@font-face{font-family:Geist Mono;src:url(https://cdn.jsdelivr.net/npm/geist@1.3.1/dist/fonts/geist-mono/GeistMono-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Geist Mono;src:url(https://cdn.jsdelivr.net/npm/geist@1.3.1/dist/fonts/geist-mono/GeistMono-Medium.woff2)format("woff2");font-weight:500;font-style:normal;font-display:swap}:root{--bg:#000;--surface:#0a0a0a;--surface-raised:#111;--text:#fff;--text-secondary:#ccc;--muted:#777;--accent:#ff5f1f;--accent2:#e5287a;--border:#1e1e1e;--border-hover:#333;--error:#ef4444;--warning:#eab308;--success:#22c55e;--font-display:"Urbanist", sans-serif;--font-body:"Urbanist", sans-serif;--font-mono:"Geist Mono", ui-monospace, "Cascadia Code", "Fira Code", Consolas, monospace;--font-weight-display:900;--font-weight-heading:800;--font-weight-body:400;--radius:14px;--radius-sm:8px;--radius-xs:4px;--border-width:2px;--header-height:56px;--status-bar-height:32px;--gradient-brand:linear-gradient(90deg, #ff5f1f, #e5287a)}[data-mode=light]{--bg:#fff;--surface:#f6f6f6;--surface-raised:#eee;--text:#000;--text-secondary:#333;--muted:#666;--accent:#e84d0e;--accent2:#c91f66;--border:#e0e0e0;--border-hover:#ccc;--error:#dc2626;--warning:#ca8a04;--success:#16a34a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--font-body);font-weight:var(--font-weight-body);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.5}#root{height:100%}.app{background:var(--bg);height:100vh;color:var(--text);flex-direction:column;display:flex}.app-main{flex:1;min-height:0;overflow:hidden}.app-header{height:var(--header-height);background:var(--surface);border-bottom:var(--border-width) solid var(--border);z-index:100;flex-shrink:0;justify-content:space-between;align-items:center;padding:2px 16px 0;display:flex;position:relative}.app-header:before{content:"";background:var(--gradient-brand);z-index:1;width:100%;height:2px;position:absolute;top:0;left:0}.header-left{flex-shrink:0;align-items:center;display:flex}.header-brand{color:var(--text);align-items:center;gap:10px;text-decoration:none;display:flex}.header-logo{color:var(--text);flex-shrink:0}.header-label{align-items:center;gap:0;display:flex}.header-label-name{font-family:var(--font-display);font-weight:var(--font-weight-heading);text-transform:uppercase;letter-spacing:-.02em;color:var(--text);font-size:14px}.header-label-sep{color:var(--muted);margin:0 4px;font-size:14px}.header-label-sub{font-family:var(--font-display);color:var(--muted);font-size:14px;font-weight:600}.header-center{flex:1;justify-content:center;align-items:center;min-width:0;display:flex}.file-indicator{font-family:var(--font-mono);color:var(--muted);align-items:center;gap:6px;font-size:13px;display:flex}.file-modified-dot{background:var(--accent);border-radius:50%;flex-shrink:0;width:6px;height:6px}.file-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.header-actions{flex-shrink:0;align-items:center;gap:6px;display:flex}.header-action-group{position:relative}.header-btn{border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:var(--font-body);cursor:pointer;white-space:nowrap;background:0 0;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:500;transition:border-color .15s,background .15s;display:inline-flex}.header-btn:hover{border-color:var(--border-hover);background:var(--surface-raised)}.header-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.header-btn-icon{padding:6px 8px}.header-btn-active{border-color:var(--accent);color:var(--accent)}.split-pane{height:100%;display:flex;overflow:hidden}.split-left,.split-right{min-width:0;height:100%;overflow:hidden}.split-left{border-right:var(--border-width) solid var(--border)}.split-handle{cursor:col-resize;background:var(--bg);z-index:10;flex-shrink:0;justify-content:center;align-items:center;width:8px;margin:0 -4px;display:flex;position:relative}.split-handle:hover .split-handle-bar,.split-handle:focus-visible .split-handle-bar{background:linear-gradient(180deg, var(--accent), var(--accent2))}.split-handle-bar{background:var(--border);border-radius:1px;width:2px;height:40px;transition:background .15s}.split-handle:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.editor-pane-wrapper{flex-direction:column;height:100%;display:flex;overflow:hidden}.editor-pane-wrapper .editor-container{flex:1;min-height:0}.editor-container{height:100%;overflow:auto}.editor-container .cm-editor{height:100%}.editor-container .cm-scroller{overflow:auto}.welcome-banner{background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;padding:14px 20px}.welcome-content{color:var(--text-secondary);margin-bottom:10px;font-size:13px;line-height:1.6}.welcome-content strong{color:var(--text)}.welcome-actions{gap:12px;display:flex}.welcome-dismiss,.welcome-dismiss-permanent{border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-body);cursor:pointer;color:var(--muted);background:0 0;padding:4px 12px;font-size:12px;font-weight:500;transition:border-color .15s,background .15s}.welcome-dismiss:hover,.welcome-dismiss-permanent:hover{border-color:var(--border-hover);background:var(--surface-raised);color:var(--text)}.welcome-dismiss-permanent{color:var(--muted);border-color:#0000}.right-pane{flex-direction:column;height:100%;display:flex;overflow:hidden}.tab-bar{border-bottom:var(--border-width) solid var(--border);background:var(--surface);flex-shrink:0;gap:0;display:flex}.tab-btn{color:var(--muted);font-family:var(--font-body);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;align-items:center;gap:6px;margin-bottom:-2px;padding:10px 16px;font-size:13px;font-weight:600;transition:color .15s,border-color .15s;display:inline-flex;position:relative}.tab-btn:hover{color:var(--text)}.tab-btn.tab-active{color:var(--text);border-bottom-color:#0000}.tab-btn.tab-active:after{content:"";background:var(--gradient-brand);height:2px;position:absolute;bottom:-2px;left:0;right:0}.tab-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.tab-badge{background:var(--error);color:#fff;border-radius:9px;justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:700;display:inline-flex}.tab-content{flex:1;overflow:auto}.preview-scroll{height:100%;padding:20px;overflow:auto}.preview-content{max-width:560px;margin:0 auto}.preview-title-card{background:var(--surface);border:var(--border-width) solid var(--border);border-radius:var(--radius);margin-bottom:16px;padding:20px}.preview-playbook-title{font-family:var(--font-display);font-weight:var(--font-weight-heading);letter-spacing:-.03em;margin-bottom:4px;font-size:20px}.preview-description{color:var(--muted);font-size:13px;line-height:1.5}.preview-system-card{background:var(--surface);border:var(--border-width) solid var(--border);border-radius:var(--radius);margin-bottom:16px;padding:16px}.preview-system-label{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;color:var(--accent2);margin-bottom:8px;font-size:11px;font-weight:700}.preview-system-content{font-family:var(--font-mono);color:var(--muted);white-space:pre-wrap;font-size:12px;line-height:1.6}.preview-inputs-card{background:var(--surface);border:var(--border-width) solid var(--border);border-radius:var(--radius);margin-bottom:16px;padding:16px}.preview-inputs-label{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;color:var(--accent2);margin-bottom:12px;font-size:11px;font-weight:700}.preview-inputs-list{flex-direction:column;gap:8px;display:flex}.input-row{flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;display:flex}.input-name{font-family:var(--font-mono);color:var(--text);font-size:13px;font-weight:500}.input-type-badge{border-radius:var(--radius-xs);background:var(--surface-raised);border:1px solid var(--border);font-family:var(--font-mono);color:var(--muted);padding:1px 6px;font-size:11px;display:inline-block}.input-options{font-family:var(--font-mono);color:var(--muted);font-size:11px}.input-default{font-family:var(--font-mono);color:var(--accent);font-size:11px}.input-required{background:var(--accent);border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}.input-description{color:var(--muted);flex-basis:100%;padding-left:0;font-size:12px}.preview-steps{flex-direction:column;align-items:center;display:flex}.step-card{background:var(--surface);border:var(--border-width) solid var(--border);border-radius:var(--radius);width:100%;padding:16px}.step-header{align-items:center;gap:12px;margin-bottom:10px;display:flex}.step-badge{background:var(--accent);color:#fff;width:40px;height:40px;font-family:var(--font-display);font-weight:var(--font-weight-display);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:flex}.step-title{font-family:var(--font-display);letter-spacing:-.01em;font-size:16px;font-weight:700}.step-content-preview{font-family:var(--font-mono);color:var(--muted);white-space:pre-wrap;word-break:break-word;-webkit-line-clamp:3;-webkit-box-orient:vertical;margin-bottom:10px;font-size:12px;line-height:1.6;display:-webkit-box;overflow:hidden}.step-directives{flex-wrap:wrap;gap:6px;display:flex}.directive-tag{border-radius:var(--radius-xs);font-family:var(--font-mono);padding:2px 