/* header.css — shared site header, mega-menu, and footer styling.
 *
 * Design tokens match tool.css:
 *   --tool-accent: #4f46e5   (indigo)
 *   --tool-ink:    #0f172a
 *   --tool-muted:  #6b7280
 * Typography: system-ui stack (same as tool pages).
 * These styles are loaded by standalone tool pages served at /tools/<slug>/.
 */

/* ─── Site Header ──────────────────────────────────────────────────────── */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 56px;
  background: #EEEDED;
  border-bottom: 1px solid #e0dfdf;
  position: sticky;
  top: 0;
  z-index: 200;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.site-header__brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-header__brand a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  color: var(--tool-ink, #0f172a);
}

.site-header__brand img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

/* ─── Navigation ───────────────────────────────────────────────────────── */

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--tool-muted, #6b7280);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  transition: color 120ms ease, background 120ms ease;
}

.nav-link:hover {
  color: var(--tool-ink, #0f172a);
  background: #f3f4f6;
}

.nav-link--active {
  color: var(--tool-ink, #0f172a);
  font-weight: 600;
}

/* GitHub / Discord icon links */
.site-header__icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  color: var(--tool-muted, #6b7280);
  text-decoration: none;
  transition: color 120ms ease, background 120ms ease;
}

.site-header__icon-link:hover {
  color: var(--tool-ink, #0f172a);
  background: #f3f4f6;
}

.site-header__icon-link svg {
  width: 18px;
  height: 18px;
}

/* ─── Mega-menu wrapper ─────────────────────────────────────────────────── */

.mega-menu-wrapper {
  position: relative;
}

/* Trigger button — matches nav-link appearance */
.mega-menu__trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--tool-muted, #6b7280);
  background: transparent;
  border: none;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: color 120ms ease, background 120ms ease;
  line-height: 1.4;
}

.mega-menu__trigger:hover,
.mega-menu__trigger[aria-expanded="true"] {
  color: var(--tool-ink, #0f172a);
  background: #f3f4f6;
}

.mega-menu__trigger svg {
  width: 14px;
  height: 14px;
  transition: transform 200ms ease;
}

.mega-menu__trigger[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

/* ─── Mega-menu panel ───────────────────────────────────────────────────── */

.mega-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 520px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
  padding: 16px;
  display: flex;
  gap: 24px;
  z-index: 300;
}

/* Hide by default; header.js toggles the [hidden] attribute */
.mega-menu[hidden] {
  display: none;
}

/* Two-column layout */
.mega-menu__col {
  flex: 1 1 0;
  min-width: 0;
}

.mega-menu__col--tools {
  flex: 1.4 1 0; /* tools column slightly wider */
}

.mega-menu__col-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tool-muted, #6b7280);
  margin: 0 0 10px;
}

/* ─── Tools search ──────────────────────────────────────────────────────── */

.mega-menu__search-wrap {
  position: relative;
  margin-bottom: 8px;
}

.mega-menu__search-wrap svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--tool-muted, #6b7280);
  pointer-events: none;
}

#explore-search {
  width: 100%;
  padding: 8px 10px 8px 32px;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: #f9fafb;
  color: var(--tool-ink, #0f172a);
  outline: none;
  transition: border-color 120ms ease, background 120ms ease;
  box-sizing: border-box;
}

#explore-search::placeholder {
  color: #9ca3af;
}

#explore-search:focus {
  border-color: var(--tool-accent, #4f46e5);
  background: #fff;
}

/* ─── Results list ──────────────────────────────────────────────────────── */

#explore-results,
.mega-menu__results {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mega-menu__result-link {
  display: block;
  padding: 7px 8px;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: background 120ms ease;
}

.mega-menu__result-link:hover {
  background: #f3f4f6;
}

.mega-menu__result-title {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--tool-ink, #0f172a);
}

.mega-menu__result-desc {
  display: block;
  font-size: 12px;
  color: var(--tool-muted, #6b7280);
  margin-top: 1px;
}

/* ─── Resource links column ─────────────────────────────────────────────── */

.mega-menu__resource-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mega-menu__resource-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--tool-ink, #0f172a);
  transition: background 120ms ease;
}

.mega-menu__resource-link:hover {
  background: #f3f4f6;
}

.mega-menu__resource-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #f3f4f6;
  border-radius: 6px;
  flex-shrink: 0;
  color: var(--tool-ink, #0f172a);
}

.mega-menu__resource-icon svg {
  width: 14px;
  height: 14px;
}

.mega-menu__resource-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.mega-menu__resource-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--tool-ink, #0f172a);
}

.mega-menu__resource-subtitle {
  font-size: 12px;
  color: var(--tool-muted, #6b7280);
}

/* ─── Site Footer ───────────────────────────────────────────────────────── */

.site-footer {
  background: var(--tool-ink, #0f172a);
  color: #94a3b8;
  padding: 32px 20px;
  margin-top: 48px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
}

.site-footer__brand {
  max-width: 720px;
  margin: 0 auto 24px;
}

.site-footer__logo {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

.site-footer__logo:hover {
  color: #e5e7eb;
}

.site-footer__blurb {
  font-size: 13px;
  line-height: 1.6;
  margin: 8px 0 0;
  color: #94a3b8;
}

.site-footer__disclaimer {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  opacity: 0.85;
}

.site-footer__cols {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.site-footer__col {
  flex: 1 1 140px;
}

.site-footer__col-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #e5e7eb;
  margin: 0 0 10px;
}

.site-footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.site-footer__col a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 14px;
  transition: color 120ms ease;
}

.site-footer__col a:hover {
  color: #fff;
}

/* ─── Mobile ─────────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .site-header {
    padding: 0 12px;
  }

  .mega-menu {
    min-width: calc(100vw - 24px);
    right: -12px;
    flex-direction: column;
    gap: 16px;
  }

  .site-footer__cols {
    flex-direction: column;
    gap: 24px;
  }
}