.playground,.tool-popover{--panel:var(--zk-code);--ink:var(--zk-ink);--muted:var(--zk-muted);--line:var(--zk-rule);--accent:var(--zk-accent);--on-accent:var(--zk-on-accent);--selection:var(--zk-accent-soft);--active-line:var(--zk-surface);--warn:var(--zk-warn);--error:var(--zk-err);--syntax-command:var(--zk-syn-zpl);--syntax-data:var(--zk-syn-str);--syntax-comment:var(--zk-syn-com);--syntax-number:var(--zk-syn-num);--font-ui:var(--font-archivo), system-ui, sans-serif;--font-code:var(--font-plex-mono), ui-monospace, "SF Mono", Menlo, monospace}[data-tool=viewer]{--accent:var(--zk-view);--on-accent:var(--zk-on-view);--selection:var(--zk-view-soft)}.playground{height:calc(100dvh - var(--fd-header-height,56px));background:var(--zk-bg);min-height:560px;color:var(--ink);font:15px/1.5 var(--font-ui);grid-template-rows:auto minmax(0,1fr);display:grid}.playground button,.playground select,.playground input:not([type=checkbox]),.tool-popover button,.tool-popover 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12.5px var(--font-code);margin-left:-4px}.playground .spacer{flex:1}.playground .tool-title{white-space:nowrap;flex:none;align-items:center;gap:10px;display:flex}.playground .tool-tile{border-radius:5px;place-items:center;width:28px;height:28px;display:grid}.playground .tool-tile svg{width:17px;height:17px}.playground .tool-title h1{font:800 16px var(--font-ui);margin:0;font-stretch:108%}.playground .tagline,.playground .field-label{color:var(--muted);font-size:13px}.playground .menu-button{align-items:center;gap:8px;max-width:260px;display:flex}.playground .menu-button svg{width:15px;height:15px;color:var(--muted);flex:none}.playground .menu-value{text-overflow:ellipsis;overflow:hidden}.playground .edited{background:var(--zk-surface);color:var(--muted);font:500 11px var(--font-code);border-radius:3px;padding:1px 6px}.playground .export-button{align-items:center;gap:7px;display:flex}.playground .export-button svg{width:15px;height:15px}.tool-popover .menu-heading{color:var(--muted);font:600 11px var(--font-code);letter-spacing:.08em;text-transform:uppercase;margin:4px 0 2px;padding:4px 12px}.tool-popover .menu-item{width:100%;height:34px;font:500 13.5px var(--font-ui);text-align:left;background:0 0;border:none;border-radius:0;align-items:center;gap:8px;padding:0 12px;display:flex}.tool-popover .menu-item:hover,.tool-popover .menu-item:focus-visible{background:var(--selection);outline:none}.tool-popover .menu-item svg,.tool-popover .menu-spacer{visibility:hidden;flex:none;width:14px;height:14px}.tool-popover .menu-item[aria-current=true]{font-weight:700}.tool-popover .menu-item[aria-current=true] svg{visibility:visible}.tool-popover .menu-rule{background:var(--line);height:1px;margin:6px 0}.tool-popover .popover-title{font:700 14.5px var(--font-ui);margin:0;padding:12px 14px 4px}.tool-popover .popover-head{border-bottom:1px solid var(--line);align-items:flex-start;gap:6px;padding:8px 8px 10px 14px;display:flex}.tool-popover .popover-head>div{flex:1}.tool-popover .popover-head .popover-title{padding:4px 0 2px}.tool-popover .spacer{flex:1}.tool-popover .hint{color:var(--muted);margin:0;font-size:12.5px;line-height:1.45;display:block}.tool-popover .icon-button{width:30px;height:30px;color:var(--muted);background:0 0;border:none;flex:none;place-items:center;padding:0;display:grid}.tool-popover .icon-button:hover{color:var(--ink)}.tool-popover .icon-button svg{width:16px;height:16px}.tool-popover .export-row{border-top:1px solid var(--line);grid-template-columns:30px minmax(0,1fr);align-items:center;gap:4px 10px;padding:12px 14px;display:grid}.tool-popover .export-icon{background:var(--zk-surface);width:30px;height:30px;color:var(--ink);border-radius:5px;place-items:center;display:grid}.tool-popover .export-icon svg{width:15px;height:15px}.tool-popover .export-text{flex-direction:column;min-width:0;display:flex}.tool-popover .export-text span{color:var(--muted);font-size:12.5px}.tool-popover .export-actions{flex-wrap:wrap;grid-column:2;gap:6px;display:flex}.tool-popover .export-actions button{height:30px;padding:0 10px;font-size:12.5px}.tool-popover .setting{border:none;border-bottom:1px solid var(--line);text-align:left;background:0 0;border-radius:0;flex-direction:column;gap:8px;width:100%;margin:0;padding:12px 14px;display:flex}.tool-popover .setting:last-child{border-bottom:none}.tool-popover .setting-row{flex-direction:row;justify-content:space-between;align-items:center;height:auto}.tool-popover .setting-title{font:700 13.5px var(--font-ui);margin:0;display:block}.tool-popover .setting-link:hover{background:var(--zk-surface)}.tool-popover .setting-link svg{width:16px;height:16px;color:var(--muted);flex:none}.tool-popover .segmented.full button{flex:1}.tool-popover .switch{appearance:none;background:var(--zk-rule-strong);cursor:pointer;border-radius:10px;flex:none;width:34px;height:20px;margin:0;position:relative}.tool-popover 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.confirm-actions{justify-content:flex-end;gap:8px;padding:14px 20px 18px;display:flex}@media (max-width:1180px){.playground .tagline{display:none}}.playground .tabs{display:none}.playground .workspace{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);min-height:0;display:grid}.playground .code{border-right:1px solid var(--line);background:var(--panel);grid-template-rows:minmax(0,1fr) auto;min-height:0;display:grid}.playground[data-tool=viewer] .code{grid-template-rows:auto minmax(0,1fr) auto}.playground .code .status .view-button{margin-left:auto}.playground .editor{min-height:0;overflow:hidden}.playground .problems{border-top:1px solid var(--zk-rule-strong);background:var(--zk-surface);flex-direction:column;max-height:260px;display:flex}.playground .problems-body{grid-template-rows:0fr;min-height:0;display:grid}.playground .problems[data-open=true] .problems-body{grid-template-rows:1fr}.playground .problems[data-open=false] .problems-header{border-bottom-color:#0000}.playground .problems-body>div{min-height:0;overflow:auto}@media (prefers-reduced-motion:no-preference){.playground .problems-body{transition:grid-template-rows .2s ease-out}}.playground .problems-header{border-bottom:1px solid var(--line);background:var(--zk-surface);color:var(--muted);font:600 11.5px var(--font-code);letter-spacing:.06em;text-transform:uppercase;justify-content:space-between;padding:8px 16px;display:flex}.playground ul{margin:0;padding:0;list-style:none}.playground .problem{border-bottom:1px solid var(--line);grid-template-columns:48px minmax(0,1fr);align-items:start;gap:10px;padding:10px 16px;display:grid}.playground .problem .line{height:auto;color:var(--muted);font:600 12.5px/1.6 var(--font-code);text-align:left;background:0 0;border:none;padding:0}.playground .problem .line:hover{color:var(--accent)}.playground .problem div{flex-direction:column;gap:1px;min-width:0;display:flex}.playground .problem .rule{color:var(--warn);font:600 12.5px var(--font-code);align-items:center;gap:8px;display:flex}.playground .problem.error .rule{color:var(--error)}.playground .problem .marker{background:currentColor;flex:none;width:8px;height:8px;transform:rotate(45deg)scale(.85)}.playground .problem.error .marker{transform:none}.playground .problem .message{font-size:14px}.playground .clean{color:var(--zk-ok);margin:0;padding:14px 16px;font-weight:600}.playground .problems-tab{display:none}.playground .preview{background-color:var(--zk-platen);background-image:radial-gradient(var(--zk-dot) 1px, transparent 1.3px);background-size:8px 8px;flex-direction:column;min-width:0;min-height:0;display:flex}.playground .status{border-bottom:1px solid var(--line);background:var(--zk-surface);color:var(--muted);font:500 12.5px var(--font-code);flex:none;align-items:center;gap:12px;padding:8px 