/*
 * operator.css
 * Operator Log: Off-Clock Protocol
 *
 * Visual system: dark charcoal base, lemon-yellow accent, monospace typography.
 * Aesthetic: classified file, static archive, operator badge, redacted document.
 * Not cyberpunk. Not Bootstrap admin. Intentional, editorial, art-directed.
 */

/* ─── Google Font Import ──────────────────────────────────────────────────── */
@import url("https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap");

/* ─── Custom Properties ───────────────────────────────────────────────────── */
:root {
  --op-base: #0e0f0c;
  --op-surface: #131410;
  --op-surface-2: #1a1c17;
  --op-border: #2a2d24;
  --op-border-bright: #3d4233;
  --op-text: #c8c9b8;
  --op-text-dim: #5e6055;
  --op-text-muted: #3a3d32;
  --op-yellow: #d4b800;
  --op-yellow-bright: #f0ce00;
  --op-yellow-dim: #a08c00;
  --op-yellow-faint: rgb(212 184 0 / 0.08);
  --op-red: #8b2c2c;
  --op-red-dim: rgb(139 44 44 / 0.15);
  --op-font-mono: "Space Mono", "Courier New", Courier, monospace;
  --op-radius: 0px;
  --op-transition: 160ms ease;
  --touch-target: 44px;
}

/* ─── Reset & Base ─────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body.operator-page {
  min-height: 100vh;
  background-color: var(--op-base);
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 3px,
      rgb(255 255 255 / 0.012) 3px,
      rgb(255 255 255 / 0.012) 4px
    );
  color: var(--op-text);
  font-family: var(--op-font-mono);
  font-size: 13px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--op-yellow);
  text-decoration: none;
}

a:hover {
  color: var(--op-yellow-bright);
  text-decoration: underline;
}

/* ─── Page Shell ───────────────────────────────────────────────────────────── */
.op-shell {
  display: grid;
  min-height: 100vh;
  grid-template-rows: auto 1fr auto;
}

/* ─── Header / Classification Bar ─────────────────────────────────────────── */
.op-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  min-height: 40px;
  padding: 0 24px;
  border-bottom: 1px solid var(--op-border);
  background-color: var(--op-base);
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 3px,
      rgb(255 255 255 / 0.012) 3px,
      rgb(255 255 255 / 0.012) 4px
    );
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
}

.op-header__classify {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--op-text-dim);
}

.op-header__classify::before {
  content: "▌";
  color: var(--op-yellow);
  font-size: 14px;
}

.op-header__back {
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--op-text-dim);
  transition: color var(--op-transition);
}

.op-header__back:hover {
  color: var(--op-yellow);
  text-decoration: none;
}

.op-header__phase {
  font-size: 10px;
  color: var(--op-text-muted);
  letter-spacing: 0.06em;
}

/* ─── Main Content ─────────────────────────────────────────────────────────── */
.op-main {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* ─── Loading State ─────────────────────────────────────────────────────────── */
.op-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 40vh;
  gap: 16px;
  color: var(--op-text-dim);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.op-loading__spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--op-border-bright);
  border-top-color: var(--op-yellow);
  border-radius: 50%;
  animation: op-spin 1s linear infinite;
}

@keyframes op-spin {
  to { transform: rotate(360deg); }
}

/* ─── Error State ───────────────────────────────────────────────────────────── */
.op-error {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--op-red);
  background: var(--op-red-dim);
}

.op-error__kicker {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--op-yellow);
}

.op-error h2 {
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--op-text);
}

.op-error p {
  font-size: 13px;
  color: var(--op-text-dim);
  line-height: 1.55;
}

/* ─── File Header ───────────────────────────────────────────────────────────── */
.op-file-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--op-border);
  animation: op-fade-in 0.4s ease both;
}

.op-file-stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 4px 10px;
  border: 1px solid var(--op-yellow-dim);
  background: var(--op-yellow-faint);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--op-yellow);
}

.op-file-stamp::before {
  content: "●";
  font-size: 7px;
  animation: op-blink 2.4s step-end infinite;
}

@keyframes op-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

.op-headline {
  font-size: clamp(36px, 7vw, 64px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--op-text);
  margin-bottom: 14px;
}

