:root{--color-primary: #8b4512;--color-primary-light: #a0522d;--color-accent: #7d6e4a;--color-bg: #fdfbf7;--color-bg-secondary: #faf6f0;--color-bg-tertiary: #f5efe6;--color-text: #3e352c;--color-text-secondary: #6b5d50;--color-text-tertiary: #8a7d70;--color-text-inverse: #fdfbf7;--color-success: #5a7d4a;--color-error: #b85450;--color-warning: #b8860b;--color-border: #ddd6c8;--color-border-light: #e8e2d8;--color-banner-bg: #e8dfd0;--color-cta-bg: #8b4512;--color-back-button-bg: #8b4512;--color-input-bg: #f5efe6;--color-sidebar-bg: var(--color-banner-bg);--color-sidebar-text: var(--color-text);--color-sidebar-text-muted: var(--color-text-secondary);--color-sidebar-border: var(--color-border);--color-sidebar-item-bg: #fdfcf9;--color-sidebar-item-hover: #f5efe6;--color-sidebar-item-active: #e8dfd0;--color-backdrop: rgba(0, 0, 0, .4);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-xxl: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-round: 9999px}:root[data-theme=dark]{--color-primary: #c9a227;--color-primary-light: #ddb83a;--color-accent: #9a8b6a;--color-bg: #2a2520;--color-bg-secondary: #1f1b18;--color-bg-tertiary: #352f29;--color-text: #e8e2db;--color-text-secondary: #b8ada3;--color-text-tertiary: #8a8075;--color-text-inverse: #1f1b18;--color-success: #6a9a5a;--color-error: #c96a66;--color-warning: #c9a030;--color-border: #4a423b;--color-border-light: #3d3630;--color-banner-bg: #352f29;--color-cta-bg: #a0522d;--color-back-button-bg: #c9a227;--color-input-bg: #2a2520;--color-sidebar-bg: var(--color-banner-bg);--color-sidebar-text: var(--color-text);--color-sidebar-text-muted: var(--color-text-secondary);--color-sidebar-border: var(--color-border);--color-sidebar-item-bg: #2a2520;--color-sidebar-item-hover: #352f29;--color-sidebar-item-active: #3d3630}:root{--font-heading: "Lora", Georgia, "Times New Roman", serif;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-body);font-size:16px;line-height:1.5;color:var(--color-text);background-color:var(--color-bg-secondary);-webkit-font-smoothing:antialiased;transition:background-color .2s ease,color .2s ease;overflow:hidden;height:100dvh;height:100vh}#root{height:100%;min-height:100dvh;min-height:100vh;overflow:hidden;display:flex;flex-direction:column}.top-right-toolbar{position:fixed;top:var(--spacing-md);right:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm);z-index:1000}.top-right-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s;box-shadow:0 2px 8px #00000014}.top-right-btn:hover{background:var(--color-bg-secondary);border-color:var(--color-primary-light)}.top-right-btn-active{background:var(--color-primary)!important;border-color:var(--color-primary)!important;color:var(--color-text-inverse)!important}.top-right-btn svg{width:20px;height:20px}.app-banner{position:fixed;top:0;left:0;right:0;min-height:56px;padding:env(safe-area-inset-top,0px) calc(var(--spacing-md) + env(safe-area-inset-right,0px)) 0 calc(var(--spacing-lg) + env(safe-area-inset-left,0px));display:flex;align-items:center;justify-content:space-between;background:var(--color-banner-bg);border-bottom:1px solid var(--color-border);z-index:1000}.app-banner-left{display:flex;align-items:center;gap:var(--spacing-sm);min-width:0;flex:1}.app-banner-center{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--color-text);font-weight:600;font-size:17px;letter-spacing:.02em;flex-shrink:0;pointer-events:none}.app-banner-back{flex-shrink:0;background:var(--color-back-button-bg)!important;border-color:var(--color-back-button-bg)!important;color:var(--color-text-inverse)!important}.app-banner-back:hover{filter:brightness(1.1)}.app-banner-back