.workspace { min-height: 100vh; }

/* Navigation rail */
.sidebar { width: var(--sidebar-width); position: fixed; inset: 0 auto 0 0; display: flex; flex-direction: column; background: var(--rail); color: var(--rail-ink); z-index: 30; overflow-y: auto; scrollbar-width: thin; scrollbar-color: #2b4238 transparent; }
.brand { display: flex; align-items: center; gap: 10px; min-height: var(--header-height); padding: 0 18px; color: #fff; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 26px; height: 26px; border-radius: 8px; background: var(--mint); color: var(--rail); display: grid; place-items: center; font-weight: 700; font-size: 15px; letter-spacing: -.04em; }
.brand-name { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name strong { font-size: 15px; font-weight: 650; letter-spacing: -.01em; }
.brand-name span { font-size: 11px; color: #8fa699; }
.navigation { padding: 6px 10px 16px; display: grid; gap: 14px; }
.nav-group-title { display: flex; align-items: center; gap: 9px; padding: 6px 10px 4px; font-size: var(--text-xs); font-weight: 550; color: #8fa699; cursor: pointer; list-style: none; }
.nav-group-title::-webkit-details-marker { display: none; }
.nav-group-title:hover { color: #fff; }
.nav-group-title:focus-visible { outline: 2px solid var(--mint); outline-offset: 2px; border-radius: var(--radius-sm); }
.nav-group-title .icon { width: 15px; height: 15px; }
.nav-group-chevron { margin-left: auto; width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(-45deg); transition: transform .15s ease; }
.nav-group[open] .nav-group-chevron { transform: rotate(45deg); }
.nav-items { display: grid; gap: 1px; }
.nav-items a { position: relative; display: block; padding: 6px 10px 6px 34px; border-radius: var(--radius-sm); color: var(--rail-ink); font-size: var(--text-sm); line-height: 1.45; }
.nav-items a:hover { background: var(--rail-hover); color: #fff; text-decoration: none; }
.nav-items a[aria-current="page"] { background: var(--rail-active); color: #fff; font-weight: 550; }
.nav-items a[aria-current="page"]::before { content: ''; position: absolute; left: 14px; top: 50%; width: 6px; height: 6px; margin-top: -3px; border-radius: 50%; background: var(--mint); }
.sidebar-footer { margin-top: auto; padding: 14px 20px 18px; font-size: 11px; color: #6f877a; display: flex; justify-content: space-between; }

/* Work area */
.workspace-body { margin-left: var(--sidebar-width); min-height: 100vh; display: flex; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 20; height: var(--header-height); padding: 0 32px; display: flex; align-items: center; gap: 16px; background: rgba(243, 245, 242, .9); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--line); }
.breadcrumbs { display: flex; align-items: center; gap: 8px; font-size: var(--text-sm); color: var(--muted); min-width: 0; margin-right: auto; }
.breadcrumbs strong { font-weight: 550; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.breadcrumbs .crumb-sep { color: var(--line-strong); }
.account-controls { display: flex; align-items: center; gap: 4px; font-size: var(--text-sm); }
.account-controls form { margin: 0; }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--pine-soft); color: var(--pine-strong); display: grid; place-items: center; font-weight: 650; font-size: var(--text-sm); }
.account-name { max-width: 160px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; margin: 0 6px 0 2px; color: var(--ink-soft); }

.main-content { padding: 32px; flex: 1; position: relative; width: 100%; max-width: calc(var(--content-max) + 64px); }
.main-content:focus { outline: none; }
.main-content[aria-busy="true"]::before { content: ''; position: fixed; top: var(--header-height); left: var(--sidebar-width); right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--pine), transparent); background-size: 50% 100%; background-repeat: no-repeat; animation: busy-slide 1s linear infinite; z-index: 25; }
@keyframes busy-slide { from { background-position: -50% 0; } to { background-position: 150% 0; } }
.workspace-footer { display: none; }
.mobile-menu { display: none; }

