/* === Reset & base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  background: #0a0a0f;
  color: #ccc;
  line-height: 1.6;
}
a { color: #4ea8de; text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(ellipse at 50% 30%, #1a0a0f 0%, #0a0a0f 70%);
  padding: 40px 24px;
}
.hero-inner { max-width: 700px; }
.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  color: #e94560;
  letter-spacing: -2px;
  margin-bottom: 8px;
}
.hero .exe { color: #666; font-weight: 400; }
.subtitle { font-size: 1.1rem; color: #888; margin-bottom: 20px; }
.badges { margin-bottom: 24px; }
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin: 0 4px;
}
.badge-dos { background: #1a1a2e; border: 1px solid #4ea8de; color: #4ea8de; }
.badge-ok { background: #0a1a0f; border: 1px solid #16c79a; color: #16c79a; }
.hero-nav { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.hero-nav a {
  color: #888;
  font-size: 0.9rem;
  padding: 6px 12px;
  border: 1px solid #333;
  border-radius: 6px;
  transition: all 0.2s;
}
.hero-nav a:hover { color: #e94560; border-color: #e94560; text-decoration: none; }
.remix-btn.remix-btn {
  background: #e94560;
  color: #fff;
  border-color: #e94560;
  font-weight: 600;
}
.remix-btn.remix-btn:hover { background: #c23652; border-color: #c23652; color: #fff; }
.hero-demo {
  margin-top: 40px;
}
.hero-demo {
  overflow: hidden;
  /* Crop 32px borders (10% each side of 320px) at 3x scale */
  width: 768px;
  max-width: 90vw;
}
.hero-demo canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border: 2px solid #222;
  border-radius: 4px;
  cursor: grab;
  /* 320x200 canvas scaled 3x = 960x600, crop to 768x600 center */
  width: 960px;
  height: 600px;
  max-width: none;
  margin-left: -96px; /* (960-768)/2 */
}
@media (max-width: 860px) {
  .hero-demo { width: 90vw; }
  .hero-demo canvas {
    width: calc(90vw * 320 / 256);
    height: calc(90vw * 200 / 256);
    margin-left: calc(-90vw * 32 / 256);
  }
}
.hero-demo canvas:active { cursor: grabbing; }

/* === Sections === */
.section { padding: 80px 0; }
.section-dark { background: #0d0d14; }
.section h2 {
  font-size: 2rem;
  color: #e94560;
  margin-bottom: 40px;
  padding-bottom: 12px;
  border-bottom: 2px solid #1a1a2e;
}
.section h3 {
  font-size: 1.2rem;
  color: #aaa;
  margin: 32px 0 16px;
}

/* === Story === */
.story-intro {
  font-size: 1.05rem;
  color: #aaa;
  max-width: 800px;
  margin-bottom: 48px;
  line-height: 1.8;
}
.story-intro a { color: #e94560; }

/* === Timeline === */
.timeline { position: relative; padding-left: 40px; margin-bottom: 60px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #e94560 0%, #333 100%);
}
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-marker {
  position: absolute;
  left: -40px;
  top: 0;
  width: 24px;
  height: 24px;
  background: #e94560;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
}
.timeline-marker::after {
  content: '';
  width: 8px;
  height: 8px;
  background: #0a0a0f;
  border-radius: 50%;
}
.timeline-content h3 {
  color: #e94560;
  margin: 0 0 8px;
  font-size: 1.1rem;
}
.timeline-content h3 .date { color: #555; font-weight: 400; font-size: 0.85rem; }
.timeline-content p { color: #888; margin-bottom: 8px; font-size: 0.9rem; }
.timeline-content code {
  background: #1a1a2e;
  padding: 2px 6px;
  border-radius: 3px;
  color: #4ea8de;
  font-size: 0.85rem;
}
.timeline-content code.hl { color: #e94560; }
.result-box {
  background: #0a1a0f;
  border: 1px solid #16c79a;
  border-radius: 6px;
  padding: 16px;
  margin-top: 12px;
}
.result-box pre { color: #16c79a; font-size: 0.85rem; line-height: 1.5; }

/* === Stats === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}
.stat {
  background: #1a1a2e;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}
.stat-value { font-size: 1.8rem; color: #e94560; font-weight: 700; }
.stat-label { font-size: 0.75rem; color: #666; margin-top: 4px; }

/* === Diagrams === */
.diagram-wrap {
  background: #0a0a0f;
  border: 1px solid #222;
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 24px;
}
.diagram { width: 100%; max-width: 800px; margin: 0 auto; display: block; }
.diagram text { font-family: inherit; }
.diagram a text:hover { fill: #fff !important; }

/* === Mapping table === */
.mapping-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.mapping-table th {
  text-align: left;
  color: #888;
  padding: 10px 12px;
  border-bottom: 2px solid #222;
  font-weight: 600;
}
.mapping-table td {
  padding: 8px 12px;
  border-bottom: 1px solid #1a1a2e;
  color: #aaa;
}
.mapping-table tr:hover td { background: #111118; }
.xref {
  color: #4ea8de;
  cursor: pointer;
  border-bottom: 1px dotted #4ea8de44;
}
.xref:hover { color: #e94560; border-color: #e94560; }
.match { color: #16c79a; text-align: center; font-weight: bold; }