svg{stroke:currentColor}.app-banner-title{font-family:var(--font-heading);font-weight:600;text-transform:uppercase;letter-spacing:.14em;white-space:nowrap;font-size:15px}.app-banner-right{display:flex;align-items:center;gap:var(--spacing-md);flex-shrink:0;flex:1;justify-content:flex-end}.app-banner-plan{display:flex;align-items:center;gap:var(--spacing-sm);padding-right:var(--spacing-sm);border-right:1px solid var(--color-border)}.app-banner-plan-label{font-size:14px;font-weight:500;color:var(--color-text-secondary)}.app-banner-upgrade-link{background:none;border:none;font-size:14px;font-weight:600;color:var(--color-primary);cursor:pointer;padding:var(--spacing-xs) 0;transition:color .2s}.app-banner-upgrade-link:hover{color:var(--color-primary-dark, var(--color-primary));text-decoration:underline}.app-banner-dropdown{position:absolute;top:100%;right:0;margin-top:4px;min-width:180px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:0 6px 20px #00000026;z-index:1001;padding:6px}.app-banner-dropdown-item{display:block;width:100%;background:none;border:none;padding:var(--spacing-md) var(--spacing-lg);font-size:14px;font-weight:500;color:var(--color-text);text-align:left;cursor:pointer;border-radius:var(--radius-sm)}.app-banner-dropdown-item:hover{background:var(--color-bg-secondary)}.app-banner-dropdown-item-danger{color:var(--color-error)}.app-banner-dropdown-item-danger:hover{background:#d630311a}.app-below-banner{padding-top:calc(56px + env(safe-area-inset-top,0px));flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.app-below-banner-inner{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.btn{border:none;border-radius:var(--radius-md);cursor:pointer;font-weight:600;transition:opacity .2s}.btn:disabled{cursor:not-allowed;opacity:.6}.btn-primary{background:var(--color-cta-bg);color:var(--color-text-inverse);box-shadow:0 2px 8px #0000001f}.btn-secondary{background:var(--color-primary-light);color:var(--color-text-inverse)}.btn-outline{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-text{background:transparent;color:var(--color-primary);border:none;box-shadow:none}.btn-small{padding:var(--spacing-sm) var(--spacing-md);min-height:40px;font-size:14px}.btn-medium{padding:var(--spacing-sm) var(--spacing-md);min-height:44px;font-size:14px}@media(min-width:480px){.btn-medium{padding:var(--spacing-md) var(--spacing-lg);min-height:48px;font-size:16px}}.btn-large{padding:var(--spacing-md) var(--spacing-lg);min-height:48px;font-size:16px}@media(min-width:480px){.btn-large{padding:var(--spacing-lg) var(--spacing-xl);min-height:56px;font-size:18px}}.btn-full{width:100%}.btn-disabled{background:var(--color-text-tertiary)}.btn-spinner{display:inline-block;width:20px;height:20px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.input-container{margin-bottom:var(--spacing-md)}.input-label{display:block;font-size:14px;font-weight:600;color:var(--color-text);margin-bottom:var(--spacing-sm)}.input{width:100%;padding:var(--spacing-md);font-size:16px;line-height:1.5;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text);min-height:48px;box-sizing:border-box}@media(min-width:480px){.input{min-height:52px}}.input:focus{outline:none;border-color:var(--color-primary)}.input-error{border-color:var(--color-error)}.input-error-text{display:block;font-size:12px;color:var(--color-error);margin-top:var(--spacing-xs)}.input-helper{display:block;font-size:12px;color:var(--color-text-secondary);margin-top:var(--spacing-xs)}.logo{display:flex;align-items:center;justify-content:center}.plans-grid{display:flex;flex-direction:column;gap:var(--spacing-md)}@media(min-width:768px){.plans-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}.plan-card{position:relative;width:100%;padding:var(--spacing-md);margin-bottom:var(--spacing-md);text-align:left;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;transition:border-color .2s,box-shadow .2s}@media(min-width:480px){.plan-card{padding:var(--spacing-lg)}}.plan-card:hover:not(:disabled){border-color:var(--color-primary-light)}.plan-card-selected{border-color:var(--color-primary);background:var(--color-bg-secondary)}.plan-card-popular{border-color:var(--color-accent);border-width:2px}.plan-card-current{border-color:var(--color-primary);background:var(--color-bg-secondary)}.plan-card-badge-current{background:var(--color-primary);color:var(--color-text-inverse)}.plan-card-current-indicator{color:var(--color-primary)}.plan-card-disabled{opacity:.5;cursor:not-allowed}.plan-card-badge{position:absolute;top:-12px;right:var(--spacing-lg);background:var(--color-accent);padding:var(--spacing-xs) var(--spacing-md);border-radius:var(--radius-sm);font-size:12px;font-weight:700;color:var(--color-text)}.plan-card-header{margin-bottom:var(--spacing-md)}.plan-card-name{font-size:24px;font-weight:600;color:var(--color-text);margin:0 0 var(--spacing-xs) 0}.plan-card-name-selected{color:var(--color-primary)}.plan-card-price{font-size:28px;font-weight:700;color:var(--color-text)}.plan-card-price-selected{color:var(--color-primary)}.plan-card-period{font-size:16px;color:var(--color-text-secondary);margin-left:var(--spacing-xs)}.plan-card-desc{font-size:14px;color:var(--color-text-secondary);margin:0 0 var(--spacing-md) 0}.plan-card-features{list-style:none;padding:0;margin:var(--spacing-md) 0 0 0}.plan-card-feature{display:flex;align-items:center;margin-bottom:var(--spacing-sm);font-size:14px;color:var(--color-text)}.plan-card-feature-icon{color:var(--color-primary);font-weight:700;margin-right:var(--spacing-sm)}.plan-card-selected-indicator{margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid var(--color-border);font-size:14px;font-weight:600;color:var(--color-primary);text-align:center}.model-dropdown{position:relative}.model-dropdown-trigger{width:100%;padding:var(--spacing-md) var(--spacing-lg);font-size:16px;text-align:left;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);cursor:pointer;display:flex;justify-content:space-between;align-items:center}.model-dropdown-trigger:hover:not(:disabled){border-color:var(--color-primary-light)}.model-dropdown-placeholder{color:var(--color-text-tertiary)}.model-dropdown-chevron{color:var(--color-primary);font-size:12px}.centered-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);background:#00000080;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);animation:centered-modal-fade-in .2s ease-out}@keyframes centered-modal-fade-in{0%{opacity:0}to{opacity:1}}.centered-modal{position:relative;width:100%;max-width:640px;max-height:calc(100vh - 2 * var(--spacing-lg));display:flex;flex-direction:column;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 24px 48px #0003;overflow:hidden;animation:centered-modal-slide-in .25s ease-out}@keyframes centered-modal-slide-in{0%{opacity:0;transform:scale(.96) translateY(-8px)}to{opacity:1;transform:scale(1) translateY(0)}}.centered-modal-close{position:absolute;top:var(--spacing-md);right:var(--spacing-md);width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:none;border:none;color:var(--color-text-secondary);font-size:24px;line-height:1;cursor:pointer;border-radius:var(--radius-sm);transition:background .2s,color .2s}.centered-modal-close:hover{background:var(--color-bg-secondary);color:var(--color-text)}.centered-modal-title{flex-shrink:0;margin:0;padding:var(--spacing-lg) var(--spacing-xl) var(--spacing-md);padding-right:56px;font-size:20px;font-weight:600;color:var(--color-text)}.centered-modal-content{flex:1;min-height:0;overflow-y:auto;padding:0 