:root {
  --win-silver: #c0c0c0;
  --win-title: #000080;
  --win-title-text: #ffffff;
  --win-highlight: #ffffff;
  --win-shadow: #808080;
  --win-darkshadow: #404040;
  --win-text: #000000;
  --win-desktop: #008080;
  --win-green: #008000;
  --win-yellow: #808000;
  --win-red: #800000;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "MS Sans Serif", "Microsoft Sans Serif", "Chicago", "Courier New", monospace;
  font-size: 13px;
  font-weight: 500;
  background: var(--win-desktop);
  color: var(--win-text);
  line-height: 1.5;
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: unset;
}

::selection { background: var(--win-title); color: var(--win-title-text); }

/* ===== Windows 95 Desktop ===== */
.container { max-width: 820px; margin: 12px auto; padding: 0 4px; position: relative; z-index: 1; }

/* ===== Spinning 3D Background Cubes ===== */
.desktop-bg {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.cube {
  position: absolute;
  width: 80px;
  height: 80px;
  transform-style: preserve-3d;
  animation: spinCube 12s linear infinite;
  opacity: 0.25;
  perspective: 400px;
}

.cube-1 {
  top: 20%;
  left: 4%;
  animation-duration: 15s;
  width: 90px;
  height: 90px;
}

.cube-2 {
  top: 50%;
  right: 6%;
  animation-duration: 9s;
  animation-direction: reverse;
  width: 70px;
  height: 70px;
}

.cube-3 {
  bottom: 15%;
  left: 10%;
  animation-duration: 20s;
  width: 60px;
  height: 60px;
}

.cube-face {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid #ffffff;
  background: rgba(0, 128, 255, 0.06);
  image-rendering: pixelated;
  backface-visibility: visible;
}

.cube-1 .front  { transform: translateZ(45px); }
.cube-1 .back   { transform: rotateY(180deg) translateZ(45px); }
.cube-1 .right  { transform: rotateY(90deg) translateZ(45px); }
.cube-1 .left   { transform: rotateY(-90deg) translateZ(45px); }
.cube-1 .top    { transform: rotateX(90deg) translateZ(45px); }
.cube-1 .bottom { transform: rotateX(-90deg) translateZ(45px); }

.cube-2 .front  { transform: translateZ(35px); }
.cube-2 .back   { transform: rotateY(180deg) translateZ(35px); }
.cube-2 .right  { transform: rotateY(90deg) translateZ(35px); }
.cube-2 .left   { transform: rotateY(-90deg) translateZ(35px); }
.cube-2 .top    { transform: rotateX(90deg) translateZ(35px); }
.cube-2 .bottom { transform: rotateX(-90deg) translateZ(35px); }

.cube-3 .front  { transform: translateZ(30px); }
.cube-3 .back   { transform: rotateY(180deg) translateZ(30px); }
.cube-3 .right  { transform: rotateY(90deg) translateZ(30px); }
.cube-3 .left   { transform: rotateY(-90deg) translateZ(30px); }
.cube-3 .top    { transform: rotateX(90deg) translateZ(30px); }
.cube-3 .bottom { transform: rotateX(-90deg) translateZ(30px); }

@keyframes spinCube {
  0%   { transform: rotateX(0deg) rotateY(0deg); }
  25%  { transform: rotateX(90deg) rotateY(180deg); }
  50%  { transform: rotateX(180deg) rotateY(360deg); }
  75%  { transform: rotateX(270deg) rotateY(180deg); }
  100% { transform: rotateX(360deg) rotateY(0deg); }
}

/* ===== Window Frame ===== */
.window {
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-highlight) var(--win-darkshadow) var(--win-darkshadow) var(--win-highlight);
  margin-bottom: 8px;
  padding: 2px;
}

.window-titlebar {
  background: var(--win-title);
  color: var(--win-title-text);
  padding: 2px 3px;
  font-weight: bold;
  font-size: 12px;
  display: flex;
  align-items: center;
  user-select: none;
  letter-spacing: 0.3px;
}

