:root {
  --mdb-bg: #171412;
  --mdb-bg-elev: #211d1a;
  --mdb-bg-card: #28231f;
  --mdb-bg-code: #120f0d;
  --mdb-border: #3d342e;
  --mdb-border-strong: #6b5344;
  --mdb-text: #f5f0ea;
  --mdb-muted: #bdb0a3;
  --mdb-copper: #e07a2c;
  --mdb-copper-bright: #f59e0b;
  --mdb-copper-deep: #9a3412;
  --mdb-teal: #2dd4bf;
  --mdb-alert-bg: #2f1916;
  --mdb-alert-border: #dc2626;
  --mdb-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mdb-font-mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background: var(--mdb-bg);
  color: var(--mdb-text);
  font-family: var(--mdb-font-sans);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--mdb-bg);
  color: var(--mdb-text);
}

a {
  color: var(--mdb-copper-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: #fde68a;
}

code, pre, kbd {
  font-family: var(--mdb-font-mono);
}

/* Masthead */
.mdb-mast {
  background: #13100e;
  border-bottom: 2px solid var(--mdb-copper);
  position: sticky;
  top: 0;
  z-index: 40;
}

.mdb-mast-bar {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
}

.mdb-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--mdb-text);
}

.mdb-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--mdb-copper), var(--mdb-copper-deep));
  color: #fffaf5;
  font-family: var(--mdb-font-mono);
  font-weight: 800;
  font-size: 0.95rem;
  border: 1px solid #fdba74;
}

.mdb-brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.18;
}

.mdb-brand-copy strong {
  font-size: 1.06rem;
  letter-spacing: -0.01em;
  color: #fff7ed;
}

.mdb-brand-copy span {
  font-size: 0.72rem;
  font-family: var(--mdb-font-mono);
  color: var(--mdb-muted);
}

.mdb-top-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.95rem;
  font-size: 0.88rem;
}

.mdb-top-nav a {
  color: #e7ded5;
  text-decoration: none;
  font-weight: 600;
  padding: 0.25rem 0.4rem;
  border-radius: 4px;
}

.mdb-top-nav a:hover {
  background: var(--mdb-bg-card);
  color: var(--mdb-copper-bright);
}

.mdb-locale-pill {
  font-family: var(--mdb-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.32rem 0.68rem;
  border-radius: 5px;
  border: 1px solid var(--mdb-copper);
  background: #2b1d14;
  color: #fed7aa;
  text-decoration: none;
}

/* Top Affiliate Disclosure Banner */
.mdb-aff-banner {
  background: #1e1814;
  border-bottom: 1px solid var(--mdb-border);
  padding: 0.55rem 1.25rem;
}

.mdb-aff-banner p {
  max-width: 1240px;
  margin: 0 auto;
  font-size: 0.8rem;
  color: var(--mdb-muted);
  line-height: 1.45;
}

/* Main Workbench Container */
.mdb-workbench {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.6rem 1.25rem 3rem;
}

/* Intro Section */
.mdb-intro {
  margin-bottom: 1.5rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--mdb-border);
}

.mdb-kicker {
  display: inline-block;
  font-family: var(--mdb-font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mdb-copper-bright);
  margin-bottom: 0.35rem;
}

.mdb-intro h1,
.mdb-guide-head h1,
.mdb-legal-head h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.55rem, 2.6vw, 2.25rem);
  line-height: 1.22;
  color: #fffaf5;
  letter-spacing: -0.015em;
}

.mdb-intro p,
.mdb-guide-lead,
.mdb-legal-lead {
  margin: 0;
  max-width: 82ch;
  color: #dcd3c9;
  font-size: 0.98rem;
}

/* LF5 Split-Pane Configurator Grid */
.mdb-split-grid {
  display: grid;
  grid-template-columns: minmax(320px, 450px) minmax(0, 1fr);
  gap: 1.35rem;
  align-items: start;
  margin-bottom: 2.4rem;
}

