/* Shared PC navigation; business content and access checks remain page-owned. */
body.shell-ready { --shell-width: 184px; }
.shell-ready .app-shell { grid-template-columns: var(--shell-width) minmax(0, 1fr); }
.shell-ready .shell-sidebar { box-sizing: border-box; padding: 26px 14px 20px; width: var(--shell-width); height: 100dvh; position: sticky; top: 0; display: flex; flex-direction: column; background: #fff; border-right: 1px solid #e3e6eb; color: #172033; overflow-y: auto; }
.shell-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #172033; }
.shell-logo { display: grid; place-items: center; width: 32px; height: 36px; border-radius: 8px; background: #2458c6; color: #fff; font-size: 19px; font-weight: 650; flex-shrink: 0; }
.shell-brand strong { display: block; font-size: 16px; font-weight: 600; white-space: nowrap; }
.shell-brand small { display: block; font-size: 10px; color: #677085; margin-top: 2px; }
.shell-nav-label { font-size: 11px; color: #677085; margin: 36px 12px 12px; }
.shell-nav { display: grid; gap: 8px; }
.shell-nav a { display: flex; align-items: center; gap: 12px; min-height: 46px; padding: 0 14px; border-radius: 8px; color: #465066; text-decoration: none; font-size: 15px; white-space: nowrap; }
.shell-nav a:hover { background: #f4f6fa; color: #2458c6; }
.shell-nav a[aria-current="page"] { background: #edf3ff; color: #2458c6; font-weight: 600; }
.shell-nav a:focus-visible, .shell-context a:focus-visible { outline: 2px solid #2458c6; outline-offset: 3px; }
.shell-sidebar-note { margin-top: auto; padding: 22px 10px 0; border-top: 1px solid #e3e6eb; font-size: 11px; color: #677085; }
.shell-sidebar-note strong { font-size: 12px; font-weight: 500; color: #465066; }
.shell-sidebar-note p { margin: 5px 0 0; }
.shell-context { display: flex; align-items: center; justify-content: flex-start; gap: 6px; padding: 8px 24px; min-height: 47px; box-sizing: border-box; border-bottom: 1px solid #e3e6eb; background: #fff; font-size: 13px; }
.shell-context-label { color: #677085; margin-right: 14px; font-size: 12px; }
.shell-context a { padding: 5px 12px; color: #465066; border-radius: 5px; text-decoration: none; white-space: nowrap; }
.shell-context a:hover { background: #f4f6fa; }
.shell-context a[aria-current="page"] { background: #edf3ff; color: #2458c6; font-weight: 600; }
.shell-standalone { padding-left: var(--shell-width); }
.shell-standalone > .shell-sidebar { position: fixed; left: 0; z-index: 20; }
.shell-page-header { height: 60px; min-height: 60px; padding: 10px 28px; box-sizing: border-box; }
.shell-page-header > .brand { font-size: 15px; font-weight: 500; }
.shell-page-header > span { font-size: 12px; }
.shell-page-header > nav a { display: none !important; }
.shell-page-header > nav { margin-left: auto; }
.shell-ready:not(.studio-page) > main { max-width: 1440px; padding: 26px 30px 40px; margin: 0 auto; }
.shell-ready .topbar { min-height: 56px; height: 56px; padding: 10px 24px; }
.shell-ready .workspace > main { padding: 24px; }
.shell-ready.pc-workspace .workspace > main { height: calc(100dvh - 103px); min-height: 0; padding: 10px 14px; }
.shell-ready.pc-workspace #pc-workspace { min-height: 500px; }
.shell-ready.pc-focus .app-shell { grid-template-columns: minmax(0, 1fr); }
.shell-ready.pc-focus .shell-sidebar { display: none; }
.shell-ready.studio-page > .workspace { height: calc(100dvh - 107px); grid-template-columns: 180px minmax(400px, 1fr) 300px; }
.shell-ready .home-intro { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 26px 28px; background: #fff; border: 1px solid #e3e6eb; border-radius: 10px; margin-bottom: 24px; }
.home-intro h1 { margin: 0 0 8px; font-size: 26px; }
.home-intro p { color: #677085; margin: 0; }
.home-intro .actions { display: flex; gap: 10px; flex-shrink: 0; }
.shell-ready .home-intro .button-primary { background: #2458c6; color: #fff; border-color: #2458c6; }
.home-secondary { margin-top: 20px; border: 1px solid #e3e6eb; border-radius: 8px; background: #fff; padding: 14px 20px; }
.home-secondary > summary { cursor: pointer; color: #465066; font-weight: 500; }
.home-secondary > section { border: 0; padding-inline: 0; }
.manage-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.manage-card { background: #fff; border: 1px solid #e3e6eb; border-radius: 10px; padding: 24px; }
.manage-card h2 { margin: 0 0 8px; }
.manage-card p { color: #677085; font-size: 13px; line-height: 1.7; }
.manage-links { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 18px; }
.manage-links a { color: #2458c6; }
.manage-intro { margin-bottom: 26px; }
.manage-intro p { color: #677085; }