/* ==========================================================================
   XHYPHER TECH — PRETTY-MD HUB
   ========================================================================== */

/* --- Hub hero --- */
.hub-hero {
  padding-top: calc(var(--nav-height) + 64px);
  padding-bottom: 64px;
  position: relative;
}

.hub-hero-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-bottom: 32px;
}

.hub-logo {
  width: 72px; height: 72px;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.hub-hero h1 { font-size: clamp(32px, 5vw, 52px); margin-bottom: 6px; }
.hub-hero .hub-tagline {
  font-family: var(--font-mono);
  color: var(--red);
  font-size: 14px;
  letter-spacing: 0.03em;
}

.hub-hero p.lead { max-width: 620px; margin: 24px 0 32px; font-size: 17px; }

.hub-cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }

.hub-stat-row { display: flex; flex-wrap: wrap; gap: 32px; }
.hub-stat { border-left: 1px solid var(--line-strong); padding-left: 14px; }
.hub-stat strong { display: block; font-family: var(--font-display); font-size: 20px; }
.hub-stat span { font-size: 12.5px; color: var(--ink-faint); }

/* --- Sticky sub-nav --- */
.hub-subnav {
  position: sticky;
  top: var(--nav-height);
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}
.hub-subnav::-webkit-scrollbar { display: none; }

.hub-subnav-inner {
  display: flex;
  gap: 6px;
  padding: 12px 24px;
  max-width: var(--container);
  margin: 0 auto;
  width: max-content;
  min-width: 100%;
}

.hub-subnav a {
  font-size: 13.5px;
  padding: 7px 14px;
  border-radius: 999px;
  white-space: nowrap;
  color: var(--ink-muted);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.hub-subnav a:hover { color: var(--ink); }
.hub-subnav a.active { background: var(--ink); color: var(--bg); }

/* --- Quick start --- */
.quickstart-grid {
  grid-template-columns: repeat(6, 1fr);
}
.quickstart-step { text-align: left; }
.quickstart-step .step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  display: block;
  margin-bottom: 12px;
}
.quickstart-step h4 { font-size: 14.5px; margin-bottom: 4px; }

/* --- Pairing cards --- */
.pairing-card { text-align: left; }
.pairing-card .service-icon { margin-bottom: 20px; }
.pairing-card h3 { font-size: 18px; margin-bottom: 8px; }
.pairing-card p { font-size: 14px; margin-bottom: 16px; }
.pairing-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  margin-bottom: 20px;
}
.pairing-status .dot-static { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-faint); }

/* --- Deploy platform cards --- */
.deploy-card { text-align: left; }
.deploy-card-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.deploy-card-head img, .deploy-card-head .deploy-icon-fallback {
  width: 34px; height: 34px;
  border-radius: 8px;
  object-fit: contain;
}
.deploy-card-head .deploy-icon-fallback {
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}
.deploy-card-head h3 { font-size: 17px; }
.deploy-card p { font-size: 14px; margin-bottom: 14px; }
.deploy-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.deploy-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 9px;
  border-radius: 4px;
  border: 1px solid var(--line-strong);
  color: var(--ink-muted);
}
.deploy-badge.warn { color: var(--red); border-color: var(--red-dim); background: var(--red-dim); }

/* --- Manual install tabs --- */
.install-tabs-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0;
}
.install-tab-btn {
  padding: 12px 18px;
  font-size: 14px;
  color: var(--ink-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  display: flex; align-items: center; gap: 8px;
}
.install-tab-btn.active { color: var(--ink); border-bottom-color: var(--blue); }
.install-tab-panel { display: none; }
.install-tab-panel.active { display: block; }

.req-list { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-wrap: wrap; gap: 10px; }
.req-list li {
  font-size: 13.5px;
  color: var(--ink-muted);
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

/* --- Code blocks --- */
.code-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 18px;
}
.code-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-faint);
}
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
  border: 1px solid var(--line-strong);
  padding: 5px 10px;
  border-radius: 4px;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.copy-btn:hover { border-color: var(--blue); color: var(--ink); }
.copy-btn.copied { color: var(--blue); border-color: var(--blue); }
.copy-btn svg { width: 12px; height: 12px; }

