:root{--mml-bg: #ffffff;--mml-text: #1a1a1a;--mml-border: #e0e0e0;--mml-accent: #3b82f6;--mml-drop-bg: rgba(59, 130, 246, .08);--mml-grid-color: #e5e5e5;--mml-node-bg: #ffffff;--mml-node-border: #d0d0d0;--mml-node-selected-border: #3b82f6;--mml-node-selected-bg: #eff6ff;--mml-node-shadow: 0 1px 3px rgba(0, 0, 0, .1);--mml-edge-color: #b0b0b0;--mml-edge-selected-color: #3b82f6;--mml-outline-bg: #fafafa;--mml-outline-item-selected: #eff6ff;--mml-outline-item-focused: #e0e7ff;--mml-outline-toggle: #999;--mml-outline-excerpt-empty: #aaa;--mml-outline-search-match: #fef08a;--mml-outline-indent: 20px}.mml-container{font-family:-apple-system,BlinkMacSystemFont,Segoe 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.08);--mml-grid-color: rgba(33, 66, 111, .16);--mml-node-bg: var(--card);--mml-node-border: var(--line-strong);--mml-node-selected-border: var(--accent);--mml-node-selected-bg: #f8f6f1;--mml-node-shadow: var(--shadow);--mml-edge-color: rgba(33, 66, 111, .34);--mml-edge-selected-color: var(--accent);--mml-outline-bg: #fbfaf7;--mml-outline-item-selected: rgba(33, 66, 111, .1);--mml-outline-item-focused: rgba(33, 66, 111, .07);--mml-outline-toggle: var(--muted);--mml-outline-excerpt-empty: var(--muted);--mml-outline-search-match: #f3df9b;min-height:100vh;background:radial-gradient(1100px 520px at 78% 12%,rgba(33,66,111,.06),transparent 60%),radial-gradient(800px 600px at 0% 100%,rgba(33,66,111,.04),transparent 55%),var(--paper);color:var(--text);display:flex;flex-direction:column}.theme-triplea-dark{--paper: #080e27;--paper-2: #0b1434;--card: rgba(15, 23, 60, .82);--ink: #f1f5f9;--text: #c3cede;--muted: #64748b;--accent: #7fa6d9;--accent-soft: #9ab8df;--line: rgba(255, 255, 255, .08);--line-strong: rgba(255, 255, 255, .16);--danger: #f87171;--mml-node-selected-bg: rgba(127, 166, 217, .14);--mml-outline-bg: rgba(8, 14, 39, .72);--mml-outline-item-selected: rgba(127, 166, 217, .16);--mml-outline-item-focused: rgba(127, 166, 217, .1);--mml-grid-color: rgba(127, 166, 217, .18);--mml-edge-color: rgba(127, 166, 217, .42)}.theme-triplea-dark.demo-shell{background:radial-gradient(ellipse 800px 500px at 20% 10%,rgba(37,99,235,.12) 0%,transparent 70%),radial-gradient(ellipse 600px 600px at 80% 90%,rgba(127,166,217,.09) 0%,transparent 70%),var(--paper)}.topbar{flex-shrink:0;height:56px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper) 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ease}.btn-primary{background:var(--accent);color:#fbfaf7}.btn-primary:hover{background:var(--accent-soft)}.btn-secondary{background:transparent;border-color:var(--line-strong);color:var(--text)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.btn-ghost{background:transparent;color:var(--muted);padding:0 8px}.btn-ghost:hover{color:var(--ink);background:color-mix(in srgb,var(--ink) 5%,transparent)}.theme-select{height:32px;padding:0 8px;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--muted);font-size:13px;font-weight:500;cursor:pointer;transition:color .15s ease}.theme-select:hover{color:var(--ink)}.theme-select option{background:var(--card);color:var(--ink)}.workspace{flex:1;min-height:0;display:grid;grid-template-columns:minmax(240px,280px) minmax(0,1fr);gap:16px;padding:16px}.sidebar,.map-card{min-height:0;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb,var(--card) 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solid var(--line)}.map-title-block{display:flex;flex-direction:column;gap:2px;min-width:0}.map-title-block strong{font-size:14px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:500;color:var(--muted)}.status-badge:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--muted)}.status-badge.saving:before{background:#e0a830}.status-badge.saved:before{background:#5b9c5b}.status-badge.error:before,.status-badge.conflict:before{background:var(--danger)}.toolbar-buttons{display:flex;align-items:center;gap:4px}.toolbar-group{display:flex;align-items:center;gap:3px;padding:3px;border-radius:var(--radius-sm);background:color-mix(in srgb,var(--ink) 3%,transparent)}.toolbar-divider{width:1px;height:20px;background:var(--line);margin:0 4px;flex-shrink:0}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;min-height:30px;padding:0;border:none;border-radius:5px;background:transparent;color:var(--muted);box-shadow:none;cursor:pointer;transition:background .15s ease,color .15s ease}.icon-button:hover{background:var(--card);color:var(--ink);transform:none}.icon-button.active{background:var(--accent);color:#fbfaf7}.error-banner{flex-shrink:0;padding:8px 16px;border-bottom:1px solid color-mix(in srgb,var(--danger) 30%,transparent);background:color-mix(in srgb,var(--danger) 6%,transparent);color:var(--danger);font-size:13px}.map-host{flex:1;min-height:0}.demo-mindmap{height:100%}.demo-mindmap .mml-node{border-radius:var(--radius-sm);padding:8px 12px}.demo-mindmap .mml-node-content{font-size:13px;color:var(--ink)}.demo-mindmap .mml-outline-wrapper{background:var(--mml-outline-bg)}@media(max-width:860px){.topbar{height:auto;padding:12px 16px;flex-wrap:wrap}.workspace{grid-template-columns:1fr;height:auto}.sidebar{max-height:200px}.map-card{height:70vh}.map-toolbar{flex-direction:column;align-items:flex-start}}.topbar-divider{width:1px;height:22px;background:var(--line-strong);margin:0 4px;flex-shrink:0}.theme-toggle{display:flex;align-items:center;padding:3px;border-radius:var(--radius-sm);background:color-mix(in srgb,var(--ink) 5%,transparent)}.theme-btn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:26px;padding:0;border:none;border-radius:5px;background:transparent;color:var(--muted);box-shadow:none;cursor:pointer;transition:background .15s ease,color .15s ease}.theme-btn:hover{color:var(--ink)}.theme-btn.active{background:var(--card);color:var(--accent);box-shadow:0 1px 2px #00000014}.demo-mindmap .mml-outline-wrapper{flex-shrink:0}.demo-mindmap .mml-outline-toolbar{flex-wrap:wrap;gap:6px;padding:8px}.demo-mindmap .mml-outline-search{flex:1 1 100%;order:-1}.demo-mindmap 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a:hover{text-decoration-color:var(--accent)}.demo-mindmap .mml-node-content ul{margin:4px 0 0;padding-left:16px}.demo-mindmap .mml-node-content li{font-size:13px;line-height:1.5;color:var(--ink)}