:root {
  color-scheme: dark;
  --bg: #090c0f;
  --bg-raised: #0e1317;
  --panel: rgba(17, 23, 27, 0.94);
  --panel-2: #151c21;
  --panel-3: #1a2228;
  --line: #283138;
  --line-soft: rgba(255, 255, 255, 0.07);
  --text: #edf2f1;
  --muted: #8c9a9c;
  --faint: #5d686a;
  --cyan: #5ae0cd;
  --cyan-2: #89f3df;
  --cyan-dark: #163c38;
  --orange: #ff8f5c;
  --red: #ff6f67;
  --yellow: #f2d16b;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.3);
  --radius: 13px;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

.viewer-panel { padding: 20px; min-width: 0; }
.viewer-toolbar { display: flex; flex-wrap: wrap; align-items: end; gap: 10px; margin: 16px 0; }
.viewer-toolbar label { flex: 1; min-width: 180px; color: var(--muted); font-size: 12px; }
.viewer-toolbar select { display: block; width: 100%; margin-top: 6px; }
.viewer-toolbar [aria-pressed="true"] { border-color: var(--cyan); color: var(--cyan); }
.viewer-lighting { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin: 0 0 14px; color: var(--muted); font-size: 12px; }
.viewer-lighting input { flex: 1; min-width: 100px; max-width: 220px; accent-color: var(--cyan); }
.viewer-lighting output { min-width: 4ch; color: var(--text); font-variant-numeric: tabular-nums; }
#viewer-brightness-help { flex-basis: 100%; font-size: 11px; }
.viewer-stage { position: relative; height: clamp(280px, 34vw, 460px); overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: radial-gradient(ellipse at center, #253638, #0c1217 75%); }
.viewer-stage canvas { display: block; width: 100%; height: 100%; touch-action: none; }
.viewer-stage canvas:focus-visible { outline: 2px solid var(--cyan); outline-offset: -3px; }
#viewer-status { position: absolute; inset: 0; margin: 0; padding: 24px; display: flex; flex-direction: column; gap: 12px; align-items: center; justify-content: center; text-align: center; color: var(--text); background: #0c1217e8; font-size: 14px; }
#viewer-status[hidden] { display: none; }
.viewer-help, .viewer-note { color: var(--muted); font-size: 12px; line-height: 1.6; margin: 10px 0 0; }
.viewer-note { color: var(--faint); }
.viewer-glitch-warning { margin: 12px 0 0; padding: 12px 14px; border: 1px solid var(--orange); border-radius: 8px; background: #ff8f5c12; color: #ffc3a6; font-size: 13px; line-height: 1.6; }
.viewer-release-notice { margin: 0 0 12px; padding: 12px 14px; border: 1px solid var(--yellow); border-radius: 8px; background: #f2d16b12; color: var(--yellow); font-size: 13px; line-height: 1.6; }

html { scroll-behavior: smooth; zoom: 0.9; }
body:has(#guide-dialog[open]) { overflow: hidden; }
.site-guide { width: min(820px, calc(100% - 24px)); max-height: 85dvh; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-raised); color: var(--text); box-shadow: var(--shadow); }
.site-guide::backdrop { background: rgb(0 0 0 / 75%); }
.site-guide-heading { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px; background: var(--bg-raised); border-bottom: 1px solid var(--line); }
.site-guide-heading h2 { margin: 6px 0 0; font-size: 20px; }
.site-guide-heading form { flex-shrink: 0; }
.site-guide-content { padding: 0 20px 20px; font-size: 14px; line-height: 1.7; color: #b9c6c7; }
.site-guide-content details { margin-top: 10px; border: 1px solid var(--line); border-radius: 8px; padding: 0 16px; }
.site-guide-content summary { padding: 14px 0; cursor: pointer; color: var(--text); font-weight: 700; }
.site-guide-content details[open] summary { border-bottom: 1px solid var(--line); }
.site-guide-content li { margin: 8px 0; }
.site-guide-content ul, .site-guide-content ol { padding-left: 22px; }
.site-guide-content strong { color: var(--text); }
.site-guide-content kbd { padding: 2px 5px; border: 1px solid var(--line); border-radius: 4px; font: 12px var(--mono); color: var(--text); }
.site-guide summary:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px),
    var(--bg);
  background-size: 34px 34px;
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
}

button, input, select, textarea { font: inherit; }
button { color: inherit; }

.ambient {
  position: fixed;
  pointer-events: none;
  filter: blur(80px);
  border-radius: 999px;
  opacity: 0.08;
  z-index: -1;
}

.ambient-one { width: 460px; height: 460px; background: var(--cyan); top: -230px; left: 18%; }
.ambient-two { width: 360px; height: 360px; background: var(--orange); right: -190px; top: 42%; }

