:root{--accent: #1d6ce0;--accent-soft: #e9f1ff;--bg: #fafaf7;--surface: #ffffff;--ink: #1a1a1f;--ink-soft: #5a5a64;--ink-faint: #8c8c95;--line: #e7e6e1;--line-strong: #d6d4cd;--code-bg: #fbfaf6;--warn: #b1601a;--err: #c5343a;--ok: #2b8254}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;font-size:14px;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}pre,code,.mono{font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.app{display:grid;grid-template-rows:auto 1fr auto;height:100vh;background:var(--bg)}.toolbar{display:flex;align-items:center;gap:18px;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px;padding-right:14px;border-right:1px solid var(--line);margin-right:4px}.brand-mark{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--accent),color-mix(in oklch,var(--accent),white 35%));position:relative}.brand-mark:after{content:"";position:absolute;top:6px;right:6px;bottom:6px;left:6px;border:2px solid rgba(255,255,255,.9);border-radius:3px}.brand-name{font-weight:600;letter-spacing:-.01em;font-size:15px;line-height:1}.brand-sub{font-size:11px;color:var(--ink-faint);margin-top:3px}.type-tabs{display:flex;gap:2px;padding:3px;background:#f1efe9;border-radius:10px;border:1px solid var(--line)}.type-tab{padding:6px 14px;font-size:13px;border-radius:7px;color:var(--ink-soft);font-weight:500;transition:background .12s,color .12s,box-shadow .12s}.type-tab:hover{color:var(--ink)}.type-tab.active{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px #0000000d,0 0 0 1px var(--line-strong)}.spacer{flex:1}.detected{display:inline-flex;align-items:center;gap:10px;padding:5px 12px;background:#f5f3ed;border:1px solid var(--line);border-radius:10px}.detected-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-faint);font-weight:600}.detected-type{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--ink);padding-left:10px;border-left:1px solid var(--line-strong)}.support-badge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:20px;white-space:nowrap;cursor:help}.support-both{background:#e6f5ee;color:#2b8254}.support-partial{background:#e9f1fb;color:#2f6fb3}.support-puml{background:#fdf3e9;color:#b1601a}.puml-only-note{max-width:360px;margin:auto;padding:28px 24px;text-align:center;color:var(--ink);line-height:1.55}.puml-only-title{font-size:14px;font-weight:700;color:var(--warn);margin-bottom:10px}.puml-only-note p{font-size:13px;margin:6px 0}.puml-only-note .muted{margin-top:12px}.ghost-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;font-size:13px;border-radius:8px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);font-weight:500;transition:background .12s,border-color .12s,transform .05s}.ghost-btn:hover{background:#f7f5ef}.ghost-btn:active{transform:translateY(1px)}.ghost-btn .icon{font-size:14px;line-height:1}.ghost-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.ghost-btn.primary:hover{filter:brightness(.96)}.dl-group{display:flex;gap:6px}.theme-pick{display:flex;gap:4px;padding:4px;background:#f5f3ed;border:1px solid var(--line);border-radius:12px}.theme-chip{display:inline-flex;align-items:center;gap:8px;padding:5px 12px 5px 7px;border-radius:9px;border:1px solid transparent;background:transparent;font-size:12.5px;color:var(--ink-soft);font-weight:500;transition:background .14s,border-color .14s,color .14s,box-shadow .14s}.theme-chip:hover{background:#ffffffb3;color:var(--ink)}.theme-chip.active{background:var(--surface);border-color:var(--line-strong);color:var(--ink);box-shadow:0 1px 3px #00000012}.chip-swatch{width:22px;height:22px;border-radius:7px;box-shadow:inset 0 0 0 1px #00000014,0 1px 2px #0000001f;flex:none;transition:transform .14s}.theme-chip:hover .chip-swatch{transform:scale(1.06)}.theme-chip.active .chip-swatch{box-shadow:inset 0 0 0 1px #0000001a,0 0 0 2px var(--surface),0 0 0 3.5px var(--accent)}.workspace{display:grid;grid-template-columns:minmax(360px,1fr) minmax(360px,1.2fr);gap:0;padding:10px;min-height:0;transition:grid-template-columns .22s ease}body.resizing .workspace{transition:none}.workspace.editor-collapsed{grid-template-columns:36px 