*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #f3f4f6;--color-surface: #ffffff;--color-text: #111827;--color-text-secondary: #6b7280;--color-text-muted: #9ca3af;--color-border: #e5e7eb;--color-accent: #2563eb;--color-accent-hover: #1d4ed8;--color-error: #ef4444;--color-success: #22c55e;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .1);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--spacing-3xl: 64px}html{font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh;display:flex;flex-direction:column}input,button{font-family:inherit;font-size:inherit}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}code{font-family:var(--font-mono);font-size:.875em;background:#f3f4f6;padding:2px 6px;border-radius:var(--radius-sm);word-break:break-all}h1,h2,h3{line-height:1.3;font-weight:600}h1{font-size:1.5rem}h2{font-size:1.125rem}h3{font-size:1rem}.nav{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:50}.nav-inner{max-width:960px;margin:0 auto;padding:0 var(--spacing-lg);height:56px;display:flex;align-items:center}.logo{display:inline-flex;align-items:center;gap:var(--spacing-sm);text-decoration:none;color:var(--color-text)}.logo:hover{text-decoration:none}.logo-img{height:22px;width:auto;filter:brightness(0)}.logo-badge{font-size:.75rem;font-weight:500;color:var(--color-text-muted);background:var(--color-bg);padding:2px 8px;border-radius:999px;letter-spacing:.02em}.nav-spacer{flex:1}.user-menu{position:relative}.user-avatar{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:none;border-radius:50%;background:var(--color-text);color:#fff;font-size:.8125rem;font-weight:600;cursor:pointer;transition:opacity .15s}.user-avatar:hover{opacity:.8}.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:220px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:100;overflow:hidden}.user-dropdown-header{padding:var(--spacing-md)}.user-dropdown-name{display:block;font-size:.875rem;font-weight:600;color:var(--color-text)}.user-dropdown-email{display:block;font-size:.8125rem;color:var(--color-text-muted);margin-top:2px}.user-dropdown-divider{height:1px;background:var(--color-border)}.user-dropdown-item{display:flex;align-items:center;gap:var(--spacing-sm);width:100%;padding:var(--spacing-sm) var(--spacing-md);border:none;background:transparent;color:var(--color-text-secondary);font-size:.8125rem;cursor:pointer;transition:background .1s,color .1s}.user-dropdown-item:hover{background:var(--color-bg);color:var(--color-error)}.layout{flex:1;display:flex}.main-content{flex:1;display:flex;flex-direction:column}.sidebar{width:220px;flex-shrink:0;background:var(--color-surface);border-right:1px solid var(--color-border);padding:var(--spacing-sm) var(--spacing-sm);display:flex;flex-direction:column;gap:2px}.sidebar-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:9px 12px;font-size:.875rem;font-weight:500;color:var(--color-text-secondary);text-decoration:none;border:none;border-radius:var(--radius-sm);background:transparent;width:100%;cursor:pointer;transition:background .12s,color .12s;font-family:inherit}.sidebar-link:hover{background:var(--color-bg);color:var(--color-text);text-decoration:none}.sidebar-link--active{color:var(--color-text);font-weight:600;background:#f0f0f0}.sidebar-link--parent{justify-content:flex-start}.sidebar-chevron{margin-left:auto;transition:transform .2s;color:var(--color-text-muted);flex-shrink:0}.sidebar-link--open .sidebar-chevron{transform:rotate(180deg)}.sidebar-sublinks{display:flex;flex-direction:column;gap:1px;padding-left:8px}.sidebar-sublink{display:flex;align-items:center;gap:var(--spacing-sm);padding:7px 12px 7px 36px;font-size:.8125rem;color:var(--color-text-muted);text-decoration:none;border-radius:var(--radius-sm);transition:color .12s,background .12s;position:relative}.sidebar-sublink:before{content:"";position:absolute;left:20px;top:50%;width:4px;height:4px;border-radius:50%;background:var(--color-border);transform:translateY(-50%)}.sidebar-sublink:hover{color:var(--color-text);background:var(--color-bg);text-decoration:none}.sidebar-sublink--active{color:var(--color-text);font-weight:500;background:#f0f0f0}.sidebar-sublink--active:before{background:var(--color-text)}