/*
 * Cortex — App Shell
 * Sidebar + topbar layout wrapping all pages.
 *
 * Classes live under .rd-app so they don't collide with the remaining
 * legacy layout CSS on unredesigned pages (auth, profile, onboarding).
 */

@layer components {
  /* ---------- Root body reset (scoped to redesign shell) ---------- */
  .rd-app,
  .rd-app * {
    box-sizing: border-box;
  }
  .rd-app {
    font-family: var(--rd-font-sans);
    font-size: var(--rd-text-base);
    line-height: var(--rd-leading-normal);
    color: var(--rd-fg);
    background: var(--rd-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    font-feature-settings: "cv11", "ss01";

    display: grid;
    grid-template-columns: var(--rd-sidebar-w, 232px) 1fr;
    min-height: 100vh;
    transition: grid-template-columns var(--rd-dur) var(--rd-ease);
  }
  .rd-app[data-collapsed="true"] {
    --rd-sidebar-w: 60px;
  }

  /* The redesign shell takes over the page background so legacy content
     sits on the new canvas. */
  html:has(.rd-app),
  body:has(.rd-app) {
    background: var(--rd-bg);
  }

  /* ---------- Sidebar ---------- */
  .rd-sidebar {
    background: var(--rd-bg-sidebar);
    border-right: 1px solid var(--rd-border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
  }

  .rd-sidebar-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--rd-border);
    height: 72px;
  }

  .rd-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--rd-fg);
    text-decoration: none;
    min-width: 0;
  }
  .rd-brand-lockup {
    height: 48px;
    width: auto;
    display: block;
  }

  .rd-sidebar-collapse {
    margin-left: auto;
  }

  /* Collapsed rail — only applies on desktop; on mobile the sidebar is an
     off-canvas drawer that always renders expanded regardless of this state. */
  @media (min-width: 901px) {
    .rd-app[data-collapsed="true"] .rd-brand,
    .rd-app[data-collapsed="true"] .rd-sidebar-section,
    .rd-app[data-collapsed="true"] .rd-nav-sub,
    .rd-app[data-collapsed="true"] .rd-nav-label,
    .rd-app[data-collapsed="true"] .rd-user-info {
      display: none;
    }
    .rd-app[data-collapsed="true"] .rd-sidebar-head {
      justify-content: center;
      padding: 14px 0 12px;
    }
    .rd-app[data-collapsed="true"] .rd-sidebar-collapse {
      margin-left: 0;
    }
    .rd-app[data-collapsed="true"] .rd-nav-item {
      justify-content: center;
      padding: 8px 0;
    }
    .rd-app[data-collapsed="true"] .rd-nav-badge {
      display: none;
    }
    /* Stack avatar + sign-out vertically so both stay reachable in the
       narrow rail (60px) without overflowing. */
    .rd-app[data-collapsed="true"] .rd-sidebar-foot {
      flex-direction: column;
      justify-content: center;
      gap: 6px;
    }
  }

  .rd-sidebar-scroll {
    overflow-y: auto;
    flex: 1;
    padding: 10px 8px 16px;
  }
  .rd-sidebar-section {
    font-size: var(--rd-text-2xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--rd-fg-subtle);
    padding: 14px 10px 6px;
    font-weight: 500;
  }

  .rd-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 10px;
    color: var(--rd-fg-muted);
    border-radius: 0;
    font-size: var(--rd-text-base);
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    user-select: none;
    border: 0;
    background: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
  }
  .rd-nav-item:hover {
    background: var(--rd-bg-hover);
    color: var(--rd-fg);
  }
  .rd-nav-item.is-active {
    background: var(--rd-bg-raised);
    color: var(--rd-fg);
    box-shadow: inset 0 0 0 1px var(--rd-border);
  }
  .rd-nav-item.is-active .rd-nav-icon {
    color: var(--rd-accent);
  }
  .rd-nav-icon {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
    color: var(--rd-fg-subtle);
  }
  .rd-nav-label {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .rd-nav-badge {
    font-family: var(--rd-font-mono);
    font-size: var(--rd-text-2xs);
    color: var(--rd-fg-subtle);
    background: var(--rd-bg-sunken);
    border: 1px solid var(--rd-border);
    padding: 1px 6px;
    border-radius: 0;
  }

