:root,[data-theme=dark]{--bg-primary: #0a0e14;--bg-surface: #131820;--bg-elevated: #1a2030;--bg-hover: #1e2838;--border: #1e2530;--border-active: #2d3a4a;--text-primary: #e6edf3;--text-secondary: #8b949e;--text-muted: #545d68;--accent-amber: #f0a500;--accent-amber-dim: rgba(240, 165, 0, .12);--accent-teal: #00b4d8;--accent-teal-dim: rgba(0, 180, 216, .1);--accent-coral: #e85d24;--accent-coral-dim: rgba(232, 93, 36, .12);--accent-green: #3fb950;--accent-green-dim: rgba(63, 185, 80, .12);--accent-purple: #a78bfa;--accent-purple-dim: rgba(167, 139, 250, .1);--accent-red: #f04848;--accent-red-dim: rgba(240, 72, 72, .1);--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.4);--mitigation-bg: rgba(0,0,0,.2);--downstream-border: rgba(232, 93, 36, .25);--logo-icon-color: #000}[data-theme=light]{--bg-primary: #f8f9fb;--bg-surface: #ffffff;--bg-elevated: #f0f2f5;--bg-hover: #e8ebef;--border: #d8dde4;--border-active: #c0c8d0;--text-primary: #1a1d21;--text-secondary: #5a6370;--text-muted: #8c95a0;--accent-amber: #d48f00;--accent-amber-dim: rgba(212, 143, 0, .1);--accent-teal: #0090b0;--accent-teal-dim: rgba(0, 144, 176, .08);--accent-coral: #d04f1a;--accent-coral-dim: rgba(208, 79, 26, .08);--accent-green: #1a8a35;--accent-green-dim: rgba(26, 138, 53, .08);--accent-purple: #7c5cc4;--accent-purple-dim: rgba(124, 92, 196, .08);--accent-red: #d43030;--accent-red-dim: rgba(212, 48, 48, .08);--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--mitigation-bg: rgba(0,0,0,.04);--downstream-border: rgba(208, 79, 26, .2);--logo-icon-color: #000}:root{--font-sans: "DM Sans", -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;transition:background .25s,color .25s}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-active)}.app{display:grid;grid-template-rows:auto 1fr;min-height:100vh}.app-header{padding:16px 32px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:var(--bg-surface);transition:background .25s,border-color .25s}.app-header h1{font-size:16px;font-weight:600;letter-spacing:-.02em;display:flex;align-items:center;gap:10px}.app-header h1 .logo-img{height:44px;width:auto;object-fit:contain}.header-right{display:flex;align-items:center;gap:16px}.app-header .status{font-size:12px;color:var(--text-muted);font-family:var(--font-mono)}.theme-toggle{width:32px;height:32px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.theme-toggle:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-active)}.app-main{display:grid;grid-template-columns:380px 1fr;overflow:hidden}.left-panel{border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;transition:border-color .25s}.right-panel{overflow-y:auto;padding:24px 32px}.input-panel{padding:24px;border-bottom:1px solid var(--border)}.input-panel h2{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);margin-bottom:12px}.input-group{position:relative}.input-group textarea{width:100%;min-height:88px;padding:12px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:14px;resize:vertical;outline:none;transition:border-color .2s,background .25s}.input-group textarea:focus{border-color:var(--accent-teal)}.input-group textarea::placeholder{color:var(--text-muted)}.input-actions{display:flex;gap:8px;margin-top:10px}.btn-primary{flex:1;padding:10px 16px;background:var(--accent-teal);color:#000;border:none;border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:13px;font-weight:600;cursor:pointer;transition:opacity .2s,transform .1s;display:flex;align-items:center;justify-content:center;gap:6px}.btn-primary:hover:not(:disabled){opacity:.9}.btn-primary:active:not(:disabled){transform:scale(.98)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-secondary{padding:10px 16px;background:var(--bg-elevated);color:var(--text-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:13px;font-weight:500;cursor:pointer;transition:background .2s}.btn-secondary:hover{background:var(--bg-hover)}.presets{padding:16px 24px}.presets h3{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:8px}.preset-btn{display:block;width:100%;text-align:left;padding:10px 12px;margin-bottom:4px;background:none;border:1px solid transparent;border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-sans);font-size:13px;cursor:pointer;transition:all .15s;line-height:1.4}.preset-btn:hover{background:var(--bg-elevated);border-color:var(--border);color:var(--text-primary)}.preset-btn .preset-label{color:var(--accent-amber);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.04em;display:block;margin-bottom:2px}.reasoning-stream{flex:1;overflow-y:auto;padding:16px 24px}.stream-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);font-size:13px;gap:12px}.stream-empty .empty-icon{width:48px;height:48px;border-radius:50%;background:var(--bg-elevated);display:flex;align-items:center;justify-content:center}.event-item{margin-bottom:6px;animation:fadeSlideIn .25s ease-out}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.event-thinking{padding:8px 12px;font-size:13px;color:var(--text-secondary);line-height:1.5;border-left:2px solid var(--border);margin-left:4px}.event-tool-call{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--accent-teal-dim);border-radius:var(--radius-sm);font-size:12px;font-family:var(--font-mono)}.event-tool-call .tool-icon{width:20px;height:20px;border-radius:4px;background:var(--accent-teal);color:#000;display:flex;align-items:center;justify-content:center;font-size:10px;flex-shrink:0}.event-tool-call .tool-name{color:var(--accent-teal);font-weight:500}.event-tool-call .tool-input{color:var(--text-muted);margin-left:auto;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.event-tool-result{padding:6px 12px;font-size:12px;color:var(--text-secondary);font-family:var(--font-mono);display:flex;align-items:center;gap:6px}.event-tool-result .result-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-green);flex-shrink:0}.event-tool-result.has-warning .result-dot{background:var(--accent-coral)}.event-root-cause{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--accent-purple-dim);border-radius:var(--radius-sm);font-size:12px;font-family:var(--font-mono);color:var(--accent-purple)}.event-root-cause .root-cause-label{font-weight:500}.event-scenarios{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--accent-teal-dim);border-radius:var(--radius-sm);font-size:12px;font-family:var(--font-mono);color:var(--accent-teal)}.confidence-badge{display:inline-block;padding:1px 6px;border-radius:3px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;margin-left:auto}.confidence-badge.high{background:var(--accent-green-dim);color:var(--accent-green)}.confidence-badge.medium{background:var(--accent-amber-dim);color:var(--accent-amber)}.confidence-badge.low{background:var(--accent-red-dim);color:var(--accent-red)}.results-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:60vh;color:var(--text-muted);font-size:14px;gap:8px}.results-container{max-width:800px;animation:fadeSlideIn .4s ease-out}.result-section{margin-bottom:32px}.result-section h2{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:12px;display:flex;align-items:center;gap:8px}.result-section h2 .section-dot{width:8px;height:8px;border-radius:50%}.root-cause-card{padding:20px;background:var(--bg-surface);border:1px solid var(--border);border-left:3px solid var(--accent-purple);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.root-cause-header{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--accent-purple);margin-bottom:10px;font-family:var(--font-mono)}.root-cause-content{font-size:14px;line-height:1.7;color:var(--text-primary)}.root-cause-evidence{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.evidence-tag{display:inline-block;padding:2px 8px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:3px;font-size:11px;font-family:var(--font-mono);color:var(--text-muted)}.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.scenario-card{padding:18px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);transition:border-color .2s,background .25s;position:relative;box-shadow:var(--shadow-sm)}.scenario-card.recommended{border-color:var(--accent-green);background:var(--accent-green-dim)}.scenario-card .scenario-badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;font-family:var(--font-mono);margin-bottom:8px}.scenario-card.recommended .scenario-badge{background:var(--accent-green);color:#000}.scenario-card:not(.recommended) .scenario-badge{background:var(--bg-elevated);color:var(--text-secondary)}.scenario-card .scenario-name{font-size:14px;font-weight:600;margin-bottom:6px}.scenario-card .scenario-action{font-size:12px;color:var(--text-secondary);margin-bottom:14px;line-height:1.5}.scenario-card .scenario-metrics{display:flex;flex-direction:column;gap:6px}.scenario-metric{display:flex;justify-content:space-between;font-size:12px}.scenario-metric .metric-label{color:var(--text-muted)}.scenario-metric .metric-value{font-family:var(--font-mono);font-weight:500}.scenario-metric .metric-value.cost{color:var(--accent-coral)}.scenario-metric .metric-value.savings{color:var(--accent-green)}.scenario-metric .metric-value.neutral{color:var(--text-secondary)}.scenario-card .risk-badge{display:inline-block;padding:2px 6px;border-radius:3px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.risk-badge.low{background:var(--accent-green-dim);color:var(--accent-green)}.risk-badge.medium{background:var(--accent-amber-dim);color:var(--accent-amber)}.risk-badge.high{background:var(--accent-red-dim);color:var(--accent-red)}.downstream-card{padding:18px;background:var(--accent-coral-dim);border:1px solid var(--downstream-border);border-radius:var(--radius-lg)}.downstream-card h3{font-size:13px;font-weight:600;color:var(--accent-coral);margin-bottom:10px;display:flex;align-items:center;gap:6px}.warning-scenario-badge{margin-left:auto;padding:1px 6px;border-radius:3px;font-size:10px;font-weight:600;background:var(--accent-coral);color:#fff;text-transform:uppercase;letter-spacing:.04em}.downstream-chain{display:flex;flex-direction:column;gap:0}.chain-step{display:flex;align-items:flex-start;gap:10px;padding:6px 0;font-size:13px;color:var(--text-secondary)}.chain-step .chain-connector{display:flex;flex-direction:column;align-items:center;width:16px;flex-shrink:0;padding-top:4px}.chain-step .chain-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-coral);flex-shrink:0}.chain-step .chain-line{width:1px;height:20px;background:var(--downstream-border)}.chain-step:last-child .chain-line{display:none}.chain-step .chain-text{padding-top:0}.downstream-card .mitigation{margin-top:12px;padding:10px 12px;background:var(--mitigation-bg);border-radius:var(--radius-sm);font-size:12px;font-family:var(--font-mono);color:var(--accent-amber)}.recommendation-card{padding:20px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);font-size:14px;line-height:1.7;color:var(--text-primary);white-space:pre-wrap;box-shadow:var(--shadow-sm)}.stakeholder-notes{margin-top:12px;display:flex;flex-direction:column;gap:6px}.stakeholder-note{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--bg-elevated);border-radius:var(--radius-sm);font-size:12px}.stakeholder-dept{display:flex;align-items:center;gap:4px;font-weight:600;color:var(--accent-teal);font-family:var(--font-mono);text-transform:capitalize;min-width:100px;flex-shrink:0}.stakeholder-text{color:var(--text-secondary)}.spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent-teal);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:900px){.app-main{grid-template-columns:1fr;grid-template-rows:auto 1fr}.left-panel{border-right:none;border-bottom:1px solid var(--border);max-height:45vh}.scenarios-grid{grid-template-columns:1fr}}