@media (max-width: 940px) {
  .mdb-split-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.mdb-inputs {
  background: var(--mdb-bg-elev);
  border: 1px solid var(--mdb-border);
  border-top: 3px solid var(--mdb-copper);
  border-radius: 8px;
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}

.mdb-control-row {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
}

.mdb-control-row label {
  font-size: 0.86rem;
  font-weight: 700;
  color: #f8efe6;
}

.mdb-control-row input,
.mdb-control-row select {
  width: 100%;
  padding: 0.56rem 0.7rem;
  border-radius: 6px;
  border: 1px solid var(--mdb-border-strong);
  background: var(--mdb-bg-code);
  color: #fff7ed;
  font-family: var(--mdb-font-mono);
  font-size: 0.88rem;
}

.mdb-control-row input:focus,
.mdb-control-row select:focus {
  outline: 2px solid var(--mdb-copper-bright);
  outline-offset: 1px;
}

.mdb-control-row small {
  font-size: 0.76rem;
  color: var(--mdb-muted);
  line-height: 1.4;
}

.mdb-tree-verdict {
  margin: 0.35rem 0 0;
  padding: 0.85rem 0.95rem;
  background: var(--mdb-bg-code);
  border-left: 3px solid var(--mdb-teal);
  border-radius: 6px;
  border-top: 1px solid var(--mdb-border);
  border-right: 1px solid var(--mdb-border);
  border-bottom: 1px solid var(--mdb-border);
}

.mdb-branch-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.8rem;
}

.mdb-branch-list li {
  line-height: 1.45;
  color: #e5dcd3;
}

.mdb-branch-list code {
  display: inline-block;
  background: #231d19;
  color: var(--mdb-teal);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.74rem;
  margin-bottom: 0.15rem;
}

.mdb-branch-list em {
  font-style: normal;
  color: #fde68a;
  font-weight: 600;
}

/* Right Pane: Live 50-server.cnf Preview */
.mdb-cnf-output {
  background: var(--mdb-bg-elev);
  border: 1px solid var(--mdb-border);
  border-top: 3px solid var(--mdb-teal);
  border-radius: 8px;
  padding: 1.1rem;
  position: sticky;
  top: 4.5rem;
}

@media (max-width: 940px) {
  .mdb-cnf-output {
    position: static;
  }
}

.mdb-cnf-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--mdb-border);
}

.mdb-cnf-bar strong {
  font-family: var(--mdb-font-mono);
  font-size: 0.85rem;
  color: var(--mdb-teal);
}

.mdb-cnf-bar button {
  cursor: pointer;
  font-family: var(--mdb-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.42rem 0.75rem;
  border-radius: 5px;
  border: 1px solid var(--mdb-copper);
  background: var(--mdb-copper);
  color: #16110d;
}

#mdb-dl-btn {
  background: #29221d;
  color: #fed7aa;
  border-color: var(--mdb-border-strong);
}

.mdb-cnf-bar button:hover {
  filter: brightness(1.08);
}

.mdb-pre {
  margin: 0 0 0.85rem;
  padding: 0.95rem 1rem;
  background: var(--mdb-bg-code);
  border: 1px solid var(--mdb-border);
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #e7f5f2;
  max-height: 540px;
}

#mdb-ram-meter {
  width: 100%;
  height: 1.1rem;
  margin-bottom: 0.45rem;
}

#mdb-ram-summary {
  margin: 0;
  font-size: 0.82rem;
  font-family: var(--mdb-font-mono);
  color: #d6cbc0;
}

/* Parameter Guide (<dl.mdb-guc-list>) */
.mdb-param-guide,
.mdb-vendor-ledger,
.mdb-hub-cards,
.mdb-faq-zone {
  margin-top: 2.3rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--mdb-border);
}

