/*
 * Changelog component styles. Tokens + base body live in tokens.css.
 * Layout: sticky sidebar (version list) + article body.
 */

.cl-shell {
  display: flex;
  min-height: 100vh;
}

aside {
  width: 264px;
  min-width: 264px;
  height: 100vh;
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 28px 18px;
  overflow-y: auto;
  background: rgb(var(--t-surface) / 0.78);
  border-right: 1px solid var(--t-border-faint);
  backdrop-filter: blur(24px);
}

.sidebar-brand {
  padding: 2px 6px 14px;
  border-bottom: 1px solid var(--t-border-faint);
}

.sidebar-brand .logo-label {
  margin-bottom: 2px;
  color: var(--t-text-dim);
  font-size: 13px;
}

.sidebar-brand .logo-title {
  color: var(--t-text);
  font-size: 18px;
  font-weight: 650;
  letter-spacing: var(--t-tracking-snug);
}

.sidebar-home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 6px;
  color: var(--t-text-dim);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--t-dur-fast) var(--t-ease);
}

.sidebar-home:hover {
  color: rgb(var(--t-primary));
}

.sidebar-section-label {
  padding: 0 6px;
  color: var(--t-text-dim);
  font-size: 12px;
}

.version-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.version-list li a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 8px 12px;
  color: var(--t-text-mid);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--t-radius-pill);
  transition:
    color var(--t-dur-fast) var(--t-ease),
    background var(--t-dur-fast) var(--t-ease),
    border-color var(--t-dur-fast) var(--t-ease),
    transform var(--t-dur-fast) var(--t-ease);
}

.version-list li a:hover {
  color: var(--t-text);
  background: var(--t-fill-subtle);
}

.version-list li a:active {
  transform: scale(0.985);
}

.version-list li.active a {
  color: var(--t-text);
  background: rgb(var(--t-primary) / 0.12);
  border-color: rgb(var(--t-primary) / 0.22);
}

.version-list li a .dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: rgb(var(--t-on-surface) / 0.28);
}

.version-list li.active a .dot {
  background: rgb(var(--t-primary));
}

main {
  width: min(100%, 920px);
  flex: 1;
  padding: 52px clamp(24px, 5vw, 72px) 72px;
}

.page-header {
  margin-bottom: 34px;
}

.page-header .meta-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--t-text-dim);
  font-size: 13px;
}

.page-header h1 {
  margin-bottom: 8px;
  color: var(--t-text);
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 720;
  letter-spacing: var(--t-tracking-tight);
  line-height: 1.05;
}

.page-header h1 span.version-accent {
  color: rgb(var(--t-primary));
}

.page-header .date-badge,
.page-header .release-theme {
  color: var(--t-text-dim);
  font-size: 14px;
}

.page-header .release-theme {
  margin-top: 4px;
  color: var(--t-text-mid);
}

.changelog-body {
  padding-bottom: 48px;
}

.changelog-body > *:first-child {
  margin-top: 0;
}

.changelog-body h1,
.changelog-body h2,
.changelog-body h3,
.changelog-body h4 {
  color: var(--t-text);
  letter-spacing: var(--t-tracking-snug);
  scroll-margin-top: 28px;
}

.changelog-body h2 {
  margin: 42px 0 18px;
  padding-top: 28px;
  border-top: 1px solid var(--t-border-faint);
  font-size: 22px;
  font-weight: 680;
  line-height: 1.3;
}

.changelog-body h3 {
  margin: 42px 0 14px;
  font-size: 25px;
  font-weight: 680;
  line-height: 1.35;
}

.changelog-body h4 {
  margin: 28px 0 10px;
  font-size: 17px;
  font-weight: 650;
}

.changelog-body p {
  margin-bottom: 22px;
  color: var(--t-text-mid);
  font-size: 15px;
  line-height: 1.85;
}

.changelog-body ul,
.changelog-body ol {
  margin: 0 0 24px;
  padding-left: 0;
  color: var(--t-text-mid);
}

.changelog-body ul {
  list-style: none;
}

.changelog-body ol {
  padding-left: 1.4em;
}

.changelog-body li {
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.75;
}

.changelog-body ul li {
  position: relative;
  padding-left: 18px;
}

.changelog-body ul li::before {
  content: "";
  position: absolute;
  top: 0.82em;
  left: 2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgb(var(--t-primary) / 0.72);
}

.changelog-body strong {
  color: var(--t-text);
  font-weight: 650;
}

.changelog-body a {
  color: var(--t-text);
  text-decoration: underline;
  text-decoration-color: rgb(var(--t-primary) / 0.42);
  text-underline-offset: 3px;
  transition:
    color var(--t-dur-fast) var(--t-ease),
    text-decoration-color var(--t-dur-fast) var(--t-ease);
}

.changelog-body a:hover {
  color: rgb(var(--t-primary));
  text-decoration-color: rgb(var(--t-primary));
}

