:root{--bg: #f7f7f4;--sidebar-bg: #f4f4f1;--chat-rail-bg: #f8f8f5;--surface: #ffffff;--surface-2: #fafaf7;--inset: #f4f4f1;--border: #e6e5e0;--border-soft: #ecebe6;--border-strong: #d9d8d2;--text: #203233;--text-2: #5a6a6b;--text-3: #8a9697;--brand-teal: #00BEAA;--brand-teal-dark: #007F76;--brand-forest: #203233;--brand-orange: #FFB018;--brand-yellow: #FFDE68;--accent: var(--brand-teal);--accent-hover: var(--brand-teal-dark);--accent-soft: #e6faf6;--accent-ring: rgba(0, 190, 170, .22);--primary: var(--brand-forest);--primary-hover: #111d1e;--primary-soft: #ecf2f1;--success: var(--brand-teal-dark);--success-bg: #e6faf6;--warn: #b15c00;--warning: #b15c00;--warn-bg: #fff4d6;--danger: #b42318;--danger-bg: #feecec;--shadow-1: 0 1px 2px rgba(15, 15, 15, .04), 0 0 0 1px rgba(15, 15, 15, .04);--shadow-2: 0 14px 36px rgba(15, 15, 15, .1);--sidebar-w: 264px;--right-rail-w: 460px;--header-h: 56px;--tabs-h: 44px;--radius-1: 6px;--radius-2: 10px;--radius-3: 14px;--radius-xl: 18px;--radius-2xl: 24px;--radius-pill: 999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--shadow-sm: 0 1px 2px rgba(15, 15, 15, .05);--shadow-md: 0 4px 14px rgba(15, 15, 15, .08);--shadow-lg: 0 18px 44px rgba(15, 15, 15, .12);--shadow-xl: 0 30px 70px rgba(15, 15, 15, .16);--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--dur-fast: .12s;--dur-base: .2s;--dur-slow: .36s;--skeleton-base: #ecebe6;--skeleton-shine: #f6f6f3;--surface-1: var(--surface);--bg-2: var(--surface-2);--font-ui: "Inter", "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;--font-display: var(--font-ui);--font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;color-scheme:light}:root[data-theme=dark]{--bg: #0d0e0e;--sidebar-bg: #131514;--chat-rail-bg: #111312;--surface: #1a1c1b;--surface-2: #15211f;--inset: #131514;--border: rgba(255, 255, 255, .1);--border-soft: rgba(255, 255, 255, .06);--border-strong: rgba(255, 255, 255, .18);--text: #ecefee;--text-2: #a4b0ae;--text-3: #72807e;--brand-teal: #2dd4bf;--brand-teal-dark: #5eead4;--brand-forest: #ecefee;--brand-orange: #ffbf45;--brand-yellow: #ffe27a;--accent: var(--brand-teal);--accent-hover: #5eead4;--accent-soft: rgba(45, 212, 191, .14);--accent-ring: rgba(45, 212, 191, .3);--primary: var(--brand-teal);--primary-hover: #5eead4;--primary-soft: rgba(45, 212, 191, .12);--success: #34d399;--success-bg: rgba(52, 211, 153, .14);--warn: #fbbf45;--warning: #fbbf45;--warn-bg: rgba(251, 191, 69, .14);--danger: #f87171;--danger-bg: rgba(248, 113, 113, .14);--shadow-1: 0 1px 2px rgba(0, 0, 0, .4), 0 0 0 1px rgba(255, 255, 255, .05);--shadow-2: 0 14px 36px rgba(0, 0, 0, .5);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 14px rgba(0, 0, 0, .45);--shadow-lg: 0 18px 44px rgba(0, 0, 0, .55);--shadow-xl: 0 30px 70px rgba(0, 0, 0, .6);--skeleton-base: #1f2120;--skeleton-shine: #2a2d2b;color-scheme:dark}:root[data-theme=dark] button.primary,:root[data-theme=dark] a.primary,:root[data-theme=dark] button.success{color:#06201d}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:var(--font-ui);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"ss01","cv11"}@keyframes eo-fade-in-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes eo-fade-in{0%{opacity:0}to{opacity:1}}@keyframes eo-shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.fade-in-up{animation:eo-fade-in-up var(--dur-slow) var(--ease-out) both}.fade-in{animation:eo-fade-in var(--dur-base) var(--ease-out) both}.hover-lift{transition:transform var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out)}.hover-lift:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.skeleton{background:linear-gradient(90deg,var(--skeleton-base) 25%,var(--skeleton-shine) 37%,var(--skeleton-base) 63%);background-size:200% 100%;animation:eo-shimmer 1.4s ease-in-out