.mdb-param-guide h2,
.mdb-vendor-ledger h2,
.mdb-hub-cards h2,
.mdb-faq-zone h2,
.mdb-guide-sec h2 {
  margin: 0 0 0.55rem;
  font-size: 1.38rem;
  color: #fff7ed;
}

.mdb-sec-intro {
  margin: 0 0 1.15rem;
  color: var(--mdb-muted);
  max-width: 82ch;
}

.mdb-guc-list {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(230px, 310px) minmax(0, 1fr);
  gap: 0.9rem 1.25rem;
  background: var(--mdb-bg-elev);
  border: 1px solid var(--mdb-border);
  border-radius: 8px;
  padding: 1.15rem 1.25rem;
}

@media (max-width: 780px) {
  .mdb-guc-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.35rem;
  }
}

.mdb-guc-list dt {
  font-weight: 700;
  padding-top: 0.25rem;
}

.mdb-guc-list dt code {
  color: var(--mdb-copper-bright);
  font-size: 0.88rem;
  background: var(--mdb-bg-code);
  border: 1px solid var(--mdb-border);
  padding: 0.22rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
}

.mdb-guc-list dd {
  margin: 0;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--mdb-border);
  color: #dfd6cd;
  font-size: 0.9rem;
}

.mdb-guc-list dd:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.mdb-guc-list dd p {
  margin: 0 0 0.45rem;
}

.mdb-guc-list dd p:last-child {
  margin-bottom: 0;
}

/* Vendor Pricing Ledger Table */
.mdb-table-scroll {
  overflow-x: auto;
  border: 1px solid var(--mdb-border);
  border-radius: 8px;
  background: var(--mdb-bg-elev);
}

.mdb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.87rem;
}

.mdb-table th,
.mdb-table td {
  padding: 0.75rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--mdb-border);
  vertical-align: top;
}

.mdb-table th {
  background: #1c1815;
  color: #fed7aa;
  font-family: var(--mdb-font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.mdb-table tr.mdb-tier-matched {
  background: rgba(224, 122, 44, 0.14);
  outline: 1px solid var(--mdb-copper);
}

.mdb-cite-url {
  display: block;
  font-style: normal;
  font-family: var(--mdb-font-mono);
  font-size: 0.72rem;
  color: var(--mdb-muted);
  margin-top: 0.2rem;
  word-break: break-all;
}

.mdb-go-btn {
  display: inline-block;
  padding: 0.42rem 0.72rem;
  border-radius: 5px;
  background: var(--mdb-copper);
  color: #17120e;
  font-weight: 700;
  font-size: 0.8rem;
  text-decoration: none;
  white-space: nowrap;
}

.mdb-go-btn:hover {
  background: var(--mdb-copper-bright);
  color: #120e0a;
}

.mdb-price-note {
  margin: 0.8rem 0 0;
  font-size: 0.82rem;
  color: var(--mdb-muted);
}

/* Navigation Hub Cards */
.mdb-card-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.mdb-guide-card {
  background: var(--mdb-bg-elev);
  border: 1px solid var(--mdb-border);
  border-radius: 7px;
  padding: 1rem 1.05rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.65rem;
}

.mdb-guide-card h3 {
  margin: 0.2rem 0 0.35rem;
  font-size: 1.02rem;
  line-height: 1.35;
}

.mdb-guide-card h3 a {
  color: #fff7ed;
  text-decoration: none;
}

.mdb-guide-card h3 a:hover {
  color: var(--mdb-copper-bright);
}

.mdb-guide-card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--mdb-muted);
}

.mdb-badge-tag {
  font-family: var(--mdb-font-mono);
  font-size: 0.71rem;
  color: var(--mdb-teal);
}

/* FAQ Zone (<section.mdb-faq-zone><article.mdb-qa>) */
.mdb-qa {
  background: var(--mdb-bg-elev);
  border: 1px solid var(--mdb-border);
  border-radius: 7px;
  padding: 1rem 1.15rem;
  margin-bottom: 0.85rem;
}