var(--spacing-xl) var(--spacing-xl)}.centered-modal.explore-modal{max-width:800px}.edit-template-modal-body{display:flex;flex-direction:column;gap:var(--spacing-lg)}.edit-template-field{display:flex;flex-direction:column;gap:var(--spacing-xs)}.edit-template-label{font-size:14px;font-weight:500;color:var(--color-text-secondary)}.edit-template-input{padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-input-bg);color:var(--color-text);font-size:14px}.edit-template-input:focus{outline:none;border-color:var(--color-primary)}.edit-template-preview{max-height:120px;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-bg-secondary);font-size:13px;color:var(--color-text);overflow:auto;white-space:pre-wrap}.edit-template-textarea{width:100%;min-height:120px;max-height:240px;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-input-bg);color:var(--color-text);resize:vertical;font-size:14px;line-height:1.4}.edit-template-textarea:focus{outline:none;border-color:var(--color-primary)}.edit-template-actions{display:flex;justify-content:flex-end;gap:var(--spacing-sm);margin-top:var(--spacing-sm);padding-top:var(--spacing-md);border-top:1px solid var(--color-border-subtle)}.edit-template-btn{padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:background .2s,border-color .2s}.edit-template-btn:disabled{opacity:.5;cursor:not-allowed}.edit-template-btn-secondary{background:var(--color-bg-secondary);border:1px solid var(--color-border);color:var(--color-text)}.edit-template-btn-secondary:hover:not(:disabled){background:var(--color-bg-tertiary);border-color:var(--color-border)}.edit-template-btn-primary{background:var(--color-primary);border:1px solid var(--color-primary);color:var(--color-text-inverse)}.edit-template-btn-primary:hover:not(:disabled){background:var(--color-primary-light);border-color:var(--color-primary-light)}.plan-change-modal-body{display:flex;flex-direction:column;gap:var(--spacing-lg)}.plan-change-subtitle{margin:0;font-size:14px;color:var(--color-text-secondary)}.plan-change-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--spacing-md)}.plan-change-loading{margin:0;padding:var(--spacing-xl);text-align:center;color:var(--color-text-secondary)}@media(max-width:768px){.centered-modal-overlay{padding:var(--spacing-md);align-items:flex-start;padding-top:var(--spacing-lg)}.centered-modal{max-height:calc(100vh - var(--spacing-lg))}.plan-change-grid,.explore-cards-grid{grid-template-columns:1fr}}.model-dropdown-disabled .model-dropdown-trigger{opacity:.6;cursor:not-allowed}.model-dropdown-list{position:absolute;top:100%;left:0;right:0;margin:4px 0 0;padding:var(--spacing-sm);list-style:none;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:0 4px 12px #0000001a;z-index:10;max-height:200px;overflow-y:auto}.model-dropdown-item{padding:var(--spacing-sm) var(--spacing-md);cursor:pointer;border-radius:var(--radius-sm);font-size:14px;color:var(--color-text)}.model-dropdown-item:hover{background:var(--color-bg-secondary)}.model-dropdown-item-selected{background:var(--color-bg-secondary);color:var(--color-primary);font-weight:600}.page{min-height:100vh;padding:var(--spacing-md);max-width:480px;margin:0 auto}@media(min-width:480px){.page{padding:var(--spacing-lg)}}@media(min-width:768px){.page{max-width:520px;padding:var(--spacing-xl)}}.page-header{text-align:center;margin-bottom:var(--spacing-xl)}.page-title{font-size:28px;font-weight:700;color:var(--color-primary);margin:var(--spacing-md) 0 var(--spacing-sm) 0}@media(min-width:480px){.page-title{font-size:36px}}.page-subtitle{font-size:16px;color:var(--color-text-secondary);margin:0}.form-section{margin-bottom:var(--spacing-lg)}.link{color:var(--color-primary);font-weight:600;cursor:pointer;background:none;border:none;padding:0;font-size:inherit}.link:hover{text-decoration:underline}.chat-page{max-width:100%;width:100%;display:flex;flex-direction:column;flex:1;min-height:0}.chat-content-wrapper{flex:1;display:flex;flex-direction:column;min-height:0;align-items:center;width:100%}.chat-canvas{width:100%;max-width:800px;margin:0 