/* Header styles for KidsRoomPL */

.kr-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.92) 100%);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-gray-100);
}

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

/* Brand */

.kr-header__brand {
  display: flex;
  align-items: center;
}

.kr-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-rounded);
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.kr-header__logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 40% 55% 45% 60%;
  background: radial-gradient(circle at 20% 20%, var(--color-accent-yellow), var(--color-primary));
  box-shadow: var(--shadow-sm);
  position: relative;
}

.kr-header__logo-mark::before,
.kr-header__logo-mark::after {
  content: "";
  position: absolute;
  background-color: #fff;
  border-radius: 999px;
}

.kr-header__logo-mark::before {
  width: 14px;
  height: 14px;
  top: 9px;
  left: 8px;
}

.kr-header__logo-mark::after {
  width: 10px;
  height: 10px;
  bottom: 7px;
  right: 10px;
}

.kr-header__logo-text {
  letter-spacing: 0.03em;
}

/* Nav */

.kr-header__nav {
  flex: 1 1 auto;
}

.kr-header__nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: 0;
}

.kr-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.6rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: var(--radius-pill);
}

.kr-header__nav-link::after {
  content: "";
  position: absolute;
  left: 16%;
  right: 16%;
  bottom: 0.2rem;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-pink));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-normal);
}

.kr-header__nav-link:hover,
.kr-header__nav-link:focus-visible {
  color: var(--color-text);
  background-color: var(--color-primary-soft);
}

.kr-header__nav-link:hover::after,
.kr-header__nav-link:focus-visible::after {
  transform: scaleX(1);
}

.kr-header__nav-link--cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-pink) 100%);
  color: #fff;
  padding-inline: 1rem;
  box-shadow: var(--shadow-sm);
}

.kr-header__nav-link--cta::after {
  display: none;
}

.kr-header__nav-link--cta:hover,
.kr-header__nav-link--cta:focus-visible {
  background: linear-gradient(135deg, var(--color-primary-strong) 0%, var(--color-accent-pink) 100%);
}

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

/* Actions */

.kr-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.kr-header__icon-button {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  background-color: var(--color-gray-50);
  box-shadow: var(--shadow-xs);
}

.kr-header__icon-button:hover,
.kr-header__icon-button:focus-visible {
  color: var(--color-text);
  background-color: var(--color-primary-soft);
}

/* Mobile toggle */

.kr-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background-color: var(--color-surface-soft);
  box-shadow: var(--shadow-xs);
}

.kr-header__toggle-box {
  position: relative;
  width: 20px;
  height: 16px;
}

.kr-header__toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal), top var(--transition-normal), bottom var(--transition-normal);
}

.kr-header__toggle-line--top {
  top: 0;
}

.kr-header__toggle-line--middle {
  top: 50%;
  transform: translateY(-50%);
}

.kr-header__toggle-line--bottom {
  bottom: 0;
}

/* Open state */

.kr-header--menu-open .kr-header__toggle-line--top {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.kr-header--menu-open .kr-header__toggle-line--middle {
  opacity: 0;
}

.kr-header--menu-open .kr-header__toggle-line--bottom {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* Responsive layout */

@media (max-width: 767px) {
  .kr-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .kr-header__toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .kr-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-gray-100);
    box-shadow: var(--shadow-sm);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition: max-height var(--transition-slow), opacity var(--transition-normal), transform var(--transition-normal);
  }

  .kr-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3) var(--space-4) var(--space-4);
  }

  .kr-header__nav-link,
  .kr-header__nav-link--cta {
    width: 100%;
    justify-content: flex-start;
  }

  .kr-header__nav-link::after {
    display: none;
  }

  .kr-header--menu-open .kr-header__nav {
    max-height: 400px;
    opacity: 1;
    transform: translateY(0);
  }

  .kr-header__nav-item--highlight {
    margin-left: 0;
  }
}

@media (max-width: 480px) {
  .kr-header__logo-text {
    font-size: var(--font-size-md);
  }

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

  .kr-header__icon-button {
    width: 30px;
    height: 30px;
  }
}

@media (min-width: 768px) {
  .kr-header__nav {
    display: block !important;
    max-height: none !important;
    opacity: 1 !important;
    transform: none !important;
    position: static;
    background: transparent;
    box-shadow: none;
    border-bottom: none;
  }
}