/* ============================================
   Yiheng's Blog — Terminal / Code Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors - Dark Terminal (default) */
  --bg-primary: #0a0e16;
  --bg-secondary: #0e1320;
  --bg-card: rgba(255, 255, 255, 0.025);
  --bg-card-hover: rgba(255, 255, 255, 0.05);
  --bg-glass: rgba(11, 15, 24, 0.66);
  --bg-terminal: #0b1019;
  --border-color: rgba(120, 200, 170, 0.13);
  --border-hover: rgba(120, 200, 170, 0.3);

  --text-primary: #e6edf3;
  --text-secondary: #9fb0bd;
  --text-muted: #5c6b7a;

  --accent-1: #2ee6a6;   /* mint phosphor */
  --accent-2: #56c7ff;   /* cyan */
  --accent-3: #ffb454;   /* amber */
  --gradient-accent: linear-gradient(120deg, var(--accent-1), var(--accent-2));
  --gradient-accent-subtle: linear-gradient(120deg, rgba(46, 230, 166, 0.14), rgba(86, 199, 255, 0.14));

  /* Terminal window dots */
  --term-red: #ff5f56;
  --term-yellow: #ffbd2e;
  --term-green: #27c93f;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', ui-monospace, monospace;
  --font-display: var(--font-mono);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 820px;
  --nav-height: 64px;
  --statusbar-height: 30px;
  --border-radius: 10px;
  --border-radius-sm: 6px;
  --border-radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 36px rgba(46, 230, 166, 0.18);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* --- Light "Paper Terminal" Theme --- */
[data-theme="light"] {
  --bg-primary: #f4f2ea;
  --bg-secondary: #fffdf6;
  --bg-card: rgba(0, 0, 0, 0.022);
  --bg-card-hover: rgba(0, 0, 0, 0.045);
  --bg-glass: rgba(255, 253, 246, 0.72);
  --bg-terminal: #fbfaf3;
  --border-color: rgba(20, 90, 65, 0.16);
  --border-hover: rgba(20, 90, 65, 0.34);

  --text-primary: #14201a;
  --text-secondary: #41514a;
  --text-muted: #7c8a82;

  --accent-1: #0b9e6e;
  --accent-2: #1f7fc4;
  --accent-3: #c2790f;

  --shadow-sm: 0 2px 8px rgba(40, 60, 50, 0.08);
  --shadow-md: 0 6px 22px rgba(40, 60, 50, 0.12);
  --shadow-lg: 0 16px 48px rgba(40, 60, 50, 0.16);
  --shadow-glow: 0 0 30px rgba(11, 158, 110, 0.14);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  padding-bottom: var(--statusbar-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(circle at 18% 12%, rgba(46, 230, 166, 0.06), transparent 42%),
    radial-gradient(circle at 84% 8%, rgba(86, 199, 255, 0.05), transparent 40%);
  background-attachment: fixed;
}

[data-theme="light"] body {
  background-image:
    radial-gradient(circle at 18% 12%, rgba(11, 158, 110, 0.07), transparent 42%),
    radial-gradient(circle at 84% 8%, rgba(31, 127, 196, 0.05), transparent 40%);
}

a {
  color: var(--accent-1);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-2);
}

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

ul, ol {
  list-style: none;
}

::selection {
  background: rgba(46, 230, 166, 0.28);
  color: var(--text-primary);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-1);
}

/* --- Custom Cosmic Cursor (fine pointers only) ---
   宇宙探索 / 知识星球风格：发光星核 + 带绕行卫星的星球轨道环
   + 移动星尘拖尾 + 点击跃迁涟漪。配色沿用站点强调色变量。 */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 99999;
  will-change: transform;
}

/* 星核：精确指向点，一颗发光的小星 */
.cursor-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #fff 0%, var(--accent-1) 55%, transparent 76%);
  box-shadow:
    0 0 8px var(--accent-1),
    0 0 16px color-mix(in srgb, var(--accent-2) 70%, transparent);
  transform: translate(-50%, -50%);
  transition: opacity 0.2s ease;
}

/* 星核的细光芒（十字星芒） */
.cursor-dot::before,
.cursor-dot::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.7;
}

.cursor-dot::before {
  width: 1px;
  height: 18px;
  background: linear-gradient(transparent, var(--accent-1), transparent);
}

