/* Navbar Component Style — Document 6 Token-Only নিয়ম মেনে */

.navbar {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar__brand {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
}

/* Mobile: hidden menu, hamburger visible */
.navbar__toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}
.navbar__toggle-bar {
  width: 22px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: var(--radius-sm);
}

.navbar__menu {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  flex-direction: column;
  padding: var(--space-md);
  gap: var(--space-md);
}
.navbar__menu.is-open { display: flex; }

.navbar__link {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  padding: var(--space-sm) 0;
}
.navbar__link:hover { color: var(--color-primary); }

.navbar__theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  width: 36px;
  height: 36px;
  cursor: pointer;
  font-size: var(--font-size-md);
}

/* Desktop breakpoint (min-width: 768px) — Document 6 অনুচ্ছেদ ৭ */
@media (min-width: 768px) {
  .navbar__toggle { display: none; }
  .navbar__menu {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    border-bottom: none;
    padding: 0;
    gap: var(--space-lg);
    width: auto;
  }
}