/* ============================================
   Tyler Wince - CONTROL ROOM Theme
   Mission control dashboard. Glowing panels. Technical precision.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  --color-bg: #060a13;
  --color-panel: #0d1321;
  --color-panel-hover: #111827;
  --color-panel-border: #1e293b;
  --color-panel-border-bright: #334155;
  --color-ink: #e2e8f0;
  --color-ink-soft: #94a3b8;
  --color-muted: #64748b;
  --color-cyan: #22d3ee;
  --color-cyan-dim: rgba(34, 211, 238, 0.15);
  --color-cyan-glow: rgba(34, 211, 238, 0.06);
  --color-amber: #f59e0b;
  --color-amber-dim: rgba(245, 158, 11, 0.15);
  --color-green: #10b981;
  --color-green-dim: rgba(16, 185, 129, 0.15);
  --color-red: #ef4444;
  --color-red-dim: rgba(239, 68, 68, 0.15);
  --color-gold: #f59e0b;

  --color-surface: var(--color-panel);
  --color-surface-glow: var(--color-cyan-glow);
  --color-surface-glass: rgba(13, 19, 33, 0.95);
  --color-surface-elevated: #162032;
  --color-border: var(--color-panel-border);
  --color-border-light: var(--color-panel-border);
  --color-accent: var(--color-cyan);
  --color-accent-light: var(--color-cyan);
  --color-accent-wash: var(--color-cyan-dim);
  --color-green-light: var(--color-green);
  --color-green-wash: var(--color-green-dim);
  --color-sand: var(--color-amber);
  --color-text-primary: var(--color-ink);
  --color-text-secondary: var(--color-ink-soft);
  --color-text-tertiary: var(--color-muted);
  --color-rule-light: var(--color-panel-border);
  --line-red: var(--color-red);
  --line-blue: var(--color-cyan);
  --line-green: var(--color-green);
  --line-gold: var(--color-amber);

  --sidebar-width: 220px;

  --max-width-text: 680px;
  --max-width-content: 1100px;
  --max-width-wide: 100%;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  --border-radius: 6px;
  --border-radius-lg: 10px;
  --border-radius-xl: 14px;
  --border-radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.6);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 160ms var(--ease-out);
  --transition-base: 300ms var(--ease-out);
}

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

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.65;
  overflow-x: hidden;
}

/* Subtle grid pattern on background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

::selection {
  background: rgba(34, 211, 238, 0.25);
  color: var(--color-ink);
}

a {
  color: var(--color-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #67e8f9;
}

img {
  max-width: 100%;
  display: block;
}

strong {
  color: var(--color-ink);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.4em;
  line-height: 1.15;
  font-family: var(--font-display);
  color: var(--color-ink);
}

h1 { font-weight: 700; }
h2 { font-weight: 600; }
h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
}

p {
  margin: 0 0 1em;
  color: var(--color-ink-soft);
}

ul, ol {
  margin: 0 0 1.2em 1.2em;
  color: var(--color-ink-soft);
}

li {
  margin-bottom: 0.35em;
}

li::marker {
  color: var(--color-cyan);
}

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid var(--color-panel-border);
  border-radius: 4px;
  padding: 0.15rem 0.35rem;
  color: var(--color-cyan);
}

pre {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.2rem;
  overflow-x: auto;
  background: #0a0e17;
  border: 1px solid var(--color-panel-border);
  border-radius: var(--border-radius);
  color: var(--color-ink-soft);
}

pre code {
  border: none;
  background: transparent;
  padding: 0;
  color: inherit;
  border-radius: 0;
}

blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--color-cyan);
  background: var(--color-cyan-dim);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* ---- Utility ---- */
.mb-3 { margin-bottom: var(--space-3); }
.mb-6 { margin-bottom: var(--space-6); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-cyan);
}

/* ---- Control Room Shell ---- */
.control-room {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.control-room-main {
  flex: 1;
  min-width: 0;
  margin-left: var(--sidebar-width);
}

/* ---- Sidebar ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-panel);
  border-right: 1px solid var(--color-panel-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-identity {
  padding: 1.5rem 1.2rem 1rem;
  border-bottom: 1px solid var(--color-panel-border);
}

