@import url("/styles/tokens.css");

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  backdrop-filter: none;
  background: #000000 !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #ffffff;
}

.brand-mark img {
  width: 42px;
  height: 42px;
  display: block;
  object-fit: contain;
  filter: brightness(1.08) contrast(1.06);
}

.brand-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-title {
  color: #ffffff;
  font-size: 20px;
  font-weight: 700;
}

.brand-tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(79, 124, 255, 0.12);
  color: #ffffff;
  font-size: 12px;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-width: 0;
  background: transparent;
}

.nav-list,
.nav-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-link,
.nav-pill {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-pill:hover,
.nav-pill:focus-visible,
.nav-link.is-current {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.nav-link.is-current {
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand), #6f97ff);
  border-color: transparent;
}

.nav-pill {
  color: rgba(255, 255, 255, 0.86);
  font-family: var(--font-display);
}

.site-header .brand-title,
.site-header .brand-tag,
.site-header .nav-link,
.site-header .nav-pill,
.site-header .nav-toggle {
  color: #ffffff !important;
}

.hero {
  padding: var(--space-16) 0 var(--space-20);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: var(--space-8);
  align-items: center;
}

.hero-copy {
  max-width: 660px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.metric-card {
  padding: var(--space-5);
}

.metric-value {
  color: var(--brand);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
}

.metric-label {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
}

.terminal-card {
  position: relative;
  overflow: hidden;
  padding: var(--space-6);
  min-height: 420px;
  background: linear-gradient(180deg, #121c31, #0f1729);
  border-color: rgba(46, 95, 232, 0.16);
}

.terminal-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(105, 166, 255, 0.14), transparent 34%),
    radial-gradient(circle at top right, rgba(79, 124, 255, 0.16), transparent 26%);
  pointer-events: none;
}

.terminal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ff7b72; }
.terminal-dots span:nth-child(2) { background: #ffd66b; }
.terminal-dots span:nth-child(3) { background: var(--brand); }

.terminal-label {
  color: #9aa7c5;
  font-family: var(--font-display);
  font-size: 13px;
}

.terminal-lines {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-display);
  font-size: 15px;
}

.terminal-lines li {
  color: #d4def5;
}

.terminal-prompt {
  color: #7aa2ff;
}

.terminal-comment {
  color: #8b96b4;
}

.terminal-blue {
  color: #8fb0ff;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.card {
  padding: var(--space-6);
}

.card h3,
.list-card h3,
.related-card h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.25;
}

.card p,
.list-card p,
.related-card p {
  margin: var(--space-3) 0 0;
  color: var(--text-muted);
}

.card-meta,
.article-meta,
.mini-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-top: var(--space-4);
  color: var(--text-soft);
  font-size: 13px;
}

.tag-row,
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag,
.filter-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(26, 48, 86, 0.08);
  background: #ffffff;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
}

.filter-pill.is-active,
.tag.is-highlight {
  color: #ffffff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--brand), #6f97ff);
}

.list-card {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
  padding: var(--space-6);
}

.list-index {
  color: var(--brand);
  font-family: var(--font-display);
  font-size: 32px;
  line-height: 1;
}

.summary-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--space-6);
  align-items: start;
}

.summary-card,
.aside-card,
.related-card,
.author-card,
.trust-card {
  padding: var(--space-6);
}

.summary-points,
.bullet-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: var(--space-4) 0 0;
  list-style: none;
}

.summary-points li,
.bullet-list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-muted);
}

.summary-points li::before,
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 6px rgba(79, 124, 255, 0.24);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding: 0;
  margin: 0 0 var(--space-5);
  list-style: none;
  color: var(--text-soft);
  font-size: 14px;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 12px;
  color: rgba(95, 105, 133, 0.35);
}

.page-hero {
  padding: var(--space-12) 0 var(--space-10);
}

.layout-detail {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: var(--space-6);
}

.toc {
  position: sticky;
  top: 110px;
}

.toc-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: var(--space-4) 0 0;
  list-style: none;
}

.toc-link {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--text-muted);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.toc-link:hover,
.toc-link:focus-visible,
.toc-link.is-active {
  background: rgba(79, 124, 255, 0.08);
  color: var(--brand-deep);
}

.related-grid,
.trust-grid,
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.iframe-shell {
  margin-top: var(--space-8);
  padding: var(--space-6);
}

.iframe-shell iframe {
  width: 100%;
  min-height: 300px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #111a2e;
}

.site-footer {
  padding: var(--space-12) 0;
  border-top: 1px solid rgba(26, 48, 86, 0.08);
}

.footer-note {
  margin-top: var(--space-6);
  color: var(--text-soft);
  font-size: 14px;
}

@media (max-width: 1279px) {
  .hero-grid,
  .summary-grid,
  .layout-detail {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .related-grid,
  .trust-grid,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .terminal-card {
    min-height: auto;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 959px) {
  .header-inner {
    align-items: center;
    min-height: 74px;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .site-nav {
    position: absolute;
    left: 12px;
    right: 12px;
    top: calc(100% + 10px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    padding: var(--space-4);
    border-radius: 24px;
    border: 1px solid var(--line);
    background: #000000 !important;
    box-shadow: var(--shadow-card);
    max-height: calc(100vh - 108px);
    overflow: auto;
  }

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

  .nav-list,
  .nav-tools {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-link,
  .nav-pill {
    width: 100%;
    justify-content: center;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: var(--space-12) 0 var(--space-16);
  }

  .page-hero {
    padding: var(--space-10) 0 var(--space-8);
  }
}

@media (max-width: 767px) {
  .header-inner {
    min-height: 68px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-mark img {
    width: 38px;
    height: 38px;
  }

  .brand-title {
    font-size: 18px;
  }

  .brand-tag {
    display: none;
  }

  .hero {
    padding: var(--space-10) 0 var(--space-12);
  }

  .page-hero {
    padding: var(--space-8) 0 var(--space-6);
  }

  .terminal-card,
  .card,
  .summary-card,
  .aside-card,
  .related-card,
  .author-card,
  .trust-card,
  .iframe-shell {
    padding: var(--space-5);
  }

  .terminal-lines {
    gap: 10px;
    font-size: 14px;
  }

  .terminal-note {
    padding-top: var(--space-5);
  }

  .card-grid,
  .related-grid,
  .trust-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .card h3,
  .list-card h3,
  .related-card h3 {
    font-size: 20px;
  }

  .list-card {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: var(--space-5);
  }

  .list-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 999px;
    background: rgba(92, 255, 176, 0.08);
    border: 1px solid var(--line);
    font-size: 18px;
  }

  .summary-grid {
    gap: var(--space-4);
  }

  .article-meta,
  .card-meta,
  .mini-meta {
    gap: 8px 10px;
  }

  .toc {
    top: auto;
  }

  .toc-list {
    grid-auto-flow: column;
    grid-auto-columns: minmax(210px, 1fr);
    overflow-x: auto;
    padding-bottom: 8px;
    margin-right: -4px;
  }

  .toc-link {
    min-height: 52px;
    display: flex;
    align-items: center;
  }

  .button-row {
    flex-direction: column;
  }

  .button-row,
  .tag-row,
  .filter-row {
    gap: 8px;
  }

  .button {
    width: 100%;
  }

  .status-line li {
    width: 100%;
    justify-content: flex-start;
  }

  .iframe-shell iframe {
    min-height: 220px;
  }
}