/*
 * App shell: sidebar (desktop), top bar, bottom tab bar (mobile), page grid.
 * Breakpoint 992px: below it the cabinet behaves like a phone app.
 */
@layer layout {
  .app {
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    min-height: 100dvh;

    @media (max-width: 991.98px) {
      grid-template-columns: minmax(0, 1fr);
      padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
    }
  }

  /* ---------- Sidebar ---------- */
  .side {
    position: sticky;
    top: 0;
    height: 100dvh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px 16px;
    background: var(--surface);
    border-right: 1px solid var(--border);

    @media (max-width: 991.98px) { display: none; }
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 8px;
    font-weight: 700;
    font-size: 19px;
    letter-spacing: -.01em;
    color: var(--text);
    &:hover { text-decoration: none; }
  }
  .brand-mark {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--btn-bg);
    color: var(--btn-fg);
    display: grid;
    place-items: center;
    font-size: 16px;
    font-weight: 800;
    flex: none;
  }

  .nav-group { display: flex; flex-direction: column; gap: 2px; }
  .nav-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--subtle);
    padding: 0 12px 6px;
  }
  .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 40px;
    padding: 0 12px;
    border-radius: 10px;
    color: var(--muted);
    font-weight: 500;

    &:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
    &[aria-current="page"] { background: var(--primary-soft); color: var(--text); }
    &[aria-current="page"] > .ico { color: var(--primary); }
    & .badge { margin-left: auto; }
  }
  .side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 2px; }
  .side-contacts { padding: 12px 12px 0; display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
  .side-contacts a { color: var(--muted); }

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

  .topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    min-height: var(--topbar-h);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 var(--page-pad);
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);

    @media (max-width: 991.98px) {
      background: var(--surface);
      backdrop-filter: none;
      gap: 4px;
      padding-inline: 8px 12px;
    }
  }
  .topbar-title { flex: 1; min-width: 0; display: flex; align-items: center; gap: 8px; }
  .topbar-title:first-child { @media (max-width: 991.98px) { padding-left: 8px; } }
  .topbar-title h1 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    @media (max-width: 991.98px) { font-size: 18px; }
  }
  .topbar-brand {
    display: none;
    @media (max-width: 991.98px) { display: flex; padding-left: 8px; font-size: 17px; }
  }
  .topbar-actions { display: flex; align-items: center; gap: 8px; }

  .content {
    width: 100%;
    max-width: 1320px;
    padding: 28px var(--page-pad) 40px;
    @media (max-width: 991.98px) { padding-top: 16px; padding-bottom: 24px; }
  }

  /* 12-column page grid; everything stacks on mobile */
  .grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gap);
    align-items: stretch;

    & > * { grid-column: 1 / -1; }
    @media (min-width: 992px) {
      & > .span-3 { grid-column: span 3; }
      & > .span-4 { grid-column: span 4; }
      & > .span-5 { grid-column: span 5; }
      & > .span-6 { grid-column: span 6; }
      & > .span-7 { grid-column: span 7; }
      & > .span-8 { grid-column: span 8; }
    }
    @media (min-width: 640px) and (max-width: 991.98px) {
      & > .md-span-6 { grid-column: span 6; }
    }
  }

  /* ---------- Bottom tab bar (mobile) ---------- */
  .tabbar {
    display: none;

    @media (max-width: 991.98px) {
      position: fixed;
      inset: auto 0 0 0;
      z-index: 30;
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      height: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
      padding: 6px 4px env(safe-area-inset-bottom);
      background: var(--surface);
      border-top: 1px solid var(--border);
    }
  }
  .tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: 11px;
    font-weight: 500;
    color: var(--subtle);
    border-radius: 12px;

    &:hover { text-decoration: none; color: var(--text); }
    & .pill { width: 52px; height: 28px; border-radius: 999px; display: grid; place-items: center; }
    &[aria-current="page"] { color: var(--primary); }
    &[aria-current="page"] .pill { background: var(--primary-soft); }
  }
}

/* ---------- Auth pages (login, sign-up, password reset, OAuth consent) ---------- */
@layer layout {
  .auth { min-height: 100dvh; display: flex; flex-direction: column; }
  .auth-top { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; }
  .auth-main { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; padding: 16px; }
  .auth-card { width: min(420px, 100%); padding: 28px; display: flex; flex-direction: column; gap: 18px;
    & h1 { font-size: 22px; }
    @media (max-width: 575.98px) { padding: 20px; border-radius: 20px; } }
  .auth-link { align-self: center; font-size: 13px; font-weight: 600; }
  .auth-alt { color: var(--muted); font-size: 14px; & a { font-weight: 600; } }
  .auth-foot { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 16px; padding: 16px; font-size: 12px; color: var(--subtle); & a { color: var(--subtle); } }
}

@layer components {
  .password-wrap { position: relative; display: block; }
  .password-wrap input { padding-right: 48px !important; }
  .password-toggle { position: absolute; top: 50%; right: 4px; transform: translateY(-50%); width: 40px; height: 40px; border: 0; background: none; color: var(--muted); border-radius: 8px; display: grid; place-items: center; }
}