/**
 * Noisemaker Demo - Layout & Structure
 * 
 * This file contains structural CSS: grid layouts, sizing, spacing, typography rules.
 * It uses CSS variables from common-colors.css for any color-related properties.
 * 
 * Downstream consumers should import this file and provide their own color definitions.
 */

:root {
  /* UI sizing tokens (non-color) */
  --ui-corner-radius: 0.75rem;
  --ui-corner-radius-small: 0.5rem;
  --ui-corner-radius-pill: 999px;
  
  /* Computed UI tokens (derived from colors) */
  --ui-panel-surface: color-mix(in srgb, var(--color2) 80%, transparent 20%);
  --ui-panel-border: color-mix(in srgb, var(--accent3) 18%, transparent 82%);
  --ui-panel-shadow: 0 18px 48px rgba(6, 8, 14, 0.45);
  --ui-input-surface: color-mix(in srgb, var(--color1) 85%, transparent 15%);
  --ui-input-border: color-mix(in srgb, var(--accent3) 35%, transparent 65%);
  --ui-input-border-strong: color-mix(in srgb, var(--accent3) 55%, transparent 45%);
  --ui-input-shadow: 0 0 0 2px color-mix(in srgb, var(--accent3) 25%, transparent 75%);
  --ui-button-surface: linear-gradient(120deg, rgba(55, 77, 173, 0.9), rgba(98, 128, 255, 0.85));
  --ui-button-text: color-mix(in srgb, var(--color7) 90%, var(--accent3) 10%);
  --ui-background: radial-gradient(circle at top, color-mix(in srgb, var(--color3) 48%, transparent 52%), color-mix(in srgb, var(--color1) 90%, transparent 10%)), var(--color1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: var(--hf-font-family);
  font-weight: 580;
  font-stretch: 108%;
  font-variation-settings: "wght" 580;
  letter-spacing: 0.01em;
  background: var(--ui-background);
  color: var(--color6);
  text-size-adjust: none;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: color-mix(in srgb, var(--accent4) 75%, var(--color6) 25%);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover,
 a:focus-visible {
  color: color-mix(in srgb, var(--color7) 85%, var(--accent3) 15%);
  outline: none;
}

body.landing-page {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(40px, 12vh, 80px) clamp(16px, 5vw, 48px);
}

main.landing-shell {
  width: min(960px, 100%);
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

main.landing-shell header {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  text-align: center;
}

main.landing-shell h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 44px);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--accent3) 80%, var(--color7) 20%);
}

main.landing-shell p {
  margin: 0;
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color6) 75%, var(--accent3) 25%);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(18px, 4vw, 28px);
}

a.demo-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border-radius: var(--ui-corner-radius);
  text-decoration: none;
  background: color-mix(in srgb, var(--color2) 88%, transparent 12%);
  border: 1px solid var(--ui-panel-border);
  color: inherit;
  box-shadow: var(--ui-panel-shadow);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

a.demo-card:hover,
 a.demo-card:focus-visible {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent3) 45%, transparent 55%);
  box-shadow: 0 26px 60px rgba(12, 16, 32, 0.55);
  outline: none;
}

.demo-name {
  font-size: 18px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: color-mix(in srgb, var(--accent3) 85%, var(--color7) 15%);
}

.demo-summary {
  font-size: 14px;
  line-height: 1.6;
  color: color-mix(in srgb, var(--color6) 70%, var(--accent3) 30%);
}

footer.landing-footer {
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: color-mix(in srgb, var(--accent3) 50%, var(--color6) 50%);
}

footer.landing-footer span {
  color: color-mix(in srgb, var(--accent3) 65%, var(--color7) 35%);
}

body.two-column-layout {
  display: grid;
  grid-template-columns: minmax(272px, 320px) 1fr;
  min-height: 100vh;
}

body.two-column-layout.js-demo-layout {
  grid-template-columns: minmax(525px, 700px) 1fr;
  height: 100vh;
  overflow: hidden;
}

body.two-column-layout aside {
  padding: clamp(20px, 3vw, 28px);
  border-right: 1px solid color-mix(in srgb, var(--accent3) 20%, transparent 80%);
  background: color-mix(in srgb, var(--color2) 92%, transparent 8%);
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 3vw, 28px);
}

body.two-column-layout.js-demo-layout aside {
  overflow-y: auto;
  position: relative;
  padding: clamp(10px, 1.6vw, 18px);
  gap: clamp(10px, 1.8vw, 20px);
}