16px;display:flex}.playground .status .busy{color:var(--accent)}.playground .blocked{border:1px solid var(--zk-err-line);background:var(--zk-err-soft);color:var(--error);border-radius:6px;flex:none;margin:14px 16px 0;padding:10px 14px;font-size:14px;font-weight:600}.playground .bench-area{flex:1;min-height:0;overflow:auto}.playground .bench{padding:24px 20px 40px}.playground .bench-area.dimmed .liner{opacity:.45;outline:2px dashed var(--error);outline-offset:6px}@media (prefers-reduced-motion:no-preference){.playground .bench zpl-preview::part(label){transition:opacity .12s}}.playground .notice{left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--zk-bg);pointer-events:none;z-index:50;border-radius:6px;padding:8px 14px;font-size:14px;position:fixed;transform:translate(-50%)}.playground .notice:empty{display:none}@media (max-width:860px){.playground .tool-title,.playground .divider,.playground .field-label,.playground .spacer,.playground .export-button span{display:none}.playground .toolbar .export-button{box-shadow:-14px 0 10px -6px var(--zk-surface);margin-left:auto;position:sticky;right:0}.playground{grid-template-rows:auto auto minmax(0,1fr)}.playground .tabs{border-bottom:1px solid var(--line);display:flex}.playground .tabs button{height:46px;color:var(--muted);background:0 0;border:none;border-radius:0;flex:1;font-size:14px}.playground .tabs button[aria-selected=true]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--accent)}.playground .workspace{grid-template-columns:minmax(0,1fr)}.playground .workspace>section{display:none}.playground[data-tab=Editor] .code,.playground[data-tab=Code] .code,.playground[data-tab=Problems] .problems-tab{display:grid}.playground[data-tab=Preview] .preview{display:flex}.playground .code{border-right:none;grid-template-rows:minmax(0,1fr)}.playground .code .problems{display:none}.playground[data-tool=viewer] .code{grid-template-rows:auto minmax(0,1fr)}.playground .problems-tab{background:var(--zk-surface);align-content:start;overflow:auto}.playground .problems-tab button.line{min-height:44px}}.playground .dialog{border:1px solid var(--zk-rule-strong);background:var(--zk-bg);width:min(880px,100vw - 32px);max-height:calc(100dvh - 64px);color:var(--ink);border-radius:6px;margin:auto;padding:0}.playground .dialog[open]{grid-template-rows:auto minmax(0,1fr) auto;display:grid}.playground .dialog::backdrop{background:color-mix(in srgb, var(--zk-ink) 35%, transparent)}.playground .dialog-header{border-bottom:1px solid var(--line);background:var(--zk-surface);flex-wrap:wrap;align-items:center;gap:12px;padding:12px 16px;display:flex}.playground .dialog-header h2{font:700 15px var(--font-ui);margin:0 8px 0 0}.playground .dialog-header .spacer{flex:1}.playground .dialog-body{background:var(--panel);overflow:auto}.playground .dialog-body pre{font:13px/1.6 var(--font-code);white-space:pre;margin:0;padding:16px}.playground .dialog-error{color:var(--error);margin:0;padding:16px}.playground .dialog-note{border-top:1px solid var(--line);color:var(--muted);margin:0;padding:10px 16px;font-size:13px}.playground .dialog-note a{color:var(--ink);text-underline-offset:3px;text-decoration:underline}.playground .fonts-dialog{width:min(640px,100vw - 32px)}.tool-popover .fonts-body{gap:20px;padding:16px;display:grid}.tool-popover .fonts-body p{max-width:68ch;margin:0}.tool-popover .fonts-body section{gap:8px;display:grid}.tool-popover .fonts-body h3{font:700 14px var(--font-ui);margin:0}.tool-popover .fonts-body .hint{color:var(--muted);font-size:13px}.tool-popover .fonts-body code{font:12.5px var(--font-code)}.tool-popover .font-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.tool-popover .font-row .font-name{min-width:0;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;overflow:hidden}.tool-popover .font-row .font-path{font-weight:600}.tool-popover .font-row