/* ================================================================
   DEVLOG — Terminal Renaissance Design System
   Palette: Deep Charcoal + Amber Gold + Cool Teal
   Type: JetBrains Mono (display/code) · Space Grotesk (body)
   ================================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Colors — Dark (default) */
  --bg:           #0a0e14;
  --bg-elevated:  #11151c;
  --bg-card:      #161b24;
  --bg-hover:     #1c2330;
  --border:       #1e2530;
  --border-bright:#2a3544;

  --text:         #e6e9ef;
  --text-dim:     #8b95a7;
  --text-faint:   #4a5263;

  --accent:       #ffb454;  /* Amber gold */
  --accent-dim:   #c98a3e;
  --accent-glow:  rgba(255, 180, 84, 0.15);

  --secondary:    #5ccfe6;  /* Cool teal */
  --secondary-dim:#4aa5be;

  --success:      #87d96c;
  --warning:      #ffb454;
  --danger:       #f07178;

  --code-bg:      #0d1117;
  --code-border:  #1e2530;

  /* Typography */
  --font-mono:   'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;
  --font-sans:   'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   24px;
  --space-xl:   40px;
  --space-2xl:  64px;
  --space-3xl:  96px;

  /* Radii */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;

  /* Transitions */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur-fast:    150ms;
  --dur-med:     300ms;
  --dur-slow:    600ms;

  /* Layout */
  --max-width:  1080px;
  --nav-height: 64px;
}

[data-theme="light"] {
  --bg:           #f5f6f8;
  --bg-elevated:  #ffffff;
  --bg-card:      #ffffff;
  --bg-hover:     #f0f1f4;
  --border:       #e2e5ea;
  --border-bright:#d0d4dc;
  --text:         #1a1f29;
  --text-dim:     #5a6271;
  --text-faint:   #9aa1ad;
  --accent:       #d4761a;
  --accent-dim:  #b36416;
  --accent-glow:  rgba(212, 118, 26, 0.1);
  --secondary:    #2b8da3;
  --secondary-dim:#237488;
  --code-bg:      #f0f1f4;
  --code-border:  #e2e5ea;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
  transition: background var(--dur-med) var(--ease-out), color var(--dur-med) var(--ease-out);
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

::selection {
  background: var(--accent);
  color: var(--bg);
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: none; border: none; background: none; color: inherit; }
input { font-family: inherit; }

/* ---------- Custom Cursor ---------- */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  transition: transform 0.1s ease-out, width 0.2s var(--ease-out), height 0.2s var(--ease-out), background 0.2s;
}

.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  transform: translate(-50%, -50%);
}

.cursor-ring {
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--accent-dim);
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease-out, width 0.3s var(--ease-out), height 0.3s var(--ease-out), border-color 0.3s;
}

.cursor-ring.cursor-ring--hover {
  width: 56px;
  height: 56px;
  border-color: var(--accent);
  background: var(--accent-glow);
}

@media (hover: none) {
  .cursor-dot, .cursor-ring { display: none; }
  body, button { cursor: auto; }
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ---------- Particle Canvas ---------- */
#particleCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.4;
  pointer-events: none;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 100;
  background: rgba(10, 14, 20, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--dur-med) var(--ease-out), border-color var(--dur-med);
}

[data-theme="light"] .nav {
  background: rgba(245, 246, 248, 0.8);
}

.nav.nav--scrolled {
  border-bottom-color: var(--border-bright);
}

.nav__inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.nav__logo {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 2px;
  letter-spacing: -0.5px;
}

.nav__logo-bracket {
  color: var(--accent);
  font-weight: 300;
}

.nav__logo-cursor {
  color: var(--accent);
  animation: blink 1s steps(2) infinite;
  margin-left: 1px;
}

@keyframes blink {
  50% { opacity: 0; }
}

.nav__links {
  display: flex;
  gap: var(--space-xs);
  margin-left: auto;
  margin-right: var(--space-md);
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 12px;
  color: var(--text-dim);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast), background var(--dur-fast);
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link:hover, .nav__link.nav__link--active {
  color: var(--text);
  background: var(--bg-hover);
}

.nav__link-icon {
  color: var(--accent);
  font-weight: 400;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: none;
  transition: background var(--dur-fast);
  font-size: 1.1rem;
}

.theme-toggle:hover { background: var(--bg-hover); }

.theme-toggle__icon--light { display: none; }
[data-theme="light"] .theme-toggle__icon--dark { display: none; }
[data-theme="light"] .theme-toggle__icon--light { display: block; }

.nav__search-trigger {
  cursor: none;
}

.nav__search-trigger kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 8px;
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  transition: border-color var(--dur-fast), color var(--dur-fast);
}