.op-subhead {
  font-size: 13px;
  color: var(--op-text-dim);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.op-status-line {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--op-border-bright);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--op-text-dim);
}

.op-status-line.is-restricted {
  border-color: var(--op-red);
  color: #c05050;
}

.op-status-line.is-cleared {
  border-color: var(--op-yellow-dim);
  color: var(--op-yellow);
}

/* ─── Visit Flavor Text ─────────────────────────────────────────────────────── */
.op-flavor {
  display: block;
  margin-top: 16px;
  font-size: 10px;
  color: var(--op-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: op-fade-in 0.8s ease 0.3s both;
}

/* ─── Locked State ──────────────────────────────────────────────────────────── */
.op-locked-panel {
  position: relative;
  padding: 32px;
  border: 1px solid var(--op-border);
  background: var(--op-surface);
  text-align: center;
  animation: op-fade-in 0.4s ease both;
}

.op-locked-panel::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 10px,
    rgb(255 255 255 / 0.015) 10px,
    rgb(255 255 255 / 0.015) 11px
  );
  content: "";
}

.op-locked-panel > * {
  position: relative;
}

.op-locked-icon {
  display: block;
  margin: 0 auto 20px;
  width: 36px;
  height: 36px;
  border: 2px solid var(--op-border-bright);
  border-radius: 50%;
  line-height: 32px;
  text-align: center;
  font-size: 16px;
  color: var(--op-text-dim);
}

.op-locked-copy {
  max-width: 380px;
  margin: 0 auto 28px;
  font-size: 13px;
  color: var(--op-text-dim);
  line-height: 1.6;
}

/* ─── Clock Out Button ──────────────────────────────────────────────────────── */
/* Hidden in plain sight — looks like a status label, is actually a button */
.op-clock-out {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: var(--touch-target);
  padding: 8px 20px;
  border: 1px solid var(--op-border-bright);
  background: transparent;
  color: var(--op-text-dim);
  font-family: var(--op-font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--op-transition), color var(--op-transition), background var(--op-transition);
}

.op-clock-out:hover {
  border-color: var(--op-yellow-dim);
  color: var(--op-yellow);
  background: var(--op-yellow-faint);
}

.op-clock-out::before {
  content: "○";
  font-size: 10px;
}

/* ─── Unlock Toast ──────────────────────────────────────────────────────────── */
.op-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid var(--op-yellow-dim);
  background: var(--op-surface-2);
  color: var(--op-yellow);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 4px 24px rgb(0 0 0 / 0.5);
  animation: op-toast-in 0.3s ease both;
}

.op-toast::before {
  content: "✓";
}

@keyframes op-toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Content Blocks ─────────────────────────────────────────────────────────── */
.op-blocks {
  display: flex;
  flex-direction: column;
  gap: 40px;
  animation: op-fade-in 0.5s ease 0.1s both;
}

@keyframes op-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Text block */
.op-block-text {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--op-border);
}

.op-block-kicker {
  display: block;
  margin-bottom: 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--op-yellow);
}

.op-block-title {
  margin-bottom: 16px;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--op-text);
}

.op-block-body {
  max-width: 640px;
  font-size: 14px;
  color: var(--op-text);
  line-height: 1.7;
  opacity: 0.85;
}

/* Quote block */
.op-block-quote {
  position: relative;
  padding: 28px 32px;
  border: 1px solid var(--op-border);
  background: var(--op-surface);
}

.op-block-quote blockquote {
  font-size: clamp(15px, 2.2vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--op-text);
  letter-spacing: -0.01em;
}

.op-block-quote blockquote::before {
  content: "\"";
  color: var(--op-yellow-dim);
  margin-right: 2px;
}

.op-block-quote blockquote::after {
  content: "\"";
  color: var(--op-yellow-dim);
  margin-left: 2px;
}

/* Evidence block */
.op-block-evidence {
  padding: 0;
}

.op-evidence-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--op-border);
}

.op-evidence-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--op-yellow);
}

.op-evidence-count {
  font-size: 10px;
  color: var(--op-text-muted);
}

.op-evidence-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.op-evidence-item {
  padding: 20px;
  border: 1px solid var(--op-border);
  background: var(--op-surface);
  transition: border-color var(--op-transition);
}

