/* ─── Guide Shared Styles ─── */
/* Shared across all guide chapter pages */

/* ─── Custom Scrollbar ─── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(180, 160, 130, .25);
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(180, 160, 130, .45);
  background-clip: content-box;
}
::-webkit-scrollbar-corner {
  background: transparent;
}
/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(180, 160, 130, .25) transparent;
}

/* ─── Sidebar Navigation ─── */
.guide-sidebar {
  position: fixed;
  top: 72px;
  left: 40px;
  width: 240px;
  height: calc(100vh - 72px);
  overflow-y: auto;
  padding: 36px 20px 40px 32px;
  border-right: none;
  border-radius: 0 12px 12px 0;
  background: var(--paper);
  z-index: 80;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  transition: transform .25s ease;
}
.guide-sidebar h4 {
  margin: 0 0 20px;
  padding: 0 10px;
  color: var(--gold);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.guide-sidebar ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.guide-sidebar li {
  margin-bottom: 4px;
}
.guide-sidebar a {
  display: block;
  padding: 10px 14px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background .15s, color .15s;
}
.guide-sidebar a:hover {
  background: rgba(231, 181, 109, .08);
  color: var(--ink);
}
.guide-sidebar a.is-active {
  background: rgba(231, 181, 109, .12);
  color: var(--gold);
  font-weight: 600;
}
.guide-sidebar-toggle {
  display: none;
  position: fixed;
  top: 80px;
  left: 12px;
  z-index: 90;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line2);
  border-radius: 8px;
  background: var(--paper);
  color: var(--gold);
  font-size: 16px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: background .15s;
}
.guide-sidebar-toggle:hover {
  background: rgba(231, 181, 109, .1);
}

.guide-body {
  max-width: 860px;
  padding: 130px 24px 80px;
  /* Center content in the space to the right of sidebar */
  margin-left: max(308px, calc(50vw - 280px));
  margin-right: auto;
}
.guide-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  color: var(--dim);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
}
.guide-breadcrumb a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s;
}
.guide-breadcrumb a:hover { border-color: var(--gold); }
.guide-title {
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.15;
  margin-bottom: 12px;
}
.guide-subtitle {
  color: var(--muted);
  font-size: 18px;
  margin-bottom: 48px;
}
.guide-toc {
  margin-bottom: 56px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: var(--r2);
  background: rgba(244, 234, 215, .04);
}
.guide-toc h4 {
  margin: 0 0 14px;
  color: var(--gold);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.guide-toc ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}
.guide-toc a { color: var(--ink); border-bottom: 1px dashed var(--line2); }
.guide-toc a:hover { color: var(--gold); }

/* Step sections */
.guide-step {
  margin-bottom: 72px;
  scroll-margin-top: 100px;
}
.step-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line2);
  border-radius: 50%;
  color: var(--gold);
  font-size: 15px;
  font-weight: 700;
  flex-shrink: 0;
}
.step-header h2 {
  font-size: 24px;
  margin: 0;
}
.step-content {
  padding-left: 50px;
}
.step-content p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 14px;
}
.step-content strong { color: var(--ink); }
.step-content code {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(231, 181, 109, .1);
  border: 1px solid rgba(231, 181, 109, .2);
  border-radius: 4px;
  color: var(--gold);
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 13px;
}
.step-svg-wrap {
  margin: 24px 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(244, 234, 215, .03);
}
.step-svg-wrap svg {
  display: block;
  width: 100%;
  height: auto;
}
.tip-box {
  margin: 20px 0;
  padding: 16px 20px;
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
  background: rgba(231, 181, 109, .06);
  color: var(--muted);
  font-size: 14px;
}
.tip-box strong { color: var(--gold); }
.provider-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin: 16px 0;
  padding: 0;
  list-style: none;
}
.provider-list li {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
.provider-list li span { color: var(--gold); margin-right: 6px; }

.guide-next {
  margin-top: 80px;
  padding: 28px;
  border: 1px solid var(--line2);
  border-radius: var(--r2);
  text-align: center;
}
.guide-next p { color: var(--muted); margin-bottom: 16px; }
.guide-next .button { font-size: 15px; }

.guide-nav-footer {
  margin-top: 80px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.guide-nav-footer .button { font-size: 14px; min-height: 42px; }

/* Sand theme adjustments */
body[data-theme=sand] .step-svg-wrap {
  background: rgba(42, 33, 24, .03);
  border-color: rgba(88, 62, 35, .18);
}

@media (max-width: 1100px) {
  .guide-body { margin-left: 308px; max-width: none; padding-right: 24px; }
}
@media (max-width: 760px) {
  .guide-sidebar {
    transform: translateX(-100%);
  }
  .guide-sidebar.is-open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,.15);
  }
  .guide-sidebar-toggle {
    display: inline-flex;
  }
  .guide-body { padding: 106px 16px 60px; margin-left: 0; }
  .step-content { padding-left: 0; }
  .provider-list { grid-template-columns: 1fr 1fr; }
  .guide-nav-footer { flex-direction: column; }
}

.icp-content {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.icp-content img {
  vertical-align: middle;
}