/* ========================================================================== MKH - Application shell Visual language from the Claude Design project. Requires tokens.css, base.css and components.css. Sidebar states, all driven from : (default) expanded rail, 252px data-sidebar="collapsed" icon-only rail, 74px (desktop choice, persisted) data-drawer="open" off-canvas drawer (below 900px only) ========================================================================== */ .app { --rail-w: 252px; display: grid; grid-template-columns: var(--rail-w) minmax(0, 1fr); min-height: 100vh; min-height: 100svh; } body[data-sidebar="collapsed"] .app { --rail-w: 74px; } /* -------------------------------------------------------------------------- Rail Dark in BOTH themes. It is the one constantly-branded surface in the app, so it keeps its own --rail-* tokens rather than following the theme. -------------------------------------------------------------------------- */ .sidebar { position: sticky; top: 0; z-index: var(--z-rail); display: flex; flex-direction: column; height: 100vh; height: 100svh; overflow: hidden; background: var(--rail-bg); border-right: 1px solid var(--rail-line); color: var(--rail-txt-2); transition: transform var(--dur-slow) var(--ease); } /* ---- Head ---------------------------------------------------------------- */ .sidebar__head { display: flex; align-items: center; gap: 10px; height: 64px; padding: 0 14px; flex: none; border-bottom: 1px solid var(--rail-line-soft); } .sidebar__brand { display: flex; align-items: center; gap: 11px; min-width: 0; flex: 1; } .sidebar__brand:hover { text-decoration: none; } .sidebar__mark { width: 34px; height: 34px; flex: none; border-radius: 9px; box-shadow: 0 4px 14px -6px rgba(0, 0, 0, 0.8); } .sidebar__wordmark { display: flex; flex-direction: column; gap: 1px; min-width: 0; } .sidebar__name { font-family: var(--font-display); font-size: 16px; font-weight: 800; letter-spacing: 0.07em; line-height: 1; color: var(--rail-txt); } .sidebar__name em { font-style: normal; color: var(--sky-300); } .sidebar__sub { font-size: 8.5px; font-weight: var(--fw-bold); letter-spacing: 0.17em; text-transform: uppercase; color: var(--rail-txt-3); white-space: nowrap; } .sidebar__collapse { margin-left: auto; display: grid; place-items: center; width: 28px; height: 28px; flex: none; border-radius: var(--r-xs); color: var(--rail-txt-3); transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); } .sidebar__collapse:hover { background: var(--rail-hover); color: var(--rail-txt); } .sidebar__collapse svg { width: 16px; height: 16px; transition: transform var(--dur-base) var(--ease); } body[data-sidebar="collapsed"] .sidebar__collapse svg { transform: rotate(180deg); } /* ---- Nav ----------------------------------------------------------------- */ .sidebar__nav { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 12px 10px 16px; display: flex; flex-direction: column; gap: 14px; } .nav__section { display: flex; flex-direction: column; gap: 2px; } .nav__label { padding: 6px 10px 4px; font-size: 9.5px; font-weight: var(--fw-bold); letter-spacing: 0.17em; text-transform: uppercase; color: var(--rail-txt-3); white-space: nowrap; } .nav__item { position: relative; display: flex; align-items: center; gap: 11px; height: 38px; padding: 0 10px; border-radius: var(--r-sm); font-size: var(--fs-base); font-weight: var(--fw-medium); color: var(--rail-txt-2); white-space: nowrap; transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); } .nav__item:hover { background: var(--rail-hover); color: var(--rail-txt); text-decoration: none; } .nav__item svg { width: 18px; height: 18px; } /* The active item is a soft green wash plus a green edge marker, rather than a solid indigo pill - it sits better against the rail's own gradient. */ .nav__item[aria-current="page"] { background: var(--rail-active); color: var(--rail-txt); font-weight: var(--fw-semibold); } .nav__item[aria-current="page"]::before { content: ""; position: absolute; left: 0; top: 50%; width: 2px; height: 20px; margin-top: -10px; border-radius: 0 2px 2px 0; background: var(--green-400); } .nav__text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; } .nav__count { flex: none; padding: 1px 7px; border-radius: var(--r-full); background: rgba(147, 152, 214, 0.16); font-family: var(--font-mono); font-size: var(--fs-2xs); font-weight: var(--fw-semibold); } /* ---- Foot ---------------------------------------------------------------- */ .sidebar__foot { flex: none; padding: 12px 14px 16px; border-top: 1px solid var(--rail-line-soft); } .sidebar__org { display: flex; align-items: center; gap: 10px; } .sidebar__org-text { display: flex; flex-direction: column; gap: 1px; min-width: 0; } .sidebar__org-name { font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--rail-txt); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } .sidebar__org-meta { font-size: 10.5px; color: var(--rail-txt-3); white-space: nowrap; } /* ---- Collapsed rail ------------------------------------------------------ */ body[data-sidebar="collapsed"] .sidebar__wordmark, body[data-sidebar="collapsed"] .nav__label, body[data-sidebar="collapsed"] .nav__text, body[data-sidebar="collapsed"] .nav__count, body[data-sidebar="collapsed"] .sidebar__org-text { display: none; } body[data-sidebar="collapsed"] .sidebar__head { justify-content: center; padding: 0 var(--sp-2); } body[data-sidebar="collapsed"] .sidebar__brand { flex: none; } body[data-sidebar="collapsed"] .nav__item { justify-content: center; padding-left: 0; padding-right: 0; } body[data-sidebar="collapsed"] .nav__section + .nav__section { margin-top: var(--sp-2); padding-top: var(--sp-2); border-top: 1px solid var(--rail-line-soft); } body[data-sidebar="collapsed"] .sidebar__org { justify-content: center; } /* With no room left in the rail, the control becomes a handle straddling the edge. Circular and raised so it reads as a grip, not a clipped button. */ body[data-sidebar="collapsed"] .sidebar__collapse { position: absolute; right: -13px; top: 17px; z-index: 1; border-radius: var(--r-full); background: var(--indigo-800); border: 1px solid var(--rail-line); box-shadow: var(--sh-md); } body[data-sidebar="collapsed"] .sidebar__collapse:hover { background: var(--indigo-700); } /* -------------------------------------------------------------------------- Main column -------------------------------------------------------------------------- */ .app__main { min-width: 0; display: flex; flex-direction: column; } /* ---- Topbar -------------------------------------------------------------- */ .topbar { position: sticky; top: 0; z-index: var(--z-topbar); display: flex; align-items: center; gap: 10px; height: 64px; flex: none; padding: 0 clamp(14px, 2.5vw, 26px); /* Frosted rather than opaque, so content scrolling under it stays hinted. */ background: var(--surface-glass); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); border-bottom: 1px solid var(--line); } .topbar__menu { display: none; } .topbar__search { position: relative; display: flex; align-items: center; flex: 1; max-width: 420px; } .topbar__search .field__icon { left: 11px; } .topbar__search .input { height: 38px; padding-left: 36px; padding-right: 38px; font-size: var(--fs-md); border-radius: var(--r-full); } .topbar__kbd { position: absolute; right: 10px; display: grid; place-items: center; min-width: 20px; height: 20px; padding: 0 5px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface-3); font-family: var(--font-mono); font-size: 10.5px; color: var(--txt-3); pointer-events: none; } .topbar__actions { margin-left: auto; display: flex; align-items: center; gap: var(--sp-2); } .topbar__sep { width: 1px; height: 22px; background: var(--line); } .usermenu { position: relative; } .usermenu__trigger { display: inline-flex; align-items: center; gap: var(--sp-2); height: 34px; padding: 0 8px 0 4px; border: 1px solid var(--line); border-radius: var(--r-full); background: var(--surface-2); color: var(--txt-2); transition: border-color var(--dur-fast) var(--ease); } .usermenu__trigger:hover { border-color: var(--line-strong); } .usermenu__trigger .avatar { width: 26px; height: 26px; border-radius: var(--r-full); font-size: 10.5px; } .usermenu__name { font-size: var(--fs-md); font-weight: var(--fw-semibold); white-space: nowrap; } .usermenu__trigger svg { width: 14px; height: 14px; color: var(--txt-3); } /* ---- Content ------------------------------------------------------------- */ .content { flex: 1; min-width: 0; padding: clamp(18px, 2.6vw, 30px) clamp(14px, 2.5vw, 30px) 64px; /* Page grids size themselves against this box, not the viewport - the rail is 178px wide when expanded, more than enough to change how many columns actually fit. */ container-type: inline-size; container-name: content; } /* A measure cap: on a very wide monitor a full-bleed table is unreadable. */ .content__inner { max-width: 1400px; margin: 0 auto; display: flex; flex-direction: column; gap: clamp(16px, 2vw, 22px); } .page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; flex-wrap: wrap; } .page-head__text { min-width: 0; display: flex; flex-direction: column; gap: 7px; } .page-head__title { font-family: var(--font-display); font-size: clamp(24px, 2.7vw, 32px); font-weight: var(--fw-bold); letter-spacing: -0.025em; line-height: 1.1; } .page-head__sub { font-size: var(--fs-base); color: var(--txt-2); max-width: 74ch; } .page-head__actions { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; } .breadcrumb { display: flex; align-items: center; gap: 7px; font-size: var(--fs-sm); color: var(--txt-3); } .breadcrumb a { color: var(--txt-3); font-weight: var(--fw-medium); } .breadcrumb a:hover { color: var(--primary); text-decoration: none; } .breadcrumb svg { width: 12px; height: 12px; color: var(--line-strong); } /* -------------------------------------------------------------------------- Drawer scrim - only rendered below 900px -------------------------------------------------------------------------- */ .scrim { display: none; position: fixed; inset: 0; z-index: var(--z-scrim); background: rgba(9, 10, 26, 0.55); backdrop-filter: blur(2px); animation: mkh-fade 0.2s var(--ease); } /* -------------------------------------------------------------------------- Responsive -------------------------------------------------------------------------- */ /* Narrow desktops start from the collapsed rail unless the user chose otherwise. */ @media (max-width: 1200px) { body:not([data-sidebar="expanded"]) .app { --rail-w: 74px; } body:not([data-sidebar="expanded"]) .sidebar__wordmark, body:not([data-sidebar="expanded"]) .nav__label, body:not([data-sidebar="expanded"]) .nav__text, body:not([data-sidebar="expanded"]) .nav__count, body:not([data-sidebar="expanded"]) .sidebar__org-text { display: none; } body:not([data-sidebar="expanded"]) .sidebar__head { justify-content: center; padding: 0 var(--sp-2); } body:not([data-sidebar="expanded"]) .nav__item { justify-content: center; padding-left: 0; padding-right: 0; } body:not([data-sidebar="expanded"]) .sidebar__org { justify-content: center; } body:not([data-sidebar="expanded"]) .sidebar__collapse { position: absolute; right: -13px; top: 17px; z-index: 1; border-radius: var(--r-full); background: var(--indigo-800); border: 1px solid var(--rail-line); box-shadow: var(--sh-md); } body:not([data-sidebar="expanded"]) .sidebar__collapse:hover { background: var(--indigo-700); } } /* Tablet and phone - the rail leaves the flow and becomes a drawer. */ @media (max-width: 900px) { .app { grid-template-columns: minmax(0, 1fr); } .sidebar { position: fixed; top: 0; left: 0; width: 272px; transform: translateX(-100%); box-shadow: var(--sh-lg); } body[data-drawer="open"] .sidebar { transform: translateX(0); } body[data-drawer="open"] .scrim { display: block; } body[data-drawer="open"] { overflow: hidden; } /* The drawer is always the full rail, whatever the desktop collapse state. */ .sidebar__wordmark, .nav__label, .nav__text, .nav__count, .sidebar__org-text { display: flex !important; } .nav__label { display: block !important; } .sidebar__head { justify-content: flex-start !important; padding: 0 14px !important; } .nav__item { justify-content: flex-start !important; padding-left: 10px !important; padding-right: 10px !important; } .sidebar__org { justify-content: flex-start !important; } .sidebar__collapse { display: none; } .topbar__menu { display: grid; } .topbar__search { max-width: none; } .usermenu__name { display: none; } } @media (max-width: 620px) { .topbar { gap: var(--sp-2); padding: 0 14px; } .topbar__kbd { display: none; } .topbar__sep { display: none; } } /* Below this the search field crowds everything else out - move it to its own row under the topbar rather than shrinking it into uselessness. */ @media (max-width: 480px) { .topbar { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; } .topbar__search { order: 3; flex: 1 0 100%; } .topbar__actions { margin-left: auto; } }