.op-evidence-item:hover {
  border-color: var(--op-border-bright);
}

.op-evidence-img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  margin-bottom: 16px;
  background: var(--op-surface-2);
  border: 1px solid var(--op-border);
  font-size: 10px;
  color: var(--op-text-muted);
}

.op-evidence-img-placeholder {
  display: flex;
  width: 100%;
  aspect-ratio: 16 / 9;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border: 1px dashed var(--op-border);
  background: var(--op-surface-2);
  font-size: 10px;
  color: var(--op-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.op-evidence-title {
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--op-text);
  letter-spacing: 0.02em;
}

.op-evidence-desc {
  font-size: 12px;
  color: var(--op-text-dim);
  line-height: 1.55;
}

/* ─── Redacted / Blurred locked content ─────────────────────────────────────── */
.op-blocks--locked .op-block-text,
.op-blocks--locked .op-block-evidence {
  position: relative;
  user-select: none;
}

.op-blocks--locked .op-block-text::after,
.op-blocks--locked .op-block-evidence::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 20%, var(--op-base) 80%);
  content: "";
  pointer-events: none;
}

.op-blocks--locked .op-block-body {
  filter: blur(4px);
  opacity: 0.4;
  pointer-events: none;
}

.op-blocks--locked .op-evidence-desc {
  filter: blur(3px);
  opacity: 0.3;
}

/* ─── Footer ─────────────────────────────────────────────────────────────────── */
.op-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
  min-height: 40px;
  padding: 0 24px;
  border-top: 1px solid var(--op-border);
  background: var(--op-surface);
}

.op-footer__left,
.op-footer__right {
  font-size: 10px;
  color: var(--op-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.op-footer__right a {
  color: var(--op-text-muted);
  transition: color var(--op-transition);
}

.op-footer__right a:hover {
  color: var(--op-yellow);
  text-decoration: none;
}

/* ─── Hint strip ─────────────────────────────────────────────────────────────── */
.op-hint-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 48px;
  padding: 14px 20px;
  border: 1px solid var(--op-border);
  background: var(--op-surface);
  font-size: 11px;
  color: var(--op-text-muted);
  letter-spacing: 0.06em;
}

.op-hint-strip::before {
  content: "//";
  color: var(--op-yellow-dim);
  flex-shrink: 0;
}

/* ─── Skip link ──────────────────────────────────────────────────────────────── */
.op-skip {
  position: absolute;
  top: -60px;
  left: 0;
  padding: 8px 16px;
  background: var(--op-yellow);
  color: var(--op-base);
  font-weight: 700;
  font-size: 12px;
  transition: top 0.15s;
  z-index: 999;
}

.op-skip:focus {
  top: 0;
}

/* ─── Divider ─────────────────────────────────────────────────────────────────── */
.op-divider {
  border: none;
  border-top: 1px solid var(--op-border);
  margin: 0;
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .op-main {
    padding: 32px 16px 60px;
  }

  .op-header {
    padding: 0 16px;
    flex-wrap: wrap;
    min-height: var(--touch-target);
    padding-block: 8px;
  }

  .op-header__classify,
  .op-header__phase,
  .op-header__back {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .op-locked-panel {
    padding: 24px 16px;
  }

  .op-block-quote {
    padding: 20px 20px;
  }

  .op-evidence-grid {
    grid-template-columns: 1fr;
  }

  .op-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 12px 16px;
  }

  .op-toast {
    right: 16px;
    left: 16px;
    bottom: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ─── Blog Index ────────────────────────────────────────────────────────────── */
.op-blog-index {
  animation: op-fade-in 0.4s ease both;
}

.op-blog-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--op-border);
}

.op-entries {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.op-entry-card {
  padding: 24px;
  border: 1px solid var(--op-border);
  background: var(--op-surface);
  transition: border-color var(--op-transition);
}

.op-entry-card:hover {
  border-color: var(--op-border-bright);
}

.op-entry-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.op-entry-card__date {
  font-size: 10px;
  color: var(--op-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.op-entry-card__tag {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--op-border-bright);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--op-text-dim);
}

.op-entry-card__tag--shipped {
  border-color: var(--op-yellow-dim);
  color: var(--op-yellow);
  background: var(--op-yellow-faint);
}