.cursor-dot::after {
  width: 18px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-1), transparent);
}

/* 外环：像一颗知识星球的轨道光环，缓动跟随 */
.cursor-ring {
  width: 30px;
  height: 30px;
  border: 1px solid color-mix(in srgb, var(--accent-1) 70%, transparent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow:
    0 0 10px color-mix(in srgb, var(--accent-1) 35%, transparent),
    inset 0 0 8px color-mix(in srgb, var(--accent-2) 22%, transparent);
  transition: width 0.22s ease, height 0.22s ease, opacity 0.22s ease, border-color 0.22s ease;
}

/* 轨道上绕行的小卫星，带来"探索/星球"的动感 */
.cursor-sat {
  position: absolute;
  inset: 0;
  pointer-events: none;
  animation: cursorOrbit 4s linear infinite;
}

.cursor-sat::before {
  content: '';
  position: absolute;
  top: -2.5px;
  left: 50%;
  width: 5px;
  height: 5px;
  margin-left: -2.5px;
  border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 8px var(--accent-3);
}

/* 悬停可交互元素：轨道环放大、变色，像锁定一颗星球 */
.cursor-ring.hover {
  width: 48px;
  height: 48px;
  border-color: color-mix(in srgb, var(--accent-2) 85%, transparent);
  box-shadow:
    0 0 16px color-mix(in srgb, var(--accent-2) 45%, transparent),
    inset 0 0 10px color-mix(in srgb, var(--accent-3) 30%, transparent);
}

.cursor-ring.hover .cursor-sat {
  animation-duration: 2.2s;
}

/* 移动时的星尘拖尾 */
.cursor-star {
  position: fixed;
  top: 0;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  background: radial-gradient(circle, #fff 0%, var(--accent-1) 50%, transparent 74%);
  box-shadow: 0 0 6px var(--accent-1);
  transform: translate(-50%, -50%);
  animation: cursorStarFade 0.7s ease-out forwards;
}

/* 点击时的跃迁涟漪 */
.cursor-ping {
  position: fixed;
  top: 0;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-2);
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  animation: cursorPing 0.55s ease-out forwards;
}

@keyframes cursorOrbit {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes cursorStarFade {
  0% { opacity: 0.9; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(0.2); }
}

@keyframes cursorPing {
  0% { opacity: 0.85; width: 14px; height: 14px; }
  100% { opacity: 0; width: 62px; height: 62px; }
}

body.has-custom-cursor,
body.has-custom-cursor * {
  cursor: none;
}

@media (prefers-reduced-motion: reduce) {
  .cursor-sat {
    animation: none;
  }
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-color);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
  border-color: var(--border-hover);
}

.nav-inner {
  width: 100%;
  max-width: var(--max-width);
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@keyframes caret {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

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

.nav-links a {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  font-size: 0.86rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-card);
}

.nav-links a.active {
  color: var(--accent-1);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  margin-left: var(--space-xs);
}

.theme-toggle:hover {
  border-color: var(--border-hover);
  color: var(--accent-1);
  background: var(--bg-card);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 1.1rem;
  font-family: var(--font-mono);
  cursor: pointer;
  width: 38px;
  height: 38px;
  border-radius: var(--border-radius-sm);
}

/* --- Terminal Window Primitive --- */
.terminal-window {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.term-titlebar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.6rem 0.85rem;
  background: linear-gradient(var(--bg-secondary), var(--bg-secondary)) padding-box;
  border-bottom: 1px solid var(--border-color);
}

.term-dots {
  display: flex;
  gap: 7px;
}

.term-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.term-dot.red { background: var(--term-red); }
.term-dot.yellow { background: var(--term-yellow); }
.term-dot.green { background: var(--term-green); }

.term-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: var(--space-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.term-body {
  padding: var(--space-lg);
  font-family: var(--font-mono);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + var(--space-xl)) var(--space-xl) var(--space-2xl);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 45%, black, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 45%, black, transparent 78%);
  opacity: 0.5;
}

.gravity-hint {
  position: absolute;
  bottom: calc(var(--space-2xl) + 1.4rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  white-space: nowrap;
  opacity: 0.75;
}