body.two-column-layout main {
  padding: clamp(20px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(18px, 3vw, 28px);
}

body.two-column-layout.js-demo-layout main {
  align-items: stretch;
  height: 100vh;
  overflow: hidden;
  padding: clamp(8px, 1.8vw, 20px);
  gap: clamp(10px, 1.6vw, 18px);
}

body.two-column-layout h1 {
  font-size: clamp(20px, 3vw, 24px);
  margin: 0;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: color-mix(in srgb, var(--accent3) 80%, var(--color7) 20%);
}

body.two-column-layout h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: color-mix(in srgb, var(--accent3) 70%, var(--color6) 30%);
}

.panel {
  background: var(--ui-panel-surface);
  border: 1px solid var(--ui-panel-border);
  border-radius: var(--ui-corner-radius);
  padding: 20px clamp(18px, 3vw, 24px);
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 2vw, 18px);
  box-shadow: var(--ui-panel-shadow);
}

.controls-panel {
  gap: clamp(16px, 3vw, 22px);
}

.field,
.inline-field,
.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  font-size: 12px;
  text-transform: lowercase;
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--accent3) 75%, var(--color6) 25%);
}

.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

body.two-column-layout.js-demo-layout .field-row {
  gap: 8px;
}

body.two-column-layout.js-demo-layout .button-row {
  gap: 6px;
}

.canvas-wrapper {
  display: flex;
  gap: clamp(18px, 3vw, 28px);
  align-items: flex-start;
}

.canvas-column {
  width: 100%;
  max-width: 1024px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

body.two-column-layout canvas {
  border: 1px solid color-mix(in srgb, var(--accent3) 25%, transparent 75%);
  background: repeating-conic-gradient(color-mix(in srgb, var(--color3) 55%, var(--color2) 45%) 0 25%, color-mix(in srgb, var(--color2) 60%, var(--color1) 40%) 0 50%);
  border-radius: var(--ui-corner-radius);
  image-rendering: pixelated;
  box-shadow: 0 20px 60px rgba(10, 12, 20, 0.55);
}

body.two-column-layout.js-demo-layout main {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

body.two-column-layout.js-demo-layout canvas {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: auto;
  height: auto;
  min-width: 100%;
  min-height: 100%;
  max-width: none;
  max-height: none;
  border: none;
  box-shadow: none;
  background: transparent;
  image-rendering: pixelated;
  z-index: 1;
}

.code-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 512px;
}

.code-panel pre,
pre.code-block {
  flex: 1;
  margin: 0;
  padding: 18px;
  background: color-mix(in srgb, var(--color1) 92%, transparent 8%);
  border-radius: var(--ui-corner-radius);
  font-size: 12px;
  line-height: 1.5;
  overflow: auto;
  max-height: 640px;
  border: 1px solid color-mix(in srgb, var(--accent3) 22%, transparent 78%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent3) 10%, transparent 90%);
}

code {
  font-family: var(--hf-font-family-mono);
}

.code-content {
  background: color-mix(in srgb, var(--color1) 92%, transparent 8%);
  border: 1px solid color-mix(in srgb, var(--accent3) 22%, transparent 78%);
  border-radius: 0 var(--ui-corner-radius-small) var(--ui-corner-radius) var(--ui-corner-radius);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent3) 12%, transparent 88%);
  overflow: hidden;
}

.code-content pre {
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  margin: 0;
  padding: 14px;
}

body.two-column-layout.js-demo-layout .code-content pre {
  padding: 12px;
}

#status,
.status-banner,
.status {
  font-size: 13px;
  min-height: 32px;
  padding: 12px 16px;
  border-radius: var(--ui-corner-radius-small);
  background: color-mix(in srgb, var(--color1) 88%, transparent 12%);
  border: 1px solid color-mix(in srgb, var(--color5) 35%, transparent 65%);
  color: color-mix(in srgb, var(--color5) 50%, var(--color6) 50%);
  white-space: pre-wrap;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color5) 15%, transparent 85%);
}

#status.info,
.status-banner.info,
.status.info {
  border-color: color-mix(in srgb, var(--color5) 35%, transparent 65%);
  color: color-mix(in srgb, var(--color5) 50%, var(--color6) 50%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color5) 15%, transparent 85%);
}

#status.error,
.status-banner.error,
.status.error {
  border-color: color-mix(in srgb, var(--red) 35%, transparent 65%);
  color: color-mix(in srgb, var(--red) 35%, var(--color6) 65%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--red) 15%, transparent 85%);
}