.code-block pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
}

.pm2-command-grid { grid-template-columns: repeat(3, 1fr); margin-top: 20px; }
.pm2-command-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px 16px;
}
.pm2-command-card h5 { font-size: 13px; margin-bottom: 10px; color: var(--ink-muted); font-weight: 500; }
.pm2-command-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--surface);
  border-radius: 4px;
  padding: 8px 10px;
}
.pm2-command-row code { font-family: var(--font-mono); font-size: 12.5px; }

.note-card {
  display: flex;
  gap: 12px;
  padding: 16px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--surface);
  margin-bottom: 14px;
  font-size: 13.5px;
}
.note-card.warn { border-color: var(--red-dim); background: var(--red-dim); }
.note-card strong { display: block; margin-bottom: 4px; color: var(--ink); }
.note-card p { font-size: 13.5px; margin: 0; }

/* --- Docs layout --- */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: start;
}

.docs-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 60px);
}

.docs-search {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  font-size: 13.5px;
  color: var(--ink);
  margin-bottom: 18px;
}

.docs-nav-group { margin-bottom: 20px; }
.docs-nav-group h5 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  margin-bottom: 10px;
}
.docs-nav-group ul { list-style: none; margin: 0; padding: 0; }
.docs-nav-group li a {
  display: block;
  font-size: 13.5px;
  color: var(--ink-muted);
  padding: 6px 0 6px 12px;
  border-left: 2px solid transparent;
}
.docs-nav-group li a:hover { color: var(--ink); }
.docs-nav-group li a.active { color: var(--blue); border-left-color: var(--blue); }
.docs-nav-group li a[data-hidden="true"] { display: none; }

.docs-article { margin-bottom: 56px; scroll-margin-top: calc(var(--nav-height) + 70px); }
.docs-article h3 { font-size: 22px; margin-bottom: 14px; }
.docs-article h4 { font-size: 16px; margin: 24px 0 10px; }
.docs-article p { font-size: 15px; margin-bottom: 14px; }
.docs-article ul, .docs-article ol { padding-left: 22px; margin-bottom: 14px; }
.docs-article li { font-size: 14.5px; color: var(--ink-muted); margin-bottom: 6px; }

.step-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  margin-bottom: 10px;
}

/* --- Troubleshooting --- */
.trouble-item {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px 24px;
  margin-bottom: 16px;
}
.trouble-item h4 { font-size: 15.5px; margin-bottom: 10px; }
.trouble-row { display: flex; gap: 8px; margin-bottom: 6px; font-size: 14px; }
.trouble-row .trouble-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--ink-faint);
  min-width: 66px;
  padding-top: 2px;
}
.trouble-row p { font-size: 14px; margin: 0; }

/* --- FAQ accordion --- */
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: 16px;
}
.faq-question svg { flex-shrink: 0; transition: transform var(--dur-fast) var(--ease); width: 16px; height: 16px; }
.faq-question.open svg { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-med) var(--ease);
}
.faq-answer p { font-size: 14.5px; padding-bottom: 22px; max-width: 640px; }

/* --- Source stats --- */
.source-stats { display: flex; gap: 32px; margin: 24px 0 32px; }
.source-stat strong { display: block; font-family: var(--font-display); font-size: 26px; }
.source-stat span { font-size: 12.5px; color: var(--ink-faint); font-family: var(--font-mono); }

@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { position: static; }
  .quickstart-grid { grid-template-columns: repeat(3, 1fr); }
  .pm2-command-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .hub-hero-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .quickstart-grid { grid-template-columns: 1fr 1fr; }
  .pm2-command-grid { grid-template-columns: 1fr; }
  .source-stats { gap: 20px; }
  .hub-cta-row .btn { width: 100%; }
  .hub-cta-row { flex-direction: column; }
}

/* ==========================================================================
   HUB SHELL — sidebar + main content (Pretty-MD Developer Hub layout)
   ========================================================================== */
.hub-shell {
  display: block;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.hub-sidebar {
  display: none; /* shown on wide screens, see media query below */
}