.window-titlebar-text { flex: 1; }

.window-controls { display: flex; gap: 2px; }

.window-controls button {
  background: var(--win-silver);
  border: 1px solid;
  border-color: var(--win-highlight) var(--win-darkshadow) var(--win-darkshadow) var(--win-highlight);
  color: var(--win-text);
  font-size: 10px;
  line-height: 1;
  padding: 0 4px;
  min-width: 16px;
  height: 16px;
  cursor: pointer;
  font-family: "Courier New", monospace;
  font-weight: bold;
}

.window-controls button:active {
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
}

.window-body {
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
  padding: 10px;
  font-weight: 500;
}

/* ===== Hero ===== */
.hero {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  text-align: left;
}
.hero-main { flex: 1; }
.hero h1 { font-size: 30px; font-weight: 800; color: var(--win-text); margin-bottom: 4px; }
.hero h1 span { color: var(--win-title); }
.hero h1 .logo {
  height: 1.1em;
  vertical-align: middle;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}
.hero .subtitle { font-size: 12px; margin-top: 0; color: var(--win-text); }

/* ===== Clippy-style Cat Assistant ===== */
.clippy {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  min-width: 140px;
}

.clippy-bubble {
  background: #ffffcc;
  border: 2px solid var(--win-darkshadow);
  border-color: var(--win-highlight) var(--win-darkshadow) var(--win-darkshadow) var(--win-highlight);
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--win-text);
  position: relative;
  margin-bottom: 8px;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.15);
  line-height: 1.5;
}

.clippy-bubble b {
  color: var(--win-title);
}

.clippy-bubble-arrow {
  position: absolute;
  bottom: -8px;
  left: 50%;
  margin-left: -6px;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid #ffffcc;
}

.clippy-rat {
  width: 60px;
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* ===== Buttons (Win95 Raised) ===== */
button, .win-btn {
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-highlight) var(--win-darkshadow) var(--win-darkshadow) var(--win-highlight);
  color: var(--win-text);
  font-family: inherit;
  font-size: 12px;
  padding: 2px 12px;
  cursor: pointer;
  outline: none;
  min-height: 23px;
}

button:active, .win-btn:active {
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
}

button:focus, .win-btn:focus {
  outline: 1px dotted var(--win-text);
  outline-offset: -4px;
}

/* ===== Inputs (Win95 Sunken) ===== */
input, .win-input {
  background: #ffffff;
  border: 2px solid;
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
  color: var(--win-text);
  font-family: inherit;
  font-size: 12px;
  padding: 2px 4px;
  outline: none;
}

input:focus {
  outline: 1px dotted var(--win-text);
  outline-offset: -2px;
}

/* ===== Status Bar ===== */
.status-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 2px 4px;
  font-size: 12px;
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
}

.status-dot {
  width: 12px; height: 12px;
  border: 1px solid var(--win-shadow);
  display: inline-block; flex-shrink: 0;
}

.status-dot.on { background: var(--win-green); }
.status-dot.off { background: var(--win-yellow); }
.status-dot.demo { background: var(--win-red); }

/* ===== Badges ===== */
.badge {
  display: inline-block;
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-highlight) var(--win-darkshadow) var(--win-darkshadow) var(--win-highlight);
  padding: 1px 6px;
  font-size: 12px;
}

.badge.warn { border-color: var(--win-red); color: var(--win-red); }

/* ===== Section Headings ===== */
section { margin: 0; }

.section-body h2 {
  font-size: 15px;
  font-weight: bold;
  margin-bottom: 6px;
}
h3 { font-size: 13px; font-weight: bold; margin: 8px 0 4px; }

/* ===== Cards ===== */
.card {
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
  padding: 8px;
  margin-bottom: 8px;
}

/* ===== Chat Box ===== */
.chat-box { background: var(--win-silver); }

.chat-messages {
  height: 300px; overflow-y: auto;
  background: #ffffff;
  border: 2px solid;
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
  padding: 6px;
  display: flex; flex-direction: column; gap: 4px;
}

.chat-messages:empty::after {
  content: "Send a message to try the demo.";
  color: var(--win-shadow);
  font-style: italic;
  text-align: center; padding: 24px 0;
}

.msg {
  max-width: 85%; padding: 5px 10px;
  font-size: 13px; font-weight: 500; line-height: 1.5;
  animation: fadein 0.15s;
}

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

.msg.you {
  background: var(--win-silver);
  align-self: flex-end;
  border: 1px solid var(--win-shadow);
}

