/* ==========================================================================
   MTC Tennis — Navigation Styles
   Phase 2B: Visual polish using design system tokens.
   Supplements styles.css navbar rules with refined design-system values.
   ========================================================================== */

/* ── Navbar Base ──────────────────────────────────────────────────────── */
.navbar {
  background-color: var(--color-white, #ffffff) !important;
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: var(--z-navbar, 1000);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid var(--color-border, #e5e7eb);
}

/* ── Logo ─────────────────────────────────────────────────────────────── */
.nav-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.nav-logo-secondary {
  height: 38px;
  width: auto;
  margin-left: 14px;
  object-fit: contain;
}

/* ── Nav Links ────────────────────────────────────────────────────────── */
.navbar-light .navbar-nav .nav-link {
  color: var(--color-primary, #0f3057);
  font-weight: var(--font-medium, 500);
  font-size: 0.9rem;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm, 4px);
  transition: color var(--transition-base, 0.2s ease),
              background-color var(--transition-base, 0.2s ease);
  letter-spacing: 0.01em;
}

.navbar-light .navbar-nav .nav-link:hover {
  color: var(--color-accent, #00a8cc);
  background-color: rgba(0, 168, 204, 0.06);
}

.navbar-light .navbar-nav .nav-link:focus-visible {
  outline: 2px solid var(--color-accent, #00a8cc);
  outline-offset: 2px;
}

.navbar-light .navbar-nav .nav-link.active {
  color: var(--color-accent, #00a8cc);
  font-weight: var(--font-medium, 500);
}

/* ── Register Button ──────────────────────────────────────────────────── */
.nav-register .nav-link {
  background-color: var(--color-accent, #00a8cc) !important;
  color: var(--color-white, #ffffff) !important;
  margin-left: 0.75rem;
  border-radius: var(--radius-md, 8px);
  padding: 0.5rem 1.25rem !important;
  font-weight: var(--font-semibold, 600);
  font-size: 0.9rem;
  transition: background-color var(--transition-base, 0.2s ease),
              transform 0.1s ease;
  letter-spacing: 0.01em;
}

.nav-register .nav-link:hover {
  background-color: var(--color-accent-hover, #0095b6) !important;
  color: var(--color-white, #ffffff) !important;
  transform: translateY(-1px);
}

.nav-register .nav-link:active {
  transform: translateY(0);
}

/* ── Mobile ───────────────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .navbar {
    padding: 0.625rem 0;
  }

  .navbar-brand {
    flex-wrap: nowrap;
    max-width: 65%;
  }

  .nav-logo {
    height: 32px;
  }

  .nav-logo-secondary {
    height: 32px;
    margin-left: 10px;
  }

  .navbar-light .navbar-nav .nav-link {
    padding: 0.625rem 0;
    font-size: 0.95rem;
  }

  .nav-register .nav-link {
    margin-left: 0;
    margin-top: 0.5rem;
    display: inline-block;
    text-align: center;
  }
}