  .rd-nav-sub {
    padding-left: 34px;
  }
  .rd-nav-sub .rd-nav-item {
    font-size: var(--rd-text-sm);
    padding: 5px 10px;
    font-weight: 400;
    color: var(--rd-fg-subtle);
  }
  .rd-nav-sub .rd-nav-item.is-active {
    background: transparent;
    box-shadow: none;
    color: var(--rd-accent);
    font-weight: 500;
  }
  .rd-nav-sub .rd-nav-item:hover {
    color: var(--rd-fg);
    background: transparent;
  }

  .rd-sidebar-foot {
    border-top: 1px solid var(--rd-border);
    padding: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .rd-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 0;
    background: linear-gradient(135deg, oklch(0.68 0.14 300), oklch(0.74 0.18 0));
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 600;
    font-size: var(--rd-text-xs);
    flex: 0 0 auto;
    text-decoration: none;
  }
  .rd-user-info {
    min-width: 0;
    flex: 1;
  }
  .rd-sidebar-signout {
    display: inline-flex;
    margin: 0;
  }
  .rd-u-name {
    font-size: var(--rd-text-sm);
    font-weight: 500;
    line-height: 1.2;
    color: var(--rd-fg);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .rd-u-meta {
    font-size: var(--rd-text-xs);
    color: var(--rd-fg-subtle);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* ---------- Main column ---------- */
  .rd-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
  }

  /* ---------- Topbar ---------- */
  .rd-topbar {
    display: flex;
    align-items: center;
    gap: 14px;
    height: 72px;
    padding: 0 20px;
    border-bottom: 1px solid var(--rd-border);
    background: var(--rd-bg);
    position: sticky;
    top: 0;
    z-index: 20;
  }

  .rd-crumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--rd-text-base);
    color: var(--rd-fg-muted);
    min-width: 0;
  }
  .rd-crumbs a {
    color: inherit;
    text-decoration: none;
  }
  .rd-crumbs a:hover {
    color: var(--rd-fg);
  }
  .rd-crumbs .rd-sep {
    color: var(--rd-fg-faint);
    display: inline-flex;
  }
  .rd-crumbs .rd-here {
    color: var(--rd-fg);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .rd-topbar-spacer {
    flex: 1;
  }

  .rd-search {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--rd-bg-sunken);
    border: 2px solid var(--pop-ink);
    border-radius: 0;
    box-shadow: var(--pop-shadow-sm);
    padding: 5px 10px;
    color: var(--rd-fg-subtle);
    min-width: 280px;
    font-size: var(--rd-text-sm);
    cursor: text;
    font-family: inherit;
  }
  .rd-search:hover {
    border-color: var(--rd-border-strong);
  }
  .rd-search .rd-search-label {
    flex: 1;
    text-align: left;
  }
  .rd-kbd {
    font-family: var(--rd-font-mono);
    font-size: var(--rd-text-2xs);
    padding: 1px 5px;
    border-radius: 0;
    background: var(--rd-bg-raised);
    border: 1px solid var(--rd-border);
    color: var(--rd-fg-muted);
  }

  .rd-icon-btn {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 0;
    color: var(--rd-fg-muted);
    position: relative;
    cursor: pointer;
    font-family: inherit;
    text-decoration: none;
  }
  .rd-icon-btn:hover {
    background: var(--rd-bg-hover);
    color: var(--rd-fg);
  }
  .rd-icon-btn .rd-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--rd-accent);
    border: 2px solid var(--rd-bg);
  }
  .rd-icon-btn .rd-dot-count {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 999px;
    background: var(--rd-accent);
    color: var(--rd-accent-fg);
    font-size: var(--rd-text-2xs);
    font-weight: 600;
    font-family: var(--rd-font-mono);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--rd-bg);
    box-sizing: content-box;
  }