.nav__search-trigger:hover kbd {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Main App ---------- */
.app {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--space-2xl)) var(--space-lg) var(--space-2xl);
  min-height: 100vh;
}

.page {
  animation: pageIn var(--dur-slow) var(--ease-out);
}

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

/* ---------- Hero ---------- */
.hero {
  margin-bottom: var(--space-3xl);
}

.hero__terminal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 48px -16px rgba(0,0,0,0.5), 0 0 0 1px var(--border);
  transition: border-color var(--dur-med);
}

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

.hero__terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.hero__terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.hero__terminal-dot--red    { background: #f07178; }
.hero__terminal-dot--yellow { background: #ffb454; }
.hero__terminal-dot--green  { background: #87d96c; }

.hero__terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-left: 8px;
}

.hero__terminal-body {
  padding: var(--space-lg) var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.8;
  min-height: 200px;
}

.hero__line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero__prompt {
  color: var(--secondary);
  font-weight: 700;
}

.hero__typed {
  color: var(--text);
}

.hero__cursor-blink {
  color: var(--accent);
  animation: blink 1s steps(2) infinite;
}

.hero__output {
  margin-top: var(--space-md);
}

.hero__output-line {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 2;
}

.hero__output-line--dim {
  color: var(--text-faint);
  font-size: 0.8rem;
}

.hero__highlight {
  color: var(--accent);
  font-weight: 700;
}

.hero__output--hidden {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}

.hero__output--shown {
  opacity: 1;
  transform: translateY(0);
}

/* Hero meta stats */
.hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-left: var(--space-sm);
}

.hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero__meta-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.hero__meta-suffix {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
}

.hero__meta-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero__meta-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* ---------- Sections ---------- */
.section {
  margin-bottom: var(--space-3xl);
}

.section__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.section__title {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section__title-num {
  color: var(--accent);
  font-weight: 400;
  font-size: 1rem;
  opacity: 0.7;
}

.section__link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--dur-fast);
}

.section__link:hover {
  color: var(--accent);
}

.section__link-arrow {
  transition: transform var(--dur-fast);
}

.section__link:hover .section__link-arrow {
  transform: translateX(4px);
}

/* ---------- Post Grid ---------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.post-grid--full {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
  .post-grid, .post-grid--full {
    grid-template-columns: 1fr;
  }
}

/* ---------- Post Card ---------- */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: transform var(--dur-med) var(--ease-out),
              border-color var(--dur-med),
              box-shadow var(--dur-med);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-med) var(--ease-out);
}

.post-card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 16px 32px -12px rgba(0,0,0,0.4);
}

.post-card:hover::before {
  transform: scaleX(1);
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.post-card__tag {
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.post-card__tag--systems   { background: rgba(92, 207, 230, 0.12); color: var(--secondary); }
.post-card__tag--frontend  { background: rgba(255, 180, 84, 0.12); color: var(--accent); }
.post-card__tag--devops    { background: rgba(135, 217, 108, 0.12); color: var(--success); }
.post-card__tag--database  { background: rgba(240, 113, 120, 0.12); color: var(--danger); }

.post-card__date {
  color: var(--text-faint);
}

.post-card__title {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  transition: color var(--dur-fast);
}

.post-card:hover .post-card__title {
  color: var(--accent);
}

.post-card__excerpt {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
  flex-grow: 1;
}

.post-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.post-card__read {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}

.post-card__arrow {
  color: var(--accent);
  transition: transform var(--dur-fast);
}

.post-card:hover .post-card__arrow {
  transform: translate(4px, -4px);
}

/* ---------- Stack / Skills ---------- */
.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.stack__group {
  border-left: 2px solid var(--border);
  padding-left: var(--space-lg);
}

.stack__group-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: lowercase;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.5px;
}

.stack__items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.stack__chip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 4px 12px;
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  transition: all var(--dur-fast) var(--ease-out);
}

.stack__chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ---------- CTA ---------- */
.cta {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  border: 1px dashed var(--border-bright);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.cta__text {
  font-size: 1.15rem;
  color: var(--text-dim);
}

.cta__btn {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 32px;
  background: var(--accent);
  color: var(--bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast);
}

.cta__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -4px var(--accent-glow);
}

.cta__btn-arrow {
  transition: transform var(--dur-fast);
}

.cta__btn:hover .cta__btn-arrow {
  transform: translateX(4px);
}

/* ---------- Page Header ---------- */
.page-header {
  margin-bottom: var(--space-2xl);
}

.page-header__title {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-sm);
}

.page-header__prefix {
  color: var(--accent);
  font-weight: 300;
}

.page-header__subtitle {
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ---------- Filter Bar ---------- */
.filter-bar {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.filter-bar__chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  transition: all var(--dur-fast);
}