auto;padding:0 1rem}.chat-messages-area{flex:1;overflow:hidden;width:100%;min-height:200px;display:flex;flex-direction:column}.chat-messages-scroll{flex:1;min-height:0;overflow-y:auto;overflow-x:visible;padding:var(--spacing-lg) 0}.chat-input-area{width:100%;padding:var(--spacing-lg) 1rem;padding-bottom:calc(var(--spacing-lg) + env(safe-area-inset-bottom,0px));border-top:1px solid var(--color-border);background:var(--color-bg);display:flex;justify-content:center;transition:padding .35s ease,justify-content .35s ease;flex-shrink:0}.chat-input-area.chat-input-centered{flex:1;align-items:center;justify-content:center;border-top:none;padding:var(--spacing-xl);min-height:0}.chat-content-wrapper.chat-welcome-mode{flex:0;min-height:auto}.chat-content-wrapper.chat-welcome-mode .chat-messages-scroll{padding:var(--spacing-xl) 0}.chat-input-inner{width:100%;max-width:800px;transition:max-width .35s ease}.chat-prompt-starters{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);justify-content:center;margin-bottom:var(--spacing-lg)}.chat-prompt-starter{padding:var(--spacing-sm) var(--spacing-md);font-size:14px;color:var(--color-text-secondary);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;transition:background .2s,border-color .2s,color .2s}.chat-prompt-starter:hover{background:var(--color-bg-tertiary);border-color:var(--color-primary-light);color:var(--color-text)}.chat-input-box{display:flex;flex-direction:column;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-bg);overflow:visible;transition:border-color .2s}.chat-input-box:focus-within{border-color:var(--color-primary)}.chat-input-with-ghost{position:relative;flex:1;min-height:100px;min-width:0;width:100%}.chat-ghost-layer{position:absolute;top:0;left:0;right:0;bottom:0;padding:var(--spacing-md) var(--spacing-lg);font-size:16px;line-height:1.5;white-space:pre-wrap;word-wrap:break-word;overflow:hidden;pointer-events:none;z-index:0;box-sizing:border-box}.chat-ghost-mask{color:var(--color-bg)}.chat-ghost-completion{color:var(--color-text-tertiary)}.chat-input-textarea{position:relative;z-index:1;flex:1;width:100%;min-width:0;padding:var(--spacing-md) var(--spacing-lg);font-size:16px;line-height:1.5;border:none;background:transparent;color:var(--color-text);min-height:100px;max-height:280px;resize:none;font-family:inherit;box-sizing:border-box}.chat-input-textarea:focus{outline:none;box-shadow:none}.chat-input-textarea::placeholder{color:var(--color-text-tertiary)}.chat-input-footer{display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-sm);border-top:1px solid var(--color-border-light);background:transparent;flex-wrap:wrap}.chat-input-footer-left{display:flex;align-items:center;gap:var(--spacing-xs);min-width:0}.chat-input-footer-right{display:flex;align-items:center;gap:var(--spacing-xs)}.chat-input-model-dropdown{min-width:0;max-width:160px}.chat-input-model-dropdown .model-dropdown-trigger{padding:4px 8px;font-size:13px;min-height:28px;border-radius:var(--radius-sm)}.chat-input-model-dropdown .model-dropdown-list{top:auto;bottom:100%;left:0;right:auto;min-width:200px;width:max-content;max-width:min(280px,calc(100vw - 2rem));margin:0 0 4px;z-index:100;max-height:240px}.chat-input-footer-btn-active{background:var(--color-primary)!important;color:var(--color-text-inverse)!important;border-color:var(--color-primary)!important}.chat-input-footer-btn{padding:4px 