/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.navbar .container {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-md);
}

.navbar-brand {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  text-decoration: none;
  white-space: nowrap;
}

.navbar-brand:hover {
  color: var(--color-text-primary);
}

.navbar-brand .callsign {
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  margin-left: var(--space-xs);
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
  margin-left: auto;
}

.navbar-nav a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  text-decoration: none;
  position: relative;
}

.navbar-nav a:hover {
  color: var(--color-text-primary);
  background-color: var(--color-border);
}

.navbar-nav a.active {
  color: var(--color-accent);
}

.navbar-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-sm);
  right: var(--space-sm);
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
}

.navbar-toggles {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-left: var(--space-md);
}

/* Hamburger */
.navbar-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text-primary);
}

.navbar-hamburger svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
}

/* Mobile nav */
@media (max-width: 768px) {
  .navbar-hamburger {
    display: block;
    margin-left: auto;
  }

  .navbar-nav {
    display: none;
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm);
    gap: 0;
  }

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

  .navbar-nav a {
    padding: var(--space-md);
  }

  .navbar-nav a.active::after {
    display: none;
  }

  .navbar-nav a.active {
    background-color: var(--color-border);
  }
}

/* ===== TOGGLE BUTTONS ===== */
.toggle-btn {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  white-space: nowrap;
}

.toggle-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.toggle-btn.active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}

/* ===== COLLAPSIBLE SECTIONS ===== */
details.collapsible {
  background-color: var(--color-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-lg);
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
}

details.collapsible summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  cursor: pointer;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  list-style: none;
  user-select: none;
  transition: background-color var(--transition-fast);
}

details.collapsible summary::-webkit-details-marker {
  display: none;
}

details.collapsible summary::after {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-text-secondary);
  border-bottom: 2px solid var(--color-text-secondary);
  transform: rotate(45deg);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

details.collapsible[open] summary::after {
  transform: rotate(-135deg);
}

details.collapsible summary:hover {
  background-color: var(--color-border);
}

details.collapsible .collapsible-content {
  padding: 0 var(--space-lg) var(--space-lg);
}

details.collapsible > .post-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* ===== POST CARDS ===== */
.post-card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-lg);
  overflow: hidden;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.post-card:hover {
  box-shadow: var(--shadow-card-hover);
}

.post-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.post-card-body {
  padding: var(--space-lg);
}

.post-card-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.post-card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.post-card-title a {
  color: var(--color-text-primary);
  text-decoration: none;
}

.post-card-title a:hover {
  color: var(--color-accent);
}

.post-card-excerpt {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.read-more {
  display: inline-block;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  color: var(--color-accent);
}

.read-more:hover {
  color: var(--color-accent-hover);
}

/* ===== INFO CARD ===== */
.info-card {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border-radius: var(--border-radius);
  padding: var(--space-lg) var(--space-xl);
  margin-bottom: var(--space-xl);
}

.info-card h3 {
  color: #FFFFFF;
  margin-bottom: var(--space-sm);
}

.info-card p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-sm);
  line-height: var(--line-height-base);
}

.info-card p:last-child {
  margin-bottom: 0;
}

.info-card a {
  color: #FFFFFF;
  font-weight: var(--font-weight-bold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.info-card a:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* Light variant — surface bg with accent accents */
.info-card-light {
  background-color: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.info-card-light:hover {
  box-shadow: var(--shadow-card-hover);
}

.info-card-light h3 {
  color: var(--color-accent);
}

.info-card-light p,
.info-card-light li {
  color: var(--color-text-secondary);
}

.info-card-light a {
  color: var(--color-accent);
}

.info-card-light a:hover {
  color: var(--color-accent-hover);
}

.info-card-light ul {
  margin: var(--space-sm) 0 0 var(--space-lg);
  padding: 0;
}

.info-card-light li {
  margin-bottom: var(--space-xs);
  line-height: var(--line-height-base);
}

/* ===== BAND TOOLBAR & BUTTONS ===== */
.band-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.band-toolbar-buttons {
  display: flex;
  gap: var(--space-sm);
}

.refresh-btn {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  color: var(--color-text-secondary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.refresh-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background-color: var(--color-surface);
}

.refresh-btn.spinning {
  pointer-events: none;
  opacity: 0.7;
}

.band-fallback a {
  display: block;
}

/* ===== BAND CONDITIONS ===== */
.band-solar-indices {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.solar-index {
  text-align: center;
  padding: var(--space-md);
  background-color: var(--color-bg);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-base);
}

.solar-index-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.solar-index-value {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.band-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-md);
}

.band-table th,
.band-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition-base);
}

.band-table th {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.condition-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.condition-good {
  background-color: #1a3a1a;
  color: #6fcf6f;
}

.condition-fair {
  background-color: #3a3520;
  color: #d4c85c;
}

.condition-poor {
  background-color: #3a1a1a;
  color: #cf6f6f;
}

[data-theme="light"] .condition-good {
  background-color: #e6f4e6;
  color: #2d6a2d;
}

[data-theme="light"] .condition-fair {
  background-color: #f4f0d0;
  color: #6a5f2d;
}

[data-theme="light"] .condition-poor {
  background-color: #f4e6e6;
  color: #6a2d2d;
}

.solar-index-sm {
  font-size: var(--font-size-lg);
}

.band-status-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.vhf-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
}

/* Band layout: solar image + table side by side */
.band-layout {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.band-layout-image {
  flex-shrink: 0;
  text-align: center;
}

.solar-disk-image {
  width: 180px;
  height: 180px;
  border-radius: var(--border-radius);
  object-fit: cover;
  display: block;
}

.solar-disk-caption {
  display: block;
  font-size: var(--font-size-sm);
  margin-top: var(--space-xs);
}

.band-layout-table {
  flex: 1;
  min-width: 0;
}

.band-layout-table .band-table {
  margin-bottom: 0;
}

.band-updated {
  font-size: var(--font-size-sm);
  margin-top: var(--space-sm);
}

@media (max-width: 600px) {
  .band-layout {
    flex-direction: column;
    align-items: center;
  }

  .solar-disk-image {
    width: 200px;
    height: 200px;
  }

  .band-layout-table {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .band-solar-indices {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== CALENDAR EMBED ===== */
.calendar-embed {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background-color: var(--color-surface);
}

.calendar-embed iframe {
  display: block;
}

/* ===== EASTER EGG ===== */
.easter-egg-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s ease, background-color 0.3s ease;
  cursor: pointer;
}

.easter-egg-overlay.visible {
  opacity: 1;
  background-color: rgba(0, 0, 0, 0.8);
}

.easter-egg-modal {
  text-align: center;
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.easter-egg-overlay.visible .easter-egg-modal {
  transform: scale(1);
}

.easter-egg-modal img {
  max-width: 280px;
  border-radius: var(--border-radius);
  margin-bottom: var(--space-md);
}

.easter-egg-modal p {
  color: #FFFFFF;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

.easter-egg-dismiss {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}