/* assets/css/header.css */

/* ==========================
   Header shell
   ========================== */

/* Sticky, team-colored header */
.site-header {
  width: 100%;
  padding: 10px 24px;
  border-bottom: 0;

  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.95) 0%,
    var(--accent-primary) 40%,
    var(--accent-secondary) 100%
  );
  position: sticky;
  top: 0;
  z-index: 10;
  flex: 0 0 auto;
}

/* Gradient “border” at the bottom of the header */
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--accent-secondary),
    var(--accent-primary)
  );
  pointer-events: none;
}

.site-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* Brand / logo */
.site-header__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
}

.site-header__logo {
  height: 64px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 6px rgba(0, 0, 0, 0.7));
}

.site-header__title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.9;
  white-space: nowrap;
  color: var(--text-main);
}

/* ==========================
   Primary nav layout
   ========================== */

.site-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
}

/* Nav groups: primary links vs user/actions */
.site-nav__group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-nav__group--primary {
  margin-right: 8px;
}

/* Username pill */
.site-nav__user-pill {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Base nav link pill */
.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text-main);
  opacity: 0.9;
  text-decoration: none;
  transition:
    background-color 0.18s ease-out,
    border-color 0.18s ease-out,
    color 0.18s ease-out,
    transform 0.12s ease-out;
}

/* Default (Threads, Schedule, Account) */
.site-nav__link:hover {
  background: rgba(15, 23, 42, 0.85);
  border-color: var(--border-subtle);
  transform: translateY(-1px);
  color: var(--text-main);
}

/* Primary action (New Thread / Register) */
.site-nav__link--primary {
  background: var(--accent-primary-soft);
  font-weight: 600;
}

.site-nav__link--primary:hover {
  background: var(--accent-primary);
}

/* Ghost action (Logout / Login) */
.site-nav__link--ghost:hover {
  background: var(--accent-primary-soft);
}

/* ==========================
   Hamburger toggle
   ========================== */

.site-nav-toggle {
  background: transparent;
  border: none;
  padding: 4px;
  cursor: pointer;

  display: none;
  align-items: center;
  justify-content: center;

  width: 38px;
  height: 32px;
}

.site-nav-toggle__bar {
  display: block;
  width: 32px;
  height: 4px;
  margin: 6px 0;
  background: var(--text-main);
  border-radius: 1px;
}

/* ==========================
   Dropdown base styles
   (used for Threads + Data)
   ========================== */

.site-nav__item {
  position: relative;
}

.site-nav__item--dropdown {
  display: inline-flex;
  align-items: center;
}

.site-nav__link--dropdown {
  padding-right: 20px; /* room for caret */
}

.site-nav__caret {
  margin-left: 6px;
  font-size: 0.7rem;
  opacity: 0.8;
}

/* Dropdown menu (desktop + base) */
.site-nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  min-width: 160px;
  padding: 6px 0;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background:
    radial-gradient(circle at 0% 0%,
      rgba(255, 255, 255, 0.03),
      transparent 55%
    ),
    color-mix(in srgb,
      var(--accent-primary-soft) 24%,
      #020617
    );
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.75);
  display: none;
  z-index: 30;
}

.site-nav__dropdown-link {
  display: block;
  padding: 6px 14px;
  font-size: 0.86rem;
  color: var(--text-main);
  text-decoration: none;
  white-space: nowrap;
  opacity: 0.9;
}

.site-nav__dropdown-link:hover {
  background: var(--accent-primary-soft);
  color: var(--text-main);
  opacity: 1;
}

/* Active item in dropdowns (Threads NHL/NCAA) */
.site-nav__dropdown-link--active {
  font-weight: 600;
  opacity: 1;
}

/* Show dropdown only when JS toggles .site-nav__item--open */
.site-nav__item--open > .site-nav__dropdown {
  display: block;
}

/* ==========================
   Mobile header / nav
   ========================== */

@media (max-width: 700px) {
  .site-header {
    padding: 8px 12px;
  }

  .site-header__inner {
    max-width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
  }

  .site-header__brand {
    flex: 0 0 auto;
    width: auto;
    justify-content: flex-start;
  }

  /* Smaller logo on mobile */
  .site-header__logo {
    height: 52px;
  }

  .site-header__title {
    display: none;
  }

  .site-nav-toggle {
    display: block;
    margin-left: auto;
  }

  /* ==========================
     MOBILE NAV LAYOUT
     Two vertical columns
     - Left: user/account
     - Right: Threads/Data/New Thread
     ========================== */

  .site-nav {
    flex-basis: 100%;
    width: 100%;
    margin-top: 6px;
    display: none; /* hidden until burger toggles it */
    align-items: flex-start;
    gap: 16px;
    font-size: 0.85rem;
  }

  .site-nav.site-nav--open {
    display:grid;
    grid-template-columns: 1fr 1fr;
  }

  /* Each group becomes a vertical column */
  .site-nav__group {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  /* Ensure left column = user/account, right column = Threads/Data/New Thread */
  .site-nav__group--user {
    order: 1;
  }

  .site-nav__group--primary {
    order: 2;
  }

  .site-nav__link,
  .site-nav__user-pill {
    padding: 4px 10px;
  }

  /* Mobile dropdown behaves like an accordion inside the right column */
  .site-nav__item--dropdown {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav__link--dropdown {
    width: 100%;
    justify-content: space-between;
  }

  .site-nav__dropdown {
    position: static;
    margin-top: 2px;
    min-width: 0;
    padding: 2px 0 0 12px;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    display: none; /* hidden by default on mobile */
  }

  .site-nav__item--open > .site-nav__dropdown {
    display: block;
  }

  .site-nav__dropdown-link {
    padding: 2px 0;
    font-size: 0.82rem;
  }
}