/* Tavina Changelog Widget — CSS */
/* Served from https://app.tavina.ai/changelog-widget.css */

/* ── CSS Custom Properties (light / dark) ── */
:root {
  --tc-bg: #ffffff;
  --tc-surface: #f9fafb;
  --tc-surface-hover: #f3f4f6;
  --tc-border: #e5e7eb;
  --tc-border-light: #f0f0f0;
  --tc-text: #111827;
  --tc-text-muted: #6b7280;
  --tc-text-light: #9ca3af;
  --tc-accent: #7c3aed;
  --tc-accent-light: #ede9fe;
  --tc-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --tc-shadow-hover: 0 4px 12px rgba(0,0,0,0.08);
  --tc-radius: 10px;
  --tc-link: #7c3aed;
  --tc-link-hover: #6d28d9;
  --tc-error-bg: #fef2f2;
  --tc-error-text: #991b1b;
  --tc-empty-text: #9ca3af;
}

@media (prefers-color-scheme: dark) {
  :root {
    --tc-bg: #111113;
    --tc-surface: #1c1c1f;
    --tc-surface-hover: #26262a;
    --tc-border: #2e2e33;
    --tc-border-light: #232328;
    --tc-text: #e4e4e7;
    --tc-text-muted: #a1a1aa;
    --tc-text-light: #71717a;
    --tc-accent: #a78bfa;
    --tc-accent-light: #2e1065;
    --tc-shadow: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
    --tc-shadow-hover: 0 4px 12px rgba(0,0,0,0.4);
    --tc-link: #a78bfa;
    --tc-link-hover: #c4b5fd;
    --tc-error-bg: #1c1111;
    --tc-error-text: #fca5a5;
    --tc-empty-text: #71717a;
  }
}

/* ── Container ── */
.tavina-changelog {
  max-width: 800px;
  margin: 0 auto;
  font-family: inherit;
  color: var(--tc-text);
  line-height: 1.6;
}

/* ── Tab Bar ── */
.tavina-changelog__tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--tc-border);
  margin-bottom: 24px;
  position: relative;
  overflow-x: auto;
  scrollbar-width: none;
}
.tavina-changelog__tabs::-webkit-scrollbar { display: none; }

.tavina-changelog__tab {
  background: none;
  border: none;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--tc-text-muted);
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  transition: color 0.2s ease;
  font-family: inherit;
  line-height: 1.4;
}
.tavina-changelog__tab:hover {
  color: var(--tc-text);
}
.tavina-changelog__tab--active {
  color: var(--tc-accent);
}
.tavina-changelog__tab--active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--tc-accent);
  border-radius: 2px 2px 0 0;
}

/* ── Tab count badge ── */
.tavina-changelog__tab-count {
  display: inline-block;
  margin-left: 6px;
  font-size: 11px;
  font-weight: 500;
  background: var(--tc-border);
  color: var(--tc-text-muted);
  padding: 1px 7px;
  border-radius: 10px;
  vertical-align: middle;
  line-height: 1.5;
}
.tavina-changelog__tab--active .tavina-changelog__tab-count {
  background: var(--tc-accent-light);
  color: var(--tc-accent);
}

/* ── Card List ── */
.tavina-changelog__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Card ── */
.tavina-changelog__card {
  background: var(--tc-surface);
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  padding: 20px 24px;
  box-shadow: var(--tc-shadow);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.tavina-changelog__card:hover {
  box-shadow: var(--tc-shadow-hover);
  border-color: var(--tc-accent);
}

/* ── Card Header ── */
.tavina-changelog__card-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.tavina-changelog__version {
  font-size: 16px;
  font-weight: 700;
  color: var(--tc-text);
  letter-spacing: -0.01em;
}
.tavina-changelog__date {
  font-size: 13px;
  color: var(--tc-text-light);
  font-weight: 400;
}

/* ── Track badge ── */
.tavina-changelog__track-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 6px;
  line-height: 1.5;
}
.tavina-changelog__track-badge--stable  { background: #dcfce7; color: #166534; }
.tavina-changelog__track-badge--beta    { background: #dbeafe; color: #1e40af; }
.tavina-changelog__track-badge--alpha   { background: #fef3c7; color: #92400e; }
.tavina-changelog__track-badge--dev     { background: #fce7f3; color: #9d174d; }

@media (prefers-color-scheme: dark) {
  .tavina-changelog__track-badge--stable  { background: #052e16; color: #86efac; }
  .tavina-changelog__track-badge--beta    { background: #172554; color: #93c5fd; }
  .tavina-changelog__track-badge--alpha   { background: #451a03; color: #fcd34d; }
  .tavina-changelog__track-badge--dev     { background: #500724; color: #f9a8d4; }
}

/* ── Summary ── */
.tavina-changelog__summary {
  font-size: 14px;
  color: var(--tc-text);
  margin-bottom: 0;
  line-height: 1.65;
}

/* ── Details Toggle ── */
.tavina-changelog__details-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--tc-link);
  cursor: pointer;
  font-family: inherit;
  transition: color 0.15s ease;
}
.tavina-changelog__details-toggle:hover {
  color: var(--tc-link-hover);
}
.tavina-changelog__details-toggle:focus-visible {
  outline: 2px solid var(--tc-accent);
  outline-offset: 2px;
  border-radius: 3px;
}

.tavina-changelog__details-arrow {
  display: inline-block;
  font-size: 10px;
  transition: transform 0.25s ease;
  line-height: 1;
}
.tavina-changelog__details-arrow--open {
  transform: rotate(90deg);
}

/* ── Details Content ── */
.tavina-changelog__details-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
  opacity: 0;
  margin-top: 0;
}
.tavina-changelog__details-content--open {
  max-height: 600px;
  opacity: 1;
  margin-top: 12px;
}
.tavina-changelog__details-inner {
  font-size: 13px;
  color: var(--tc-text-muted);
  line-height: 1.7;
  padding: 12px 16px;
  background: var(--tc-bg);
  border: 1px solid var(--tc-border-light);
  border-radius: 8px;
}

  /* ── (dev-specific monospace removed — all tracks use same style) ── */

/* ── Empty State ── */
.tavina-changelog__empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--tc-empty-text);
  font-size: 15px;
}
.tavina-changelog__empty-icon {
  font-size: 32px;
  margin-bottom: 8px;
  display: block;
  opacity: 0.5;
}

/* ── Loading State ── */
.tavina-changelog__loading {
  text-align: center;
  padding: 48px 24px;
  color: var(--tc-text-muted);
  font-size: 14px;
}
.tavina-changelog__spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2.5px solid var(--tc-border);
  border-top-color: var(--tc-accent);
  border-radius: 50%;
  animation: tavina-spin 0.7s linear infinite;
  margin-bottom: 12px;
}
@keyframes tavina-spin {
  to { transform: rotate(360deg); }
}

/* ── Error State ── */
.tavina-changelog__error {
  background: var(--tc-error-bg);
  color: var(--tc-error-text);
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  padding: 16px 20px;
  font-size: 14px;
  text-align: center;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .tavina-changelog__tab {
    padding: 8px 14px;
    font-size: 13px;
  }
  .tavina-changelog__card {
    padding: 16px 18px;
  }
  .tavina-changelog__card-header {
    flex-direction: column;
    gap: 4px;
  }
}