.sidebar-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 6px var(--color-green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-green);
}

.site-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.site-title a {
  color: var(--color-ink);
  text-decoration: none;
}

.site-title a:hover {
  color: var(--color-cyan);
}

.sidebar-subtitle {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-top: 0.3rem;
}

/* ---- Sidebar Nav ---- */
.site-nav {
  flex: 1;
  padding: 0.8rem 0;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-nav li {
  margin: 0;
}

.site-nav a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
}

.site-nav a::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-panel-border);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.site-nav a:hover {
  color: var(--color-ink);
  background: rgba(34, 211, 238, 0.04);
  border-left-color: var(--color-panel-border-bright);
}

.site-nav a:hover::before {
  background: var(--color-ink-soft);
}

.site-nav a.active {
  color: var(--color-cyan);
  border-left-color: var(--color-cyan);
  background: var(--color-cyan-glow);
}

.site-nav a.active::before {
  background: var(--color-cyan);
  box-shadow: 0 0 6px var(--color-cyan);
}

/* Sidebar footer / social */
.sidebar-footer {
  padding: 0.8rem 1.2rem;
  border-top: 1px solid var(--color-panel-border);
  margin-top: auto;
}

.sidebar-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.8rem;
}

.sidebar-links li {
  margin: 0;
}

.sidebar-links a {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

.sidebar-links a:hover {
  color: var(--color-cyan);
}

.sidebar-copy {
  margin: 0.5rem 0 0;
  font-size: 0.6rem;
  color: var(--color-muted);
  opacity: 0.5;
}

/* ---- Mobile Nav Toggle ---- */
.nav-toggle {
  display: none;
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 200;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-panel-border);
  background: var(--color-panel);
  color: var(--color-cyan);
  font-size: 1.2rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  transition: all var(--transition-fast);
}

.nav-toggle:hover {
  background: var(--color-panel-hover);
  border-color: var(--color-cyan);
}

.nav-toggle-icon {
  line-height: 1;
}

/* ---- AI Design Banner ---- */
.ai-design-banner {
  padding: 0.5rem 1.5rem;
  border-bottom: 1px solid var(--color-panel-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--color-panel);
}

.ai-design-banner span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.ai-design-banner a {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-cyan);
  text-decoration: none;
}

.ai-design-banner a:hover {
  text-decoration: underline;
}

/* ---- Footer (hidden on desktop, shown on mobile below content) ---- */
.site-footer {
  display: none;
}

/* ---- Content Wrappers ---- */
.content-wrapper,
.content-wrapper-narrow {
  width: 100%;
  margin: 0 auto;
  padding: var(--space-10) clamp(1.2rem, 3vw, 2rem);
}

.content-wrapper {
  max-width: var(--max-width-content);
}

.content-wrapper-narrow {
  max-width: var(--max-width-text);
}

/* ---- Panel Component ---- */
.panel {
  background: var(--color-panel);
  border: 1px solid var(--color-panel-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.panel:hover {
  border-color: var(--color-panel-border-bright);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--color-panel-border);
  background: rgba(255,255,255,0.02);
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ink-soft);
  margin: 0;
}

.panel-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.panel-indicator-cyan {
  background: var(--color-cyan);
  box-shadow: 0 0 6px var(--color-cyan);
}

.panel-indicator-amber {
  background: var(--color-amber);
  box-shadow: 0 0 6px var(--color-amber);
}

.panel-indicator-green {
  background: var(--color-green);
  box-shadow: 0 0 6px var(--color-green);
}

.panel-action {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.panel-action:hover {
  color: var(--color-cyan);
}

.panel-body {
  padding: 1rem;
}

/* ---- Link Utilities ---- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-cyan);
}

.link-arrow::after {
  content: '\2192';
  transition: transform var(--transition-fast);
}

.link-arrow:hover::after {
  transform: translateX(3px);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-cyan);
  background: var(--color-cyan-dim);
  color: var(--color-cyan);
  padding: 0.55rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  cursor: pointer;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.button:hover {
  background: var(--color-cyan);
  color: var(--color-bg);
}