.msg.bot {
  background: #ffffff;
  align-self: flex-start;
  border: 1px solid var(--win-shadow);
}

.msg .label {
  font-size: 10px; font-weight: bold;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.msg.you .label { color: var(--win-title); text-align: right; }
.msg.bot .label { color: var(--win-green); }

.msg .typing {
  display: inline-block;
  animation: blink 1s step-end infinite;
}

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

.chat-input-row {
  display: flex;
  border: 2px solid;
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
  background: var(--win-silver);
  margin-top: 4px;
  padding: 2px;
}

.chat-input-row input {
  flex: 1;
  margin: 0;
}

.chat-input-row input::placeholder { color: var(--win-shadow); }
.chat-input-row button { margin: 0; }

.chat-suggestions {
  display: flex; flex-wrap: wrap; gap: 4px;
  padding: 4px;
  border: 2px solid;
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
  margin-top: 4px;
}

.chat-suggestions button { padding: 2px 10px; font-size: 12px; font-weight: 500; }

/* ===== Win95 Alert Dialog ===== */
.win-alert {
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-highlight) var(--win-darkshadow) var(--win-darkshadow) var(--win-highlight);
  margin-bottom: 8px;
  padding: 2px;
}

.win-alert-titlebar {
  background: var(--win-title);
  color: var(--win-title-text);
  padding: 2px 3px;
  font-weight: bold;
  font-size: 12px;
  display: flex;
  align-items: center;
  user-select: none;
}

.win-alert-titletext { flex: 1; }

.win-alert-body {
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
  padding: 16px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-weight: 500;
}

.win-alert-icon {
  font-size: 36px;
  line-height: 1;
  flex-shrink: 0;
  color: var(--win-red);
}

.win-alert-text {
  font-size: 12px;
  line-height: 1.6;
  color: var(--win-text);
}



/* ===== Poem ===== */
.poem {
  font-style: italic;
  border-left: 3px solid var(--win-shadow);
  padding-left: 16px;
  margin: 8px 0;
}

.poem .caption { font-style: normal; font-size: 11px; margin-top: 4px; color: var(--win-shadow); }

/* ===== Tables ===== */
table { width: 100%; border-collapse: collapse; margin: 8px 0; }
th, td { text-align: left; padding: 4px 10px; border: 1px solid var(--win-shadow); }
th { background: var(--win-silver); font-weight: bold; font-size: 12px; }

.score { font-weight: bold; color: var(--win-green); }
.score.mid { color: var(--win-yellow); }

.bar {
  display: inline-block; height: 12px;
  background: var(--win-title);
  vertical-align: middle;
}

.bar.mid { background: var(--win-yellow); }

/* ===== Links ===== */
a { color: var(--win-title); text-decoration: underline; }
a:hover { color: var(--win-red); }

/* ===== Blockquote ===== */
blockquote {
  border-left: 3px solid var(--win-shadow);
  padding-left: 8px; margin: 8px 0;
}

/* ===== Lists ===== */
ul { margin: 8px 0; padding-left: 24px; }
p, li { font-size: 13px; font-weight: 500; }

/* ===== Contribute Cat ===== */
.contribute-cat { font-family: "Courier New", monospace; color: var(--win-title); line-height: 1.3; }

/* ===== Notepad Contributing Section ===== */
.notepad-menubar {
  display: flex;
  gap: 0;
  background: var(--win-silver);
  border-bottom: 1px solid var(--win-darkshadow);
  padding: 1px 0;
  font-size: 12px;
}

.notepad-menu-item {
  padding: 2px 8px;
  cursor: default;
  user-select: none;
}

.notepad-menu-item.active {
  box-shadow: inset 1px 1px 0 var(--win-darkshadow), inset -1px -1px 0 var(--win-highlight);
  background: var(--win-silver);
}

.notepad-menu-item:hover {
  box-shadow: inset 1px 1px 0 var(--win-darkshadow), inset -1px -1px 0 var(--win-highlight);
}

.notepad-body {
  background: #ffffff;
  padding: 0;
  font-weight: normal;
}

.notepad-content {
  padding: 6px 8px;
  font-family: "Fixedsys", "Courier New", "Lucida Console", monospace;
  font-size: 13px;
  line-height: 1.6;
  color: #000000;
  background: #ffffff;
  min-height: 300px;
}