10px;min-height:28px;font-size:13px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-bg-secondary);color:var(--color-text);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s}.chat-input-footer-btn:hover:not(:disabled){background:var(--color-bg-tertiary);border-color:var(--color-border)}.chat-input-footer-btn:disabled{opacity:.5;cursor:not-allowed}.chat-input-footer-btn-primary{background:var(--color-primary);color:var(--color-text-inverse);border-color:var(--color-primary)}.chat-input-footer-btn-primary:hover:not(:disabled){background:var(--color-primary-light);border-color:var(--color-primary-light)}.chat-message-pair{max-width:800px;width:100%;margin-left:auto;margin-right:auto;margin-bottom:calc(var(--spacing-xl) + var(--spacing-lg))}.chat-thinking-indicator{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg)}.chat-thinking-dots{display:flex;align-items:center;gap:6px}.chat-thinking-text{font-size:14px;color:var(--color-text-tertiary);font-style:italic}.chat-thinking-dot{width:8px;height:8px;border-radius:50%;background:var(--color-text-tertiary);animation:chat-thinking-bounce 1.4s ease-in-out infinite both}.chat-thinking-dot:nth-child(1){animation-delay:-.32s}.chat-thinking-dot:nth-child(2){animation-delay:-.16s}.chat-thinking-dot:nth-child(3){animation-delay:0s}@keyframes chat-thinking-bounce{0%,80%,to{transform:scale(.6);opacity:.5}40%{transform:scale(1);opacity:1}}.chat-actions-row{display:flex;align-items:center;gap:6px;margin-top:6px;flex-wrap:wrap}.chat-actions-row-user{justify-content:flex-end}.chat-actions-row-assistant{justify-content:flex-start;color:var(--color-text-tertiary);font-size:.8rem}.chat-action-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:6px;border:1px solid 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settings-modal-fade-in{0%{opacity:0}to{opacity:1}}.settings-modal{position:relative;width:100%;max-width:720px;max-height:calc(100vh - 2 * var(--spacing-lg));display:flex;flex-direction:column;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 24px 48px #0003;overflow:hidden;animation:settings-modal-slide-in .25s ease-out}@keyframes settings-modal-slide-in{0%{opacity:0;transform:scale(.96) translateY(-8px)}to{opacity:1;transform:scale(1) translateY(0)}}.settings-modal-close{position:absolute;top:var(--spacing-md);right:var(--spacing-md);width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:none;border:none;color:var(--color-text-secondary);font-size:24px;line-height:1;cursor:pointer;border-radius:var(--radius-sm);transition:background .2s,color .2s}.settings-modal-close:hover{background:var(--color-bg-secondary);color:var(--color-text)}.settings-modal-title{flex-shrink:0;margin:0;padding:var(--spacing-lg) var(--spacing-xl) var(--spacing-md);font-size:20px;font-weight:600;color:var(--color-text)}.settings-modal-body{flex:1;min-height:0;display:flex;flex-direction:row;overflow:hidden}.settings-modal-sidebar{flex-shrink:0;width:25%;min-width:140px;padding:0 var(--spacing-md) var(--spacing-lg) var(--spacing-xl);display:flex;flex-direction:column;gap:var(--spacing-xs)}.settings-modal-tab{padding:var(--spacing-sm) var(--spacing-md);background:none;border:none;border-radius:var(--radius-md);font-size:14px;font-weight:500;color:var(--color-text-secondary);text-align:left;cursor:pointer;transition:background .2s,color .2s}.settings-modal-tab:hover{background:var(--color-bg-secondary);color:var(--color-text)}.settings-modal-tab-active{background:var(--color-sidebar-item-bg);color:var(--color-text);box-shadow:0 1px 3px #00000014}.settings-modal-content{flex:1;min-width:0;overflow-y:auto;padding:0 var(--spacing-xl) var(--spacing-lg)}.settings-tab-panel{display:flex;flex-direction:column;gap:var(--spacing-lg)}.settings-panel-title{margin:0 0 var(--spacing-sm) 