.gravity-hint kbd {
  font-family: var(--font-mono);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--accent-1);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 760px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 7px;
  height: 7px;
  background: var(--accent-1);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-1);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero h1 {
  font-family: var(--font-sans);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.8;
}

.hero-terminal {
  width: 100%;
  text-align: left;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  background: color-mix(in srgb, var(--bg-terminal) 86%, transparent);
}

.hero-terminal .term-body {
  font-size: 0.96rem;
  line-height: 1.95;
  min-height: 320px;
}

.term-line {
  white-space: pre-wrap;
  word-break: break-word;
}

.term-prompt {
  color: var(--accent-1);
  font-weight: 600;
}

.term-prompt .user { color: var(--accent-1); }
.term-prompt .at { color: var(--text-muted); }
.term-prompt .host { color: var(--accent-2); }
.term-prompt .path { color: var(--accent-3); }
.term-prompt .sign { color: var(--text-secondary); margin: 0 0.35rem 0 0.15rem; }

.term-cmd { color: var(--text-primary); }

.term-out {
  color: var(--text-secondary);
  display: block;
}

.term-out .gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.term-out strong { color: var(--text-primary); font-weight: 700; }

.term-caret {
  display: inline-block;
  width: 9px;
  height: 1.05em;
  background: var(--accent-1);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: caret 1.05s steps(1) infinite;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* keep .gradient-text usable elsewhere */
.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.72rem 1.4rem;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #04130d;
  box-shadow: 0 4px 18px rgba(46, 230, 166, 0.22);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(46, 230, 166, 0.34);
  color: #04130d;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-1);
  transform: translateY(-2px);
  color: var(--accent-1);
}

/* --- Scroll Indicator --- */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  z-index: 1;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.scroll-indicator svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent-1);
}

/* --- Sections --- */
.section {
  padding: var(--space-4xl) var(--space-xl);
  position: relative;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent-1);
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--border-radius);
  overflow: hidden;
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
}

.about-image-decoration {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 12px;
  left: 12px;
  border-radius: var(--border-radius);
  border: 1px solid var(--accent-1);
  opacity: 0.22;
  z-index: -1;
}

.about-text h3 {
  font-family: var(--font-sans);
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.85;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.stat {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  transition: border-color var(--transition-fast);
}

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

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* --- Skills as Terminal Listing --- */
.skills-terminal {
  max-width: 760px;
  margin: 0 auto;
}

.skills-terminal .term-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: var(--space-lg) var(--space-xl);
}

.skills-ls-cmd {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.skill-card {
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  position: relative;
}

.skill-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-1);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.skill-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 1.4rem;
  margin-bottom: var(--space-md);
}

.skill-card h3 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.skill-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* --- About Page — 知识星球 --- */
.about-image--planet {
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.1), transparent 42%),
    var(--bg-terminal);
  box-shadow:
    0 0 0 1px var(--border-hover),
    0 0 40px color-mix(in srgb, var(--accent-2) 22%, transparent),
    inset 0 0 50px color-mix(in srgb, var(--accent-1) 14%, transparent);
}

.about-avatar-orbit {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 1px dashed color-mix(in srgb, var(--accent-2) 42%, transparent);
  animation: aboutOrbitSpin 26s linear infinite;
  pointer-events: none;
}

.about-avatar-orbit::before {
  content: '';
  position: absolute;
  top: -5px;
  left: 50%;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 12px var(--accent-3);
}

@keyframes aboutOrbitSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .about-avatar-orbit { animation: none; }
}

/* --- Blog Cards (terminal file entries) --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.blog-card {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
  z-index: 2;
}

.blog-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

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

.blog-card-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--gradient-accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.blog-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-cover img {
  transform: scale(1.04);
}

.blog-card-cover .cover-placeholder {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  color: var(--accent-1);
  opacity: 0.4;
}

.blog-card-body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.blog-card-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.blog-card-tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 9px;
  background: var(--gradient-accent-subtle);
  color: var(--accent-1);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-weight: 500;
}

[data-theme="light"] .tag {
  color: var(--accent-1);
}

.blog-card h3 {
  font-family: var(--font-sans);
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.45;
  transition: color var(--transition-fast);
}

.blog-card:hover h3 {
  color: var(--accent-1);
}

.blog-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  flex: 1;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.read-more {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-1);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  transition: gap var(--transition-fast);
}