8px;font-size:11px;font-weight:500;display:inline-block}.directive-output{color:var(--accent2);background:#e5287a26;border:1px solid #e5287a4d}.directive-elicit{color:var(--accent);background:#ff5f1f26;border:1px solid #ff5f1f4d}.directive-tool{color:var(--text);border:1px solid var(--border);background:0 0}.directive-prompt{color:var(--accent);background:#ff5f1f1a;border:1px solid #ff5f1f33}.step-connector{flex-direction:column;align-items:center;padding:4px 0;display:flex}.connector-line{background:var(--border);width:2px;height:20px}.connector-arrow{border-left:5px solid #0000;border-right:5px solid #0000;border-top:6px solid var(--border);width:0;height:0}.branch-block{border-radius:var(--radius-sm);border:1px solid var(--border);margin-top:12px;overflow:hidden}.branch-arm{border-left:3px solid var(--border);padding:10px 12px}.branch-arm+.branch-arm{border-top:1px solid var(--border)}.branch-if{border-left-color:var(--accent)}.branch-elif{border-left-color:var(--accent2)}.branch-else{border-left-color:var(--muted)}.branch-condition{font-family:var(--font-mono);color:var(--muted);margin-bottom:6px;font-size:11px;font-weight:500}.branch-substep{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.substep-label{font-family:var(--font-display);color:var(--accent);min-width:24px;font-size:12px;font-weight:800}.substep-title{font-family:var(--font-display);font-size:13px;font-weight:600}.substep-content{font-family:var(--font-mono);color:var(--muted);white-space:pre-wrap;-webkit-line-clamp:2;-webkit-box-orient:vertical;flex-basis:100%;margin-top:2px;font-size:11px;display:-webkit-box;overflow:hidden}.preview-artifact-banner{background:var(--surface);border:var(--border-width) solid var(--border);border-radius:var(--radius);font-family:var(--font-mono);color:var(--muted);text-align:center;margin-top:16px;padding:10px 16px;font-size:12px}.preview-error{text-align:center;flex-direction:column;justify-content:center;align-items:center;height:100%;padding:40px;display:flex}.preview-error-icon{width:48px;height:48px;color:var(--error);background:#ef444426;border-radius:50%;justify-content:center;align-items:center;margin-bottom:16px;font-size:24px;font-weight:900;display:flex}.preview-error-message{color:var(--text);max-width:400px;font-size:14px}.preview-error-count{color:var(--muted);margin-top:8px;font-size:12px}.validation-panel{flex-direction:column;height:100%;display:flex}.validation-header{border-bottom:1px solid var(--border);flex-shrink:0;padding:12px 16px}.validation-valid{color:var(--success);align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.validation-check{font-size:16px}.validation-counts{gap:16px;display:flex}.validation-error-count,.validation-warning-count{align-items:center;gap:6px;font-size:13px;font-weight:600;display:flex}.validation-error-count{color:var(--error)}.validation-warning-count{color:var(--warning)}.dot{border-radius:50%;width:8px;height:8px;display:inline-block}.dot-error{background:var(--error)}.dot-warning{background:var(--warning)}.dot-valid{background:var(--success)}.validation-list{flex:1;overflow:auto}.validation-item{border-bottom:1px solid var(--border);align-items:flex-start;gap:8px;padding:8px 16px;font-size:13px;transition:background .1s;display:flex}.validation-item[role=button]{cursor:pointer}.validation-item[role=button]:hover{background:var(--surface-raised)}.validation-severity-icon{flex-shrink:0;margin-top:3px;font-size:10px}.severity-error{color:var(--error)}.severity-warning{color:var(--warning)}.validation-line{font-family:var(--font-mono);color:var(--accent);flex-shrink:0;min-width:32px;font-size:11px}.validation-message{color:var(--text-secondary)}.ast-view{height:100%;overflow:auto}.ast-view .cm-editor{height:100%}.reference-panel{background:var(--surface);height:100%;padding:20px;overflow:auto}.ref-intro{color:var(--text-secondary);border-bottom:1px solid var(--border);margin-bottom:16px;padding-bottom:16px;font-size:13px;line-height:1.6}.ref-intro strong{color:var(--text)}.ref-section{border-bottom:1px solid var(--border);padding:16px 