/* System status: one chip in the top bar instead of a banner on every page. */
.system-status { position: relative; }
.status-chip { display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 12px 0 10px; border-radius: var(--radius-pill); border: 1px solid var(--line); background: var(--surface); color: var(--ink-soft); font-size: var(--text-xs); font-weight: 550; }
.status-chip:hover { border-color: var(--line-strong); }
.status-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #a9b5ae; flex: 0 0 auto; }
.status-sound { width: 14px; height: 14px; color: var(--muted); }
.system-status[data-state="ok"] .status-dot { background: var(--ok); }
.system-status[data-state="alert"] .status-chip, .system-status[data-state="test"] .status-chip { border-color: #eab5ab; background: var(--alert-soft); color: #8f2a1d; }
.system-status[data-state="alert"] .status-dot, .system-status[data-state="test"] .status-dot { background: var(--alert); }
.system-status[data-state="alert"] .status-dot::after, .system-status[data-state="test"] .status-dot::after { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--alert); opacity: 0; animation: status-ping 1.6s ease-out infinite; }
@keyframes status-ping { 0% { transform: scale(.6); opacity: .7; } 100% { transform: scale(1.7); opacity: 0; } }
.status-popover { position: absolute; right: 0; top: calc(100% + 8px); width: min(360px, calc(100vw - 24px)); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-pop); padding: 16px; z-index: 40; }
.status-popover h2 { font-size: var(--text-md); }
.status-popover p { font-size: var(--text-sm); color: var(--muted); margin-top: 4px; }
.status-problems { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 6px; }
.status-problems li { display: flex; gap: 8px; align-items: baseline; font-size: var(--text-sm); color: var(--ink); }
.status-problems li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--alert); flex: 0 0 auto; transform: translateY(-2px); }
.status-actions { display: flex; align-items: center; gap: 8px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.status-actions a { margin-left: auto; font-size: var(--text-sm); }

/* Sign-in and error pages */
.auth-layout { min-height: 100vh; display: grid; grid-template-columns: minmax(320px, 440px) minmax(0, 1fr); background: var(--surface); }
.auth-side { background: var(--rail); color: var(--rail-ink); padding: 48px; display: flex; flex-direction: column; justify-content: space-between; }
.auth-side .brand { padding: 0; min-height: 0; }
.auth-side p { max-width: 360px; font-size: var(--text-lg); line-height: 1.55; color: #d6e2db; }
.auth-main { display: grid; place-items: center; padding: 32px 24px; }
.auth-card { width: min(380px, 100%); }
.auth-card h1 { font-size: var(--text-2xl); margin-bottom: 8px; }
.auth-card > p { font-size: var(--text-md); margin-bottom: 24px; }
.auth-form { margin-top: 24px; }
.auth-card > .button { margin-top: 24px; }
.auth-brand { display: none; }

@media (max-width: 760px) {
  .sidebar { transform: translateX(-100%); transition: transform .18s ease, visibility .18s; visibility: hidden; }
  .workspace[data-menu-open] .sidebar { transform: translateX(0); visibility: visible; box-shadow: 8px 0 30px rgba(17, 32, 26, .3); }
  .sidebar-backdrop { display: block; position: fixed; inset: 0; border: 0; background: rgba(17, 32, 26, .4); z-index: 25; }
  .workspace-body { margin-left: 0; }
  .mobile-menu { display: inline-grid; margin-left: -8px; }
  .topbar { padding: 0 12px 0 16px; gap: 8px; }
  .breadcrumbs #breadcrumb-module, .breadcrumbs .crumb-sep { display: none; }
  .status-label { display: none; }
  .status-chip { padding: 0 10px; }
  .account-name { display: none; }
  .main-content { padding: 22px 16px; }
  .main-content[aria-busy="true"]::before { left: 0; }
  .auth-layout { grid-template-columns: 1fr; }
  .auth-side { padding: 20px 24px; }
  .auth-side p { display: none; }
}