.mdb-qa h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  color: #fde68a;
}

.mdb-qa p {
  margin: 0;
  color: #e2d9cf;
  font-size: 0.92rem;
}

/* Subpages (<article.mdb-guide-sheet> + <dl.mdb-spec-strip>) */
.mdb-telemetry-pending {
  background: var(--mdb-alert-bg);
  border: 2px solid var(--mdb-alert-border);
  border-radius: 8px;
  padding: 0.95rem 1.1rem;
  margin-bottom: 1.35rem;
}

.mdb-telemetry-pending p {
  margin: 0;
  color: #fecaca;
  font-size: 0.9rem;
  font-weight: 600;
}

.mdb-crumbs {
  font-family: var(--mdb-font-mono);
  font-size: 0.78rem;
  color: var(--mdb-muted);
  margin-bottom: 0.9rem;
}

.mdb-guide-sheet {
  background: var(--mdb-bg-elev);
  border: 1px solid var(--mdb-border);
  border-radius: 9px;
  padding: 1.4rem;
}

.mdb-spec-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(195px, 1fr));
  gap: 0.8rem;
  margin: 1.15rem 0 1.5rem;
  padding: 0.9rem;
  background: var(--mdb-bg-code);
  border: 1px solid var(--mdb-border);
  border-radius: 7px;
}

.mdb-spec-cell dt {
  font-family: var(--mdb-font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--mdb-muted);
}

.mdb-spec-cell dd {
  margin: 0.2rem 0 0;
  font-family: var(--mdb-font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--mdb-teal);
}

.mdb-guide-sec {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--mdb-border);
}

.mdb-guide-sec p {
  margin: 0 0 0.8rem;
  color: #e4dbd1;
}

.mdb-preset-link {
  display: inline-block;
  margin-top: 0.55rem;
  padding: 0.48rem 0.85rem;
  border-radius: 5px;
  border: 1px solid var(--mdb-teal);
  background: #132a27;
  color: #99f6e4;
  font-family: var(--mdb-font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
}

.mdb-host-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0.9rem;
  margin-top: 0.8rem;
}

.mdb-host-box {
  background: var(--mdb-bg-code);
  border: 1px solid var(--mdb-border);
  border-radius: 7px;
  padding: 0.95rem;
}

.mdb-host-box h3 {
  margin: 0.2rem 0 0.4rem;
  font-size: 0.96rem;
  color: #fff7ed;
}

.mdb-host-box p {
  margin: 0 0 0.65rem;
  font-size: 0.82rem;
  color: var(--mdb-muted);
}

/* Legal & Compliance Pages (<section.mdb-legal-wrap>) */
.mdb-legal-wrap {
  max-width: 980px;
}

.mdb-legal-head {
  margin-bottom: 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--mdb-border);
}

.mdb-legal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.mdb-legal-card {
  background: var(--mdb-bg-elev);
  border: 1px solid var(--mdb-border);
  border-left: 3px solid var(--mdb-copper);
  border-radius: 7px;
  padding: 1.1rem 1.25rem;
}

.mdb-legal-card h2 {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
  color: #fde68a;
}

.mdb-legal-card p {
  margin: 0 0 0.65rem;
  color: #e2d9cf;
}

.mdb-legal-card p:last-child {
  margin-bottom: 0;
}

/* Footer Colophon */
.mdb-colophon {
  margin-top: 3rem;
  background: #120f0d;
  border-top: 2px solid var(--mdb-border);
  padding: 1.8rem 1.25rem 2.2rem;
}

.mdb-colophon-inner {
  max-width: 1240px;
  margin: 0 auto;
}

.mdb-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.2rem;
  margin-bottom: 1rem;
  font-size: 0.84rem;
}

.mdb-foot-note,
.mdb-foot-copy {
  margin: 0 0 0.55rem;
  font-size: 0.8rem;
  color: var(--mdb-muted);
  max-width: 96ch;
}