.app-header {
  height: 76px;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 13, 0.88);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 13px; color: inherit; text-decoration: none; }
.brand strong { display: block; font: 800 17px/1 var(--mono); letter-spacing: 0.11em; }
.brand small { display: block; margin-top: 6px; color: var(--muted); font: 600 9px/1 var(--mono); letter-spacing: 0.16em; }

.brand-mark {
  width: 38px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--cyan-dark);
  border: 1px solid rgba(90, 224, 205, 0.55);
  clip-path: polygon(25% 0, 75% 0, 100% 25%, 100% 75%, 75% 100%, 25% 100%, 0 75%, 0 25%);
}

.brand-mark i { width: 9px; height: 22px; display: block; background: var(--cyan); transform: skew(-19deg); box-shadow: 11px 0 0 rgba(90,224,205,.28); }

.header-status { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 12px; }
.status-dot { width: 7px; height: 7px; background: var(--cyan); border-radius: 50%; box-shadow: 0 0 12px var(--cyan); }

.workspace {
  width: min(1920px, 100%);
  margin: 0 auto;
  padding: 24px 28px 56px;
  display: grid;
  grid-template-columns: 280px minmax(600px, 1fr) minmax(330px, 410px);
  align-items: start;
  gap: 20px;
}

.left-rail, .right-rail { display: grid; gap: 16px; position: sticky; top: 100px; }
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.left-rail .panel, .right-rail .panel { padding: 18px; }
.editor-column { display: grid; gap: 20px; min-width: 0; }

.eyebrow { color: var(--cyan); font: 700 9px/1 var(--mono); letter-spacing: .17em; margin-bottom: 7px; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 24px; letter-spacing: -.02em; }
h2 { margin-bottom: 0; font-size: 16px; letter-spacing: -.01em; }
.left-rail p, .output-note { color: var(--muted); font-size: 12px; line-height: 1.55; }
.import-panel p { margin: 10px 0 15px; }

.button {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 13px;
  background: var(--panel-2);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  transition: border-color .16s ease, transform .16s ease, background .16s ease;
}

.button:hover { border-color: #435158; transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button-primary { color: #081310; background: var(--cyan); border-color: var(--cyan); }
.button-primary:hover { background: var(--cyan-2); border-color: var(--cyan-2); }
.button-quiet { background: #171e23; }
.button-wide { width: 100%; }
.danger-hover:hover { border-color: rgba(255,111,103,.7); color: #ffaaa5; }
.icon-button { width: 30px; height: 30px; padding: 0; border-radius: 7px; border: 1px solid var(--line); background: var(--panel-2); cursor: pointer; }
.icon-button:disabled { opacity: .32; cursor: default; }
.text-button, .reset-colour { padding: 0; border: 0; background: transparent; color: var(--cyan); cursor: pointer; font-size: 11px; font-weight: 700; }

.panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
.count-pill, .schema-pill {
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 5px 8px;
  font: 700 9px/1 var(--mono);
  white-space: nowrap;
}

.saved-list { display: grid; gap: 7px; }
.saved-item {
  width: 100%;
  display: grid;
  grid-template-columns: 28px minmax(0,1fr) auto;
  align-items: center;
  gap: 9px;
  text-align: left;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px;
  background: transparent;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}

.saved-item:hover { background: var(--panel-2); border-color: var(--line); }
.saved-glyph { width: 28px; height: 28px; border-radius: 7px; display: grid; place-items: center; background: var(--cyan-dark); color: var(--cyan); font: 700 9px/1 var(--mono); }
.saved-item strong { display: block; font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.saved-item small { display: block; color: var(--muted); margin-top: 3px; font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.saved-item { grid-template-columns: 28px minmax(0,1fr) 20px; }
.delete-saved { padding: 0; width: 20px; height: 20px; border: 0; background: transparent; color: var(--muted); cursor: pointer; }
.empty-saved { color: var(--faint); padding: 10px 7px 3px; font-size: 11px; }


