:root{--bg: var(--tg-theme-bg-color, #ffffff);--text: var(--tg-theme-text-color, #000000);--hint: var(--tg-theme-hint-color, #999999);--link: var(--tg-theme-link-color, #2481cc);--btn: var(--tg-theme-button-color, #5288c1);--btn-text: var(--tg-theme-button-text-color, #ffffff);--secondary-bg: var(--tg-theme-secondary-bg-color, #efeff3);--header-bg: var(--tg-theme-header-bg-color, #5288c1);--accent: var(--tg-theme-accent-text-color, var(--link));--destructive: var(--tg-theme-destructive-text-color, #ff3b30);--subtitle: var(--tg-theme-subtitle-text-color, var(--hint));--radius: 12px;--radius-sm: 8px;--tab-height: 56px;--safe-bottom: env(safe-area-inset-bottom, 0px)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased}#app{min-height:100vh;display:flex;flex-direction:column}.page{flex:1;padding:16px;padding-bottom:calc(var(--tab-height) + var(--safe-bottom) + 16px);overflow-y:auto;-webkit-overflow-scrolling:touch}.tab-bar{position:fixed;bottom:0;left:0;right:0;height:calc(var(--tab-height) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--secondary-bg);display:flex;align-items:center;justify-content:space-around;border-top:.5px solid rgba(128,128,128,.2);z-index:100}.tab-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 12px;border:none;background:none;cursor:pointer;color:var(--hint);font-size:10px;transition:color .2s}.tab-item.active{color:var(--accent)}.tab-item svg{width:24px;height:24px}.card{background:var(--secondary-bg);border-radius:var(--radius);padding:16px;margin-bottom:12px}.card-title{font-size:14px;font-weight:600;margin-bottom:8px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:var(--radius-sm);border:none;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .2s;width:100%}.btn:active{opacity:.7}.btn-primary{background:var(--btn);color:var(--btn-text)}.btn-secondary{background:var(--secondary-bg);color:var(--text)}.btn-danger{background:var(--destructive);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.chip-group{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:8px 14px;border-radius:20px;font-size:13px;border:1.5px solid rgba(128,128,128,.3);background:transparent;color:var(--text);cursor:pointer;transition:all .2s}.chip.active{background:var(--btn);color:var(--btn-text);border-color:var(--btn)}.chat-container{display:flex;flex-direction:column;height:calc(100vh - var(--tab-height) - var(--safe-bottom));position:relative}.chat-header{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--secondary-bg);border-bottom:.5px solid rgba(128,128,128,.15);user-select:none;-webkit-user-select:none;min-height:44px}.chat-header-btn{width:36px;height:36px;border-radius:10px;border:none;background:transparent;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative;transition:background .15s}.chat-header-btn:active{background:#80808026}.chat-header-btn.accent{color:var(--accent)}.chat-header-badge{position:absolute;top:2px;right:2px;min-width:16px;height:16px;border-radius:8px;background:var(--accent);color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 4px}.chat-header-center{flex:1;min-width:0;text-align:center;cursor:pointer;padding:4px 0}.chat-header-title{font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-header-subtitle{font-size:11px;color:var(--hint);margin-top:1px}.conversations-overlay{position:absolute;top:44px;left:0;right:0;bottom:0;background:#00000026;z-index:49;opacity:0;transition:opacity .2s ease;pointer-events:none}.conversations-overlay.visible{opacity:1;pointer-events:auto}.conversations-dropdown{position:absolute;top:44px;left:8px;right:8px;background:var(--bg);border-radius:0 0 var(--radius) var(--radius);z-index:50;max-height:320px;overflow-y:auto;box-shadow:0 8px 24px #0000001f,0 2px 8px #00000014;transform:translateY(-8px);opacity:0;transition:transform .2s ease,opacity .2s ease;pointer-events:none;padding:4px 0}.conversations-dropdown.visible{transform:translateY(0);opacity:1;pointer-events:auto}.conversations-dropdown-limit{font-size:11px;color:var(--hint);text-align:center;padding:8px 16px 12px}.conversation-item{display:flex;align-items:center;gap:10px;padding:10px 14px;margin:2px 6px;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s}.conversation-item:active{background:#8080801a}.conversation-item.active{background:color-mix(in srgb,var(--btn) 12%,transparent)}.conversation-item-check{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--hint)}.conversation-item.active .conversation-item-check{color:var(--btn)}.conversation-item-info{flex:1;min-width:0}.conversation-item-title{font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-item.active .conversation-item-title{font-weight:600;color:var(--accent)}.conversation-item-meta{font-size:11px;color:var(--hint);margin-top:2px;display:flex;gap:8px}.conversation-delete-btn{width:28px;height:28px;border-radius:50%;border:none;background:transparent;color:var(--hint);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;opacity:.6;transition:opacity .15s,background .15s}.conversation-delete-btn:active{opacity:1;background:#80808026}.chat-messages{flex:1;overflow-y:auto;padding:12px;-webkit-overflow-scrolling:touch}.message{max-width:85%;margin-bottom:8px;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.45;word-wrap:break-word;white-space:pre-wrap}.message-user{margin-left:auto;background:var(--btn);background:color-mix(in srgb,var(--btn) 82%,var(--secondary-bg));color:var(--btn-text);border-bottom-right-radius:4px}.message-assistant{margin-right:auto;background:var(--secondary-bg);color:var(--text);border-bottom-left-radius:4px}.message-image{max-width:100%;border-radius:var(--radius-sm);margin-top:8px}.message-usage{font-size:11px;color:var(--hint);text-align:center;margin:4px 0}.chat-input-container{display:flex;gap:8px;padding:8px 12px;padding-bottom:calc(8px + var(--safe-bottom));background:var(--secondary-bg);border-top:.5px solid rgba(128,128,128,.2)}.chat-input{flex:1;padding:10px 14px;border-radius:20px;border:1px solid rgba(128,128,128,.3);background:var(--bg);color:var(--text);font-size:14px;outline:none;resize:none;max-height:100px;font-family:inherit}.chat-input::placeholder{color:var(--hint)}.send-btn{width:40px;height:40px;border-radius:50%;background:var(--btn);color:var(--btn-text);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;align-self:flex-end}.send-btn:disabled{opacity:.4}.typing-indicator{display:inline-flex;gap:4px;padding:10px 14px}.typing-indicator span{width:6px;height:6px;background:var(--hint);border-radius:50%;animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}.profile-header{text-align:center;padding:20px 0}.profile-avatar{width:64px;height:64px;border-radius:50%;background:var(--btn);color:var(--btn-text);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:600;margin:0 auto 12px}.profile-name{font-size:18px;font-weight:600}.profile-id{font-size:12px;color:var(--hint);margin-top:2px}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.stat-item{background:var(--secondary-bg);border-radius:var(--radius-sm);padding:12px;text-align:center}.stat-value{font-size:20px;font-weight:700;color:var(--accent)}.stat-label{font-size:11px;color:var(--hint);margin-top:2px}.settings-section{margin-bottom:20px}.settings-label{font-size:13px;font-weight:600;color:var(--subtitle);text-transform:uppercase;margin-bottom:8px;padding-left:4px}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}.gallery-item{aspect-ratio:1;border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;position:relative}.gallery-item img{width:100%;height:100%;object-fit:cover}.gallery-item-delete{position:absolute;top:6px;right:6px;width:26px;height:26px;border-radius:50%;border:none;background:#00000080;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.gallery-item:active .gallery-item-delete,.gallery-item:hover .gallery-item-delete{opacity:1}.loading{display:flex;align-items:center;justify-content:center;height:200px;color:var(--hint)}.spinner{width:24px;height:24px;border:2.5px solid var(--secondary-bg);border-top-color:var(--btn);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tariff-card{display:flex;align-items:center;justify-content:space-between;background:var(--secondary-bg);border-radius:var(--radius-sm);padding:12px 16px;margin-bottom:8px}.tariff-tokens{font-size:16px;font-weight:600}.tariff-price{font-size:14px;color:var(--accent);font-weight:600}.empty-state{text-align:center;padding:40px 20px;color:var(--hint)}.empty-state-icon{font-size:48px;margin-bottom:12px}.empty-state-text{font-size:14px}.image-viewer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000eb;display:flex;flex-direction:column;align-items:center;justify-content:center;animation:viewer-in .2s ease}@keyframes viewer-in{0%{opacity:0}to{opacity:1}}.image-viewer-close{position:absolute;top:max(12px,env(safe-area-inset-top,12px));right:12px;width:40px;height:40px;border-radius:50%;border:none;background:#ffffff26;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:1001;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.image-viewer-close:active{background:#ffffff40}.image-viewer-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;padding:60px 16px 16px;min-height:0;overflow:auto}.image-viewer-img{max-width:100%;max-height:70vh;border-radius:var(--radius);object-fit:contain;-webkit-touch-callout:default!important;-webkit-user-select:auto!important;user-select:auto!important}.image-viewer-prompt{margin-top:12px;font-size:13px;color:#fff9;text-align:center;max-width:400px;line-height:1.4}.image-viewer-actions{display:flex;gap:12px;padding:16px;padding-bottom:max(16px,calc(env(safe-area-inset-bottom,0px) + 16px));width:100%;max-width:400px}.image-viewer-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:var(--radius);border:none;background:#ffffff26;color:#fff;font-size:14px;font-weight:600;cursor:pointer;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:background .15s}.image-viewer-btn:active{background:#ffffff40}