/* Header styles for Paw Accessories */

.pa-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.pa-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  gap: var(--space-4);
}

/* Brand ----------------------------------------------------------------- */
.pa-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.pa-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
}

.pa-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 30%, #fecaca, var(--color-primary));
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.pa-header__logo-mark i {
  font-size: 1.1rem;
}

.pa-header__logo-text {
  display: flex;
  flex-direction: column;
}

.pa-header__logo-primary {
  font-weight: 700;
  font-size: 1.05rem;
}

.pa-header__logo-tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Navigation ------------------------------------------------------------ */
.pa-header__nav {
  flex: 1 1 auto;
}

.pa-header__nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.pa-header__nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.3rem 0;
  position: relative;
}

.pa-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
  transition: width var(--transition-normal);
}

.pa-header__nav-link:hover::after,
.pa-header__nav-link:focus-visible::after {
  width: 100%;
}

.pa-header__nav-link--primary {
  color: #ffffff;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.pa-header__nav-link--primary::after {
  display: none;
}

.pa-header__nav-link--primary:hover {
  background-color: var(--color-primary-strong);
}

.pa-header__nav-item--highlight {
  margin-left: var(--space-2);
}

/* Actions --------------------------------------------------------------- */
.pa-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.pa-header__action-link {
  font-size: var(--text-sm);
}

.pa-header__icon-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background-color: var(--gray-100);
  color: var(--gray-700);
}

.pa-header__icon-link:hover {
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

.pa-header__icon-link i {
  font-size: 1rem;
}

/* Mobile toggle --------------------------------------------------------- */
.pa-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface);
  color: var(--color-text);
}

.pa-header__toggle-box {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
}

.pa-header__toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* State when menu is open */
.pa-header--menu-open .pa-header__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.pa-header--menu-open .pa-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.pa-header--menu-open .pa-header__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Responsive layout ----------------------------------------------------- */
@media (max-width: 960px) {
  .pa-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .pa-header__toggle {
    display: inline-flex;
  }

  .pa-header__nav {
    position: fixed;
    inset: 56px 0 auto 0;
    background-color: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(10px);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }

  .pa-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    background-color: var(--color-surface);
    margin: 0 auto;
    margin-top: var(--space-2);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    width: min(100% - 2rem, 440px);
  }

  .pa-header__nav-item--highlight {
    margin-left: 0;
    width: 100%;
  }

  .pa-header__nav-link--primary {
    display: inline-flex;
    justify-content: center;
    width: 100%;
  }

  .pa-header__actions {
    gap: var(--space-2);
  }

  .pa-header__action-link {
    display: none;
  }

  /* Open state */
  .pa-header--menu-open .pa-header__nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 640px) {
  .pa-header__logo-tagline {
    display: none;
  }

  .pa-header__inner {
    gap: var(--space-2);
  }

  .pa-header__actions {
    gap: var(--space-1);
  }
}