.identity-panel { padding: 20px; }
.identity-title { display: flex; align-items: start; justify-content: space-between; gap: 18px; margin-bottom: 19px; }
.skin-name-input { width: min(430px, 70vw); background: transparent; color: var(--text); border: 0; border-bottom: 1px solid transparent; padding: 0 0 4px; font-size: 23px; font-weight: 750; outline: none; }
.skin-name-input:focus { border-color: var(--cyan); }
.identity-controls { display: grid; grid-template-columns: auto 130px 120px 1fr; align-items: end; gap: 14px; }
fieldset { min-width: 0; padding: 0; margin: 0; border: 0; }
.segmented-field legend, .number-control > span, .lab-controls label > span { color: var(--muted); display: block; margin-bottom: 7px; font-size: 10px; font-weight: 700; }
.segmented { display: flex; padding: 3px; border-radius: 8px; background: #0a0e11; border: 1px solid var(--line); }
.segmented label { cursor: pointer; }
.segmented input { position: absolute; opacity: 0; }
.segmented span { display: block; padding: 7px 14px; color: var(--muted); border-radius: 5px; font-size: 11px; font-weight: 700; }
.segmented input:checked + span { color: #07100e; background: var(--cyan); }

input[type="number"], select, .skin-name-input, textarea { outline: none; }
.number-control input, .lab-controls input, select {
  width: 100%;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #0b1013;
  color: var(--text);
  padding: 0 10px;
  font: 11px var(--mono);
}
.number-control input:focus, .lab-controls input:focus, select:focus { border-color: rgba(90,224,205,.7); box-shadow: 0 0 0 2px rgba(90,224,205,.08); }
.identity-actions { display: flex; justify-content: flex-end; gap: 8px; }

.glitch-lab { padding: 18px 20px 20px; border-color: rgba(90,224,205,.24); background: linear-gradient(125deg, rgba(26,60,55,.3), rgba(17,23,27,.96) 45%); }
.lab-heading { align-items: end; }
.lab-heading p { margin: 0; color: var(--muted); font-size: 10px; }
.lab-controls { display: grid; grid-template-columns: 1.15fr 1.25fr .9fr .8fr .8fr auto; align-items: end; gap: 9px; }
.lab-apply { white-space: nowrap; height: 34px; padding-top: 0; padding-bottom: 0; }

.colour-section { min-width: 0; }
.section-heading { display: flex; justify-content: space-between; align-items: end; margin: 7px 2px 12px; }
.legend { display: flex; gap: 15px; color: var(--muted); font-size: 10px; }
.legend span { display: flex; align-items: center; gap: 6px; }
.legend-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.legend-dot.normal { background: var(--cyan); }
.legend-dot.glitch { background: var(--orange); }

.colour-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.colour-card { border: 1px solid var(--line); border-radius: 11px; background: var(--panel); padding: 14px; min-width: 0; box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.colour-card.is-glitch { border-color: rgba(255,143,92,.42); background: linear-gradient(145deg, rgba(255,143,92,.06), var(--panel) 40%); }
.colour-card-head { display: grid; grid-template-columns: 38px minmax(0,1fr) auto; gap: 10px; align-items: center; }
.swatch-wrap { width: 38px; height: 38px; position: relative; }
.swatch { display: block; width: 38px; height: 38px; border-radius: 8px; border: 1px solid rgba(255,255,255,.18); background-image: linear-gradient(135deg, transparent 46%, rgba(255,255,255,.25) 47%, rgba(255,255,255,.25) 53%, transparent 54%); }
.colour-picker { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.colour-title h3 { font-size: 13px; margin: 0 0 3px; }
.colour-title code { color: var(--muted); font: 9px var(--mono); }
.value-state { border: 1px solid rgba(90,224,205,.25); color: var(--cyan); border-radius: 99px; padding: 4px 6px; font: 700 8px var(--mono); }
.is-glitch .value-state { color: var(--orange); border-color: rgba(255,143,92,.35); background: rgba(255,143,92,.07); }
.channel-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 6px; margin-top: 13px; }
.channel-input { position: relative; }
.channel-input span { position: absolute; left: 8px; top: 9px; color: var(--faint); font: 700 9px var(--mono); pointer-events: none; }
.channel-input input { width: 100%; min-width: 0; height: 31px; padding: 0 6px 0 21px; border: 1px solid var(--line); border-radius: 6px; color: #dce5e4; background: #0b1013; font: 10px var(--mono); outline: none; }
.channel-input input:focus { border-color: var(--cyan); background: #0e1518; }
.channel-input input:disabled { color: var(--muted); background: #11171a; cursor: not-allowed; opacity: .72; }
.card-foot { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: 10px; }
.rgb-readout { min-width: 0; color: var(--faint); font: 9px var(--mono); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.reset-colour { color: var(--muted); font-size: 9px; }
.reset-colour:hover { color: var(--text); }
.colour-lock-help { color: var(--muted); font-size: 12px; line-height: 1.5; margin: 0 0 14px; }
.colour-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.colour-lock { min-width: 54px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel-2); color: var(--muted); font-size: 10px; font-weight: 700; cursor: pointer; }
.colour-lock:hover { border-color: var(--cyan); color: var(--text); }
.colour-lock[aria-pressed="true"] { color: var(--cyan); border-color: var(--cyan); background: var(--cyan-dark); }
.colour-lock:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.card-foot { flex-wrap: wrap; }