input{text-transform:uppercase;width:180px}.playground.skeleton .skeleton-lines{font:14px/1.65 var(--font-code);padding:12px 0}.playground.skeleton .skeleton-line{align-items:center;height:1.65em;display:flex}.playground.skeleton .skeleton-number{box-sizing:border-box;width:25px;color:var(--muted);text-align:right;flex:none;padding:0 3px 0 5px}.playground.skeleton .skeleton-bar,.playground.skeleton .skeleton-paper{animation:1.6s ease-in-out infinite alternate skeleton-pulse}.playground.skeleton .skeleton-bar{background:var(--zk-rule);border-radius:3px;max-width:calc(100% - 70px);height:.7em;margin-left:25px}.playground.skeleton .skeleton-liner{width:min(100%,662px)}.playground.skeleton .skeleton-frame{grid-template-rows:22px auto;grid-template-columns:32px minmax(0,1fr);row-gap:6px;display:grid}.playground.skeleton .skeleton-frame:before{border-bottom:1px solid var(--zk-muted);content:"";opacity:.5;grid-column:2}.playground.skeleton .skeleton-paper{aspect-ratio:101.6/152.4;background:color-mix(in srgb, var(--zk-paper) 18%, transparent);border-radius:6px;grid-area:2/2}@keyframes skeleton-pulse{0%{opacity:.55}to{opacity:1}}@media (prefers-reduced-motion:reduce){.playground.skeleton .skeleton-bar,.playground.skeleton .skeleton-paper{animation:none}}
.bench{--label-gap:14px;--liner:var(--zk-liner);--liner-edge:var(--zk-rule-strong);--bench-muted:var(--zk-muted);align-content:start;justify-items:center;gap:10px;display:grid}.bench .liner{border:1px solid var(--liner-edge);background:var(--liner);border-radius:3px;max-width:100%;padding:10px 10px 14px}.bench .frame{grid-template-columns:var(--ruler) minmax(0, 1fr);grid-template-rows:22px auto;row-gap:6px;display:grid;container-type:inline-size}.bench .ruler{color:var(--bench-muted);font-variant-numeric:tabular-nums;font-size:11px;position:relative}.bench .ruler.horizontal{border-bottom:1px solid var(--bench-muted);grid-column:2}.bench .vertical-rulers{gap:var(--label-gap);flex-direction:column;grid-area:2/1;display:flex}.bench .ruler.vertical{height:calc((100cqw - var(--ruler)) * var(--aspect));border-right:1px solid var(--bench-muted);flex:none;margin-right:6px}.bench .tick{background:currentColor;position:absolute}.bench .horizontal .tick{width:1px;height:4px;bottom:0}.bench .horizontal .tick.mid{height:7px}.bench .horizontal .tick.major{height:11px}.bench .vertical .tick{width:4px;height:1px;right:0}.bench .vertical .tick.mid{width:7px}.bench .vertical .tick.major{width:11px}.bench .tick-label{line-height:1;position:absolute}.bench .horizontal .tick-label{bottom:11px;left:0;transform:translate(-50%)}.bench .vertical .tick-label{top:0;right:13px;transform:translateY(-50%)}.bench .marker{background:var(--zk-accent);position:absolute}.bench .horizontal .marker{width:2px;height:100%;bottom:0;transform:translate(-1px)}.bench .vertical .marker{width:100%;height:2px;right:0;transform:translateY(-1px)}.bench .labels{grid-area:2/2;min-width:0;position:relative}.bench .labels.tracking{cursor:crosshair}.bench .guides{pointer-events:none;border-radius:6px;position:absolute;overflow:hidden}.bench .guide{background:color-mix(in srgb, var(--zk-accent) 70%, transparent);position:absolute}.bench .guide.vertical{width:1px;top:0;bottom:0}.bench .guide.horizontal{height:1px;left:0;right:0}.bench zpl-preview{width:100%;display:block}.bench zpl-preview::part(labels){gap:var(--label-gap)}.bench zpl-preview::part(label),.bench .label-image{background:var(--zk-paper);width:100%;height:auto;box-shadow:var(--shadow-label);border-radius:6px;display:block}.bench zpl-preview::part(error){border-radius:6px;padding:12px}.bench .size{color:var(--bench-muted);font-variant-numeric:tabular-nums;margin:0;font-size:13px}.dark .bench zpl-preview::part(label),.dark .bench .label-image,.dark .label-dim{filter:brightness(.91)sepia(.12)}.bench zpl-preview::part(more){color:var(--bench-muted);font:12px/1.4 var(--font-mono)}