  /* Cortex Assistant trigger — an icon button that lives in the topbar
     alongside notifications/theme. Accent-tinted sparkle so it reads as the
     AI feature while keeping the header's icon-button rhythm. */
  .rd-ai-trigger {
    color: var(--rd-accent);
  }
  .rd-ai-trigger:hover {
    background: var(--rd-accent-soft);
    color: var(--rd-accent-hover);
  }

  .rd-theme-toggle {
    display: flex;
    align-items: center;
    background: var(--rd-bg-sunken);
    border: 2px solid var(--pop-ink);
    border-radius: 0;
    box-shadow: var(--pop-shadow-sm);
    padding: 2px;
    gap: 0;
  }
  .rd-theme-toggle button {
    width: 26px;
    height: 24px;
    border: 0;
    background: transparent;
    display: grid;
    place-items: center;
    border-radius: 0;
    color: var(--rd-fg-subtle);
    cursor: pointer;
    font-family: inherit;
  }
  .rd-theme-toggle button[aria-pressed="true"] {
    background: var(--rd-bg-raised);
    color: var(--rd-fg);
    box-shadow: var(--rd-shadow-sm);
  }

  /* ---------- Page body ----------
     Uses a grid break-out pattern so children are centered inside a max-width
     content track while specific elements (e.g. the Gantt chart in full-width
     mode) can span the full width of .rd-main. The side tracks act as the
     horizontal padding; never use padding-inline on .rd-page itself or the
     break-out stops lining up. */
  .rd-page {
    --rd-page-pad-x: 28px;
    --rd-page-max-w: 1560px;
    display: grid;
    grid-template-columns:
      [full-start] minmax(var(--rd-page-pad-x), 1fr)
      [content-start] min(100% - var(--rd-page-pad-x) * 2, var(--rd-page-max-w))
      [content-end] minmax(var(--rd-page-pad-x), 1fr) [full-end];
    padding-block: 24px 64px;
    width: 100%;
  }
  .rd-page > * {
    grid-column: content;
    min-width: 0;
  }
  /* Gantt full-width mode: break out to the full .rd-main width instead of
     100vw (the old breakout assumed no sidebar). */
  .rd-page > .gantt-container--full {
    grid-column: full;
    width: auto;
    margin-left: 0;
    margin-right: 0;
  }
  .rd-page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
  }
  .rd-page-title {
    font-size: var(--rd-text-xl);
    font-weight: 600;
    letter-spacing: -0.015em;
    margin: 0;
    line-height: 1.2;
    font-family: var(--rd-font-sans);
  }
  .rd-page-sub {
    color: var(--rd-fg-muted);
    font-size: var(--rd-text-base);
    margin-top: 4px;
  }
  .rd-page-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
  }
  /* Below the sidebar breakpoint give the title side a generous
     flex-basis so the action cluster wraps to a new row before the
     title gets squeezed into a 1-or-2-character-wide column. The
     `min-width: 0` makes sure the title still ellipsizes / wraps inside
     its own container. */
  @media (max-width: 900px) {
    .rd-page-head > :first-child {
      flex: 1 1 100%;
      min-width: 0;
    }
    .rd-page-actions {
      flex: 0 1 auto;
    }
  }

  /* ---------- Flash slot inside shell ---------- */
  .rd-flash-messages {
    padding: 16px 28px 0;
  }
  .rd-flash-messages:empty {
    padding: 0;
  }

  /* Flash messages emitted by controllers use the Rails flash-*-alert/-notice
     markup. Tenant pages render them inside .rd-app; legacy (auth, my/) pages
     use rd-callout directly. These rules style controller-emitted flashes
     inside the shell. */
  .rd-app .flash {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--rd-bg-raised);
    color: var(--rd-fg);
    border: 2px solid var(--pop-ink);
    border-left: 4px solid var(--rd-fg-subtle);
    border-radius: 0;
    box-shadow: var(--pop-shadow-sm);
    font-size: var(--rd-text-base);
    font-weight: 500;
    line-height: 1.4;
    margin: 0 0 12px;
    transition: none;
  }
  .rd-app .flash::before {
    content: none;
  }
  .rd-app .flash:hover {
    transform: none;
  }
  .rd-app .flash-notice {
    background: var(--rd-success-soft);
    border-left-color: var(--rd-success);
  }
  .rd-app .flash-alert {
    background: var(--rd-danger-soft);
    border-left-color: var(--rd-danger);
  }
  .rd-app .flash-warning {
    background: var(--rd-warn-soft);
    border-left-color: var(--rd-warn);
  }
  .rd-app .flash-info {
    background: var(--rd-info-soft);
    border-left-color: var(--rd-info);
  }