0;font-size:16px;font-weight:600;color:var(--color-text)}.settings-field{display:flex;flex-direction:column;gap:var(--spacing-xs)}.settings-field-label{font-size:14px;font-weight:500;color:var(--color-text-secondary);display:flex;align-items:center;gap:6px}.settings-field-tooltip{font-size:12px;color:var(--color-text-tertiary);cursor:help}.settings-field-value{font-size:14px;color:var(--color-text)}.settings-nickname-row{display:flex;gap:var(--spacing-sm);align-items:center}.settings-nickname-row .settings-input{flex:1}.settings-nickname-row .btn-small{min-height:unset;height:38px;padding:0 var(--spacing-md);flex-shrink:0}.settings-input,.settings-select{padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-input-bg);color:var(--color-text);font-size:14px;max-width:320px}.settings-input-readonly{cursor:default;color:var(--color-text-secondary)}.settings-input::placeholder,.settings-textarea::placeholder{color:var(--color-text-secondary)}.settings-textarea{padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-input-bg);color:var(--color-text);font-size:14px;max-width:320px;resize:vertical;min-height:100px}.settings-personalization-card{border-radius:var(--radius-lg);border:1px solid var(--color-border);background:var(--color-bg-secondary);padding:var(--spacing-md);margin-top:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-md)}.settings-select-wide{max-width:280px}.settings-link-btn{align-self:flex-start;padding:0;background:none;border:none;font-size:14px;color:var(--color-primary);cursor:pointer;text-decoration:none}.settings-link-btn:hover{text-decoration:underline}.settings-avatar-section{display:flex;align-items:center;gap:var(--spacing-md)}.settings-avatar-preview{width:64px;height:64px;border-radius:50%;background:var(--color-sidebar-item-bg);border:1px solid var(--color-border);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:600;color:var(--color-text)}.settings-avatar-btn{padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-bg-secondary);color:var(--color-text-secondary);font-size:14px;cursor:not-allowed;opacity:.6}.settings-modal-footer{flex-shrink:0;padding:var(--spacing-lg) var(--spacing-xl);border-top:1px solid var(--color-border);display:flex;justify-content:center}@media(max-width:600px){.settings-modal-overlay{padding:0;align-items:stretch}.settings-modal{max-height:100vh;border-radius:0;border-left:none;border-right:none}.settings-modal-body{flex-direction:column}.settings-modal-sidebar{width:100%;min-width:0;flex-direction:row;flex-wrap:wrap;padding:0 var(--spacing-md) var(--spacing-md);gap:var(--spacing-xs);border-bottom:1px solid var(--color-border)}.settings-modal-tab{flex:1;min-width:0;text-align:center}.settings-modal-content{padding:var(--spacing-lg)}}.full-page-center{flex:1;min-height:0;overflow:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-md);background:var(--color-bg-secondary);background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='1' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E")}.full-page-center .page-header{margin-bottom:var(--spacing-md)}.full-page-center .form-section{width:100%;max-width:520px}.full-page-center .warm-central-card{max-height:100%;overflow-y:auto}.warm-central-card{width:100%;max-width:560px;padding:var(--spacing-lg);background:var(--color-central-card-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 4px 24px #0000000f}@media(min-width:480px){.warm-central-card{padding:var(--spacing-xl)}}.warm-central-card .page-header{text-align:center;margin-bottom:var(--spacing-lg)}.warm-central-card .page-title{font-size:22px}@media(min-width:480px){.warm-central-card .page-title{font-size:26px}}.warm-central-card .form-section{max-width:none}.full-page-center .warm-central-card .page-header{margin-bottom:var(--spacing-md)}.full-page-center .warm-central-card .page-title{font-size:20px}@media(min-width:480px){.full-page-center .warm-central-card .page-title{font-size:24px}}.full-page-center .input-container{margin-bottom:var(--spacing-sm)}