:root{--sl-nav-w: 52px;--sl-nav-w-icons: 52px;--sl-bar-h: 52px;--sl-pad: clamp(24px, 4vw, 56px);--sl-pad-l: var(--sl-pad);--sl-pad-r: var(--sl-pad);--sl-content-max: 1100px}body{font-family:Inter,system-ui,sans-serif;background:var(--color-academic-bg);color:var(--color-academic-text);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}.sl-layout{display:flex;width:100%;min-height:100vh}.sl-sidebar{width:var(--sl-nav-w);flex-shrink:0;border-right:1px solid var(--color-academic-border);padding:36px 24px 28px;position:sticky;top:0;height:100vh;overflow:hidden;display:flex;flex-direction:column;background:var(--color-academic-bg);z-index:10;transition:width .2s ease,padding .2s ease}.sl-sidebar-top{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:28px}.sl-toggle-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:6px 8px;margin-top:8px;background:none;border:1px solid var(--color-academic-border);border-radius:6px;cursor:pointer;color:var(--color-academic-muted);font-size:13px;font-family:inherit;transition:color .15s,border-color .15s,background .15s}.sl-toggle-btn:hover{color:var(--color-academic-text);border-color:var(--color-academic-text);background:var(--color-academic-card)}.sl-toggle-label{font-size:11px}.sl-toggle-icon-expand{display:none}.sl-toggle-icon-collapse,.sl-sidebar.collapsed .sl-toggle-icon-expand{display:block}.sl-sidebar.collapsed .sl-toggle-icon-collapse,.sl-sidebar.collapsed .sl-toggle-label{display:none}.sl-sidebar.collapsed .sl-toggle-btn{width:auto;padding:6px 7px}.sl-sidebar.collapsed{width:var(--sl-nav-w-icons);padding:20px 8px;align-items:center}.sl-sidebar.collapsed .sl-sidebar-top{justify-content:center}.sl-sidebar.collapsed .sl-brand-name{display:none}.sl-sidebar.collapsed .sl-nav a{justify-content:center;padding:8px;border-left:none;border-radius:8px;gap:0}.sl-sidebar.collapsed 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var(--sl-pad);gap:0;height:100%;box-sizing:border-box}.sl-compact-page-label{font-size:13px;font-weight:500;color:var(--color-academic-text);white-space:nowrap;flex-shrink:0;margin-right:16px}.sl-compact-divider{width:1px;height:16px;background:var(--color-academic-border);margin-right:4px;flex-shrink:0}#sl-compact-nav{flex:1;min-width:0;overflow:hidden}#sl-compact-nav a{font-size:12.5px;color:var(--color-academic-muted);text-decoration:none;padding:6px 11px;border-radius:4px;transition:color .15s,background .15s;white-space:nowrap;display:inline-block}#sl-compact-nav a:hover{color:var(--color-academic-text);background:var(--color-academic-card)}#sl-compact-nav a.active{color:var(--color-academic-text);font-weight:500}.sl-compact-actions{margin-left:auto;display:flex;align-items:center;gap:8px;flex-shrink:0}.sl-compact-menu-btn{display:none;background:none;border:1px solid var(--color-academic-border);border-radius:4px;cursor:pointer;padding:5px 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