infinite;border-radius:var(--radius-2)}:where(button,a,input,textarea,select,[tabindex]):focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius-1)}.skip-link{position:absolute;left:12px;top:-48px;z-index:1000;background:var(--surface);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-2);padding:8px 14px;font-weight:600;box-shadow:var(--shadow-md);transition:top var(--dur-base) var(--ease-out)}.skip-link:focus{top:12px}@media (prefers-reduced-motion: reduce){.fade-in-up,.fade-in,.skeleton{animation:none}.hover-lift{transition:none}.hover-lift:hover{transform:none}}button{font:inherit;font-weight:500;color:var(--text);background:var(--surface);border:1px solid var(--border);padding:7px 14px;border-radius:8px;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease;white-space:nowrap}button:hover{background:var(--surface-2);border-color:var(--border-strong)}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}button.success{background:var(--success);border-color:var(--success);color:#fff}button.ghost{background:transparent;border-color:transparent;color:var(--accent)}button.ghost:hover{background:var(--accent-soft);border-color:transparent}a.primary{background:var(--accent);border-color:var(--accent);color:#fff;display:inline-block;padding:7px 14px;border-radius:8px;border:1px solid var(--accent);text-decoration:none;font-weight:500}a.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);text-decoration:none;color:#fff}input,textarea,select{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:8px 11px;width:100%}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}textarea{min-height:64px;resize:vertical;font-family:inherit;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code,.mono{font-family:var(--font-mono);font-size:12px}.shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr var(--right-rail-w);height:100vh;width:100vw;overflow:hidden;background:var(--bg)}.shell.chat-first{grid-template-columns:var(--sidebar-w) 1fr}.canvas{display:flex;flex-direction:column;min-width:0;height:100vh;overflow:hidden;background:var(--bg)}.canvas-main{flex:1;min-height:0;display:flex;flex-direction:column;overflow:auto}.canvas-main--welcome{display:flex;align-items:center;justify-content:center;overflow:auto;background:radial-gradient(ellipse 80% 60% at 50% 0%,var(--accent-soft) 0%,transparent 55%),var(--bg)}:root[data-theme=dark] .canvas-main--welcome{background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(45,212,191,.06) 0%,transparent 55%),var(--bg)}.canvas .right-rail{flex:1;min-height:0;width:100%;border-left:0;background:transparent}.canvas .right-rail-header,.canvas .right-rail-input{width:100%;max-width:720px;margin:0 auto;background:transparent}.canvas .right-rail-input{border-top:0;box-shadow:none}.canvas .right-rail-body{width:100%;max-width:720px;margin:0 auto}.canvas .right-rail-header{border-bottom:1px solid var(--border-soft)}.shell.chat-first.with-artifact{grid-template-columns:var(--sidebar-w) minmax(420px,560px) minmax(0,1fr)}.with-artifact .canvas .right-rail-header,.with-artifact .canvas .right-rail-input,.with-artifact .canvas .right-rail-body{max-width:none;margin:0}.with-artifact .canvas{border-right:1px solid var(--border-soft)}.artifact-pane{display:flex;flex-direction:column;min-width:0;height:100vh;overflow:hidden;background:var(--surface);animation:eo-fade-in var(--dur-base) var(--ease-out)}.artifact-pane-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border-soft);background:var(--bg)}.artifact-pane-title{display:flex;align-items:center;gap:8px;min-width:0}.artifact-pane-dot{width:8px;height:8px;border-radius:50%;background:var(--success, #16a34a);flex:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--success, #16a34a) 22%,transparent)}.artifact-pane-name{font-weight:650;font-size:14px;color:var(--text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.artifact-pane-actions{display:flex;align-items:center;gap:8px;flex:none}.artifact-pane-body{flex:1;min-height:0;overflow:auto;padding:16px 