.blog-card:hover .read-more {
  gap: var(--space-sm);
}

.read-time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.view-all-wrapper {
  text-align: center;
  margin-top: var(--space-3xl);
}

/* --- Blog Page --- */
.blog-page {
  padding-top: calc(var(--nav-height) + var(--space-3xl));
  min-height: 100vh;
}

.blog-page .section-inner {
  max-width: var(--max-width);
}

.blog-search {
  max-width: 540px;
  margin: 0 auto var(--space-xl);
  position: relative;
}

.blog-search input {
  width: 100%;
  padding: 0.85rem 1.2rem 0.85rem 3rem;
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.blog-search input:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(46, 230, 166, 0.14);
}

.blog-search input::placeholder {
  color: var(--text-muted);
}

.blog-search .search-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: var(--space-xs) var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-accent-subtle);
  color: var(--accent-1);
  border-color: var(--accent-1);
}

.no-results {
  text-align: center;
  padding: var(--space-4xl) 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.no-results p {
  font-size: 1rem;
  margin-top: var(--space-md);
}

/* --- Post Page --- */
.post-page {
  padding-top: calc(var(--nav-height) + var(--space-2xl));
  min-height: 100vh;
}

.post-header {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-xl) var(--space-2xl);
  text-align: center;
}

.post-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-2xl);
  transition: color var(--transition-fast);
}

.post-back:hover {
  color: var(--accent-1);
}

.post-header h1 {
  font-family: var(--font-sans);
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.post-meta .separator {
  width: 4px;
  height: 4px;
  background: var(--text-muted);
  border-radius: 50%;
}

.post-cover {
  max-width: var(--max-width-narrow);
  margin: 0 auto var(--space-2xl);
  padding: 0 var(--space-xl);
}

.post-cover img {
  width: 100%;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

/* Reading progress bar */
.reading-progress {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 999;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px rgba(46, 230, 166, 0.5);
}

/* --- Table of Contents --- */
.post-layout {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-xl) var(--space-4xl);
}

.post-toc {
  display: none;
}

@media (min-width: 1080px) {
  .post-content {
    padding: 0 0 var(--space-4xl);
    margin: 0 auto;
    max-width: var(--max-width-narrow);
  }
  .post-toc {
    display: block;
    position: fixed;
    top: var(--toc-y, calc(var(--nav-height) + var(--space-xl)));
    right: var(--toc-right, var(--space-xl));
    width: 240px;
    z-index: 920;
  }
  .post-toc.is-floating {
    left: var(--toc-x);
    right: auto;
  }
}

.toc-window {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 0.65rem var(--space-md);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card);
  cursor: grab;
  user-select: none;
}

.toc-header:active {
  cursor: grabbing;
}

.toc-header span {
  color: var(--accent-1);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.toc-header button {
  border: none;
  background: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  cursor: pointer;
}

.toc-header button:hover {
  color: var(--accent-2);
}

.toc-list {
  padding: var(--space-md);
  max-height: 70vh;
  overflow-y: auto;
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.toc-list a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 0.3rem 0.5rem;
  border-left: 2px solid transparent;
  border-radius: 0 4px 4px 0;
  transition: all var(--transition-fast);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.toc-list a.level-3 {
  padding-left: 1.3rem;
  font-size: 0.76rem;
  color: var(--text-muted);
}

.toc-list a:hover {
  color: var(--accent-1);
  background: var(--bg-card);
}

.toc-list a.active {
  color: var(--accent-1);
  border-left-color: var(--accent-1);
  background: var(--bg-card);
}

/* --- Post Content (Article Prose) --- */
.post-content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-xl) var(--space-4xl);
  font-size: 1.04rem;
  line-height: 1.85;
  order: 1;
}

.post-content h1 {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  font-weight: 800;
  margin: var(--space-xl) 0 var(--space-lg);
  line-height: 1.3;
}

.post-content h2 {
  font-family: var(--font-sans);
  font-size: 1.55rem;
  font-weight: 700;
  margin: var(--space-3xl) 0 var(--space-lg);
  letter-spacing: -0.01em;
  scroll-margin-top: calc(var(--nav-height) + var(--space-lg));
  padding-left: 0.75rem;
  border-left: 3px solid var(--accent-1);
}

