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var(--border-default);border-radius:var(--radius-xl);padding:36px;width:100%;max-width:420px;box-shadow:var(--shadow-lg),var(--shadow-glow);position:relative;z-index:1}.login-card:before{content:"";position:absolute;top:0;left:20%;right:20%;height:1px;background:var(--grad-brand);border-radius:0 0 4px 4px;opacity:.6}.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:20px}.login-brand-icon{width:48px;height:48px;border-radius:14px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;box-shadow:0 4px 20px #875af266}.login-brand-name{font-size:1.6rem;font-weight:800;letter-spacing:-.04em;background:var(--grad-brand);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-brand-sub{font-size:.775rem;color:var(--text-muted);margin-top:1px}.login-heading{margin-bottom:24px}.login-heading h2{font-size:1.2rem;margin-bottom:4px}.login-heading p{font-size:.85rem;color:var(--text-muted)}.login-form{display:flex;flex-direction:column;gap:16px}.login-input-wrap{position:relative}.login-input-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.login-input{padding-left:38px!important}.login-error{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#eb55471a;border:1px solid hsla(5,80%,60%,.25);border-radius:var(--radius-md);color:var(--nova-red);font-size:.82rem}.login-submit{width:100%;justify-content:center;padding:11px;font-size:.9rem;margin-top:4px}.login-footer{text-align:center;font-size:.72rem;color:var(--text-muted);margin-top:20px;letter-spacing:.02em}.chat-page{display:flex;height:100%;overflow:hidden}.chat-main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--border-subtle);background:var(--bg-raised);flex-shrink:0}.chat-header-left{display:flex;align-items:center;gap:12px}.chat-header-icon{width:34px;height:34px;border-radius:10px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 2px 10px #875af24d}.chat-header h3{font-size:.95rem;font-weight:600}.chat-header-sub{font-size:.75rem;color:var(--text-muted)}.chat-messages-area{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}.chat-welcome-minimalist{display:flex;flex-direction:column;align-items:center;justify-content:center;margin:auto;height:100%}.chat-welcome-title{display:flex;align-items:center;gap:12px;font-size:2rem;font-weight:500;color:var(--text-primary);margin-bottom:12px}.chat-welcome-title 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var(--border-subtle);border-radius:8px;padding:12px;overflow-x:auto;margin:8px 0}.assistant-bubble table{border-collapse:collapse;width:100%;font-size:.82rem;margin:8px 0}.assistant-bubble th,.assistant-bubble td{border:1px solid var(--border-subtle);padding:6px 10px;text-align:left}.assistant-bubble th{background:var(--bg-overlay)}.chat-sources{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;padding-top:10px;border-top:1px solid var(--border-subtle)}.chat-sources-label{font-size:.7rem;font-weight:600;color:var(--text-muted);letter-spacing:.06em;text-transform:uppercase;width:100%}.chat-source-tag{display:inline-flex;align-items:center;gap:5px;padding:2px 8px;background:#875af214;border:1px solid hsla(258,85%,65%,.2);border-radius:6px;color:var(--nova-purple-light);font-size:.72rem}.typing-bubble{display:flex;align-items:center;gap:5px;padding:14px 20px}.dot{width:7px;height:7px;border-radius:50%;background:var(--nova-purple);animation:dotPulse 1.2s ease-in-out 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#875af21f}.chat-textarea{flex:1;background:none;border:none;outline:none;resize:none;color:var(--text-primary);font-family:inherit;font-size:.9rem;line-height:1.5;max-height:140px;overflow-y:auto}.chat-textarea::-moz-placeholder{color:var(--text-muted)}.chat-textarea::placeholder{color:var(--text-muted)}.chat-send-btn{width:36px;height:36px;border-radius:10px;border:none;background:var(--bg-overlay);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .18s;flex-shrink:0}.chat-send-btn.active{background:var(--grad-brand);color:#fff;box-shadow:0 2px 12px #875af266}.chat-send-btn.active:hover{transform:scale(1.05)}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed}.chat-input-right-actions{display:flex;align-items:center;gap:8px}.chat-model-selector{display:flex;align-items:center;gap:6px;padding:6px 10px;background:var(--bg-overlay);border-radius:var(--radius-md);font-size:.8rem;color:var(--text-primary);cursor:pointer;border:1px solid var(--border-subtle);transition:background .2s}.chat-model-selector:hover{background:var(--bg-raised)}.chat-model-tier{color:var(--text-muted)}.chat-add-wrapper{position:relative;display:flex;align-items:center;height:36px}.chat-input-add-btn{width:36px;height:36px;border-radius:10px;border:none;background:none;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .18s;flex-shrink:0}.chat-input-add-btn:hover{background:var(--bg-overlay);color:var(--text-primary)}.chat-add-menu{position:absolute;bottom:calc(100% + 10px);left:0;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:6px;box-shadow:0 4px 12px #0003;z-index:10}.spin-icon{animation:spin 1s linear infinite}.chat-input-hint{font-size:.7rem;color:var(--text-muted);margin-top:7px;text-align:center}.chat-mode-toggle{flex-shrink:0;display:flex;align-items:center;gap:2px;background:var(--bg-overlay);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:3px}.chat-mode-pill{border:none;background:none;padding:5px 10px;border-radius:7px;font-family:inherit;font-size:.75rem;font-weight:500;color:var(--text-muted);cursor:pointer;transition:all .15s;white-space:nowrap}.chat-mode-pill:hover{color:var(--text-primary)}.chat-mode-pill.active{background:#875af226;color:var(--nova-purple-light)}.chat-recommendation{margin-top:10px;padding:10px 12px;border-left:3px solid var(--nova-amber);background:#fab33814;border-radius:var(--radius-md)}.chat-recommendation-header{margin-bottom:6px}.chat-recommendation-disclaimer{margin-top:8px;font-size:.72rem;color:var(--text-muted);font-style:italic}.kebab-menu{position:relative;display:inline-flex}.kebab-menu-trigger{display:flex;align-items:center;justify-content:center;width:26px;height:26px;border:none;border-radius:6px;background:none;color:var(--text-muted);cursor:pointer;transition:all 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6px)}.project-archived-toggle:hover{color:var(--text-primary);background:var(--bg-overlay)}.project-detail{max-width:760px}.project-detail-breadcrumb{display:flex;align-items:center;gap:4px;font-size:.78rem;color:var(--text-muted);margin-bottom:16px}.project-detail-breadcrumb a{color:var(--text-muted);text-decoration:none}.project-detail-breadcrumb a:hover{color:var(--nova-purple-light)}.project-detail-breadcrumb span{color:var(--text-secondary)}.project-detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:20px}.project-detail-title{display:flex;align-items:center;gap:8px;font-size:1.4rem;margin-bottom:6px}.project-detail-instructions{font-size:.85rem;color:var(--text-muted);max-width:620px}.project-detail-compose{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--grad-card);border:1px solid 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var(--border-subtle);border-radius:var(--radius-lg)}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:99px;font-size:.7rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.badge-purple{background:#875af226;color:var(--nova-purple-light)}.badge-blue{background:#3d7af526;color:var(--nova-blue)}.badge-green{background:#26d98526;color:var(--nova-green)}.badge-amber{background:#fab33826;color:var(--nova-amber)}.badge-red{background:#eb554726;color:var(--nova-red)}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:20px;height:20px;border:2px solid var(--border-default);border-top-color:var(--nova-purple);border-radius:50%;animation:spin .8s linear infinite}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s var(--ease-out) both}.divider{height:1px;background:var(--border-subtle);margin:16px 0}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:48px 24px;color:var(--text-muted);text-align:center}.empty-state svg{opacity:.35}.empty-state p{font-size:.875rem;max-width:280px}[data-tooltip]{position:relative}[data-tooltip]:after{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%);background:var(--bg-elevated);border:1px solid var(--border-default);color:var(--text-primary);font-size:.75rem;white-space:nowrap;padding:4px 8px;border-radius:6px;pointer-events:none;opacity:0;transition:opacity .15s;z-index:100}[data-tooltip]:hover:after{opacity:1}.app-shell{display:flex;height:100vh;overflow:hidden}.page-content{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.page-header{padding:20px 28px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;gap:16px;flex-shrink:0;background:var(--bg-raised)}.page-body{flex:1;overflow-y:auto;padding:24px 28px}select.input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px;cursor:pointer}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:.8rem;font-weight:500;color:var(--text-secondary);letter-spacing:.02em}