20px 24px}.artifact-pane-body .workbook-preview-card{border:none;box-shadow:none;background:transparent}.chat-artifact.chat-artifact-slim{display:flex;flex-direction:row;align-items:center;gap:12px;padding:12px 14px}.chat-artifact-slim .chat-artifact-meta{flex:1;min-width:0}.chat-artifact-slim .chat-artifact-download{flex:none}.rail-header-btn{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;border-radius:var(--radius-pill);border:1px solid var(--border-soft);background:var(--surface);color:var(--text-2);font-size:12px;font-weight:600;cursor:pointer;transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out)}.rail-header-btn:hover{background:var(--surface-2);color:var(--text);border-color:var(--border)}.workspace-scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;background:#0f12126b;opacity:0;pointer-events:none;transition:opacity var(--dur-base) var(--ease-out)}.workspace-scrim.open{opacity:1;pointer-events:auto}.workspace-drawer{position:fixed;top:0;right:0;bottom:0;z-index:95;width:min(760px,92vw);background:var(--bg);border-left:1px solid var(--border);box-shadow:var(--shadow-xl);display:flex;flex-direction:column;overflow:hidden;transform:translate(100%);transition:transform var(--dur-slow) var(--ease-out)}.workspace-drawer.open{transform:translate(0)}@media (prefers-reduced-motion: reduce){.workspace-drawer{transition:none}}.workspace-drawer-bar{display:flex;align-items:center;gap:10px;height:44px;padding:0 16px;flex-shrink:0;border-bottom:1px solid var(--border-soft)}.workspace-drawer-eyebrow{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3)}.workspace-drawer .stage-body{flex:1;min-height:0;overflow:auto}.nav-rail{background:var(--sidebar-bg);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;height:100%;box-sizing:border-box}.nav-rail.expanded{padding:14px 12px}.nav-rail.collapsed{padding:14px 0;align-items:center}.nav-rail-logo{width:22px;height:22px;flex-shrink:0;background:linear-gradient(var(--brand-teal),var(--brand-teal)) left 2px top 5px / 6px 13px no-repeat,linear-gradient(var(--brand-teal-dark),var(--brand-teal-dark)) left 10px top 2px / 5px 18px no-repeat,linear-gradient(var(--brand-teal),var(--brand-teal)) left 17px top 8px / 5px 9px no-repeat;border-radius:4px}.nav-rail-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:4px 6px 10px}.nav-rail-brand{display:flex;align-items:center;gap:10px;min-width:0}.nav-rail-brand-text{display:flex;flex-direction:column;min-width:0}.nav-rail-wordmark{font-size:16px;font-weight:800;letter-spacing:-.02em;color:var(--brand-forest);line-height:1.1}.nav-rail-byline{font-size:11px;color:var(--text-3);line-height:1.3}.nav-rail-byline strong{color:var(--brand-teal-dark);font-weight:700}:root[data-theme=dark] .nav-rail-byline strong{color:var(--brand-teal)}.rail-icon-btn{all:unset;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-2);color:var(--text-2);cursor:pointer;transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out);flex-shrink:0}.rail-icon-btn:hover{background:var(--inset);color:var(--text)}.rail-icon-btn.accent{background:var(--accent);color:#fff}:root[data-theme=dark] .rail-icon-btn.accent{color:#06201d}.rail-icon-btn.accent:hover{background:var(--accent-hover)}.nav-rail-new{display:flex;align-items:center;gap:8px;width:100%;margin:2px 0 8px;padding:9px 12px;border-radius:var(--radius-2);background:var(--accent);border:1px solid var(--accent);color:#fff;font-weight:600;font-size:13px;white-space:nowrap}:root[data-theme=dark] .nav-rail-new{color:#06201d}.nav-rail-new:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.nav-rail-new:disabled{opacity:.5;cursor:not-allowed}.nav-rail-create{display:flex;flex-direction:column;gap:8px;margin-bottom:10px}.nav-rail-create-actions{display:flex;justify-content:flex-end;gap:6px}.nav-rail-section-label{display:flex;align-items:center;gap:6px;padding:8px 8px 