/*
 * nav.css — Navigation bar
 *
 * WHITE background — matches APRIL Sustainability Dashboard.
 * Logo is dark so it reads on white. Text and controls are dark navy.
 */

/* ── Container ────────────────────────────────────────────────── */

#nav {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border-light);
}

.nav__inner {
  display: flex;
  align-items: center;
  height: var(--nav-height);
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  gap: var(--space-lg);
}

/* ── Logo ─────────────────────────────────────────────────────── */

.nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  opacity: 1;
  transition: opacity var(--transition-fast);
}

.nav__logo:hover {
  opacity: 0.75;
}

.nav__logo img {
  height: 40px;
  width: auto;
}

/* ── Search ───────────────────────────────────────────────────── */

.nav__search {
  flex: 1;
  display: flex;
  align-items: center;
  max-width: 480px;
  margin: 0 auto;
  background-color: var(--color-bg-grey);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-pill);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.nav__search:focus-within {
  border-color: var(--color-navy);
}

.nav__search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-dark);
}

.nav__search-input::placeholder {
  color: var(--color-text-light);
}

.nav__search-input::-webkit-search-cancel-button {
  display: none;
}

.nav__search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text-mid);
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.nav__search-btn:hover {
  color: var(--color-text-dark);
}

/* ── Grievance Button ─────────────────────────────────────────── */

.nav__grievance {
  flex-shrink: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
  color: var(--color-text-dark);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast),
              border-color var(--transition-fast),
              background-color var(--transition-fast);
  white-space: nowrap;
}

.nav__grievance:hover {
  color: var(--color-navy);
  border-color: var(--color-navy);
  background-color: var(--color-bg-grey);
}