.post-content h3 {
  font-family: var(--font-sans);
  font-size: 1.28rem;
  font-weight: 700;
  margin: var(--space-2xl) 0 var(--space-md);
  scroll-margin-top: calc(var(--nav-height) + var(--space-lg));
}

.post-content p {
  margin-bottom: var(--space-lg);
  color: var(--text-secondary);
}

.post-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.post-content a {
  color: var(--accent-1);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border-hover);
}

.post-content a:hover {
  text-decoration-color: var(--accent-1);
}

.post-content ul,
.post-content ol {
  margin-bottom: var(--space-lg);
  padding-left: 1.5rem;
}

.post-content ul { list-style: none; }
.post-content ol { list-style: decimal; }

.post-content ul li::before {
  content: '–';
  color: var(--accent-1);
  position: absolute;
  margin-left: -1.2rem;
}

.post-content li {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
  position: relative;
}

.post-content blockquote {
  margin: var(--space-2xl) 0;
  padding: var(--space-md) var(--space-xl);
  border-left: 3px solid var(--accent-1);
  background: var(--bg-card);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.post-content blockquote p {
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 0;
}

/* Code blocks as terminal windows */
.post-content pre {
  margin: var(--space-2xl) 0;
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
}

.code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.7rem 0.45rem 0.85rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.code-toolbar .code-lang {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: lowercase;
}

.code-toolbar .code-dots {
  display: flex;
  gap: 6px;
}

.code-toolbar .code-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.code-toolbar .code-dots i:nth-child(1) { background: var(--term-red); }
.code-toolbar .code-dots i:nth-child(2) { background: var(--term-yellow); }
.code-toolbar .code-dots i:nth-child(3) { background: var(--term-green); }

.copy-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2px 9px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  color: var(--accent-1);
  border-color: var(--accent-1);
}

.copy-btn.copied {
  color: var(--accent-1);
  border-color: var(--accent-1);
}

.post-content pre code {
  display: block;
  padding: var(--space-lg);
  overflow-x: auto;
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 0.86rem;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.post-content p code,
.post-content li code {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent-2);
}

/* Lightweight syntax highlight tokens */
.tok-key { color: var(--accent-2); }
.tok-str { color: var(--accent-1); }
.tok-com { color: var(--text-muted); font-style: italic; }
.tok-num { color: var(--accent-3); }
.tok-fn  { color: #d2a8ff; }

[data-theme="light"] .tok-fn { color: #8250df; }

.post-content img {
  margin: var(--space-2xl) auto;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.post-content hr {
  border: none;
  border-top: 1px dashed var(--border-color);
  margin: var(--space-3xl) 0;
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  margin: var(--space-xl) 0;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--border-radius-sm);
}

.post-content video {
  max-width: 100%;
  border-radius: var(--border-radius-sm);
  margin: var(--space-xl) 0;
  border: 1px solid var(--border-color);
}

/* --- Back To Top --- */
.back-to-top {
  position: fixed;
  right: var(--space-xl);
  bottom: calc(var(--statusbar-height) + var(--space-lg));
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--accent-1);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all var(--transition-base);
  z-index: 900;
  font-family: var(--font-mono);
}

.back-to-top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  border-color: var(--accent-1);
  box-shadow: var(--shadow-glow);
}

/* --- Status Bar (tmux/vim style) --- */
.statusbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--statusbar-height);
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.statusbar .sb-left,
.statusbar .sb-right {
  display: flex;
  align-items: center;
  gap: 0;
}

.statusbar .sb-seg {
  padding: 0 0.7rem;
  height: var(--statusbar-height);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-right: 1px solid var(--border-color);
}

.statusbar .sb-right .sb-seg {
  border-right: none;
  border-left: 1px solid var(--border-color);
}

.statusbar .sb-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-1);
  box-shadow: 0 0 6px var(--accent-1);
}

.statusbar .sb-accent { color: var(--accent-1); }
.statusbar .sb-muted { color: var(--text-muted); }