6px;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3)}.nav-rail-count{font-weight:600;color:var(--text-3);opacity:.8}.nav-rail-list{display:flex;flex-direction:column;gap:2px;overflow-y:auto;min-height:0;flex:0 1 auto}.nav-rail-empty{padding:6px 8px;font-size:12px;color:var(--text-3)}.nav-rail-item{position:relative;display:flex;align-items:center;gap:6px;padding:8px 8px 8px 12px;border-radius:var(--radius-2);cursor:pointer;transition:background var(--dur-fast) var(--ease-out)}.nav-rail-item:before{content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%) scaleY(0);width:3px;height:18px;border-radius:3px;background:var(--accent);transition:transform var(--dur-base) var(--ease-out)}.nav-rail-item:hover{background:var(--inset)}.nav-rail-item.active{background:var(--accent-soft)}.nav-rail-item.active:before{transform:translateY(-50%) scaleY(1)}.nav-rail-item-main{flex:1;min-width:0}.nav-rail-item-name{font-size:13px;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-rail-item.active .nav-rail-item-name{color:var(--accent-hover)}:root[data-theme=dark] .nav-rail-item.active .nav-rail-item-name{color:var(--brand-teal)}.nav-rail-item-meta{font-size:11px;color:var(--text-3);margin-top:1px}.nav-rail-rename-input{width:100%;font-size:13px;padding:3px 6px}.nav-rail-item-menu{all:unset;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:var(--radius-1);color:var(--text-3);cursor:pointer;opacity:0;flex-shrink:0}.nav-rail-item:hover .nav-rail-item-menu{opacity:1}.nav-rail-item-menu:hover{background:var(--surface);color:var(--text)}.nav-rail-spacer{flex:1 1 auto;min-height:8px}.nav-rail-foot{display:flex;flex-direction:column;gap:2px;padding-top:8px;border-top:1px solid var(--border-soft)}.nav-rail.collapsed .nav-rail-foot{align-items:center;width:100%}.nav-rail-foot-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border:0;background:transparent;border-radius:var(--radius-2);color:var(--text-2);font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap}.nav-rail-foot-item:hover{background:var(--inset);color:var(--text)}.nav-rail-account{display:flex;align-items:center;gap:9px;margin-top:6px;padding:8px 8px 8px 10px;border-radius:var(--radius-2);background:var(--inset)}.nav-rail-account-text{flex:1;min-width:0}.nav-rail-account-name{font-size:12.5px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-rail-account-sub{font-size:11px;color:var(--text-3)}.nav-rail-version{margin-top:6px;padding:6px 10px;font-size:11px;color:var(--text-3)}.rail-avatar{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;flex-shrink:0;background:var(--accent);color:#fff;font-size:11.5px;font-weight:700;border:0;cursor:pointer}:root[data-theme=dark] .rail-avatar{color:#06201d}.nav-rail-top{display:flex;flex-direction:column;align-items:center;gap:10px;padding-bottom:8px}.nav-rail-projects{display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:10px;overflow-y:auto;min-height:0;flex:0 1 auto}.rail-project-dot{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-2);border:1px solid var(--border);background:var(--surface);color:var(--text-2);font-size:12px;font-weight:700;cursor:pointer;flex-shrink:0;transition:all var(--dur-fast) var(--ease-out)}.rail-project-dot:hover{border-color:var(--accent);color:var(--accent)}.rail-project-dot.active{background:var(--accent);border-color:var(--accent);color:#fff}:root[data-theme=dark] .rail-project-dot.active{color:#06201d}.nav-rail.collapsed .nav-rail-foot{margin-top:auto;padding-top:8px}.sidebar{background:var(--sidebar-bg);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;position:relative}.sidebar-brand{padding:22px 20px 16px}.sidebar-brand .brand{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--brand-forest);display:flex;align-items:center;gap:9px;line-height:1}.sidebar-brand .brand:before{content:"";display:inline-block;width:20px;height:20px;flex-shrink:0;background:linear-gradient(var(--brand-teal),var(--brand-teal)) left 