  /* ---------- Focus ring ----------
     Inputs, selects, and textareas have their own border-based focus
     indicators, so they're excluded here to avoid a double border. */
  .rd-app :where(button, a):focus-visible {
    outline: 2px solid var(--rd-accent);
    outline-offset: 2px;
  }

  /* ---------- Mobile menu trigger (hidden on desktop) ---------- */
  .rd-menu-btn {
    display: none;
  }

  /* ---------- Mobile backdrop (only shown while drawer is open) ---------- */
  .rd-mobile-backdrop {
    display: none;
  }

  /* ---------- Mobile / narrow-viewport shell ---------- */
  @media (max-width: 900px) {
    /* Single-column shell; sidebar becomes an off-canvas drawer. */
    .rd-app {
      grid-template-columns: 1fr;
    }

    .rd-sidebar {
      position: fixed;
      inset-inline-start: 0;
      top: 0;
      height: 100dvh;
      width: min(280px, 85vw);
      transform: translateX(-100%);
      transition: transform var(--rd-dur) var(--rd-ease);
      z-index: 40;
      box-shadow: 0 10px 30px rgb(0 0 0 / 0.25);
    }
    .rd-app[data-mobile-open="true"] .rd-sidebar {
      transform: translateX(0);
    }

    .rd-app[data-mobile-open="true"] .rd-mobile-backdrop {
      display: block;
      position: fixed;
      inset: 0;
      background: rgb(0 0 0 / 0.4);
      z-index: 30;
      border: 0;
      padding: 0;
      cursor: pointer;
    }

    /* Topbar: show hamburger, shrink the search trigger, tighten paddings. */
    .rd-menu-btn {
      display: grid;
    }
    .rd-topbar {
      padding: 0 12px;
      gap: 8px;
      height: 56px;
    }
    /* Collapse breadcrumb chain to a single line on mobile so the topbar
       stops growing vertically. We hide every segment except the last
       ("rd-here"), and let it ellipsize. The full title is repeated in the
       page H1 below the topbar, so users still know where they are; the
       hamburger and sidebar provide upward navigation. */
    .rd-crumbs {
      font-size: var(--rd-text-sm);
      flex: 1 1 auto;
      min-width: 0;
      flex-wrap: nowrap;
      overflow: hidden;
    }
    .rd-crumbs > *:not(:last-child) {
      display: none;
    }
    .rd-crumbs > .rd-here {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      min-width: 0;
    }
    .rd-search {
      min-width: 0;
      padding: 5px 8px;
      flex: 0 0 auto;
    }
    .rd-search .rd-search-label,
    .rd-search .rd-kbd {
      display: none;
    }

    /* Tighten page padding on phones. */
    .rd-page {
      --rd-page-pad-x: 16px;
      padding-block: 16px 48px;
    }
    .rd-flash-messages {
      padding: 12px 16px 0;
    }
  }

  /* On small phones, the theme toggle is the lowest-priority topbar
     control — drop it to give breadcrumbs and the search trigger more
     room. The OS color scheme is honored automatically. */
  @media (max-width: 560px) {
    .rd-theme-toggle {
      display: none;
    }
  }

  /* Prevent body scroll while the mobile drawer is open. */
  @media (max-width: 900px) {
    html:has(.rd-app[data-mobile-open="true"]),
    body:has(.rd-app[data-mobile-open="true"]) {
      overflow: hidden;
    }
  }
}