@import "https://fonts.googleapis.com/css2?family=Montserrat:wght@700;800&display=swap";:root{color:#29323d;--app-bg:#f5f7f9;--app-surface:#fff;--app-subtle:#f7f8fa;--app-text:#29323d;--app-muted:#66717f;--app-border:#dce2e8;--app-primary:#2164e8;--app-primary-soft:#edf3ff;--app-success:#258253;--app-danger:#bd3b3b;--app-warning:#926b22;--app-note:#fffdf3;--app-note-header:#f8f2dc;--app-radius:8px;--app-shadow:0 2px 6px #24364b08;--app-sidebar-width:232px;--app-memo-width:240px;background:#f5f7f9;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Kaku Gothic ProN,Yu Gothic,sans-serif;font-size:14px;line-height:1.6}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer;transition:background-color .15s,border-color .15s,box-shadow 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h2{color:var(--app-warning)}.scenario-card-custom .scenario-action{background:var(--app-note-header);color:#80602a}.welcome-footer{color:#788391;text-align:center;margin-top:auto}.welcome-footer>div{flex-wrap:wrap;justify-content:center;gap:8px 24px;margin-bottom:12px;display:flex}.welcome-footer a{color:var(--app-muted);align-items:center;gap:7px;padding:6px 0;font-size:13px;text-decoration:none;display:inline-flex}.welcome-footer a:hover{color:var(--app-primary)}.welcome-footer img{object-fit:contain}.welcome-footer small{font-size:11px}.app-header{border-bottom:1px solid var(--app-border);background:#fff;flex-shrink:0;grid-template-columns:1fr minmax(0,auto) 1fr;align-items:center;gap:20px;min-height:64px;padding:12px 20px;display:grid}.app-header-brand{align-items:center;gap:12px;display:flex}.app-home-button{background:0 0;border:0;border-radius:6px;place-items:center;width:38px;height:38px;padding:4px;display:grid}.app-home-button:hover{background:var(--app-primary-soft)}.app-header h1{white-space:nowrap;text-overflow:ellipsis;max-width:400px;margin:0;font-size:18px;font-weight:600;line-height:1.5;overflow:hidden}.app-header-actions{justify-content:flex-end;gap:8px;display:flex}.workspace-tabs button:hover{--tab-hover:var(--app-primary-soft)}.workspace-content,.workspace-main{min-width:0;min-height:0}.workspace-content{position:relative}.workspace-main{isolation:isolate}.workspace-navigation{border-bottom:1px solid var(--app-border);background:var(--app-subtle);flex-shrink:0;justify-content:space-between;align-items:stretch;display:flex}.workspace-tabs{min-width:0}.workspace-panel-actions{flex-shrink:0;align-items:center;gap:6px;padding:6px 16px 6px 8px;display:flex}.panel-toggle{min-height:36px;color:var(--app-muted);white-space:nowrap;background:0 0;border:1px solid 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