridge-btn-cancel:hover{background-color:var(--hover-bg);color:var(--text-color)}.identity-bridge-notice{margin-top:var(--spacing-xl);padding:var(--spacing-md);background-color:var(--hover-bg);font-family:var(--font-sans),"Pretendard",sans-serif;color:var(--text-tertiary);text-align:left;border-radius:8px;font-size:.8rem;line-height:1.6}.identity-bridge-notice strong{color:var(--text-secondary);font-weight:600}@media (max-width:480px){.identity-bridge-container{padding:var(--spacing-3xl)24px}.identity-bridge-icon{width:60px;height:60px}.identity-bridge-title{font-size:1.3rem}}.nickname-setup-banner{gap:var(--spacing-md);padding:var(--spacing-md)20px;background:linear-gradient(135deg,var(--primary-color-10)0%,var(--bg-secondary)100%);border:1px solid var(--primary-color-20);margin-bottom:var(--spacing-xl);border-radius:12px;display:flex}.nickname-setup-banner .banner-icon{background-color:var(--primary-color-10);width:40px;height:40px;color:var(--primary-color);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.nickname-setup-banner .banner-content{flex:1}.nickname-setup-banner .banner-title{font-family:var(--font-sans),"Pretendard",sans-serif;color:var(--text-color);margin:0 0 6px;font-size:.95rem;font-weight:600}.nickname-setup-banner .banner-description{font-family:var(--font-sans),"Pretendard",sans-serif;color:var(--text-secondary);margin:0;font-size:.85rem;line-height:1.5}.nickname-input-wrapper{align-items:center;display:flex;position:relative}.nickname-input-wrapper .settings-input{padding-right:var(--spacing-3xl)}.nickname-validation-indicator{right:var(--spacing-sm);justify-content:center;align-items:center;display:flex;position:absolute}.nickname-validation-indicator .indicator.checking{color:var(--text-tertiary)}.nickname-validation-indicator .indicator.valid{color:var(--success-color)}.nickname-validation-indicator .indicator.invalid{color:var(--error-color)}.nickname-validation-indicator .spinner{animation:1s linear infinite spin}.settings-input.valid{border-color:var(--success-color)}.settings-input.valid:focus{box-shadow:0 0 0 2px var(--success-color-20);outline:none}.settings-field-validation{font-family:var(--font-sans),"Pretendard",sans-serif;align-items:center;gap:4px;margin:6px 0 0;font-size:.8rem;display:flex}.settings-field-validation.valid{color:var(--success-color)}.settings-field-validation.invalid{color:var(--error-color)}.settings-field-validation.checking{color:var(--text-tertiary)}.settings-field-cooldown{font-family:var(--font-sans),"Pretendard",sans-serif;color:var(--warning-color);margin:var(--spacing-xs)0 0;padding:var(--spacing-xs)12px;background-color:var(--warning-color-10);border-radius:6px;align-items:center;gap:6px;font-size:.8rem;display:flex}.settings-field-success{font-family:var(--font-sans),"Pretendard",sans-serif;color:var(--success-color);margin:var(--spacing-xs)0 0;padding:var(--spacing-xs)12px;background-color:var(--success-color-10);border-radius:6px;font-size:.85rem}@media (max-width:640px){.nickname-setup-banner{text-align:center;padding:var(--spacing-lg);flex-direction:column;align-items:center}.nickname-setup-banner .banner-icon{margin-bottom:var(--spacing-xs)}}