.op-entry-card__tag--experiment {
  border-color: var(--op-border-bright);
  color: var(--op-text-dim);
}

.op-entry-card__project {
  font-size: 10px;
  color: var(--op-text-dim);
  letter-spacing: 0.06em;
}

.op-entry-card__title {
  margin-bottom: 12px;
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--op-text);
}

.op-entry-card__title a {
  color: inherit;
  text-decoration: none;
}

.op-entry-card__title a:hover {
  color: var(--op-yellow);
  text-decoration: none;
}

.op-entry-card__excerpt {
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--op-text-dim);
  line-height: 1.6;
  max-width: 640px;
}

.op-entry-card__links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.op-entry-card__cta,
.op-entry-card__project-link {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--op-yellow);
  transition: color var(--op-transition);
}

.op-entry-card__cta:hover,
.op-entry-card__project-link:hover {
  color: var(--op-yellow-bright);
  text-decoration: none;
}

/* ─── Article Layout ────────────────────────────────────────────────────────── */
.op-article {
  animation: op-fade-in 0.4s ease both;
}

.op-article-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--op-border);
}

.op-article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.op-article-date {
  font-size: 10px;
  color: var(--op-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.op-article-tag {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--op-border-bright);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--op-text-dim);
}

.op-article-tag--shipped {
  border-color: var(--op-yellow-dim);
  color: var(--op-yellow);
  background: var(--op-yellow-faint);
}

.op-article-tag--experiment {
  border-color: var(--op-border-bright);
  color: var(--op-text-dim);
}

.op-article-project {
  font-size: 10px;
  color: var(--op-text-dim);
  letter-spacing: 0.06em;
}

.op-article-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.op-section {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--op-border);
}

.op-section:last-of-type {
  border-bottom: none;
}

.op-section-title {
  margin-bottom: 16px;
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--op-text);
}

.op-section p {
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--op-text);
  line-height: 1.7;
  opacity: 0.85;
  max-width: 640px;
}

.op-section p:last-child {
  margin-bottom: 0;
}

.op-figure {
  max-width: 760px;
  margin: 28px 0 0;
}

.op-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--op-border-bright);
  background: var(--op-surface);
}

.op-figure figcaption {
  margin-top: 10px;
  font-size: 11px;
  color: var(--op-text-dim);
  line-height: 1.6;
}

.op-code {
  max-width: 640px;
  overflow-x: auto;
  margin: 20px 0;
  padding: 16px 20px;
  border: 1px solid var(--op-border);
  background: var(--op-surface);
  color: var(--op-text);
  font: 12px/1.7 var(--op-font-mono);
  white-space: pre;
}

.op-callout {
  padding: 20px;
  border: 1px solid var(--op-border);
  background: var(--op-surface);
  margin: 24px 0;
}

.op-callout-title {
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--op-yellow);
  letter-spacing: 0.06em;
}

.op-list {
  margin: 0;
  padding-left: 20px;
  list-style: none;
}

.op-list li {
  position: relative;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--op-text);
  line-height: 1.6;
  opacity: 0.85;
}

.op-list li:last-child {
  margin-bottom: 0;
}

.op-list li::before {
  content: "→";
  position: absolute;
  left: -20px;
  color: var(--op-yellow-dim);
}

.op-list--numbered {
  padding-left: 24px;
  list-style: decimal;
}

.op-list--numbered li::before {
  content: none;
}

.op-related {
  padding: 20px;
  border: 1px solid var(--op-border);
  background: var(--op-surface);
}

.op-related-title {
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--op-text-dim);
  letter-spacing: 0.08em;
}

.op-related-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.op-related-link {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--op-yellow);
  transition: color var(--op-transition);
}

.op-related-link:hover {
  color: var(--op-yellow-bright);
  text-decoration: none;
}

.op-status-box {
  padding: 20px;
  border: 1px solid var(--op-border);
  background: var(--op-surface);
}

.op-status-title {
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--op-yellow);
  letter-spacing: 0.08em;
}

.op-status-box p {
  font-size: 13px;
  color: var(--op-text-dim);
  line-height: 1.6;
  margin: 0;
}

/* ─── Entry Navigation ──────────────────────────────────────────────────────── */
.op-entry-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--op-border);
  flex-wrap: wrap;
}