.notepad-title {
  font-family: "Fixedsys", "Courier New", "Lucida Console", monospace;
  font-size: 13px;
  color: #000080;
  font-weight: bold;
  margin-bottom: 12px;
  white-space: pre;
  line-height: 1.4;
}

.notepad-section {
  font-family: "Fixedsys", "Courier New", "Lucida Console", monospace;
  font-size: 13px;
  color: #008000;
  font-weight: bold;
  margin: 12px 0 4px;
}

.notepad-line {
  font-family: "Fixedsys", "Courier New", "Lucida Console", monospace;
  font-size: 13px;
  color: #000000;
  margin: 0;
  line-height: 1.6;
}

.notepad-clippy {
  margin: 16px 0 12px;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.notepad-clippy .clippy-bubble {
  order: 1;
  margin-bottom: 0;
}

.notepad-clippy .clippy-bubble-arrow {
  left: auto;
  right: -8px;
  bottom: 50%;
  margin-left: 0;
  margin-bottom: -6px;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 6px solid #ffffcc;
  border-right: none;
}

.notepad-clippy .clippy-rat {
  order: 0;
}

.notepad-eof {
  text-align: center;
  font-family: "Fixedsys", "Courier New", "Lucida Console", monospace;
  font-size: 12px;
  color: #808080;
  margin-top: 16px;
  letter-spacing: 4px;
}

/* ===== Footer Clippy ===== */
.footer-clippy {
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: auto;
  margin-bottom: 12px;
}

.footer-clippy .clippy-bubble {
  margin-bottom: 0;
}

.footer-clippy .clippy-bubble-arrow {
  left: -8px;
  bottom: 50%;
  margin-left: 0;
  margin-bottom: -6px;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-right: 6px solid #ffffcc;
  border-left: none;
}

/* ===== Footer ===== */
/* ===== Retro Research Section (GeoCities style) ===== */
.window-retro .window-body {
  background: #ffffcc;
  font-family: "Georgia", "Times New Roman", serif;
  color: #330000;
}

.retro-section {
  background: #ffffcc;
  padding: 0;
}

.retro-banner {
  background: #000066;
  color: #ffff00;
  text-align: center;
  padding: 6px;
  font-family: "Arial", "Helvetica", sans-serif;
  font-weight: bold;
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 10px;
  border: 2px solid;
  border-color: #6666ff #000033 #000033 #6666ff;
  overflow: hidden;
}

.retro-marquee {
  white-space: nowrap;
}

.retro-badge-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 10px;
}

.retro-badge {
  background: #000066;
  color: #ffff00;
  font-family: "Arial", "Helvetica", sans-serif;
  font-size: 10px;
  font-weight: bold;
  padding: 2px 6px;
  border: 1px solid;
  border-color: #6666ff #000033 #000033 #6666ff;
}

.retro-hr {
  border: none;
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    #ff6600 0px, #ff6600 8px,
    #ffcc00 8px, #ffcc00 16px,
    #66cc00 16px, #66cc00 24px,
    #3399ff 24px, #3399ff 32px
  );
  margin: 12px 0;
}

.retro-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  background: #ffffff;
  border: 2px solid #330000;
}

.retro-table th,
.retro-table td {
  border: 1px solid #990000;
  padding: 6px 10px;
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 13px;
  color: #330000;
}

.retro-table-header {
  background: #990000;
  color: #ffffcc;
  font-family: "Arial", "Helvetica", sans-serif;
  font-size: 12px;
  letter-spacing: 1px;
  text-align: center;
}

.retro-year {
  font-weight: bold;
  color: #990000;
  white-space: nowrap;
  width: 50px;
}

.retro-intro {
  margin-bottom: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: #330000;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  font-size: 12px;
  color: var(--win-shadow);
  padding: 8px;
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
  margin-top: 8px;
}