0}.ref-section:last-of-type{border-bottom:none}.ref-heading{font-family:var(--font-display);color:var(--accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px;font-size:14px;font-weight:700}.ref-desc{color:var(--muted);margin-bottom:8px;font-size:12px;line-height:1.6}.ref-desc strong{color:var(--text-secondary)}.ref-code{font-family:var(--font-mono);background:var(--surface-raised);border:1px solid var(--border);color:var(--accent2);border-radius:3px;padding:1px 4px;font-size:12px}.ref-example{font-family:var(--font-mono);color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);white-space:pre;margin-bottom:8px;padding:12px 14px;font-size:13px;line-height:1.5;overflow-x:auto}.ref-type-list{margin-bottom:8px;padding:0;list-style:none}.ref-type-list li{color:var(--muted);padding-left:12px;font-size:12px;line-height:1.8;position:relative}.ref-type-list li:before{content:"";background:var(--border-hover);border-radius:50%;width:4px;height:4px;position:absolute;top:8px;left:0}.ref-footer{border-top:1px solid var(--border);flex-direction:column;gap:6px;margin-top:8px;padding-top:20px;display:flex}.ref-footer a{font-family:var(--font-mono);color:var(--accent);font-size:12px;text-decoration:none}.ref-footer a:hover{text-decoration:underline}.status-bar{height:var(--status-bar-height);background:var(--surface);border-top:1px solid var(--border);color:var(--muted);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 16px;font-size:12px;display:flex}.status-bar-left,.status-bar-center,.status-bar-right{align-items:center;gap:8px;display:flex}.status-bar-left{min-width:150px}.status-bar-accent{background:linear-gradient(180deg, var(--accent), var(--accent2));border-radius:1.5px;flex-shrink:0;width:3px;height:20px;margin-right:2px}.status-bar-center{font-family:var(--font-mono);align-items:center;gap:0;font-size:11px;display:flex}.status-shortcut-hint{align-items:center;display:inline-flex}.status-separator{color:var(--border);margin:0 8px}.status-bar-right{justify-content:flex-end;min-width:150px}.status-bar-right a{color:var(--muted);font-size:11px;text-decoration:none}.status-bar-right a:hover{color:var(--accent)}.status-valid{color:var(--success);align-items:center;gap:6px;font-weight:500;display:flex}.status-issues{gap:12px;display:flex}.status-errors,.status-warnings{align-items:center;gap:4px;display:flex}.status-errors{color:var(--error)}.status-warnings{color:var(--warning)}.example-picker{z-index:200;background:var(--surface);border:var(--border-width) solid var(--border);border-radius:var(--radius);width:320px;max-height:480px;padding:8px;position:absolute;top:calc(100% + 8px);left:0;overflow:auto;box-shadow:0 8px 32px #0006}.example-category{margin-bottom:4px}.example-category-name{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);border-left:3px solid var(--accent);padding:8px 10px 4px;font-size:11px;font-weight:700}.example-category:nth-child(2n) .example-category-name{border-left-color:var(--accent2)}.example-item{border-radius:var(--radius-sm);cursor:pointer;text-align:left;background:0 0;border:none;flex-direction:column;width:100%;padding:8px 10px;transition:background .1s;display:flex}.example-item:hover{background:var(--surface-raised)}.example-item:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.example-item-title{font-family:var(--font-body);color:var(--text);font-size:13px;font-weight:600}.example-item-desc{color:var(--muted);margin-top:1px;font-size:12px}.toast-overlay{z-index:1000;pointer-events:none;justify-content:center;animation:.15s ease-out toast-in;display:flex;position:fixed;top:80px;left:0;right:0}.toast{background:var(--surface);border:var(--border-width) solid var(--border);border-radius:var(--radius);font-family:var(--font-mono);color:var(--muted);pointer-events:auto;padding:12px 20px;font-size:13px}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@media (width<=1023px){.header-center,.status-shortcut-hint{display:none}}@media (width<=768px){.split-pane{flex-direction:column}.split-left,.split-right{height:50%;width:100%!important}.split-left{border-right:none;border-bottom:var(--border-width) solid var(--border)}.split-handle,.header-btn>span:not(.header-label):not(.header-label-name):not(.header-label-sep):not(.header-label-sub){display:none}.example-picker{width:calc(100vw - 32px);left:-8px}.reference-panel{padding:12px}}@media (width<=480px){.header-btn{padding:6px 8px;font-size:12px}.header-label-name{font-size:12px}.header-label-sep,.header-label-sub{display:none}}