.op-entry-nav__prev,
.op-entry-nav__next {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--op-text-dim);
  transition: color var(--op-transition);
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
}

.op-entry-nav__prev:hover,
.op-entry-nav__next:hover {
  color: var(--op-yellow);
  text-decoration: none;
}

/* ─── Responsive Blog ───────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .op-entry-card {
    padding: 16px;
  }

  .op-entry-card__meta {
    gap: 8px;
  }

  .op-entry-card__links {
    flex-direction: column;
    gap: 12px;
  }

  .op-article {
    padding: 0;
  }

  .op-article-header {
    padding-bottom: 24px;
    margin-bottom: 32px;
  }

  .op-article-meta {
    gap: 8px;
  }

  .op-section {
    padding-bottom: 24px;
  }

  .op-callout {
    padding: 16px;
    margin: 16px 0;
  }

  .op-related {
    padding: 16px;
  }

  .op-related-links {
    flex-direction: column;
    gap: 12px;
  }

  .op-entry-nav {
    flex-direction: column;
    gap: 12px;
    padding-top: 24px;
  }
}

/* ─── Operator Hub Page & Dark Sidebar System ─────────────────────────────── */
body.operator-hub-page {
  min-height: 100vh;
  background-color: var(--op-base, #0e0f0c);
  color: var(--op-text, #c8c9b8);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body.operator-hub-page .site-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
  background-color: var(--op-base, #0e0f0c);
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgb(255 255 255 / 0.012) 3px,
    rgb(255 255 255 / 0.012) 4px
  );
}

/* Dark Operator Sidebar */
body.operator-hub-page .sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  max-height: 100vh;
  overflow-y: auto;
  padding: 24px 16px;
  background-color: #121410;
  border-right: 1px solid #282a24;
  box-sizing: border-box;
}

body.operator-hub-page .sidebar__brand-block {
  margin-bottom: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid #282a24;
}

body.operator-hub-page .sidebar__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

body.operator-hub-page .sidebar__group-label {
  display: block;
  margin-bottom: 4px;
  color: #727467;
  font-family: "Courier New", Courier, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Nav Cards in Dark Theme */
body.operator-hub-page .sidebar__nav-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid #282a24;
  border-radius: var(--radius-sm, 4px);
  background-color: #161814;
  color: #c8c9b8;
  text-decoration: none;
  font-family: "Courier New", Courier, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
  box-sizing: border-box;
}

body.operator-hub-page .sidebar__nav-card:hover,
body.operator-hub-page .sidebar__nav-card:focus-visible {
  border-color: #d4b800;
  background-color: #1c1f18;
  color: #f4f3ec;
  transform: translateX(2px);
  box-shadow: 2px 2px 0 rgb(0 0 0 / 0.4);
}

body.operator-hub-page .sidebar__nav-card-label {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: inherit;
}

body.operator-hub-page .sidebar__nav-card-badge {
  margin-left: 8px;
  color: #6e7064;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 140ms ease;
}

body.operator-hub-page .sidebar__nav-card-arrow {
  margin-left: 8px;
  color: #6e7064;
  font-size: 13px;
  flex-shrink: 0;
  transition: transform 140ms ease, color 140ms ease;
}

body.operator-hub-page .sidebar__nav-card:hover .sidebar__nav-card-badge,
body.operator-hub-page .sidebar__nav-card:hover .sidebar__nav-card-arrow {
  color: #d4b800;
}

/* Active State for Operator's Log */
body.operator-hub-page .sidebar__nav-card.is-active,
body.operator-hub-page .sidebar__nav-card[aria-current="page"] {
  border-color: #d4b800;
  background-color: #1e2118;
  color: #f4f3ec;
  box-shadow: inset 3px 0 0 #d4b800;
  transform: none;
}

body.operator-hub-page .sidebar__nav-card.is-active .sidebar__nav-card-badge {
  color: #f0ce00;
}

body.operator-hub-page .sidebar__nav-card.is-active .sidebar__nav-card-arrow {
  color: #f0ce00;
}

