:root {
  --bg: #12141a;
  --panel: #181c24;
  --panel-alt: #1e232c;
  --border: #2a3038;
  --border-soft: #232830;
  --text: #e9e7de;
  --text-muted: #8b93a1;
  --text-faint: #565d6b;
  --accent: #e0b23c;
  --accent-soft: rgba(224, 178, 60, 0.14);
  --accent-2: #4fb3a9;
  --accent-2-soft: rgba(60, 224, 197, 0.14);
  --danger: #e0605c;
  --danger-soft: rgba(224, 96, 92, 0.14);
  --syn-comment: #6a9955;
  --syn-keyword: #c586c0;
  --syn-flag: #6dd0c7;
  --syn-string: #ce9178;
  --syn-label: #4fc1ff;
  --radius: 12px;
  --radius-soft: 999px;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --display: 'Space Grotesk', var(--mono);
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 40%, transparent 100%);
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 64px 24px 48px;
}

/* Hero */

.hero { margin-bottom: 28px; }

.kicker {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.kicker a {
  color: var(--accent);
  text-decoration: none;
}

.kicker a:hover { color: var(--text-muted); }

h1 {
  margin: 0 0 16px;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(32px, 5vw, 46px);
  letter-spacing: -0.01em;
  color: #fff;
}

.cursor {
  display: inline-block;
  color: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}

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

.lede {
  margin: 0;
  max-width: 62ch;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.65;
}

/* Cards */

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  margin-bottom: 18px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--panel-alt);
}

.card-label {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
}

.card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
}

.pane-head-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Memory slider */

.memory-block { margin-bottom: 24px; }

.memory-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
  gap: 10px;
  flex-wrap: wrap;
}

.field-title { font-size: 13px; color: var(--text); }

.memory-readout {
  font-family: var(--mono);
  font-size: 14px;
  text-align: right;
}

.memory-readout strong {
  color: #fff;
  font-weight: 600;
  margin-right: 4px;
}

.mem-slider {
  --fill: 11%;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 40px;
  margin: 0;
  border-radius: var(--radius);
  cursor: pointer;
  outline: none;
  background: linear-gradient(to right, var(--accent) var(--fill), var(--panel-alt) var(--fill));
}

.mem-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 8px;
  height: 40px;
  border-radius: var(--radius-soft);
  background: #fff;
  cursor: pointer;
}

.mem-slider::-moz-range-thumb {
  width: 8px;
  height: 40px;
  border: none;
  border-radius: var(--radius-soft);
  background: #fff;
  cursor: pointer;
}

.mem-slider::-moz-range-track {
  height: 40px;
  background: transparent;
  border-radius: 6px;
}

.mem-slider:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Fields row */

.fields-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}

.field { display: flex; flex-direction: column; }

.field-label {
  font-size: 13px;
  color: var(--text);
  margin-bottom: 6px;
}

.field textarea,
.field select {
  width: 100%;
  background: var(--panel-alt);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 11px;
  font-family: var(--mono);
  font-size: 14px;
  transition: border-color 0.15s ease;
}

.field textarea {
  min-height: 38px;
  resize: none;
  line-height: 1.5;
}

.field select { cursor: pointer; }

.field textarea:hover,
.field select:hover { border-color: #3a4048; }

.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
}

.field .field-desc {
  margin: 6px 0 0;
  font-size: 11.5px;
  color: var(--text-faint);
  line-height: 1.4;
}


/* Options */

.options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.opt {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
}

.opt:hover { border-color: #3a4048; }

.opt input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.box {
  flex: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--text-faint);
  border-radius: var(--radius-soft);
  position: relative;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.opt input:checked + .box {
  background: var(--accent);
  border-color: var(--accent);
}

.opt input:checked + .box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid #14161c;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.opt input:focus-visible + .box {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.opt-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.opt-title { font-size: 13.5px; color: var(--text); }
.opt-sub { font-size: 12px; color: var(--text-faint); }

.select-opt {
  cursor: default;
  justify-content: space-between;
  gap: 16px;
}

/* Script card */

#download {
  border: 1px solid var(--border);
  border-radius: var(--radius-soft);
  background: var(--panel);
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 12px;
  padding: 4px 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

#download:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
#download:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

#copy {
  border: 1px solid var(--border);
  border-radius: var(--radius-soft);
  background: var(--panel);
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 12px;
  padding: 4px 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

#copy:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
#copy:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
#copy.done { color: var(--accent-2); border-color: var(--accent-2); }
#copy.done:hover { background: var(--accent-2-soft); }

.code-block {
  position: relative;
  background: var(--panel-alt);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 14px 0;
  overflow-x: auto;
}

.code-pre {
  font-family: var(--mono);
  font-size: 13px;
}

.code-line {
  display: flex;
  padding: 0 44px 0 14px;
  min-height: 22px;
}

.line-num {
  flex: none;
  width: 22px;
  margin-right: 16px;
  color: var(--text-faint);
  text-align: right;
  user-select: none;
}

.line-text {
  flex: 1;
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.7;
}

.tok-keyword { color: var(--syn-keyword); font-weight: 600; }
.tok-flag { color: var(--syn-flag); }
.tok-string { color: var(--syn-string); }
.tok-label { color: var(--syn-label); font-weight: 600; }
.tok-comment { color: var(--syn-comment); font-style: italic; }

.code-copy {
  position: absolute;
  top: 10px;
  right: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-soft);
  background: var(--panel);
  color: var(--text-faint);
  padding: 5px 8px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.code-copy:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.code-copy.done { color: var(--accent-2); border-color: var(--accent-2); }

/* Hint box */

.hint-box {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: var(--radius);
  font-size: 12.5px;
  line-height: 1.55;
}

.hint-box[hidden] { display: none; }

.hint-box i { flex: none; margin-top: 2px; }

.hint-title {
  margin: 0 0 2px;
  font-weight: 600;
  color: #fff;
  font-size: 13px;
}

.hint-desc { margin: 0; opacity: 0.9; }

.hint-box.hint-info {
  background: rgba(94, 160, 245, 0.1);
  border: 1px solid rgba(94, 160, 245, 0.3);
  color: #bcd6f7;
}
.hint-box.hint-info i { color: #5ea0f5; }

.hint-box.hint-warn {
  background: var(--accent-soft);
  border: 1px solid rgba(224, 178, 60, 0.35);
  color: #f0dca4;
}
.hint-box.hint-warn i { color: var(--accent); }

/* Footer */

.foot {
  color: var(--text-faint);
  font-size: 12px;
  text-align: center;
}

.foot a { color: var(--text-faint); }
.foot a:hover { color: var(--accent-2); }

/* Responsive */

@media (max-width: 720px) {
  .fields-row { grid-template-columns: 1fr; }
  .toggles-row { grid-template-columns: 1fr; }
  .wrap { padding: 44px 18px 36px; }
}

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