.filter-bar__chip:hover {
  border-color: var(--border-bright);
  color: var(--text);
}

.filter-bar__chip--active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ---------- Post Detail ---------- */
.post-detail {
  max-width: 720px;
  margin: 0 auto;
}

.post-detail__back {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-bottom: var(--space-xl);
  transition: color var(--dur-fast);
}

.post-detail__back:hover { color: var(--accent); }

.post-detail__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-bottom: var(--space-md);
}

.post-detail__title {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.5px;
  margin-bottom: var(--space-lg);
}

.post-detail__body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
}

.post-detail__body h2 {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  margin: var(--space-xl) 0 var(--space-md);
  color: var(--accent);
}

.post-detail__body h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--text);
}

.post-detail__body p {
  margin-bottom: var(--space-md);
  color: var(--text-dim);
}

.post-detail__body ul, .post-detail__body ol {
  margin: var(--space-md) 0 var(--space-md) var(--space-lg);
  color: var(--text-dim);
}

.post-detail__body li {
  margin-bottom: var(--space-xs);
}

.post-detail__body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  padding: 2px 6px;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 4px;
  color: var(--accent);
}

.post-detail__body pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  margin: var(--space-lg) 0;
}

.post-detail__body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.7;
}

.post-detail__body blockquote {
  border-left: 3px solid var(--accent);
  padding-left: var(--space-lg);
  margin: var(--space-lg) 0;
  color: var(--text-dim);
  font-style: italic;
}

.post-detail__nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
}

.post-detail__nav-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: color var(--dur-fast);
}

.post-detail__nav-link:hover { color: var(--accent); }

.post-detail__nav-label {
  font-size: 0.7rem;
  color: var(--text-faint);
}

/* ---------- About ---------- */
.about {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  max-width: 720px;
}

.about__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
}

.about__avatar-frame {
  width: 72px;
  height: 72px;
  border: 2px solid var(--accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.about__avatar-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, var(--accent-glow));
}

.about__avatar-text {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  position: relative;
  z-index: 1;
}

.about__name {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  line-height: 1.4;
}

.about__role {
  color: var(--accent);
}

.about__bio {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.about__links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.about__link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
  transition: color var(--dur-fast);
}

.about__link:hover { color: var(--accent); }
.about__link-icon { color: var(--accent); }

/* Timeline */
.about__timeline-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-faint);
  margin-bottom: var(--space-lg);
}

.timeline {
  position: relative;
  padding-left: var(--space-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--border-bright);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-xl);
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

.timeline__dot {
  position: absolute;
  left: calc(-1 * var(--space-xl) + 1px);
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}

.timeline__content {
  margin-top: var(--space-xs);
}

.timeline__role {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline__desc {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ---------- Search Overlay ---------- */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
}

.search-overlay[hidden] {
  display: none;
}

.search-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  animation: fadeIn var(--dur-med) var(--ease-out);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.search-overlay__panel {
  position: relative;
  width: 90%;
  max-width: 560px;
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 48px rgba(0,0,0,0.4);
  animation: searchIn var(--dur-med) var(--ease-spring);
  overflow: hidden;
}

@keyframes searchIn {
  from { opacity: 0; transform: scale(0.96) translateY(-8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.search-overlay__input-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.search-overlay__icon {
  font-size: 1.2rem;
  color: var(--text-faint);
}

.search-overlay__input {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
}

.search-overlay__input::placeholder { color: var(--text-faint); }

.search-overlay__esc {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 2px 8px;
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  color: var(--text-faint);
}

.search-overlay__results {
  max-height: 400px;
  overflow-y: auto;
  padding: var(--space-sm);
}

.search-result {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: none;
  transition: background var(--dur-fast);
}

.search-result:hover, .search-result--active {
  background: var(--bg-hover);
}

.search-result__title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.search-result__excerpt {
  font-size: 0.78rem;
  color: var(--text-faint);
}

.search-overlay__empty {
  padding: var(--space-xl);
  text-align: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-lg);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer__text--dim {
  color: var(--text-faint);
}

/* ---------- Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}

.reveal.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__search-trigger kbd { display: none; }
  .nav__search-trigger::after { content: '⌕'; font-size: 1.2rem; color: var(--text-dim); }

  .hero__meta {
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .hero__meta-divider { display: none; }

  .about__card {
    flex-direction: column;
    padding: var(--space-lg);
  }

  .post-detail__nav {
    flex-direction: column;
    gap: var(--space-md);
  }

  .app {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .section__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .hero__terminal-body { font-size: 0.82rem; }
  .hero__meta-value { font-size: 1.2rem; }
  .post-card { padding: var(--space-md); }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  #particleCanvas { display: none; }
  .reveal { opacity: 1; transform: none; }
}