.login-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.login-nav-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  margin-right: 12px;
}

.login-nav-tab {
  padding: 8px 14px;
  border-radius: 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.login-nav-tab:hover {
  color: var(--txt);
  background: rgba(148, 163, 184, 0.08);
}

.login-nav-tab.active {
  color: var(--txt);
  border-color: rgba(148, 163, 184, 0.28);
  background: rgba(148, 163, 184, 0.12);
}

.guide-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 0;
  max-width: 1180px;
  margin: 0 auto;
  min-height: calc(100vh - 52px);
}

.guide-sidebar {
  position: sticky;
  top: 52px;
  align-self: start;
  max-height: calc(100vh - 52px);
  overflow: auto;
  padding: 20px 12px 32px 16px;
  border-right: 1px solid rgba(148, 163, 184, 0.14);
}

.guide-side-label {
  margin: 18px 8px 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.guide-side-label:first-child {
  margin-top: 4px;
}

.guide-side-link {
  display: block;
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
  text-decoration: none;
}

.guide-side-link:hover {
  color: var(--txt);
  background: rgba(148, 163, 184, 0.08);
}

.guide-side-link.active {
  color: var(--txt);
  background: rgba(59, 130, 246, 0.16);
  border: 1px solid rgba(96, 165, 250, 0.28);
}

.guide-main {
  padding: 24px 28px 56px;
  min-width: 0;
}

.guide-article {
  padding: 8px 0 36px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  scroll-margin-top: 72px;
}

.guide-article:last-of-type {
  border-bottom: 0;
}

.guide-article h1 {
  margin: 4px 0 0;
  font-size: 26px;
  font-weight: 700;
}

.guide-article h2 {
  margin: 28px 0 10px;
  font-size: 17px;
  font-weight: 700;
}

.guide-article h3 {
  margin: 18px 0 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-2);
}

.guide-lead,
.guide-article p,
.guide-article li {
  font-size: 14px;
  line-height: 1.65;
  color: var(--txt);
}

.guide-lead {
  margin: 12px 0 20px;
  color: var(--muted);
}

.guide-article p {
  margin: 0 0 12px;
}

.guide-article ul,
.guide-article ol {
  margin: 0 0 14px;
  padding-left: 22px;
}

.guide-article li + li {
  margin-top: 6px;
}

.guide-toc-list {
  padding-left: 22px;
}

.guide-toc-list a {
  color: var(--accent-2);
  text-decoration: none;
}

.guide-toc-list a:hover {
  text-decoration: underline;
}

.guide-article a {
  color: var(--accent-2);
}

.guide-path {
  font-size: 12px !important;
  color: var(--muted) !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin-bottom: 16px !important;
}

.guide-note,
.guide-callout {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px !important;
  line-height: 1.55 !important;
}

.guide-note {
  border: 1px solid rgba(59, 130, 246, 0.25);
  background: rgba(37, 99, 235, 0.1);
  color: #93c5fd !important;
}

.guide-callout {
  border: 1px solid rgba(245, 158, 11, 0.28);
  background: rgba(245, 158, 11, 0.1);
  color: #fcd34d !important;
}

.guide-code {
  margin: 0 0 14px;
  padding: 12px 14px;
  overflow: auto;
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.72);
  font-size: 12px;
  line-height: 1.5;
}

.guide-code code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: #e2e8f0;
}

.guide-table-wrap {
  overflow: auto;
  margin: 0 0 16px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 8px;
}

.guide-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.guide-table th,
.guide-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  vertical-align: top;
}

.guide-table th {
  color: var(--muted);
  font-weight: 700;
  background: rgba(15, 23, 42, 0.55);
}

.guide-table code {
  font-size: 11px;
  word-break: break-all;
}

.guide-price-wrap {
  max-width: 420px;
}

.guide-price-table {
  table-layout: fixed;
}

.guide-price-table th,
.guide-price-table td {
  width: 50%;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.guide-price-table th:last-child,
.guide-price-table td:last-child {
  text-align: right;
}

.guide-price-table tbody tr:last-child td {
  border-bottom: 0;
}

.guide-shot {
  margin: 8px 0 20px;
}

.guide-shot-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  margin: 8px 0 20px;
}

.guide-shot-row .guide-shot {
  margin: 0;
}

.guide-shot-narrow {
  max-width: 320px;
}

.guide-shot-frame {
  display: grid;
  place-items: center;
  min-height: 120px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 10px;
  background: #0b1220;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

.guide-shot-frame img {
  display: block;
  width: 100%;
  height: auto;
  cursor: zoom-in;
}

.guide-shot-frame img:hover {
  filter: brightness(1.06);
}

.guide-lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(2, 6, 16, 0.82);
  cursor: zoom-out;
}

.guide-lightbox[hidden] {
  display: none !important;
}

.guide-lightbox img {
  max-width: min(96vw, 1400px);
  max-height: 92vh;
  border-radius: 10px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}

.guide-shot-fallback {
  padding: 28px 16px;
  text-align: center;
  color: var(--muted);
}

.guide-shot-fallback p {
  margin: 8px 0 6px;
  font-size: 12px !important;
  color: var(--muted) !important;
}

.guide-shot-fallback code {
  font-size: 12px;
  color: var(--accent-2);
}

.guide-shot-icon {
  font-size: 28px;
}

.guide-shot figcaption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}

.guide-actions {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
}

.guide-login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  min-width: 180px;
  padding: 14px 24px;
  text-decoration: none;
  text-align: center;
}

@media (max-width: 860px) {
  .guide-shot-narrow {
    max-width: 100%;
  }

  .guide-layout {
    grid-template-columns: 1fr;
  }

  .guide-sidebar {
    position: static;
    max-height: none;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 12px 16px 8px;
    border-right: 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  }

  .guide-side-label {
    width: 100%;
    margin: 10px 4px 2px;
  }

  .guide-main {
    padding: 18px 16px 40px;
  }

  .guide-actions {
    justify-content: stretch;
  }

  .guide-login-btn {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .login-nav-brand {
    width: 100%;
  }

  .login-nav-tabs {
    order: 3;
    width: 100%;
    margin: 8px 0 0;
    margin-right: 0;
  }
}