.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: 0 var(--spacing-lg);
  height: 60px;
  background: var(--grey-900);
  color: var(--grey-100);
  border-bottom: 1px solid var(--grey-800);
}

.nav__brand {
  font-weight: 650;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex: 1;
}

.nav__link {
  position: relative;
  color: var(--grey-400);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--spacing-sm) 0.625rem;
  border-radius: var(--radius-sm);
  transition:
    color var(--transition),
    background var(--transition);
}

.nav__link:hover {
  color: #fff;
  background: var(--grey-800);
}

.nav__link[aria-current='page'] {
  color: #fff;
  background: var(--grey-800);
}

.nav__account {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav__user {
  font-size: var(--font-size-sm);
  color: var(--grey-400);
  white-space: nowrap;
}

.season-picker {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-width: 0;
  font-size: var(--font-size-xs);
  color: var(--grey-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

/* A select won't shrink below its longest option unless told it may — without
   min-width:0 a long season title drags the bar wider than a phone viewport. */
.season-picker select {
  min-width: 0;
  max-width: 15rem;
  min-height: 36px;
  padding: 0 2rem 0 var(--spacing-sm);
  background-color: var(--grey-800);
  border-color: var(--grey-700);
  color: #fff;
  font-size: var(--font-size-sm);
  text-transform: none;
  letter-spacing: normal;
  font-weight: 500;
  /* The native arrow is nearly invisible on a dark control. */
  background-image:
    linear-gradient(45deg, transparent 50%, var(--grey-400) 50%),
    linear-gradient(135deg, var(--grey-400) 50%, transparent 50%);
  background-position:
    calc(100% - 15px) 50%,
    calc(100% - 10px) 50%;
  background-size:
    5px 5px,
    5px 5px;
  background-repeat: no-repeat;
  appearance: none;
}

.season-picker select:hover {
  border-color: var(--grey-600);
}

/* Only exists below the breakpoint. */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
}

.nav__toggle span {
  display: block;
  height: 1.5px;
  background: var(--grey-300);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .nav {
    flex-wrap: wrap;
    height: auto;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .nav__toggle {
    display: flex;
    order: 1;
    margin-left: auto;
  }

  /* The links collapse behind the hamburger; the season picker stays in the bar
     because it is used too often to hide behind a menu. */
  .nav__links {
    display: none;
    order: 4;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-bottom: var(--spacing-sm);
  }

  .nav__links--open {
    display: flex;
  }

  .nav__link {
    padding: 0.75rem var(--spacing-sm);
    border-radius: var(--radius-sm);
  }

  .season-picker {
    order: 2;
    flex-basis: 100%;
    gap: var(--spacing-sm);
  }

  .season-picker select {
    flex: 1;
    min-width: 0;
    max-width: none;
    min-height: 44px;
  }

  .nav .theme-toggle {
    order: 3;
    margin-left: auto;
  }

  .nav__account {
    order: 3;
    flex-basis: 100%;
    justify-content: flex-end;
    padding-bottom: var(--spacing-xs);
  }
}