/* App shell: sidebar + main on desktop, top bar + drawer on the phone. */

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px 14px;
  background: var(--sidebar);
  color: var(--sidebar-ink);
  overflow-y: auto;
}
.sidebar__brand { display: flex; align-items: center; gap: 10px; padding: 0 8px; }
.brand-mark { display: block; flex-shrink: 0; }
.sidebar__mark { width: 30px; height: 30px; }
.sidebar__name { font-family: var(--font-display); font-weight: 600; font-size: 16px; color: var(--sidebar-ink-strong); letter-spacing: 0.02em; flex: 1; }
.sidebar__close { display: none; color: var(--sidebar-ink); }
.sidebar__nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar__footer { margin-top: auto; display: flex; flex-direction: column; gap: 8px; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius);
  color: var(--sidebar-ink);
  font-weight: 500;
  font-size: 13.5px;
}
.nav-link:hover { background: var(--sidebar-hover); color: var(--sidebar-ink-strong); text-decoration: none; }
.nav-link--active { background: var(--sidebar-active); color: var(--sidebar-ink-strong); }
.nav-link__icon { opacity: 0.9; }

.sidebar__user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 8px 10px 12px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}
.sidebar__user-text { display: flex; flex-direction: column; min-width: 0; flex: 1; font-size: 12.5px; line-height: 1.3; }
.sidebar__user-text strong { color: var(--sidebar-ink-strong); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-backdrop { display: none; }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar { display: none; }

.page { padding: 24px var(--page-pad) 48px; width: 100%; max-width: 1400px; }

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.page-header__text { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.page-header__actions { display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumbs { display: flex; gap: 8px; font-size: 12.5px; color: var(--muted); }
.breadcrumbs a { color: var(--muted); }
.page-header .subtitle { color: var(--muted); font-size: 14px; }

/* Settings: side list + content */
.settings { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 20px; align-items: start; }
.settings__nav { position: sticky; top: 24px; }

@media (max-width: 900px) {
  :root { --page-pad: 16px; }

  .app { grid-template-columns: 1fr; }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(300px, 86vw);
    z-index: 40;
    transform: translateX(-100%);
    transition: transform 180ms ease;
    box-shadow: var(--shadow-pop);
  }
  .app--nav-open .sidebar { transform: translateX(0); }
  .sidebar__close { display: inline-flex; }

  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 37, 51, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
    z-index: 30;
  }
  .app--nav-open .sidebar-backdrop { opacity: 1; pointer-events: auto; }

  .topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--sidebar);
    color: var(--sidebar-ink-strong);
  }
  .topbar .icon-btn { color: var(--sidebar-ink-strong); }
  .topbar .icon-btn:hover { background: var(--sidebar-hover); }
  .topbar__mark { width: 26px; height: 26px; }
  .topbar__name { font-family: var(--font-display); font-weight: 600; font-size: 16px; flex: 1; }

  .page { padding-top: 16px; }
  .page-header { margin-bottom: 16px; }
  h1 { font-size: 22px; }

  .settings { grid-template-columns: 1fr; }
  .settings__nav { position: static; }
  .settings__nav .subnav { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .settings__nav .subnav__group { display: none; }
  .settings__nav .subnav__link { padding: 7px 12px; background: var(--surface); box-shadow: var(--shadow-card); }
  .settings__nav .subnav__link--active { background: var(--accent-soft); }
}

/* Supplier side: a plain top bar, no sidebar */
body.supplier { display: block; }
.supplier__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 20px; background: var(--sidebar); color: var(--sidebar-ink-strong); }
.supplier__brand { display: flex; align-items: center; gap: 10px; }
.supplier__name { font-family: var(--font-display); font-weight: 600; font-size: 16px; }
.supplier__factory { color: var(--sidebar-ink); padding-left: 12px; border-left: 1px solid rgba(255, 255, 255, 0.2); }
.supplier__user { display: flex; align-items: center; gap: 10px; font-size: 13.5px; }
.supplier__user .icon-btn { color: var(--sidebar-ink-strong); }
.supplier__user .icon-btn:hover { background: var(--sidebar-hover); }
.supplier__page { max-width: 1100px; margin: 0 auto; }
.supplier__nav { display: flex; gap: 4px; margin-left: 12px; }
.supplier__link { color: var(--sidebar-ink); padding: 6px 12px; border-radius: 6px; font-size: 13.5px; font-weight: 500; }
.supplier__link:hover { background: var(--sidebar-hover); color: var(--sidebar-ink-strong); text-decoration: none; }
.supplier__link--active { background: var(--sidebar-active); color: var(--sidebar-ink-strong); }