1fr;gap:10px}.workspace>.pane{margin:0}.workspace>.editor-pane{margin-right:0}.workspace>.preview-pane{margin-left:0}.splitter{width:8px;cursor:col-resize;position:relative;display:flex;align-items:center;justify-content:center;background:transparent}.splitter-grip{display:block;width:2px;height:36px;border-radius:2px;background:var(--line-strong);transition:background .15s,height .15s}.splitter:hover .splitter-grip,body.resizing .splitter-grip{background:var(--accent);height:56px}.collapsed-strip{display:flex;flex-direction:column;align-items:center;gap:10px;padding:14px 0;background:var(--surface);border:1px solid var(--line);border-radius:12px;cursor:pointer;color:var(--ink-soft);transition:background .12s,color .12s}.collapsed-strip:hover{background:#f7f5ef;color:var(--ink)}.strip-icon{font-size:14px;line-height:1}.strip-label{writing-mode:vertical-rl;transform:rotate(180deg);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;font-weight:500}.pane-head-right{display:inline-flex;align-items:center;gap:8px}.icon-btn{width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;font-size:13px;color:var(--ink-soft);background:transparent;transition:background .12s,color .12s}.icon-btn:hover{background:#f1efe9;color:var(--ink)}.pane{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;min-height:0}.pane-head{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;border-bottom:1px solid var(--line);background:#fbfaf6}.pane-title{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-soft);font-weight:500;letter-spacing:.01em}.pane-meta{font-size:11.5px;color:var(--ink-faint)}.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.dot.puml{background:#5e8a3a}.dot.mermaid{background:#ff3670}.preview-tab.static{cursor:default;background:var(--surface);color:var(--ink);border-color:var(--line-strong);box-shadow:0 1px 2px #0000000a}.editor{display:grid;grid-template-columns:48px 1fr;flex:1;min-height:0;background:var(--code-bg)}.gutter{background:#f4f2eb;color:var(--ink-faint);font-family:JetBrains Mono,monospace;font-size:12.5px;line-height:20px;text-align:right;padding:12px 8px 12px 4px;overflow:hidden;border-right:1px solid var(--line);-webkit-user-select:none;user-select:none}.gutter .ln{height:20px}.editor-stack{position:relative;overflow:hidden}.hl,.ta{margin:0;padding:12px 14px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:13px;line-height:20px;letter-spacing:0;white-space:pre;-moz-tab-size:2;tab-size:2;border:0;outline:0}.hl{position:absolute;top:0;right:0;bottom:0;left:0;overflow:auto;color:var(--ink);pointer-events:none;background:transparent}.ta{position:absolute;top:0;right:0;bottom:0;left:0;resize:none;overflow:auto;background:transparent;color:transparent;caret-color:var(--ink);-webkit-text-fill-color:transparent}.ta::selection{background:color-mix(in oklch,var(--accent) 25%,transparent)}.tok-kw{color:#6b3fb3;font-weight:600}.tok-directive{color:#b1601a;font-weight:600}.tok-str{color:#2b7a3d}.tok-com{color:#98968a;font-style:italic}.tok-arr{color:#c5343a;font-weight:600}.tok-punc{color:#6b6660}.tok-ident{color:#1a1a1f}.tok-text{color:var(--ink)}.tok-ws{color:inherit}.preview-tabs{display:flex;gap:2px}.preview-tab{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:7px;font-size:12.5px;color:var(--ink-soft);font-weight:500;border:1px solid transparent;background:transparent}.preview-tab:hover{color:var(--ink);background:#f1efe9}.preview-tab.active{background:var(--surface);color:var(--ink);border-color:var(--line-strong);box-shadow:0 1px 2px #0000000a}.preview-body{flex:1;min-height:0;position:relative;display:flex}.panzoom{flex:1;position:relative;overflow:hidden;cursor:grab;background:radial-gradient(circle,#ececea 1px,transparent 1px) 0 0/16px 16px,var(--surface);user-select:none;-webkit-user-select:none}.panzoom:active{cursor:grabbing}.panzoom-content{position:absolute;top:50%;left:50%;transform-origin:0 0}.panzoom-content>*{transform:translate(-50%,-50%)}.diagram{display:inline-block;pointer-events:none;image-rendering:auto}.diagram svg{display:block;background:transparent;pointer-events:none;image-rendering:auto;shape-rendering:geometricPrecision;text-rendering:geometricPrecision}.zoom-controls{position:absolute;bottom:12px;right:12px;display:flex;align-items:center;gap:2px;padding:4px;background:var(--surface);border:1px