.hub-main > section {
  padding: 64px 0;
  padding-left: 0;
  padding-right: 0;
  border-bottom: 1px solid var(--line);
  background: none !important; /* alternating full-bleed bands don't apply inside the sidebar shell */
}
.hub-main > section:last-child { border-bottom: none; }
.hub-main > section .container { max-width: none; padding: 0; }

@media (min-width: 1100px) {
  .hub-subnav { display: none; }

  .hub-shell {
    display: grid;
    grid-template-columns: 248px 1fr;
    align-items: start;
    gap: 48px;
    padding-top: 40px;
  }

  .hub-sidebar {
    display: flex;
    flex-direction: column;
    position: sticky;
    top: calc(var(--nav-height) + 24px);
    max-height: calc(100vh - var(--nav-height) - 48px);
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface-raised);
    padding: 18px;
  }

  .hub-sidebar-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 16px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
  }
  .hub-sidebar-head small { font-weight: 500; color: var(--ink-faint); font-size: 11px; font-family: var(--font-mono); }
  .hub-sidebar-logo { width: 32px; height: 32px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }

  .hub-sidebar-nav { display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
  .hub-sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
    padding: 9px 10px;
    border-radius: 6px;
    color: var(--ink-muted);
    transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  }
  .hub-sidebar-nav a i { width: 15px; text-align: center; color: var(--ink-faint); font-size: 12.5px; }
  .hub-sidebar-nav a:hover { background: var(--surface); color: var(--ink); }
  .hub-sidebar-nav a.active { background: var(--blue-dim); color: var(--blue); }
  .hub-sidebar-nav a.active i { color: var(--blue); }

  .hub-main { min-width: 0; }
}

.hub-sidebar-search-wrap {
  position: relative;
  margin-bottom: 14px;
}
.hub-sidebar-search-wrap svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--ink-faint); pointer-events: none; }
.hub-sidebar-search-wrap input {
  width: 100%;
  padding: 9px 12px 9px 34px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  font-size: 13px;
  color: var(--ink);
  font-family: var(--font-body);
}

.hub-search-results {
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-bottom: 14px;
  overflow: hidden;
}
.hub-search-results a {
  display: block;
  padding: 9px 12px;
  font-size: 13px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-muted);
}
.hub-search-results a:last-child { border-bottom: none; }
.hub-search-results a:hover { background: var(--surface); color: var(--ink); }
.hub-search-results .hub-search-empty { padding: 10px 12px; font-size: 12.5px; color: var(--ink-faint); }

/* ==========================================================================
   INTERACTIVE DEPLOYMENT TERMINAL
   ========================================================================== */
.term-window {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface-raised);
  box-shadow: 0 20px 60px -30px rgba(0,0,0,0.35);
}

.term-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.term-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.term-tab {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 7px 14px;
  border-radius: 6px;
  color: var(--ink-muted);
}
.term-tab.active { background: var(--ink); color: var(--bg); }

.term-live {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
}
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: #2ecc71; box-shadow: 0 0 0 0 rgba(46,204,113,0.6); animation: term-pulse 1.8s infinite; }
.term-live-sub { color: var(--ink-faint); }

@keyframes term-pulse {
  0% { box-shadow: 0 0 0 0 rgba(46,204,113,0.5); }
  70% { box-shadow: 0 0 0 7px rgba(46,204,113,0); }
  100% { box-shadow: 0 0 0 0 rgba(46,204,113,0); }
}

.term-body { display: grid; grid-template-columns: 1fr; }
@media (min-width: 900px) {
  .term-body { grid-template-columns: 1fr 260px; }
}

.term-pane { display: flex; flex-direction: column; min-width: 0; }

.term-chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #0d0e11;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.term-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.term-dot.red { background: #ff5f57; }
.term-dot.yellow { background: #febc2e; }
.term-dot.green { background: #28c840; }
.term-chrome-title { margin-left: 8px; font-family: var(--font-mono); font-size: 12px; color: #9aa1ab; }
.term-step-indicator { margin-left: auto; font-family: var(--font-mono); font-size: 11.5px; color: #6a6f78; }

