html,body{height:100%}.auth-screen{position:relative;min-height:100dvh;height:100dvh;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:clamp(12px,3vh,24px) 18px;box-sizing:border-box;background-image:url(/assets/auth-bg-DkmjCO5J.png);background-size:cover;background-position:center;background-repeat:no-repeat;overflow-y:auto;overflow-x:hidden}.auth-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080;pointer-events:none;z-index:1}.auth-eagle{width:80px;height:80px;filter:drop-shadow(0 8px 20px rgba(0,0,0,.5));animation:eagleHover 2s ease-in-out infinite;margin-bottom:-20px}@keyframes eagleHover{0%,to{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-6px) rotate(2deg)}}.auth-content{position:relative;z-index:10;width:min(380px,calc(100% - 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.2s;flex-shrink:0;box-shadow:0 4px 12px #bf0a304d}.send-btn:hover{background:linear-gradient(135deg,#D50032,var(--usa-red));transform:scale(1.05);box-shadow:0 6px 16px #bf0a3066}.send-btn:active{transform:scale(.95)}.send-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.loading-text{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);font-size:15px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;max-width:420px}label{display:block;margin-top:16px;font-size:14px;color:var(--text-secondary);margin-bottom:6px}input:not(.composer-bottom input){width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:15px;transition:all 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a{color:var(--primary);text-decoration:none;font-size:14px}.links a:hover{text-decoration:underline}@media (max-width: 480px){.bubble{max-width:90%}.persona-grid{grid-template-columns:1fr}.mobile-header{gap:8px;padding:10px 12px}.header-actions{gap:8px}.logo-text{font-size:18px}.theme-toggle{width:48px}.persona-select-block{gap:12px;padding:0 4px 16px}}@media (max-height: 500px){.mobile-header{padding:6px 12px;min-height:44px}.composer-bottom{padding:8px 12px}.chat-messages{padding-top:56px;padding-bottom:82px}.persona-select-block{gap:8px;padding:0 4px 8px}.new-chat-content{padding-top:56px;padding-bottom:82px}}.new-chat-page .header-center{flex:1;text-align:center}.new-chat-page .header-subtitle{display:none}.new-chat-content{padding:59px 16px 86px;overflow-y:auto;display:flex;flex-direction:column;justify-content:center;align-items:center}.persona-select-block{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center;padding:0 8px 24px;margin-top:0;margin-bottom:0}.persona-select-title{font-size:18px;color:var(--text)}.persona-select-list{width:min(360px,100%);min-width:280px;border-radius:18px;border:2px solid #c9c9c9;background:#fff;overflow:hidden;box-shadow:none;position:relative}.persona-select-list.open{overflow:visible;border-radius:18px 18px 0 0}.persona-options{position:absolute;left:-2px;right:-2px;top:100%;border:2px solid #c9c9c9;border-top:0;border-radius:0 0 18px 18px;background:#fff;max-height:392px;overflow-y:auto;z-index:6}.persona-select-list.open .persona-option.selected{border-bottom:1px solid #d7d7d7}.persona-options::-webkit-scrollbar{width:6px}.persona-options::-webkit-scrollbar-thumb{background:#c9c9c9;border-radius:6px}[data-theme=dark] .persona-options::-webkit-scrollbar-thumb{background:#3a3a3a}.persona-option{width:100%;background:#fff;border:none;display:flex;align-items:center;gap:14px;padding:12px 18px;cursor:pointer;text-align:left;transition:background .2s ease;border-radius:0}.persona-option:hover{background:#f5f5f5}.persona-option.selected{background:#fff;border-radius:16px 16px 0 0}.persona-option-avatar{width:42px;height:42px;border-radius:50%;border:2px solid #bdbdbd;overflow:hidden;display:flex;align-items:center;justify-content:center;background:#fff;flex-shrink:0}.persona-option-avatar img{width:100%;height:100%;object-fit:cover}.persona-option-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--text);font-weight:700;background:var(--card)}.persona-option-name{font-size:17px;font-weight:500;color:#111;flex:1}.persona-option-caret{width:10px;height:10px;display:inline-block;border-right:2px solid #bdbdbd;border-bottom:2px solid #bdbdbd;transform:rotate(45deg);transition:transform .2s ease;margin-left:6px}[data-theme=dark] .persona-select-list{border-color:var(--border);background:var(--bg-secondary)}[data-theme=dark] .persona-options{border-color:var(--border);border-top-color:transparent;background:var(--bg-secondary)}[data-theme=dark] .persona-select-list.open .persona-option.selected{border-bottom:1px solid var(--border)}[data-theme=dark] .persona-option{background:var(--bg-secondary)}[data-theme=dark] .persona-option:hover{background:var(--card)}[data-theme=dark] .persona-option-avatar{border-color:var(--border);background:var(--bg)}[data-theme=dark] .persona-option-name{color:var(--text)}[data-theme=dark] .persona-option-caret{color:var(--text-secondary);border-right-color:var(--text-secondary);border-bottom-color:var(--text-secondary)}.persona-select-list.open .persona-option-caret{transform:rotate(-135deg)}.persona-select-hint{display:none}.persona-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.persona-card{background:var(--card);border:2px solid var(--border);border-radius:16px;padding:16px;cursor:pointer;text-align:center;transition:all .3s ease;position:relative;overflow:hidden}.persona-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 8px 30px #0000004d}.persona-card.selected{border-color:var(--primary);background:linear-gradient(135deg,var(--card),rgba(59,130,246,.1))}.persona-card-avatar{width:72px;height:72px;margin:0 auto 12px;border-radius:50%;border:3px solid var(--border);overflow:hidden;position:relative;transition:all .3s}.persona-card.selected .persona-card-avatar{transform:scale(1.05)}.persona-card-avatar img{width:100%;height:100%;object-fit:cover}.avatar-placeholder-large{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:#fff}.persona-emoji{position:absolute;bottom:-4px;right:-4px;font-size:20px;background:var(--card);border-radius:50%;padding:4px;border:2px solid var(--border)}.persona-card-info{min-height:80px}.persona-card-name{font-size:15px;font-weight:600;color:var(--text);margin:0 0 6px}.persona-card-tagline{font-size:12px;color:var(--primary);margin:0 0 6px;font-style:italic}.persona-card-desc{font-size:11px;color:var(--text-secondary);margin:0;line-height:1.4}.persona-check{position:absolute;top:10px;right:10px;width:24px;height:24px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700;animation:popIn .3s ease}@keyframes popIn{0%{transform:scale(0)}70%{transform:scale(1.2)}to{transform:scale(1)}}.selected-banner{margin-top:16px;padding:12px 16px;background:linear-gradient(135deg,var(--usa-red),var(--usa-blue));border-radius:12px;display:flex;align-items:center;justify-content:space-between;font-size:14px;animation:slideUp .3s ease;border:2px solid #fff}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.selected-emoji{font-size:24px}.composer-wrapper{display:flex;align-items:center;gap:10px;width:100%}.composer-hint{text-align:center;font-size:11px;color:var(--muted);margin-top:8px}.send-spinner{width:18px;height:18px;border:2px solid transparent;border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.chats-list-container{flex:1;overflow-y:auto;padding:8px 0;background:var(--bg)}.chat-item{display:flex;align-items:center;padding:0;cursor:pointer;transition:background .2s;border-bottom:1px solid var(--border);gap:12px;text-decoration:none;color:inherit;position:relative;overflow:hidden}.chat-item *{text-decoration:none}.chat-item-inner{display:flex;align-items:center;gap:12px;width:100%;padding:12px 16px;transition:transform .15s ease;background:var(--bg)}.chat-swipe-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:#b91c1c;display:flex;align-items:center;justify-content:flex-end;padding-right:18px}.chat-swipe-text{color:#fff;font-size:14px;font-weight:600;text-transform:uppercase}.chat-item:hover,.chat-item:active{background:transparent}.chat-item:hover .chat-item-inner{background:var(--card)}.chat-item:active .chat-item-inner{background:var(--bg-secondary)}.chat-avatar{width:52px;height:52px;border-radius:50%;flex-shrink:0;overflow:hidden;position:relative}.chat-avatar img{width:100%;height:100%;object-fit:cover}.chat-avatar-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:#fff}.chat-content{flex:1;min-width:0}.chat-new-badge{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;align-self:center;min-width:44px;height:22px;padding:0 10px;border-radius:999px;border:1px solid rgba(191,10,48,.45);background:#bf0a3029;color:#ff6b86;font-size:11px;line-height:1;font-weight:700;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;-webkit-transform:translateZ(0);transform:translateZ(0)}[data-theme=light] .chat-new-badge{border-color:#bf0a3059;background:#bf0a3017;color:#9f1239}.chat-top-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px;gap:12px}.chat-name{font-weight:600;font-size:16px;color:var(--text);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.chat-time{font-size:12px;color:var(--text-secondary);margin-left:auto;text-align:right;min-width:48px}.chat-preview{font-size:14px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-preview .you-prefix{color:var(--text-secondary);font-weight:500}.chat-preview .no-messages{color:var(--muted);font-style:italic}.chat-delete-btn{background:transparent;border:none;padding:8px;cursor:pointer;color:var(--muted);border-radius:8px;transition:all .2s;opacity:0;margin:0}.chat-item:hover .chat-delete-btn{opacity:1}.chat-delete-btn:hover{background:#ef44441a;color:var(--error)}.chat-item.deleting{opacity:.5;pointer-events:none}.chat-chevron{color:var(--muted);font-size:20px}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px 80px;text-align:center}.empty-icon{font-size:64px;margin-bottom:16px;opacity:.8}.empty-title{font-size:20px;font-weight:600;color:var(--text);margin-bottom:8px}.empty-subtitle{font-size:14px;color:var(--text-secondary);max-width:280px;line-height:1.5}.new-chat-btn{position:fixed;bottom:24px;right:24px;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--usa-red),#8B0000);color:#fff;border:3px solid var(--usa-blue);cursor:pointer;font-size:28px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px #bf0a3066;transition:all .3s;margin:0;padding:0}.new-chat-btn:hover{transform:scale(1.1);box-shadow:0 6px 30px #bf0a3080;background:linear-gradient(135deg,#D50032,var(--usa-red))}.new-chat-btn svg{width:28px;height:28px}[data-theme=light] .mobile-header{background:var(--header-bg);box-shadow:0 1px 3px var(--shadow)}[data-theme=light] .chat-list-item{background:var(--card)}[data-theme=light] .chat-list-item:hover{background:#f0f0f0}[data-theme=light] .message-input-area{background:var(--bg-secondary);border-top:1px solid var(--border)}[data-theme=light] .message-input{background:var(--input-bg);color:var(--input-text);border:1px solid var(--border)}[data-theme=light] .persona-card{background:var(--card);box-shadow:0 2px 8px var(--shadow)}[data-theme=light] .persona-card:hover{box-shadow:0 4px 16px var(--shadow)}[data-theme=light] .logo-text{background:linear-gradient(180deg,var(--usa-red),#333,var(--usa-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.send-btn.stop{background:#111827;box-shadow:0 4px 12px #1118274d}.send-btn.stop:hover{background:#0f172a;transform:none}.stop-icon{width:16px;height:16px;background:#fff;border-radius:2px;display:inline-block}