2px top 4px / 6px 12px no-repeat,linear-gradient(var(--brand-teal-dark),var(--brand-teal-dark)) left 9px top 2px / 4px 16px no-repeat,linear-gradient(var(--brand-teal),var(--brand-teal)) left 15px top 7px / 4px 8px no-repeat;border-radius:4px}.sidebar-brand .brand-byline{margin-top:8px;font-size:11.5px;color:var(--text-2);display:flex;align-items:center;gap:7px;font-weight:500;letter-spacing:.01em}.sidebar-brand .brand-byline strong,.brand-author{font-weight:700;color:var(--brand-teal-dark);letter-spacing:-.005em}.sidebar-brand .brand-beta{font-size:9.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-teal-dark);background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--brand-teal) 35%,transparent);border-radius:4px;padding:1px 6px;line-height:1.4}.sidebar-brand .subtitle{font-size:11.5px;color:var(--text-3);margin-top:8px;line-height:1.5}.sidebar-section{padding:14px 16px 12px}.sidebar-section+.sidebar-section{border-top:1px solid var(--border-soft)}.sidebar-section .section-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:4px 6px;flex-wrap:wrap}.sidebar-section .section-row>.row{flex-shrink:0}.sidebar-section .section-title{font-size:10.5px;font-weight:700;color:var(--text-3);letter-spacing:.08em;text-transform:uppercase;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.sidebar-section .section-action{font-size:11.5px;color:var(--brand-teal-dark);background:transparent;border:none;padding:3px 7px;cursor:pointer;font-weight:600;border-radius:6px;transition:background .12s ease,color .12s ease;flex-shrink:0;white-space:nowrap}.sidebar-section .section-action:hover{background:var(--accent-soft);color:var(--brand-teal-dark)}.sidebar-section .section-toggle{display:inline-flex;align-items:center;gap:8px;background:transparent;border:none;padding:4px 6px;margin-left:-6px;cursor:pointer;border-radius:6px;color:var(--text-3);transition:background .12s ease,color .12s ease;min-width:0;flex:0 1 auto}.sidebar-section .section-toggle:hover{background:#00000008;color:var(--text-1)}.sidebar-section .section-toggle .section-title{margin:0}.sidebar-section .section-count{font-size:10.5px;font-weight:600;color:var(--text-3);background:#0000000a;padding:1px 6px;border-radius:999px;min-width:18px;text-align:center}.sidebar-section .sidebar-section-body{animation:sidebar-section-in .12s ease-out both}.sidebar-section-collapsed .section-row{margin-bottom:4px}@keyframes sidebar-section-in{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.sidebar-list{display:flex;flex-direction:column;gap:2px}.sidebar-item{display:flex;align-items:flex-start;gap:8px;padding:9px 11px;border-radius:9px;cursor:pointer;font-size:13px;color:var(--text);border:1px solid transparent;background:transparent;transition:background .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease;position:relative}.sidebar-item:hover{background:var(--surface);border-color:var(--border-soft)}.sidebar-item.active{background:var(--surface);color:var(--brand-forest);border-color:color-mix(in srgb,var(--brand-teal) 30%,var(--border));box-shadow:0 1px 2px #2032330d,0 0 0 1px color-mix(in srgb,var(--brand-teal) 12%,transparent)}.sidebar-item.active:before{content:"";position:absolute;left:-1px;top:8px;bottom:8px;width:3px;background:var(--brand-teal);border-radius:0 3px 3px 0}.sidebar-item .item-name{flex:1;min-width:0;font-weight:600;overflow-wrap:anywhere;line-height:1.35;color:var(--text)}.sidebar-item.active .item-name{color:var(--brand-forest)}.sidebar-item .item-meta{font-size:11px;color:var(--text-3);margin-top:2px;font-weight:500}.sidebar-item.compact{padding:6px 11px;font-size:12px}.sidebar-cta{display:flex;align-items:center;gap:8px;width:100%;padding:10px 12px;border-radius:9px;border:1px dashed var(--border-strong);background:var(--surface);color:var(--text-2);font-size:12.5px;text-align:left;cursor:pointer;transition:border-color .15s ease,color .15s ease,background .15s ease,transform .05s 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0;padding-left:18px;font-size:12px;color:var(--warn)}.stage-section-title{font-size:12px;font-weight:600;color:var(--text-3);letter-spacing:.02em;margin:4px 0 -4px}.link-button{background:transparent;border:0;padding:0;font:inherit;font-size:13px;color:var(--accent);cursor:pointer;text-decoration:none;font-weight:500}.link-button:hover{text-decoration:underline}.link-button:disabled{opacity:.5;cursor:not-allowed;text-decoration:none}.output-format-block{margin-top:14px;padding:12px 14px;background:var(--surface-1);border-radius:var(--radius-2)}.proposed-change-card{border-color:var(--warn);box-shadow:var(--shadow-1)}.strictness-row{display:flex;flex-wrap:wrap;gap:8px}.strictness-chip{flex:1 1 160px;text-align:left;background:var(--surface-1);border:1px solid var(--border-soft);border-radius:var(--radius-2);padding:10px 12px;cursor:pointer;transition:border-color .12s ease,background .12s ease}.strictness-chip:hover{border-color:var(--border-strong)}.strictness-chip.active{border-color:var(--accent);background:var(--accent-soft)}.strictness-chip:disabled{opacity:.6;cursor:not-allowed}.strictness-chip-label{font-weight:600;font-size:13px;color:var(--text)}.strictness-chip-hint{font-size:12px;color:var(--text-3);margin-top:2px}.proposed-change-list{margin:0;padding-left:20px}.proposed-change-list li{margin:4px 0;font-size:13px;color:var(--text);line-height:1.5}.kv-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}@media (max-width: 760px){.kv-grid{grid-template-columns:1fr}}.kv-label{font-size:11px;font-weight:600;letter-spacing:.02em;color:var(--text-3);margin-bottom:4px}.kv-value{font-size:13px;color:var(--text);line-height:1.5}.pillish-list{list-style:none;margin:0;padding:0;display:flex;gap:6px;flex-wrap:wrap}.pillish-list li{background:var(--surface-2);border:1px solid var(--border-soft);border-radius:8px;padding:3px 8px;font-size:12px}.excel-tag{display:inline-block;font-size:10px;font-weight:700;letter-spacing:.04em;padding:3px 7px;border-radius:5px;background:var(--excel-green-soft, #eaf7ef);color:var(--excel-green, #217346)}.coming-later{color:var(--text-3)}.rail-empty{padding:4px 2px 2px}.rail-empty-title{font-size:16px;font-weight:600;letter-spacing:-.01em;margin:0 0 4px;color:var(--text)}.rail-empty-subtitle{font-size:13px;line-height:1.5;color:var(--text-2);margin:0 0 12px}.rail-empty-suggest-label{font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3);margin-bottom:8px}.example-chip{text-align:left;padding:10px 12px;border-radius:10px;background:var(--surface-2);border:1px solid var(--border-soft);font-size:13px;color:var(--text);cursor:pointer;line-height:1.4;transition:border-color .12s,color .12s,background .12s,transform .06s;display:flex;align-items:flex-start;gap:8px}.example-chip:before{content:"›";color:var(--text-3);font-weight:500;margin-top:1px;transition:color .12s,transform .12s}.example-chip:hover{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 6%,var(--surface-2))}.example-chip:hover:before{color:var(--accent);transform:translate(2px)}.example-chip:active{transform:scale(.99)}.example-chip:disabled{cursor:not-allowed;opacity:.55}.help-list{margin:0;padding-left:18px;font-size:13px;line-height:1.6;color:var(--text)}.help-list li{margin-bottom:4px}.onboarding{max-width:720px;margin:0 auto;padding:clamp(24px,7vh,72px) 20px 48px;width:100%;box-sizing:border-box}:root{--excel-green: #217346;--excel-green-soft: #eaf7ef}@media (max-width: 1380px){:root{--right-rail-w: 420px}}@media (max-width: 1200px){:root{--right-rail-w: 380px}}@media (max-width: 1040px){.shell:not(.chat-first){grid-template-columns:var(--sidebar-w) 1fr}.shell:not(.chat-first) .right-rail{display:none}.workspace-drawer{width:100vw}}.header-right{display:flex;gap:10px;align-items:center}