/* ===== Scrollbar (Win95 style) ===== */
::-webkit-scrollbar { width: 16px; }
::-webkit-scrollbar-track {
  background: var(--win-silver);
  border: 1px solid var(--win-shadow);
}
::-webkit-scrollbar-thumb {
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-highlight) var(--win-darkshadow) var(--win-darkshadow) var(--win-highlight);
}
::-webkit-scrollbar-button {
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-highlight) var(--win-darkshadow) var(--win-darkshadow) var(--win-highlight);
  height: 16px;
  display: block;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 20px; }
  .msg { max-width: 92%; }
  .container { margin: 4px 2px; }
  .window-controls button { display: none; }
}

/* ===== Demo Pages (chat.html, editor.html) ===== */
.nav-back { font-size: 12px; margin-bottom: 8px; }
.nav-back a { color: var(--win-title); }

.hint {
  font-size: 11px;
  color: var(--win-shadow);
  margin-top: 6px;
  line-height: 1.5;
}

/* ===== Demos window buttons (index.html) ===== */
.demo-buttons { display: flex; gap: 8px; flex-wrap: wrap; margin: 4px 0; }
.pixel-icon {
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
  image-rendering: pixelated;
}
.demo-btn {
  flex: 1;
  min-width: 180px;
  text-align: center;
  background: var(--win-silver);
  border: 2px solid;
  border-color: var(--win-highlight) var(--win-darkshadow) var(--win-darkshadow) var(--win-highlight);
  color: var(--win-text);
  font-family: inherit;
  font-size: 14px;
  font-weight: bold;
  padding: 10px 14px;
  text-decoration: none;
  cursor: pointer;
}
.demo-btn:hover { background: #d8d8d8; }
.demo-btn:active {
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
}

/* ===== Editor page layout ===== */
.editor-container { max-width: 1000px; }
.editor-status { margin-bottom: 8px; }
.editor-grid { display: flex; gap: 8px; align-items: flex-start; }
.editor-grid .card { flex: 1; min-width: 0; margin-bottom: 0; }
.editor-grid .card:first-child { flex: 1.1; }

.file-row { display: flex; gap: 6px; align-items: center; margin-bottom: 6px; }
.file-row input { flex: 1; max-width: 240px; }

/* Sunken multi-line input (Win95 notepad style) */
textarea {
  width: 100%;
  background: #ffffff;
  border: 2px solid;
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
  color: var(--win-text);
  font-family: "Courier New", monospace;
  font-size: 13px;
  line-height: 1.5;
  padding: 4px 6px;
  resize: vertical;
  outline: none;
}
textarea:focus { outline: 1px dotted var(--win-text); outline-offset: -2px; }
#instruction { font-family: inherit; font-size: 12px; }

.btn-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.btn-row button { min-height: 26px; padding: 3px 14px; }
.btn-row button:disabled { color: var(--win-shadow); cursor: wait; }

.chip-row { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { padding: 2px 10px; font-size: 12px; }

/* ===== Editor result pane ===== */
.out-block {
  background: #ffffff;
  border: 2px solid;
  border-color: var(--win-darkshadow) var(--win-highlight) var(--win-highlight) var(--win-darkshadow);
  margin-bottom: 8px;
}
.out-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--win-silver);
  border-bottom: 1px solid var(--win-shadow);
  padding: 2px 4px;
  font-size: 11px;
  font-weight: bold;
  color: var(--win-title);
}
.out-actions { display: flex; gap: 4px; }
.out-actions button { min-height: 20px; padding: 0 8px; font-size: 11px; }
.out-code {
  margin: 0;
  padding: 6px 8px;
  font-family: "Courier New", monospace;
  font-size: 12.5px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 360px;
  overflow-y: auto;
}

.notes { list-style: none; margin-bottom: 8px; }
.notes li {
  background: #ffffcc;
  border: 1px solid var(--win-shadow);
  padding: 4px 8px;
  margin-bottom: 4px;
  font-size: 12px;
}

.error {
  background: #ffdddd;
  border: 2px solid var(--win-red);
  color: var(--win-red);
  padding: 6px 8px;
  font-size: 12px;
  margin-bottom: 8px;
}

.meta-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3px 12px;
  font-size: 12px;
  margin-bottom: 8px;
}
.meta-k { color: var(--win-shadow); }
.meta-v { word-break: break-word; }

@media (max-width: 700px) {
  .editor-grid { flex-direction: column; }
  .demo-btn { min-width: 100%; }
}