.term-screen {
  background: #0a0b0d;
  color: #d7dae0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  padding: 18px;
  min-height: 320px;
  max-height: 420px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.term-line-cmd { color: #f3f4f6; }
.term-line-cmd::before { content: "$ "; color: #4c7dff; }
.term-line-out { color: #8b909a; }
.term-line-ok { color: #4fd67a; }
.term-line-err { color: #ff6b6b; }
.term-cursor { display: inline-block; width: 7px; height: 14px; background: #d7dae0; vertical-align: middle; animation: term-blink 1s steps(1) infinite; }
@keyframes term-blink { 50% { opacity: 0; } }

.term-progress-track { display: inline-block; width: 220px; max-width: 60vw; height: 8px; background: rgba(255,255,255,0.08); border-radius: 4px; overflow: hidden; vertical-align: middle; margin: 0 8px; }
.term-progress-fill { height: 100%; background: linear-gradient(90deg, var(--blue), var(--red)); width: 0%; transition: width 0.25s linear; }

.term-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}
.term-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  padding: 7px 12px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  color: var(--ink-muted);
}
.term-icon-btn:hover:not(:disabled) { border-color: var(--blue); color: var(--ink); }
.term-icon-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.term-icon-btn.copied { color: var(--blue); border-color: var(--blue); }

.term-steps { border-top: 1px solid var(--line); padding: 16px; }
@media (min-width: 900px) { .term-steps { border-top: none; border-left: 1px solid var(--line); } }
.term-steps h5 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  margin-bottom: 12px;
}
.term-steps ol { list-style: none; margin: 0; padding: 0; counter-reset: term-step; }
.term-steps li {
  counter-increment: term-step;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--ink-faint);
  padding: 7px 0;
}
.term-steps li::before {
  content: counter(term-step);
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  flex-shrink: 0;
}
.term-steps li.done { color: var(--ink-muted); }
.term-steps li.done::before { content: "✓"; background: var(--blue-dim); border-color: var(--blue); color: var(--blue); }
.term-steps li.current { color: var(--ink); font-weight: 600; }
.term-steps li.current::before { border-color: var(--blue); color: var(--blue); }

/* ==========================================================================
   COMMAND DIRECTORY
   ========================================================================== */
.cmd-toolbar { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.cmd-search-wrap { flex: 1 1 260px; margin-bottom: 0; max-width: 340px; }
.cmd-filters { display: flex; flex-wrap: wrap; gap: 6px; }
.cmd-filter {
  font-size: 12.5px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink-muted);
}
.cmd-filter.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.cmd-table-wrap { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.cmd-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.cmd-table th, .cmd-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.cmd-table th { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-faint); background: var(--surface); }
.cmd-table td code { font-family: var(--font-mono); background: var(--surface); padding: 2px 6px; border-radius: 4px; }
.cmd-table tbody tr:last-child td { border-bottom: none; }
.cmd-empty { display: none; flex-direction: column; align-items: center; text-align: center; gap: 12px; padding: 48px 24px; color: var(--ink-faint); }
.cmd-empty.visible { display: flex; }
.cmd-empty i { font-size: 26px; }
.cmd-empty p { max-width: 480px; font-size: 13.5px; }
.cmd-table.hidden { display: none; }

/* ==========================================================================
   PLUGIN CARDS
   ========================================================================== */
.plugin-card { text-align: left; }
.plugin-card .service-icon { margin-bottom: 18px; }
.plugin-card h3 { font-size: 17px; margin-bottom: 8px; }
.plugin-card p { font-size: 14px; margin-bottom: 16px; }

/* --- Difficulty indicators (Deployment Center) --- */
.deploy-difficulty { display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.04em; padding: 4px 8px; border-radius: 4px; }
.deploy-difficulty.beginner { color: #1f9d55; background: rgba(31,157,85,0.12); }
.deploy-difficulty.intermediate { color: #b8860b; background: rgba(184,134,11,0.12); }
.deploy-difficulty.advanced { color: var(--red); background: var(--red-dim); }