:root{--bg-primary: #020617;--bg-secondary: #0f172a;--bg-card: #1e293b;--bg-highlight: #334155;--bg-input: #0f172a;--border-light: rgba(255, 255, 255, .08);--border-active: rgba(56, 189, 248, .5);--accent-primary: #38bdf8;--accent-secondary: #818cf8;--accent-success: #34d399;--accent-warning: #fbbf24;--accent-danger: #f87171;--accent-glow: rgba(56, 189, 248, .15);--accent-success-soft: color-mix(in srgb, var(--accent-success) 12%, transparent);--accent-warning-soft: color-mix(in srgb, var(--accent-warning) 10%, transparent);--accent-warning-border: color-mix(in srgb, var(--accent-warning) 30%, transparent);--accent-danger-soft: color-mix(in srgb, var(--accent-danger) 10%, transparent);--accent-danger-border: color-mix(in srgb, var(--accent-danger) 30%, transparent);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-contrast: #ffffff;--surface-translucent: rgba(255, 255, 255, .05);--surface-hover: rgba(255, 255, 255, .04);--surface-subtle: rgba(255, 255, 255, .02);--border-faint: rgba(255, 255, 255, .03);--shadow-modal: 0 25px 60px rgba(0, 0, 0, .5);--shadow-card: 0 4px 24px rgba(0, 0, 0, .3);--shadow-float: 0 4px 12px rgba(0, 0, 0, .3);--shadow-sidebar: 4px 0 24px rgba(0, 0, 0, .5);--backdrop: rgba(0, 0, 0, .7);--overlay-scrim: rgba(0, 0, 0, .5);--accent-primary-hover: #22d3ee;--font-display: "Space Grotesk", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--transition-fast: .15s ease;--transition-base: .25s ease;--sidebar-width: 260px;--sidebar-collapsed: 64px}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.02em}h1{font-size:1.75rem;font-weight:700}h2{font-size:1.375rem;font-weight:600}h3{font-size:1.125rem;font-weight:600}h4{font-size:.9375rem;font-weight:600}.app-layout{display:flex;width:100%;height:100%}.app-body{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}.main-content{flex:1;min-width:0;overflow-y:auto;padding:32px;background:var(--bg-primary)}.main-content.full-bleed{padding:0;overflow:hidden}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-light);display:flex;flex-direction:column;transition:width var(--transition-base),min-width var(--transition-base);overflow:hidden;z-index:100}.sidebar-logo{padding:24px 20px 20px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:10px}.sidebar-logo img{height:24px;display:block;flex-shrink:0}.sidebar-logo h1{font-size:1.1rem;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.01em}.sidebar-logo .logo-subtitle{font-size:.625rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.15em;margin-top:2px}.sidebar-slot{padding:12px 16px;border-bottom:1px solid var(--border-light);font-size:.75rem;color:var(--text-secondary)}.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px;overflow-y:auto;min-height:0}.nav-section-label{font-size:.625rem;text-transform:uppercase;letter-spacing:.15em;color:var(--text-muted);padding:12px 12px 6px}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.8125rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);border:1px solid transparent;background:transparent;width:100%;text-align:left;font-family:var(--font-body)}.nav-item:hover{background:var(--surface-hover);color:var(--text-primary)}.nav-item.active{background:color-mix(in srgb,var(--accent-primary) 8%,transparent);color:var(--accent-primary);border-color:color-mix(in srgb,var(--accent-primary) 15%,transparent)}.nav-item-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.nav-item-new{border-style:dashed;border-color:var(--border-light);color:var(--text-muted);justify-content:center;margin-top:4px}.nav-item-new:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.nav-divider{height:1px;background:var(--border-light);margin:8px 12px}.sidebar-footer{padding:12px 12px 16px;border-top:1px solid var(--border-light);display:flex;flex-direction:column;gap:8px}.account-menu{display:inline-flex;align-items:center;gap:8px;min-width:0}.account-menu-stacked{display:flex;flex-direction:column;align-items:stretch;gap:8px}.account-menu-email{font-size:.75rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-menu-inline .account-menu-email{max-width:200px}.build-stamp{font-size:.6875rem;line-height:1.4;color:var(--text-muted);font-family:var(--font-mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;opacity:.75}.build-stamp-mismatch{color:var(--accent-warning);opacity:1}.sidebar-select{width:100%;padding:8px 10px;font-size:.75rem;cursor:pointer;background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-light);border-radius:var(--radius-sm);font-family:var(--font-body);outline:none;transition:border-color var(--transition-fast)}.sidebar-select:focus{border-color:var(--accent-primary)}.stat-grid,.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stats-grid-4{grid-template-columns:repeat(4,1fr)}.stats-grid-5{grid-template-columns:repeat(5,1fr)}.stat-card{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:20px;transition:all var(--transition-base)}.stat-card:hover{border-color:color-mix(in srgb,var(--accent-primary) 20%,transparent);transform:translateY(-1px)}.stat-label{font-size:.6875rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:8px}.stat-value{font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:var(--text-primary)}.stat-sub{font-size:.75rem;color:var(--text-secondary);margin-top:4px}.card{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:24px;overflow:hidden;transition:all var(--transition-base)}.card:hover{border-color:color-mix(in srgb,var(--accent-primary) 20%,transparent);box-shadow:var(--shadow-card)}.card-header{padding:20px 