.button-secondary {
  border-color: var(--color-panel-border);
  background: transparent;
  color: var(--color-ink-soft);
}

.button-secondary:hover {
  border-color: var(--color-cyan);
  background: var(--color-cyan-dim);
  color: var(--color-cyan);
}

.divider {
  height: 0;
  border: none;
  border-top: 1px solid var(--color-panel-border);
  margin: var(--space-10) 0;
}

/* ---- Post Layout ---- */
.post {
  padding: clamp(1.5rem, 3vw, 2.5rem) clamp(1.2rem, 3vw, 2rem);
}

.post-header {
  border-bottom: 1px solid var(--color-panel-border);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.post-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-ink);
}

.post-description {
  margin-top: 0.7rem;
  font-size: 1.05rem;
  color: var(--color-ink-soft);
  max-width: 55ch;
}

.post-meta {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

.post-content {
  font-size: 1.02rem;
  line-height: 1.8;
  max-width: var(--max-width-text);
}

.post-content h2 {
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--color-panel-border);
  color: var(--color-ink);
}

.post-content h3 {
  margin-top: 1.5rem;
  color: var(--color-ink);
}

.post-content img {
  margin: 1.5rem 0;
  border: 1px solid var(--color-panel-border);
  border-radius: var(--border-radius);
}

.post-footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-panel-border);
}

.post-footer-text {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

/* ---- Book List Items ---- */
.book-item {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-panel-border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.book-item:last-child {
  border-bottom: none;
}

.book-listing-main {
  min-width: 0;
}

.book-title-link {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  line-height: 1.3;
}

.book-title-link:hover {
  color: var(--color-cyan);
}

.book-title {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.3;
}

.note-icon {
  color: var(--color-cyan);
  font-size: 0.55rem;
  vertical-align: super;
}

.book-author {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-muted);
}

.book-rating {
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--color-amber);
  white-space: nowrap;
}

.book-rating .stars {
  letter-spacing: 0.04em;
}

.book-rating .currently-reading {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-green);
}

.book-rating .unrated-text {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

/* ---- Code Copy Button ---- */
.code-copy-button {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  border: 1px solid var(--color-panel-border);
  background: var(--color-panel);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  opacity: 0;
  transition: all var(--transition-fast);
}

pre:hover .code-copy-button {
  opacity: 1;
}

.code-copy-button:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

/* ---- Animations ---- */
.animate-in {
  animation: fadeUp 500ms var(--ease-out) both;
}

.delay-1,
.animate-in-delay-1 {
  animation-delay: 80ms;
}

.delay-2 {
  animation-delay: 160ms;
}

.delay-3 {
  animation-delay: 240ms;
}

.reveal-ready[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}

.reveal-ready[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

.keyboard-nav *:focus {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

/* ---- Responsive: Tablet ---- */
@media (max-width: 900px) {
  :root {
    --sidebar-width: 0px;
  }

  .site-header {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: auto;
    flex-direction: column;
    border-right: none;
    border-top: 1px solid var(--color-panel-border);
    z-index: 200;
    transform: translateY(100%);
    transition: transform var(--transition-base);
  }

  body.js-ready .site-header {
    transform: translateY(100%);
  }

  body.js-ready.nav-open .site-header {
    transform: translateY(0);
  }

  .sidebar-identity {
    padding: 1rem 1.2rem 0.8rem;
  }

  .site-nav ul {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0;
  }

  .site-nav a {
    padding: 0.6rem 1rem;
    border-left: none;
    border-bottom: 2px solid transparent;
  }

  .site-nav a.active {
    border-left-color: transparent;
    border-bottom-color: var(--color-cyan);
  }

  .sidebar-footer {
    padding: 0.6rem 1.2rem;
  }

  .nav-toggle {
    display: flex;
  }

  .control-room-main {
    margin-left: 0;
    padding-bottom: 4rem;
  }
}

/* ---- Responsive: Mobile ---- */
@media (max-width: 640px) {
  html {
    font-size: 14px;
  }

  .ai-design-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
  }

  .content-wrapper,
  .content-wrapper-narrow {
    padding: var(--space-8) var(--space-4);
  }
}