/* ===========================================================
   TOPNAV LAYOUT — Mz 2026-05-28 v2 spec
   Layout: [☰ + Logo] left · [Login Register] right
   Header: 56px (mobile) / 60px (desktop); padding 12px L/R
   Logo: 36px mobile / 40px desktop, width auto
   =========================================================== */

header.top-nav,
.top-nav {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  padding: 0 8px 0 4px !important;  /* hamburger 紧贴左侧 4px gap */
  gap: 10px !important;
  min-height: 60px !important;
  overflow: visible !important;
}

/* ── LEFT GROUP: Hamburger + Logo together ───────────────── */
.top-nav .hamburger,
.top-nav #btn-open-drawer {
  flex: 0 0 auto !important;
  margin: 0 !important;
  width: 40px !important;
  height: 40px !important;
  display: grid !important;
  place-items: center !important;
}

/* Brand sits right next to hamburger — no longer takes center space */
.top-nav .brand-wrap {
  flex: 0 0 auto !important;
  display: flex !important;
  align-items: center !important;
  margin-left: 8px !important;
  margin-right: auto !important;    /* pushes auth group to the right */
  min-width: 0 !important;
  overflow: hidden !important;
}
/* Logo — clamp() auto-scales 28→40px based on viewport (Mz 2026-05-28 spec).
   CMS LOGO_SIZE_APPLY_V1 patch can override via higher specificity rules. */
.top-nav .brand-wrap .brand-logo {
  height: clamp(28px, 4vw, 40px) !important;
  max-height: 40px !important;
  max-width: clamp(120px, 22vw, 220px) !important;
  width: auto !important;
  min-width: 0 !important;
  object-fit: contain !important;
  flex: 0 0 auto !important;
  display: block !important;
}

/* Desktop-only inline links (Home/Promotion/...) center between brand and auth */
@media (min-width: 768px) {
  .top-nav .top-nav-extra {
    display: flex !important;
    flex: 0 1 auto !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 18px !important;
  }
  .top-nav .top-nav-extra a {
    color: inherit !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    white-space: nowrap !important;
    padding: 6px 4px !important;
  }
  .top-nav .top-nav-extra a.active,
  .top-nav .top-nav-extra a:hover {
    color: var(--accent, #F5A623) !important;
  }
}
@media (max-width: 767px) {
  .top-nav .top-nav-extra { display: none !important; }
}

/* ── RIGHT GROUP: Auth buttons ───────────────────────────── */
.top-nav > .flex.items-center.gap-2 {
  flex: 0 0 auto !important;
  flex-shrink: 0 !important;
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  white-space: nowrap !important;
}
.top-nav #topnav-auth-out:not(.hidden),
.top-nav #topnav-auth-in:not(.hidden) {
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  flex-shrink: 0 !important;
  white-space: nowrap !important;
}
.top-nav #topnav-auth-out.hidden,
.top-nav #topnav-auth-in.hidden { display: none !important; }

/* Login / Register buttons — flexible width */
.top-nav .topnav-btn-login,
.top-nav .topnav-btn-register {
  flex: 0 0 auto !important;
  flex-shrink: 0 !important;
  min-width: auto !important;
  width: auto !important;
  max-width: none !important;
  padding: 6px 12px !important;
  white-space: nowrap !important;
  font-size: 13px !important;
  line-height: 1.2 !important;
}

/* ── Mobile (≤480px): slightly tighter ─────────────────── */
@media (max-width: 480px) {
  header.top-nav,
  .top-nav {
    padding: 0 12px !important;
    gap: 8px !important;
    min-height: 56px !important;
  }
  .top-nav .hamburger,
  .top-nav #btn-open-drawer {
    width: 36px !important;
    height: 36px !important;
  }
  /* Logo height managed by base clamp() — no fixed override needed */
  .top-nav .topnav-btn-login,
  .top-nav .topnav-btn-register {
    padding: 5px 10px !important;
    font-size: 12px !important;
  }
}

/* ── Tiny phones (≤360px) — only tighten button padding ──── */
@media (max-width: 360px) {
  .top-nav .topnav-btn-login,
  .top-nav .topnav-btn-register {
    padding: 4px 8px !important;
    font-size: 11px !important;
  }
}

/* ── Auth button images & topnav links: clamp scaling (Mz 2026-05-28) ── */
.top-nav .topnav-btn-login img.sc-auth-img,
.top-nav .topnav-btn-register img.sc-auth-img {
  height: clamp(22px, 3.5vw, 36px) !important;
  width: auto !important;
  max-width: clamp(70px, 14vw, 140px) !important;
  object-fit: contain !important;
  display: block !important;
}

@media (min-width: 768px) {
  .top-nav .top-nav-extra {
    gap: clamp(8px, 2vw, 24px) !important;
  }
}