/* Tables (used in feature tutorials, e.g. keyboard-shortcut grids). */
.changelog-body table {
  width: 100%;
  margin: 8px 0 26px;
  border-collapse: collapse;
  font-size: 14px;
}

.changelog-body th,
.changelog-body td {
  padding: 10px 14px;
  text-align: left;
  border: 1px solid var(--t-border-faint);
  color: var(--t-text-mid);
}

.changelog-body th {
  background: var(--t-fill-subtle);
  color: var(--t-text);
  font-weight: 650;
}

.changelog-body code {
  padding: 2px 6px;
  color: var(--t-text);
  background: var(--t-fill-subtle);
  border: 1px solid var(--t-border-faint);
  border-radius: 6px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.86em;
}

.changelog-body pre {
  margin: 22px 0;
  padding: 18px;
  overflow-x: auto;
  color: var(--t-text-mid);
  background: rgb(var(--t-surface) / 0.72);
  border: 1px solid var(--t-border-faint);
  border-radius: var(--t-radius-lg);
  box-shadow: var(--t-shadow-xs);
}

.changelog-body pre code {
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.changelog-body blockquote {
  margin: 24px 0;
  padding: 4px 0 4px 18px;
  color: var(--t-text-dim);
  border-left: 2px solid var(--t-border-strong);
}

.changelog-body img,
.changelog-body video {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 28px auto 10px;
  border: 1px solid var(--t-border-faint);
  border-radius: var(--t-radius-xl);
  box-shadow: var(--t-shadow-md);
}

.media-caption {
  max-width: 720px;
  margin: 10px auto 28px;
  color: var(--t-text-dim);
  font-size: 13px;
  line-height: 1.65;
  text-align: center;
}

.changelog-body details {
  margin: 22px 0;
  padding: 14px 18px;
  background: rgb(var(--t-surface) / 0.64);
  border: 1px solid var(--t-border-faint);
  border-radius: var(--t-radius-lg);
  box-shadow: var(--t-shadow-xs);
}

.changelog-body summary {
  cursor: pointer;
  color: var(--t-text);
  font-size: 14px;
  font-weight: 650;
  user-select: none;
}

.changelog-body details[open] summary {
  margin-bottom: 12px;
}

.changelog-body hr {
  margin: 36px 0;
  border: 0;
  border-top: 1px solid var(--t-border-faint);
}

.badge,
.tag-new,
.tag-fix,
.tag-improved,
.tag-breaking,
.tag-removed {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  margin-right: 8px;
  padding: 2px 9px;
  vertical-align: middle;
  border: 1px solid;
  border-radius: var(--t-radius-pill);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1;
}

.badge-new,
.tag-new {
  color: rgb(var(--t-primary));
  background: rgb(var(--t-primary) / 0.1);
  border-color: rgb(var(--t-primary) / 0.2);
}

.badge-fix,
.tag-fix {
  color: rgb(var(--t-error));
  background: rgb(var(--t-error) / 0.1);
  border-color: rgb(var(--t-error) / 0.22);
}

.badge-improve,
.tag-improved {
  color: rgb(var(--t-secondary));
  background: rgb(var(--t-secondary) / 0.14);
  border-color: rgb(var(--t-secondary) / 0.25);
}

.badge-break,
.tag-breaking {
  color: rgb(var(--t-error));
  background: rgb(var(--t-error) / 0.12);
  border-color: rgb(var(--t-error) / 0.28);
}

.tag-removed {
  color: var(--t-text-dim);
  background: var(--t-fill-faint);
  border-color: var(--t-border-faint);
}

.media-placeholder {
  margin: 26px 0 10px;
  padding: 18px 20px;
  color: var(--t-text-mid);
  background: rgb(var(--t-surface) / 0.58);
  border: 1px dashed var(--t-border-strong);
  border-radius: var(--t-radius-lg);
  font-size: 14px;
  line-height: 1.75;
}

.media-placeholder::before {
  content: "差し替える画像・動画";
  display: block;
  margin-bottom: 4px;
  color: var(--t-text);
  font-size: 13px;
  font-weight: 650;
}

.breaking-block {
  margin: 18px 0 26px;
  padding: 18px 20px;
  color: var(--t-text-mid);
  background: rgb(var(--t-error) / 0.08);
  border: 1px solid rgb(var(--t-error) / 0.22);
  border-radius: var(--t-radius-lg);
  font-size: 15px;
  line-height: 1.75;
}

.breaking-block strong {
  display: block;
  margin-bottom: 6px;
  color: rgb(var(--t-error));
}

@media (max-width: 760px) {
  .cl-shell {
    display: block;
  }

  aside {
    position: static;
    width: 100%;
    min-width: 0;
    height: auto;
    padding: 18px;
    border-right: 0;
    border-bottom: 1px solid var(--t-border-faint);
  }

  .version-list {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .version-list li {
    flex: 0 0 auto;
  }

  main {
    width: 100%;
    padding: 34px 20px 54px;
  }

  .page-header h1 {
    font-size: 38px;
  }
}