.statusbar .sb-clock { color: var(--accent-2); min-width: 64px; }

@media (max-width: 640px) {
  .statusbar .sb-hide-sm { display: none; }
}

/* --- Easter Egg: Client-side Console --- */
.console-overlay {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.console-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.console-window {
  width: 92%;
  max-width: 680px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  transform: translateY(-14px) scale(0.98);
  transition: transform var(--transition-base);
}

.console-overlay.active .console-window {
  transform: translateY(0) scale(1);
}

.console-window .term-body {
  flex: 1;
  overflow-y: auto;
  font-size: 0.86rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 220px;
}

.console-log {
  flex: 1;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-secondary);
}

.console-log .c-accent { color: var(--accent-1); }
.console-log .c-cyan { color: var(--accent-2); }
.console-log .c-amber { color: var(--accent-3); }
.console-log .c-err { color: var(--term-red); }
.console-log .c-dim { color: var(--text-muted); }

.console-input-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  border-top: 1px dashed var(--border-color);
  padding-top: 0.6rem;
}

.console-input-line .c-prompt {
  color: var(--accent-1);
  font-weight: 600;
  white-space: nowrap;
}

.console-input-line input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.86rem;
}

/* --- Matrix Rain (Konami easter egg) --- */
.matrix-rain {
  position: fixed;
  inset: 0;
  z-index: 4000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.matrix-rain.active {
  opacity: 1;
}

/* --- Footer --- */
.footer {
  padding: var(--space-3xl) var(--space-xl);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.footer-links a {
  font-family: var(--font-sans);
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-1);
}

.footer-copy {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-tip {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.74rem;
  margin-top: var(--space-sm);
  opacity: 0.8;
}

.footer-tip kbd {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--accent-1);
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.stagger-children .reveal {
  transition-delay: calc(var(--stagger-index, 0) * 0.08s);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  .about-image-wrapper {
    max-width: 340px;
    margin: 0 auto;
  }
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 58px;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: var(--statusbar-height);
    background: var(--bg-primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .section {
    padding: var(--space-3xl) var(--space-md);
  }

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

  .hero-terminal .term-body {
    font-size: 0.82rem;
    padding: var(--space-md);
    min-height: 280px;
  }

  .about-stats {
    gap: var(--space-sm);
  }

  .stat {
    padding: var(--space-md) var(--space-sm);
  }

  .stat-number {
    font-size: 1.35rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .post-content {
    padding: 0 var(--space-md) var(--space-3xl);
    font-size: 0.98rem;
  }

  .post-layout {
    padding: 0 var(--space-md) var(--space-3xl);
  }

  .post-header {
    padding: 0 var(--space-md) var(--space-xl);
  }

  .gravity-hint {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .cursor-dot,
  .cursor-ring {
    display: none !important;
  }
}

/* ============================================
   Admin Page Styles
   ============================================ */
.admin-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--space-2xl)) var(--space-xl) var(--space-2xl);
}

.admin-header {
  margin-bottom: var(--space-2xl);
}

.admin-header h1 {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.admin-header p {
  color: var(--text-secondary);
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  padding: 0.75rem 1rem;
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 0.92rem;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
}

.form-group textarea {
  min-height: 400px;
  resize: vertical;
  font-size: 0.86rem;
  line-height: 1.6;
}

.editor-toolbar {
  display: flex;
  gap: var(--space-sm);
  padding: 0.5rem 0.6rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toolbar-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-1);
  color: var(--accent-1);
}

.toolbar-btn svg {
  flex-shrink: 0;
}

.editor-toolbar + textarea {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 500px;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 0.2rem;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.img-preview-box,
.video-preview-box {
  padding: 1rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--border-radius-sm);
  text-align: center;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
}

.modal-hint {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.video-preview-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-1);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.admin-preview {
  padding: var(--space-xl);
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow-y: auto;
  max-height: 80vh;
}

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

.code-output {
  margin-top: var(--space-xl);
}

.code-output pre {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-primary);
  max-height: 300px;
  overflow-y: auto;
}

.toast {
  position: fixed;
  bottom: calc(var(--statusbar-height) + 1.5rem);
  right: 2rem;
  padding: var(--space-md) var(--space-xl);
  background: var(--bg-terminal);
  border: 1px solid var(--accent-1);
  color: var(--accent-1);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 500;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-base);
  z-index: 9999;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 900px) {
  .admin-grid {
    grid-template-columns: 1fr;
  }
}