/* =========================
   CSS VARIABLES
   ========================= */

:root {
  --page-bg: #fafafa; /* subtle off-white */
  --bg: #ffffff;
  --fg: #0f172a;
  --body-fg: #334155;
  --muted: #64748b;
  --border: #e5e7eb;
  --link: #2563eb;
  --hover: #f1f5f9; /* subtle light hover */
  --calendar-event-bg: #eff6ff;
  --calendar-event-border: #bfdbfe;
  --calendar-event-fg: #1e3a8a;
}

.dark {
  --page-bg: #020617;
  --bg: #020617; /* near-black */
  --fg: #e5e7eb; /* gray-200 */
  --body-fg: #cbd5e1; /* slate-300 */
  --muted: #94a3b8; /* slate-400 */
  --border: #1e293b; /* slate-800 */
  --header-bg: linear-gradient(to right, #020617, #020617);
  --link: #60a5fa;
  --hover: #0f172a; /* subtle dark hover */
  --calendar-event-bg: #172554;
  --calendar-event-border: #1d4ed8;
  --calendar-event-fg: #dbeafe;
}

/* =========================
   BASE
   ========================= */

html,
body {
  margin: 0;
  padding: 0;
  background: var(--page-bg);
}

body {
  background: var(--page-bg);
  color: var(--fg);
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Inter",
    sans-serif;
  line-height: 1.6;
}

/* =========================
   TYPOGRAPHY
   ========================= */

h1,
h2,
h3 {
  color: var(--fg);
  letter-spacing: -0.02em;
}

p {
  color: var(--fg);
}

.text-muted {
  color: var(--muted);
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* =========================
   HEADER
   ========================= */

.site-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  position: relative;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.1rem;
}

.site-logo {
  width: 36px;
  height: 36px;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, #334155, #0f172a);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0.375rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg);
  color: var(--fg);
  cursor: pointer;
}

.menu-toggle-line {
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

/* =========================
   CONTENT
   ========================= */

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

section {
  margin-bottom: 3rem;
}

.subtitle {
  font-style: italic;
  color: var(--muted);
}

.broadcast-body {
  color: var(--body-fg);
  line-height: 1.65;
}

.broadcast-body p {
  margin-bottom: 1.5rem;
}

.broadcast-body li {
  margin-bottom: 0.5rem;
}

/* Document shell */
.page-shell {
  max-width: 64rem; /* same as max-w-5xl */
  margin: 0 auto;
  padding: 0 1.5rem;
  background: var(--page-bg);
}

/* Main content spacing */
.page-main {
  padding: 4rem 0;
}

/* =========================
   FOOTER
   ========================= */

footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.775rem;
}

.footer-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: end;
  gap: 0.75rem;
}

.footer-left {
  justify-self: start;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-center {
  justify-self: center;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: end;
}

.footer-address {
  margin-bottom: 0.15rem;
  font-size: 0.75rem;
}

.footer-right {
  justify-self: end;
}

.footer-tagline {
  line-height: 1.25;
}

.footer-directory-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem 0.7rem;
  border: 1px solid #c7d2fe;
  border-radius: 999px;
  background: #e6eafe;
  color: #3340a7;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}

.footer-directory-pill:hover {
  background: #dde4ff;
  text-decoration: none;
}

.dark .footer-directory-pill {
  border-color: #1d4ed8;
  background: #172554;
  color: #dbeafe;
}

.calendar-event-wrap {
  position: relative;
}

.calendar-event-pill {
  display: block;
  border: 1px solid var(--calendar-event-border);
  background: var(--calendar-event-bg);
  color: var(--calendar-event-fg);
  border-radius: 0.375rem;
  padding: 0.5rem 0.6rem;
  font-size: 0.75rem;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calendar-event-pill:hover {
  text-decoration: underline;
}

.calendar-event-tooltip {
  position: absolute;
  left: 0;
  top: calc(100% + 0.35rem);
  z-index: 20;
  width: 240px;
  border: 1px solid var(--calendar-event-border);
  border-radius: 0.5rem;
  background: var(--calendar-event-bg);
  color: var(--calendar-event-fg);
  padding: 0.55rem 0.6rem;
  box-shadow: 0 10px 24px rgba(2, 6, 23, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-2px);
  transition:
    opacity 120ms ease,
    transform 120ms ease,
    visibility 120ms ease;
}

.calendar-event-wrap:hover .calendar-event-tooltip,
.calendar-event-wrap:focus-within .calendar-event-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.calendar-event-tooltip-title {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--calendar-event-fg);
  line-height: 1.25;
}

.calendar-event-tooltip-text {
  margin: 0.3rem 0 0;
  color: var(--calendar-event-fg);
  opacity: 0.9;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.calendar-event-tooltip-meta {
  margin: 0.25rem 0 0;
  color: var(--calendar-event-fg);
  opacity: 0.95;
}

.calendar-event-tooltip-link {
  display: inline-block;
  margin-top: 0.35rem;
  color: var(--calendar-event-fg);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-version {
  font-size: 0.64rem;
  line-height: 1.2;
  opacity: 0.85;
}

.directory-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: #e6eafe;
  color: #3340a7;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.directory-search-form {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
  max-width: 42rem;
  margin: 0 auto;
}

.directory-search-input {
  flex: 1;
  min-width: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
}

.directory-search-input::placeholder {
  color: var(--muted);
}

.directory-search-button {
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  cursor: pointer;
}

.directory-search-button:hover {
  background: var(--hover);
}

/* Navigation links */
.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
}

.nav-link:hover {
  color: var(--fg);
}

/* Theme toggle button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  background: none;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--fg);
}

/* Icons */
.icon {
  display: block;
}

/* Show / hide icons based on theme */
.icon-sun {
  display: none;
}

html.dark .icon-moon {
  display: none;
}

html.dark .icon-sun {
  display: block;
}

@media (max-width: 768px) {
  .site-header-inner {
    flex-wrap: wrap;
    row-gap: 1rem;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .site-header-inner.mobile-nav-open .site-nav {
    display: flex;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-left,
  .footer-center,
  .footer-right {
    justify-self: center;
  }

  .calendar-event-tooltip {
    width: 210px;
  }

  .directory-search-form {
    flex-direction: column;
    align-items: stretch;
  }
}