/*
 * togo-account-subnav.css
 * ───────────────────────────────────────────────────────────
 * Shared sub-navigation for the customer portal (account.html,
 * account-orders.html, wishlist.html, account-batches.html,
 * account-addresses.html, account-loyalty.html,
 * account-notifications.html, account-settings.html, …).
 *
 * Rendered by /assets/js/togo-account-subnav.js into every
 *   <nav class="account-subnav" data-account-subnav></nav>
 * mount point.
 *
 * Mobile-first, scrollable strip with snap. Real --color-*
 * tokens only.
 */

.account-subnav {
  position: sticky;
  top: var(--header-height-mobile, 56px);
  z-index: 30;
  margin: 0 0 var(--space-4);
  padding: 0;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--color-border);
  /* Avoid horizontal jitter while children scroll */
  overflow: hidden;
}

@media (min-width: 900px) {
  .account-subnav {
    top: var(--header-height, 64px);
  }
}

.account-subnav__inner {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 2px;
  width: 100%;
  box-sizing: border-box;
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 6px var(--container-pad, 16px);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  scroll-behavior: smooth;
  scrollbar-width: none;        /* Firefox */
  -ms-overflow-style: none;     /* IE/Edge */
  -webkit-overflow-scrolling: touch;
}
.account-subnav__inner::-webkit-scrollbar { display: none; }

.account-subnav__tab {
  position: relative;
  flex: 0 0 auto;
  scroll-snap-align: center;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-body, inherit);
  font-size: var(--text-sm, 14px);
  font-weight: var(--weight-medium, 500);
  letter-spacing: 0;
  text-decoration: none;
  white-space: nowrap;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease;
}

.account-subnav__tab::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -1px;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: transparent;
  transition: background-color 160ms ease;
}

.account-subnav__tab:hover,
.account-subnav__tab:focus-visible {
  color: var(--color-text);
  background: color-mix(in srgb, var(--color-surface) 60%, transparent);
  outline: none;
}

.account-subnav__tab:focus-visible {
  box-shadow: 0 0 0 2px var(--color-accent-hover, var(--color-accent));
}

.account-subnav__tab[aria-current="page"] {
  color: var(--color-text);
  font-weight: var(--weight-semibold, 600);
}

.account-subnav__tab[aria-current="page"]::after {
  background: var(--color-accent);
}

.account-subnav__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  color: currentColor;
  opacity: 0.85;
  flex: 0 0 16px;
}
.account-subnav__icon svg {
  width: 100%;
  height: 100%;
}

.account-subnav__tab[aria-current="page"] .account-subnav__icon {
  opacity: 1;
  color: var(--color-accent);
}

.account-subnav__label {
  display: inline-block;
}

/* Red-dot badge for unread notifications */
.account-subnav__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  margin-left: 2px;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  font-weight: var(--weight-semibold, 700);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 0 0 2px var(--color-bg);
}

.account-subnav__badge[data-count="0"],
.account-subnav__badge:empty { display: none; }

/* Optional skeleton state while JS boots */
.account-subnav:not(.is-ready) .account-subnav__inner {
  min-height: 44px;
}

/* ── Tablet / narrow desktop ──────────────────────────── */
@media (min-width: 640px) and (max-width: 1099px) {
  .account-subnav {
    position: relative;
    top: auto;
    max-width: 100%;
    overflow: visible;
  }
  .account-subnav__inner {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    max-width: 100%;
    padding: 8px var(--container-pad, 16px);
    overflow: visible;
    scroll-snap-type: none;
  }
  .account-subnav__tab {
    min-width: 0;
    min-height: 44px;
    justify-content: center;
    padding: 10px 8px;
    font-size: 13.5px;
    border-radius: 10px;
    text-align: center;
  }
  .account-subnav__icon { width: 15px; height: 15px; flex-basis: 15px; }
  .account-subnav__label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* ── Desktop ─────────────────────────────────────────── */
@media (min-width: 1100px) {
  .account-subnav {
    border-radius: 12px;
    border: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin: 0 auto var(--space-5);
    background: var(--color-surface);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .account-subnav__inner {
    overflow-x: auto;       /* scroll if there are many tabs and the viewport is narrow */
    padding: 4px 8px;
    gap: 4px;
  }
  .account-subnav__tab {
    padding: 11px 16px;
    font-size: 14px;
    border-radius: 8px;
  }
  .account-subnav__tab::after {
    left: 14px;
    right: 14px;
    bottom: 2px;
  }
}

/* Wide desktop — give tabs more room, near-equal width */
@media (min-width: 1100px) {
  .account-subnav__inner {
    justify-content: space-between;
  }
  .account-subnav__tab {
    flex: 1 1 0;
    justify-content: center;
  }
}

/* Light theme tweaks */
:root[data-theme="light"] .account-subnav {
  background: color-mix(in srgb, var(--color-bg) 95%, transparent);
}

/* Don't overlap bottom-nav on mobile (Agent D's nav) */
@media (max-width: 599px) {
  .account-subnav {
    position: relative;
    top: auto;
    z-index: 1;
    max-width: 100%;
    overflow: hidden;
  }
  .account-subnav__inner {
    display: flex;
    flex-wrap: nowrap;
    gap: 4px;
    max-width: 100%;
    padding: 6px max(12px, env(safe-area-inset-right)) 7px max(12px, env(safe-area-inset-left));
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x proximity;
  }
  .account-subnav__tab {
    flex: 0 0 auto;
    min-width: max-content;
    min-height: 42px;
    justify-content: center;
    flex-direction: row;
    gap: 6px;
    padding: 8px 11px;
    border-radius: 999px;
    text-align: center;
    background: color-mix(in srgb, var(--color-surface) 42%, transparent);
    border: 1px solid color-mix(in srgb, var(--color-border) 72%, transparent);
  }
  .account-subnav__tab::after {
    left: 14px;
    right: 14px;
    bottom: 4px;
  }
  .account-subnav__icon {
    width: 15px;
    height: 15px;
    flex-basis: 15px;
  }
  .account-subnav__label {
    max-width: 100%;
    overflow: visible;
    text-overflow: clip;
    font-size: 12px;
    line-height: 1.15;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .account-subnav__inner { scroll-behavior: auto; }
  .account-subnav__tab,
  .account-subnav__tab::after { transition: none; }
}