solid var(--line-strong);border-radius:10px;box-shadow:0 2px 8px #0000000f;z-index:5;cursor:default}.zoom-btn{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;font-size:16px;font-weight:500;color:var(--ink);background:transparent;transition:background .12s}.zoom-btn:hover{background:#f1efe9}.zoom-btn.reset{font-size:14px}.zoom-pct{display:inline-block;min-width:44px;text-align:center;font-family:JetBrains Mono,monospace;font-size:11.5px;color:var(--ink-soft);padding:0 4px;border-left:1px solid var(--line);margin-left:2px}.loading{margin:auto;color:var(--ink-faint);font-size:13px;display:flex;align-items:center;gap:8px}.loading:before{content:"";width:12px;height:12px;border:2px solid var(--line-strong);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.err-box{background:#fcf2f2;border:1px solid #f1c8c8;border-radius:8px;padding:14px 16px;margin:auto;max-width:520px;color:#6e2a2a;font-size:13px}.err-title{font-weight:600;margin-bottom:6px}.err-box pre{margin:0;font-size:12px;white-space:pre-wrap;word-break:break-word}.muted{color:var(--ink-faint);font-size:12px;margin-top:8px}.line-err{display:block;background:#c5343a14}.gutter .ln-err{color:var(--err);font-weight:700}.problems-panel{border-top:1px solid #f1c8c8;background:#fdf5f5;max-height:110px;overflow-y:auto;flex-shrink:0}.problem-item{display:flex;align-items:baseline;gap:8px;padding:4px 12px;font-size:12px;color:#6e2a2a;border-bottom:1px solid #f5e0e0}.problem-item:last-child{border-bottom:0}.problem-line{font-family:JetBrains Mono,monospace;font-size:11px;color:var(--err);font-weight:600;white-space:nowrap;min-width:32px}.problem-msg{flex:1}.problem-item-net .problem-line{color:var(--warn)}.problem-item-net{color:#5a3010}.statusbar{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;border-top:1px solid var(--line);background:var(--surface);font-size:12.5px;color:var(--ink-soft)}.status-ok{color:var(--ok);display:inline-flex;align-items:center;gap:8px}.status-err{color:var(--err);display:inline-flex;align-items:center;gap:8px}.status-dot{width:8px;height:8px;background:var(--ok);border-radius:50%;box-shadow:0 0 0 3px #2b825426}.status-dot.err{background:var(--err);box-shadow:0 0 0 3px #c5343a26}.status-warn{color:var(--warn);display:inline-flex;align-items:center;gap:8px}.status-dot.warn{background:var(--warn);box-shadow:0 0 0 3px #b1601a26}.status-hint{display:inline-flex;align-items:center;gap:6px;color:var(--ink-faint);font-size:11.5px}.status-hint kbd{font-family:JetBrains Mono,monospace;font-size:10.5px;padding:1px 5px;background:#f1efe9;border:1px solid var(--line);border-bottom-color:var(--line-strong);border-radius:4px;color:var(--ink-soft)}.mobile-panel-tabs{display:none}@media(max-width:900px){.brand-sub,.detected{display:none}}@media(max-width:768px){.toolbar{padding:8px 12px;gap:8px;flex-wrap:nowrap}.brand-sub,.detected{display:none}.spacer{flex:1}.chip-label{display:none}.theme-chip{padding:5px;gap:0}.theme-pick{gap:2px;padding:3px}.ghost-btn{padding:6px 10px;font-size:12px}.mobile-panel-tabs{display:flex;flex-shrink:0;background:var(--surface);border-bottom:1px solid var(--line);padding:0}.mobile-panel-tab{flex:1;padding:10px 16px;font-size:13px;font-weight:500;color:var(--ink-soft);background:transparent;border:0;border-bottom:2px solid transparent;cursor:pointer;transition:color .12s,border-color .12s}.mobile-panel-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.workspace{display:flex!important;flex-direction:column;padding:0;gap:0}.splitter,.collapsed-strip{display:none!important}.icon-btn,.pane-head-right{display:none}.editor-pane,.preview-pane{flex:1!important;min-height:0;border-radius:0!important;border-left:0!important;border-right:0!important;border-bottom:0!important;border-top:0!important}.mobile-hidden{display:none!important}.problems-panel{max-height:80px}.status-right{display:none}.statusbar{padding:6px 12px}.err-box{max-width:100%;margin:12px}}@media(max-width:480px){.toolbar{gap:6px;padding:7px 10px}.brand-name{font-size:13px}.brand-mark{width:22px;height:22px}.chip-swatch{width:18px;height:18px;border-radius:5px}.ghost-btn{padding:5px 8px;font-size:12px}}
