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#ddd;flex-shrink:0}.upload-preview-thumb{width:100%;height:100%;object-fit:cover;display:block}.upload-preview-icon{width:32px;height:32px;border-radius:6px;background:#e5e5e5;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}.upload-preview-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-preview-remove{cursor:pointer;width:18px;height:18px;border:none;border-radius:50%;background:#ddd;display:flex;align-items:center;justify-content:center;font-size:10px;line-height:1;flex-shrink:0}.upload-state{margin:0;padding:2px 14px 0;font-size:11px;color:#6b7280}.upload-state-uploading{display:flex;align-items:center;gap:8px;padding:10px 14px 0;font-size:13px;color:#999}.upload-state.error{color:#dc2626}.upload-spinner{width:16px;height:16px;border:2px solid #ddd;border-top-color:#333;border-radius:50%;animation:upload-spin 1s linear infinite}@keyframes upload-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.input-row{display:flex;align-items:flex-end;padding:12px 14px;width:100%}.attach-btn{color:var(--text-secondary);padding:8px;cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s;margin-bottom:2px}.attach-btn:hover{background:#f0f0f0}.attach-btn.disabled{opacity:.45;cursor:default;pointer-events:none}.attach-btn input{display:none}.chat-input{flex:1;background:transparent;border:none;color:#111827;font-family:inherit;font-size:1rem;padding:4px 8px;resize:none;max-height:200px;outline:none;line-height:1.5;min-height:24px}.chat-input:disabled{opacity:.75;cursor:not-allowed}.send-btn{background:#e5e5e5;color:#fff;border:none;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:not-allowed;transition:all .2s;margin-bottom:2px}.send-btn.active{background:#111827;cursor:pointer}.send-btn:disabled{opacity:.5}.sidebar-user-profile{display:flex;align-items:center;gap:10px;padding:12px;margin-top:auto;border-top:1px solid rgba(0,0,0,.06);cursor:pointer;transition:background .15s;border-radius:12px;flex-shrink:0}.sidebar-user-profile:hover{background:#0000000a}.sidebar-user-avatar{width:36px;height:36px;border-radius:50%;flex-shrink:0;object-fit:cover}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{font-size:14px;font-weight:500;color:#111827;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-email{font-size:12px;color:#6b7280;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-menu{position:absolute;bottom:70px;left:8px;right:8px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 4px 20px #0000001a;z-index:100;overflow:hidden}.user-menu-item{width:100%;padding:12px 16px;border:none;background:transparent;cursor:pointer;font-size:14px;color:#374151;text-align:left;transition:background .15s}.user-menu-item:hover{background:#f3f4f6}.user-menu-item.danger{color:#dc2626}.user-menu-item.danger:hover{background:#fef2f2}.login-page-shell{height:100vh;display:flex;background:var(--bg-primary);color:#111827}.left-panel{flex:1;background:linear-gradient(135deg,#fef9e7,#fff7ed,#fef3c7);display:flex;flex-direction:column;justify-content:center;align-items:center;padding:60px;position:relative;overflow:hidden}.left-panel:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 50%,rgba(249,115,22,.08) 0%,transparent 50%);pointer-events:none}.login-brand-header{position:absolute;top:32px;left:32px;display:flex;align-items:center;gap:12px}.login-brand-logo{width:40px;height:40px;background:var(--bg-primary);border-radius:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #00000014}.login-brand-logo svg{width:24px;height:24px;color:#111827}.login-brand-name{font-size:18px;font-weight:600}.login-brand-dot{display:inline-block;width:8px;height:8px;background:#f97316;border-radius:50%;margin-left:4px}.showcase-content{max-width:500px;text-align:left;z-index:1}.showcase-title{font-size:42px;font-weight:700;line-height:1.2;color:#f97316;margin-bottom:20px;letter-spacing:-.02em}.showcase-subtitle{font-size:18px;color:#6b7280;line-height:1.6;margin-bottom:40px}.feature-list{display:flex;flex-direction:column;gap:16px}.feature-item{display:flex;align-items:center;gap:14px;font-size:15px;color:#111827}.feature-icon{width:36px;height:36px;background:#f973161f;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.feature-icon svg{width:18px;height:18px;color:#f97316}.right-panel{width:480px;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:60px;background:var(--bg-primary);border-left:1px solid var(--border-light)}.login-container{width:100%;max-width:320px}.login-title{font-size:28px;font-weight:700;color:#111827;margin-bottom:12px;letter-spacing:-.02em}.login-subtitle{font-size:15px;color:#6b7280;margin-bottom:40px;line-height:1.5}.google-login-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;padding:14px 24px;background:#000;color:#fff;border:none;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 8px #00000040}.google-icon{width:20px;height:20px}.google-login-btn:hover{background:#1a1a1a;transform:translateY(-1px);box-shadow:0 4px 12px #00000059}.google-login-btn:active{transform:translateY(0)}.loading{display:none;align-items:center;justify-content:center;gap:10px;color:#fff}.loading.active{display:flex}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-message{background:#fef2f2;border:1px solid #fecaca;border-radius:10px;padding:12px 14px;margin-bottom:20px;font-size:13px;color:#dc2626;display:none}.error-message.show{display:block}.boot-screen{min-height:100vh;display:grid;place-items:center}.boot-card{border:1px solid #e5e7eb;border-radius:12px;background:#fff;padding:20px;text-align:center}.image-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:1000;cursor:zoom-out}.image-modal-content{max-width:90%;max-height:90%;border-radius:8px;box-shadow:0 4px 20px #00000080;cursor:default}.image-modal-hint{position:absolute;top:20px;right:20px;color:#fff;font-size:14px;background:#00000080;padding:8px 16px;border-radius:20px}@media(max-width:1120px){.legacy-sidebar{width:248px;min-width:248px;flex-basis:248px}.suggestions-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.left-panel{display:none}.right-panel{width:100%;border-left:none}#legacy-root{display:flex;min-width:0}.legacy-sidebar{display:none}.main-chat{width:100%;height:100%;min-height:0;flex:1}.messages-container{padding:14px 10px 138px}.message-content{max-width:90%}.input-container{padding:12px 12px 18px}.suggestions-grid{grid-template-columns:repeat(1,minmax(0,1fr))}}