/* Experiments & Utilities Cards */
body.operator-hub-page .sidebar__nav-card--random {
  background-color: #161814;
}

body.operator-hub-page .sidebar__nav-card--random #random-artifact-id {
  color: #f0ce00;
  opacity: 0.85;
}

body.operator-hub-page .sidebar__nav-card--random:hover #random-artifact-id {
  opacity: 1;
}

body.operator-hub-page .sidebar__nav-card--drawer {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  min-height: 48px;
  padding: 8px 12px;
  background-color: #161814;
  border-color: #282a24;
  text-align: center;
}

body.operator-hub-page .sidebar__nav-card--drawer:hover {
  background-color: #1c1f18;
  border-color: #d4b800;
}

body.operator-hub-page .sidebar__drawer-handle {
  width: 32px;
  height: 4px;
  margin: 0 auto;
  border: 1px solid #3e4235;
  border-radius: 999px;
  background-color: #2f3227;
  flex-shrink: 0;
  transition: background-color 140ms ease, border-color 140ms ease;
}

body.operator-hub-page .sidebar__nav-card--drawer:hover .sidebar__drawer-handle {
  border-color: #d4b800;
  background-color: #d4b800;
}

/* Main Hub Content */
body.operator-hub-page .content {
  width: auto;
  max-width: none;
  padding: 24px clamp(24px, 3.5vw, 56px) 64px clamp(20px, 2.5vw, 40px);
  background: transparent;
  min-width: 0;
}

.op-hub-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid #282a24;
}

.op-hub-header__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  font-family: "Courier New", Courier, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.op-hub-header__tag {
  color: #727467;
}

.op-hub-header__status {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border: 1px solid #d4b800;
  border-radius: 2px;
  background: rgb(212 184 0 / 0.1);
  color: #f0ce00;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.op-hub-header h1 {
  margin: 0 0 12px;
  font-size: clamp(2.2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: #f0efe5;
}

.op-hub-lede {
  max-width: 68ch;
  margin: 0;
  color: #9d9e92;
  font-size: 17px;
  line-height: 1.55;
}

/* Feed Section */
.op-log-feed {
  margin: 0;
}

.op-hub-feed-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #282a24;
}

.op-hub-feed-header h2 {
  margin: 0 0 4px;
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: #f0efe5;
}

.op-hub-feed-sub {
  margin: 0;
  color: #727467;
  font-size: 14px;
}

/* Mobile Responsiveness for Operator Hub */
@media (max-width: 768px) {
  body.operator-hub-page .site-shell {
    grid-template-columns: 1fr;
  }

  body.operator-hub-page .sidebar {
    position: static;
    height: auto;
    max-height: none;
    padding: 12px 16px;
    border-right: none;
    border-bottom: 1px solid #282a24;
  }

  body.operator-hub-page .sidebar__brand-block {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
  }

  body.operator-hub-page .sidebar__group {
    display: none;
  }

  body.operator-hub-page .sidebar__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }

  body.operator-hub-page .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid #282a24;
    border-radius: 4px;
    background: #161814;
    color: #f0ce00;
    font-family: "Courier New", Courier, monospace;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
  }

  body.operator-hub-page .mobile-nav-sheet__panel {
    background: #121410;
    border-left: 1px solid #282a24;
    color: #c8c9b8;
  }

  body.operator-hub-page .mobile-nav-sheet__head {
    border-bottom: 1px solid #282a24;
  }

  body.operator-hub-page .mobile-nav-sheet__logo-text {
    color: #f0ce00;
  }

  body.operator-hub-page .mobile-nav-sheet__tag {
    color: #727467;
  }

  body.operator-hub-page .mobile-nav-sheet__close {
    border: 1px solid #282a24;
    background: #161814;
    color: #c8c9b8;
  }

  body.operator-hub-page .mobile-nav-sheet__section-title {
    color: #727467;
  }

  body.operator-hub-page .mobile-nav-sheet__link {
    background: #161814;
    border: 1px solid #282a24;
    color: #c8c9b8;
  }

  body.operator-hub-page .mobile-nav-sheet__link:hover,
  body.operator-hub-page .mobile-nav-sheet__link:focus-visible {
    background: #1f221b;
    border-color: #d4b800;
    color: #ffffff;
  }

  body.operator-hub-page .mobile-nav-sheet__link.is-active {
    background: #1f221a;
    border-color: #d4b800;
    color: #f0ce00;
  }
}