@media (max-width: 640px) {
  .mapping-table thead { display: none; }
  .mapping-table tr {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid #1a1a2e;
  }
  .mapping-table td {
    display: block;
    padding: 2px 0;
    border: none;
  }
  .mapping-table td:first-child {
    color: #ccc;
    font-weight: 600;
    margin-bottom: 4px;
  }
  .mapping-table td:nth-child(2)::before { content: "EXE: "; color: #555; }
  .mapping-table td:nth-child(3)::before { content: "JS: "; color: #555; }
  .mapping-table td.match { text-align: left; }
  .mapping-table td.match::before { content: ""; }
}

/* === Source panels === */
.source-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  height: 80vh;
  min-height: 500px;
}
@media (max-width: 900px) {
  .source-panels { grid-template-columns: 1fr; height: auto; }
  .source-panel { height: 50vh; }
}
.source-panel {
  background: #111118;
  border: 1px solid #222;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.panel-header {
  background: #1a1a2e;
  padding: 10px 16px;
  font-size: 0.85rem;
  color: #aaa;
  border-bottom: 1px solid #222;
  flex-shrink: 0;
}
.panel-icon { margin-right: 6px; }
.panel-tag {
  float: right;
  background: #0a0a0f;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  color: #666;
}
.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
  font-size: 0.75rem;
  line-height: 1.5;
}
.panel-body::-webkit-scrollbar { width: 8px; }
.panel-body::-webkit-scrollbar-track { background: #111118; }
.panel-body::-webkit-scrollbar-thumb { background: #333; border-radius: 4px; }

.source-line {
  display: flex;
  padding: 1px 12px;
  white-space: pre;
  font-family: inherit;
  transition: background 0.15s;
}
.source-line:hover { background: #1a1a2e; }
.source-line.highlight { background: #2a1520; }
.source-line.highlight-target { background: #1a2a35; animation: flash 1.5s ease-out; }
@keyframes flash {
  0% { background: #2a4a5a; }
  100% { background: #1a2a35; }
}
.line-num {
  color: #444;
  min-width: 40px;
  text-align: right;
  padding-right: 12px;
  user-select: none;
  flex-shrink: 0;
}
.line-content { flex: 1; }
.line-content .kw { color: #c678dd; }
.line-content .fn { color: #61afef; }
.line-content .str { color: #98c379; }
.line-content .num { color: #d19a66; }
.line-content .cmt { color: #5c6370; }
.line-content .op { color: #56b6c2; }
.line-content .reg { color: #e06c75; }
.line-content .hex { color: #d19a66; }
.line-content .lbl { color: #e94560; font-weight: bold; }
.line-content .xref-link {
  color: #4ea8de;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
}
.line-content .xref-link:hover { color: #e94560; }

.loading { padding: 40px; color: #555; text-align: center; }

/* === Demo controls === */
.demo-controls {
  margin-top: 16px;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.demo-controls label { color: #888; font-size: 0.85rem; }
.demo-controls input {
  background: #1a1a2e;
  border: 1px solid #333;
  color: #ccc;
  padding: 4px 8px;
  border-radius: 4px;
  width: 80px;
  font-family: inherit;
}
.demo-controls button {
  background: #e94560;
  color: #fff;
  border: none;
  padding: 6px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
}
.demo-controls button:hover { background: #c23652; }
#fullscreen-btn { background: #333; padding: 6px 10px; font-size: 1rem; }
#fullscreen-btn:hover { background: #555; }
.demo-hint { color: #555; font-size: 0.75rem; }

/* === Fullscreen === */
.hero-demo.fullscreen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  width: 100vw !important;
  max-width: none;
  overflow: hidden;
}
.hero-demo.fullscreen canvas {
  /* Default: width-constrained (narrow/portrait), crop sides like hero */
  min-width: calc(100vw * 320 / 256) !important;
  width: calc(100vw * 320 / 256) !important;
  height: auto !important;
  max-height: 100vh;
  aspect-ratio: 320 / 200;
  flex-shrink: 0;
  margin-left: 0 !important;
  border: none !important;
  border-radius: 0 !important;
}
@media (min-aspect-ratio: 320/200) {
  /* Landscape/desktop: fit full 320x200 to height, no crop */
  .hero-demo.fullscreen canvas {
    min-width: 0 !important;
    width: auto !important;
    height: 100vh !important;
    flex-shrink: 1;
  }
}
#fullscreen-exit {
  display: none;
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 10000;
  background: #333;
  color: #fff;
  border: none;
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  opacity: 0.3;
  transition: opacity 0.2s;
}
#fullscreen-exit:hover { opacity: 1; }
.hero-demo.fullscreen .demo-controls { display: none; }
body.is-fullscreen #fullscreen-exit { display: block; }
@media (max-width: 768px), (hover: none) {
  body.is-fullscreen #fullscreen-exit { opacity: 0.6; }
}

/* === Footer === */
footer {
  padding: 40px 0;
  text-align: center;
  color: #555;
  font-size: 0.8rem;
  border-top: 1px solid #1a1a2e;
}
footer a { color: #e94560; }