/* ============================================
   Romance Drop — Navigation
   Header, logo, nav links, mobile menu.
   Requires: base.css
   ============================================ */

.header {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border);
  background: var(--card-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ---- Logo ---- */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--charcoal);
  text-decoration: none;
}

.logo:hover {
  color: var(--charcoal);
}

.logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

/* ---- Nav Links ---- */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav a {
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--ease-default);
  text-decoration: none;
}

.nav a:hover,
.nav a.active {
  color: var(--rose);
}

/* ---- Search (inline nav search) ---- */
.nav-search {
  position: relative;
}

.nav-search__input {
  width: 200px;
  padding: 0.5rem 0.75rem 0.5rem 2.2rem;
  font-size: var(--text-sm);
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--cream);
  color: var(--charcoal);
  outline: none;
  transition: border-color var(--ease-default), width 0.2s ease;
}

.nav-search__input:focus {
  border-color: var(--rose);
  width: 280px;
}

.nav-search__input::placeholder {
  color: var(--muted-light);
}

.nav-search__icon {
  position: absolute;
  left: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--muted-light);
  pointer-events: none;
}

/* ---- Mobile Menu Toggle ---- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--charcoal);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 640px) {
  .nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: var(--space-4) var(--gutter);
    gap: var(--space-4);
    box-shadow: var(--shadow-md);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    font-size: var(--text-base);
    padding: var(--space-2) 0;
  }

  .nav-toggle {
    display: block;
  }

  .nav-search__input {
    width: 100%;
  }

  .nav-search__input:focus {
    width: 100%;
  }
}