/* Layout * Contains structure and positioning styles * Uses data-view attribute on to switch between: * "home" — full-width, no sidebar, no TOC * "foundation" — sidebar (foundation items) + content + TOC * "components" — sidebar (component items) + content + TOC */ /* ─── Top Header ─── */ .top-header { position: fixed; top: 0; left: 0; right: 0; height: 56px; background-color: var(--bg-primary); border-bottom: 1px solid var(--border-secondary); z-index: 50; display: flex; align-items: center; } .top-header-inner { display: flex; align-items: center; width: 100%; padding: 0 1.5rem; gap: 1.5rem; } .top-header-left { flex-shrink: 0; } .header-logo { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; color: var(--text-primary); font-weight: 600; font-size: 0.9375rem; white-space: nowrap; transition: opacity 0.15s ease; } .header-logo:hover { opacity: 0.8; } .header-logo i { font-size: 1.125rem; color: var(--fg-brand-primary); } .header-logo-text { font-weight: 700; letter-spacing: -0.01em; } .header-logo-divider { width: 1px; height: 18px; background-color: var(--border-secondary); margin: 0 0.125rem; } .header-logo-label { font-weight: 400; color: var(--text-tertiary); font-size: 0.875rem; } .top-header-nav { display: flex; align-items: center; gap: 0.25rem; margin-left: 0.5rem; } .header-nav-link { padding: 0.375rem 0.75rem; border-radius: 6px; font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); text-decoration: none; transition: all 0.15s ease; white-space: nowrap; } .header-nav-link:hover { color: var(--text-primary); background-color: var(--bg-secondary-hover); } .header-nav-link.active { color: var(--fg-brand-primary); background-color: var(--bg-brand-primary); font-weight: 600; } .top-header-right { display: flex; align-items: center; gap: 0.75rem; margin-left: auto; } /* Header Utility Link (Changelog) */ .header-util-link { display: inline-flex; align-items: center; gap: 0.375rem; padding: 0.375rem 0.625rem; border-radius: 6px; font-size: 0.8125rem; font-weight: 500; color: var(--text-tertiary); text-decoration: none; transition: all 0.15s ease; white-space: nowrap; } .header-util-link:hover { color: var(--text-primary); background-color: var(--bg-secondary-hover); } .header-util-link.active { color: var(--fg-brand-primary); background-color: var(--bg-brand-primary); } .header-util-link i { font-size: 0.875rem; } /* Header Search */ .header-search { display: flex; align-items: center; gap: 0.5rem; padding: 0.375rem 0.75rem; border: 1px solid var(--border-secondary); border-radius: 8px; background-color: var(--bg-secondary); min-width: 180px; cursor: not-allowed; opacity: 0.65; } .header-search-icon { font-size: 0.8125rem; color: var(--text-tertiary); } .header-search-input { border: none; background: transparent; font-size: 0.8125rem; color: var(--text-tertiary); outline: none; width: 100%; cursor: not-allowed; font-family: inherit; } .header-search-input::placeholder { color: var(--text-placeholder, var(--text-tertiary)); } .header-search-kbd { font-family: inherit; font-size: 0.6875rem; font-weight: 500; color: var(--text-tertiary); background-color: var(--bg-primary); border: 1px solid var(--border-secondary); border-radius: 4px; padding: 0.0625rem 0.375rem; line-height: 1.4; } /* ─── Main Layout Grid ─── */ .layout { display: grid; grid-template-columns: 1fr; min-height: 100vh; padding-top: 56px; transition: grid-template-columns 0.25s ease; } /* Section views: show sidebar + content */ [data-view="foundation"] .layout, [data-view="components"] .layout { grid-template-columns: 248px 1fr; } /* ─── Sidebar ─── */ .sidebar { background-color: var(--bg-primary); border-right: 1px solid var(--border-secondary); overflow-y: auto; height: calc(100vh - 56px); position: sticky; top: 56px; z-index: 10; transition: transform 0.3s ease-in-out; } /* Hide sidebar on home view */ [data-view="home"] .sidebar { display: none; } .sidebar-content { padding: 0.75rem 0; } /* Sidebar sections — only show the active one */ .sidebar-section { display: none; } [data-view="foundation"] .sidebar-section[data-sidebar="foundation"] { display: block; } [data-view="components"] .sidebar-section[data-sidebar="components"] { display: block; } /* Sidebar overlay for mobile */ .sidebar-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); z-index: 5; animation: fade-in 0.2s ease-out; } @keyframes fade-in { from { opacity: 0; } to { opacity: 1; } } /* Mobile sidebar toggle button */ .sidebar-toggle { display: none; position: fixed; top: calc(56px + 0.75rem); left: 0.75rem; z-index: 60; background-color: var(--bg-primary); border: 1px solid var(--border-secondary); border-radius: 6px; padding: 0.5rem; cursor: pointer; box-shadow: 0 1px 3px rgba(16, 24, 40, 0.1); transition: background-color 0.2s; } .sidebar-toggle:hover { background-color: var(--bg-primary-hover); } .sidebar-toggle i { display: block; font-size: 1.25rem; color: var(--text-primary); } /* ─── Main Content ─── */ .main-content { background-color: var(--bg-canvas); min-height: calc(100vh - 56px); padding: 2.5rem 3rem; width: 100%; position: relative; display: grid; grid-template-columns: 1fr 230px; gap: 2rem; } .content-wrapper { min-width: 0; max-width: 1440px; align-self: start; } /* Home view: center content with more breathing room */ [data-view="home"] .main-content { padding: 0; grid-template-columns: 1fr; } [data-view="home"] .content-wrapper { max-width: 100%; } /* ─── Right TOC Sidebar — In-flow, Sticky ─── */ .toc-sidebar { position: sticky; top: calc(56px + 2rem); max-height: calc(100vh - 56px - 4rem); overflow-y: auto; background: transparent; border: none; padding: 0; } /* Hide TOC on home view */ [data-view="home"] .toc-sidebar { display: none; } .toc-header { font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); padding: 0 0.5rem; margin-bottom: 0.75rem; } .toc-nav { display: flex; flex-direction: column; } .toc-link { display: block; padding: 0.25rem 0.5rem; font-size: 0.8125rem; color: var(--text-tertiary); text-decoration: none; transition: color 0.15s ease; line-height: 1.5; border-left: 2px solid transparent; } .toc-link:hover { color: var(--text-primary); } .toc-link.active { color: var(--fg-brand-primary); border-left-color: var(--fg-brand-primary); font-weight: 500; } .toc-link.toc-h3 { padding-left: 1.25rem; font-size: 0.75rem; } /* ─── Standalone pages (home-view pages that need constrained content) ─── */ #changelog-page { max-width: 1440px; margin: 0 auto; padding: 2.5rem 3rem; } /* ─── Container sizes ─── */ .container-sm { max-width: 640px; margin: 0 auto; } .container-md { max-width: 768px; margin: 0 auto; } .container-lg { max-width: 1024px; margin: 0 auto; } .container-xl { max-width: 1280px; margin: 0 auto; } .container-fluid { width: 100%; } /* ─── Grid system ─── */ .grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1.5rem; } .grid-col-1 { grid-column: span 1; } .grid-col-2 { grid-column: span 2; } .grid-col-3 { grid-column: span 3; } .grid-col-4 { grid-column: span 4; } .grid-col-5 { grid-column: span 5; } .grid-col-6 { grid-column: span 6; } .grid-col-7 { grid-column: span 7; } .grid-col-8 { grid-column: span 8; } .grid-col-9 { grid-column: span 9; } .grid-col-10 { grid-column: span 10; } .grid-col-11 { grid-column: span 11; } .grid-col-12 { grid-column: span 12; } /* ─── Responsive ─── */ /* Hide TOC when content needs more room */ @media (max-width: 1200px) { .main-content { grid-template-columns: 1fr; } .toc-sidebar { display: none; } } /* Collapse sidebar on tablet */ @media (max-width: 992px) { [data-view="foundation"] .layout, [data-view="components"] .layout { grid-template-columns: 1fr; } .sidebar { position: fixed; width: 280px; top: 56px; transform: translateX(-100%); box-shadow: none; transition: transform 0.3s ease, box-shadow 0.3s ease; } .sidebar.open { transform: translateX(0); box-shadow: 5px 0 25px rgba(0, 0, 0, 0.1); } /* Show sidebar toggle button on tablet when in a section view */ [data-view="foundation"] .sidebar-toggle, [data-view="components"] .sidebar-toggle { display: block; } .content-wrapper { margin-top: 0; } .main-content { padding: 1.5rem; padding-top: 3.5rem; } [data-view="home"] .main-content { padding: 0; } .grid { gap: 1rem; } } /* Small screens */ @media (max-width: 768px) { .header-search { display: none; } .header-util-link span { display: none; } .top-header-inner { gap: 0.75rem; padding: 0 0.75rem; } .top-header-nav { margin-left: 0.5rem; } .header-nav-link { padding: 0.25rem 0.5rem; font-size: 0.8125rem; } .header-logo-label { display: none; } .header-logo-divider { display: none; } } @media (max-width: 576px) { .grid { grid-template-columns: repeat(4, 1fr); gap: 0.75rem; } .content-wrapper { padding: 0.5rem; } [class^="grid-col-"] { grid-column: span 4; } .sidebar-toggle { top: calc(56px + 0.5rem); left: 0.5rem; } .component-section .component-demo { padding: 1rem; } .component-section .component-example { margin-right: 0.75rem; margin-bottom: 0.75rem; padding: 0.75rem; } }