.output-panel { position: relative; overflow: hidden; }
.output-note { margin: -3px 0 11px; }
.validity { border-radius: 99px; padding: 5px 8px; font: 700 9px var(--mono); display: flex; align-items: center; gap: 5px; }
.validity i { width: 6px; height: 6px; border-radius: 50%; }
.validity.valid { color: var(--cyan); background: rgba(90,224,205,.08); }
.validity.valid i { background: var(--cyan); }
.validity.invalid { color: var(--red); background: rgba(255,111,103,.08); }
.validity.invalid i { background: var(--red); }
#json-output { resize: vertical; width: 100%; min-height: 470px; max-height: 72vh; border-radius: 8px; border: 1px solid var(--line); padding: 13px; color: #bde8df; background: #080c0e; font: 10.5px/1.55 var(--mono); tab-size: 2; }
#json-output:focus { border-color: rgba(90,224,205,.6); }
.output-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; margin-top: 10px; }
.output-actions .button { width: 100%; }
.output-meta { display: flex; justify-content: space-between; margin-top: 11px; color: var(--faint); font: 9px var(--mono); }
.drop-hint { position: absolute; inset: 0; display: none; place-items: center; z-index: 3; color: var(--cyan); font: 700 14px var(--mono); background: rgba(9,15,17,.94); border: 2px dashed var(--cyan); border-radius: var(--radius); }
.output-panel.is-dragging .drop-hint { display: grid; }

.safety-panel { display: flex; gap: 11px; background: rgba(37,29,23,.9); border-color: rgba(255,143,92,.25); }
.safety-icon { flex: 0 0 25px; width: 25px; height: 25px; display: grid; place-items: center; border: 1px solid rgba(255,143,92,.5); border-radius: 50%; color: var(--orange); font: 800 12px var(--mono); }
.safety-panel strong { font-size: 11px; }
.safety-panel p { color: #a99b93; font-size: 10px; line-height: 1.45; margin: 5px 0 0; }

.toast-region { position: fixed; z-index: 50; right: 22px; bottom: 22px; display: grid; gap: 8px; pointer-events: none; }
.toast { width: min(350px, calc(100vw - 44px)); border: 1px solid #38514c; border-radius: 9px; padding: 12px 14px; background: #13201e; box-shadow: var(--shadow); color: #dffaf4; font-size: 11px; animation: toast-in .22s ease both; }
.toast.error { border-color: #6f3935; background: #281715; color: #ffd3cf; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

@media (max-width: 1450px) {
  .workspace { grid-template-columns: 250px minmax(570px, 1fr) 350px; padding-left: 18px; padding-right: 18px; gap: 14px; }
  .lab-controls { grid-template-columns: repeat(3, 1fr); }
  .lab-apply { width: 100%; }
}

@media (max-width: 1120px) {
  .workspace { grid-template-columns: 240px minmax(0, 1fr); }
  .right-rail { grid-column: 1 / -1; position: static; grid-template-columns: minmax(0, 1fr) 280px; }
  #json-output { min-height: 330px; }
  .identity-controls { grid-template-columns: auto 1fr 1fr; }
  .identity-actions { grid-column: 1 / -1; justify-content: start; }
}

@media (max-width: 780px) {
  .app-header { height: 66px; padding: 0 16px; }
  .header-status > span:not(.status-dot) { display: none; }
  .workspace { display: block; padding: 14px 12px 40px; }
  .left-rail, .right-rail { position: static; margin-bottom: 16px; }
  .left-rail { grid-template-columns: 1fr 1fr; }
  .saved-panel { grid-column: 1 / -1; }
  .editor-column { margin-bottom: 16px; }
  .colour-grid { grid-template-columns: 1fr; }
  .identity-controls, .lab-controls { grid-template-columns: 1fr 1fr; }
  .identity-actions, .lab-apply { grid-column: 1 / -1; }
  .right-rail { grid-template-columns: 1fr; }
  .skin-name-input { width: 100%; }
  .schema-pill { display: none; }
}

@media (max-width: 500px) {
  .left-rail { grid-template-columns: 1fr; }
  .saved-panel { grid-column: auto; }
  .identity-controls, .lab-controls { grid-template-columns: 1fr; }
  .identity-actions, .lab-apply { grid-column: auto; }
  .identity-actions { justify-content: stretch; }
  .identity-actions .button { flex: 1; }
  .section-heading { align-items: start; }
  .legend { display: grid; gap: 5px; }
  .output-actions { grid-template-columns: 1fr 1fr; }
  #load-code-button { grid-column: 1 / -1; }
}