24px 16px;margin:-24px -24px 16px;border-bottom:1px solid var(--border-light)}.card-body{min-width:0}.card-compact{padding:16px}.dashboard-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}@media(max-width:1200px){.stats-grid-4,.stats-grid-5{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.dashboard-grid-2{grid-template-columns:1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;border-radius:var(--radius-sm);font-size:.8125rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);border:1px solid transparent;font-family:var(--font-body)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--accent-primary);color:var(--bg-primary)}.btn-primary:hover:not(:disabled){background:var(--accent-primary-hover)}.btn-gradient{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:var(--accent-contrast);border-color:transparent}.btn-gradient:hover:not(:disabled){filter:brightness(1.08)}.btn-secondary{background:transparent;border-color:var(--border-light);color:var(--text-secondary)}.btn-secondary:hover:not(:disabled){border-color:var(--accent-primary);color:var(--text-primary)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){color:var(--text-primary);background:var(--surface-hover)}.btn-danger{background:transparent;border-color:var(--accent-danger-border);color:var(--accent-danger)}.btn-danger:hover:not(:disabled){background:var(--accent-danger-soft)}.btn-sm{padding:6px 12px;font-size:.75rem}.btn-lg{padding:12px 24px;font-size:.875rem}.btn-block{width:100%}.btn-icon{width:40px;height:40px;padding:0;flex-shrink:0}.input,.select{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.875rem;font-family:var(--font-body);transition:border-color var(--transition-fast);outline:none}.input:focus,.select:focus{border-color:var(--accent-primary)}.input::placeholder{color:var(--text-muted)}.input:disabled,.select:disabled{cursor:default}.input-sm,.select-sm{padding:6px 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th{font-size:.6875rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);text-align:left;padding:10px 16px;border-bottom:1px solid var(--border-light);font-weight:600}.data-table td{padding:12px 16px;border-bottom:1px solid var(--border-faint);font-size:.8125rem;color:var(--text-secondary)}.data-table tr:hover td{background:var(--surface-subtle)}.data-table .number{font-family:var(--font-mono);text-align:right}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:4px;font-size:.625rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em}.badge-blue{background:color-mix(in srgb,var(--accent-primary) 15%,transparent);color:var(--accent-primary)}.badge-purple{background:color-mix(in srgb,var(--accent-secondary) 15%,transparent);color:var(--accent-secondary)}.badge-green{background:color-mix(in srgb,var(--accent-success) 15%,transparent);color:var(--accent-success)}.badge-yellow{background:color-mix(in srgb,var(--accent-warning) 15%,transparent);color:var(--accent-warning)}.badge-red{background:color-mix(in srgb,var(--accent-danger) 15%,transparent);color:var(--accent-danger)}.badge-muted{background:var(--surface-translucent);color:var(--text-muted)}.chip{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;font-size:.6875rem;line-height:1.4;white-space:nowrap;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border-light);color:var(--text-secondary);font-family:var(--font-body)}.chip-clickable{cursor:pointer;transition:border-color var(--transition-fast),color var(--transition-fast)}.chip-clickable:hover{border-color:color-mix(in srgb,var(--accent-primary) 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table{width:100%;border-collapse:collapse;margin:8px 0}.chat-bubble.assistant th,.chat-bubble.assistant td{padding:6px 10px;border:1px solid var(--border-light);font-size:.8125rem;text-align:left}.chat-bubble.assistant th{background:var(--bg-highlight);font-weight:600}.md-table-row:nth-child(2n) td{background:var(--surface-subtle)}.md-table-row:hover td{background:color-mix(in srgb,var(--accent-primary) 4%,transparent)}.mermaid-diagram svg{max-width:100%;height:auto}.mermaid-diagram .node rect,.mermaid-diagram .node circle,.mermaid-diagram .node polygon{stroke-width:1.5px}.chat-input-area{padding:16px 24px;border-top:1px solid var(--border-light);background:var(--bg-secondary)}.chat-composer{max-width:760px;margin:0 auto;display:flex;align-items:flex-end;gap:8px}.thinking-trail{font-size:.6875rem;color:var(--text-muted)}.thinking-trail summary{cursor:pointer;-webkit-user-select:none;user-select:none}.thinking-trail-body{padding:6px 0 0 12px}.thinking-trail-step{padding:2px 0}.thinking-trail-step:before{content:"›";color:var(--accent-primary);margin-right:6px}.doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.doc-card{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:20px;cursor:pointer;transition:all var(--transition-base);text-align:left}.doc-card:hover{border-color:var(--accent-primary);box-shadow:0 0 20px var(--accent-glow);transform:translateY(-2px)}.doc-card-title{font-size:.875rem;font-weight:600;color:var(--text-primary);margin-bottom:8px;line-height:1.4}.doc-card-meta{font-size:.75rem;color:var(--text-muted);display:flex;gap:12px;flex-wrap:wrap}.doc-card-summary{font-size:.75rem;color:var(--text-secondary);margin-top:10px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.dropzone{border:2px dashed var(--border-light);border-radius:var(--radius-lg);padding:48px;text-align:center;transition:all 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