#status.success,
.status-banner.success,
.status.success {
  border-color: color-mix(in srgb, var(--green) 35%, transparent 65%);
  color: color-mix(in srgb, var(--green) 35%, var(--color6) 65%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--green) 15%, transparent 85%);
}

#status:empty,
.status-banner:empty,
.status:empty {
  display: none;
}

#errorBanner {
  display: none;
  font-size: 13px;
  padding: 12px 16px;
  border-radius: var(--ui-corner-radius-small);
  background: color-mix(in srgb, var(--red) 12%, var(--color1) 88%);
  border: 1px solid color-mix(in srgb, var(--red) 40%, transparent 60%);
  color: color-mix(in srgb, var(--red) 35%, var(--color6) 65%);
  white-space: pre-wrap;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--red) 18%, transparent 82%);
  width: 100%;
  max-width: 1024px;
}

body.two-column-layout.js-demo-layout #errorBanner {
  position: absolute;
  left: 50%;
  bottom: clamp(8px, 1.8vw, 20px);
  transform: translateX(-50%);
  width: min(90%, 420px);
  max-width: none;
  z-index: 10;
}

#errorBanner:empty {
  display: none;
}


.toggle-control,
.toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: color-mix(in srgb, var(--accent3) 65%, var(--color6) 35%);
}

.toggle-control input[type="checkbox"],
.toggle input[type="checkbox"] {
  width: 44px;
  height: 24px;
  appearance: none;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color3) 65%, transparent 35%);
  position: relative;
  cursor: pointer;
  border: 1px solid var(--ui-input-border);
  transition: background 150ms ease, border-color 150ms ease;
}

.toggle-control input[type="checkbox"]::after,
.toggle input[type="checkbox"]::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--color7);
  border-radius: 50%;
  transition: transform 150ms ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

.toggle-control input[type="checkbox"]:checked,
.toggle input[type="checkbox"]:checked {
  background: var(--ui-button-surface);
  border-color: transparent;
}

.toggle-control input[type="checkbox"]:checked::after,
.toggle input[type="checkbox"]:checked::after {
  transform: translateX(20px);
}

.toggle-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: color-mix(in srgb, var(--accent3) 65%, var(--color6) 35%);
}

.parameter-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.parameter-placeholder {
  margin: 0;
  font-size: 13px;
  color: color-mix(in srgb, var(--color6) 70%, var(--accent3) 30%);
  letter-spacing: 0.02em;
}

.parameter-control {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 14px;
  background: color-mix(in srgb, var(--color1) 75%, transparent 25%);
  border: 1px solid color-mix(in srgb, var(--accent3) 18%, transparent 82%);
  border-radius: calc(var(--ui-corner-radius) / 1.5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.parameter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: color-mix(in srgb, var(--color6) 90%, var(--accent3) 10%);
}

.parameter-value {
  font-variant-numeric: tabular-nums;
  color: color-mix(in srgb, var(--accent3) 85%, var(--color7) 15%);
}

.details-expando,
details.parameter-expando,
details.development-expando {
  background: color-mix(in srgb, var(--color1) 70%, transparent 30%);
  border: 1px solid color-mix(in srgb, var(--accent3) 18%, transparent 82%);
  border-radius: calc(var(--ui-corner-radius) / 1.5);
  padding: 0;
  color: inherit;
  box-shadow: var(--ui-panel-shadow);
}

details.parameter-expando summary,
details.development-expando summary,
.details-expando summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: color-mix(in srgb, var(--accent3) 70%, var(--color6) 30%);
  padding: 16px 20px;
  list-style: none;
}

body.two-column-layout.js-demo-layout details.development-expando summary,
body.two-column-layout.js-demo-layout .details-expando summary {
  padding: 10px 12px;
}

body.two-column-layout.js-demo-layout .details-expando__content,
body.two-column-layout.js-demo-layout .development-controls,
body.two-column-layout.js-demo-layout .development-debug {
  gap: 8px;
  padding: 0 12px 12px;
}

details.parameter-expando summary::-webkit-details-marker,
details.development-expando summary::-webkit-details-marker,
.details-expando summary::-webkit-details-marker {
  display: none;
}

details.parameter-expando[open] summary,
details.development-expando[open] summary,
.details-expando[open] summary {
  border-bottom: 1px solid color-mix(in srgb, var(--accent3) 20%, transparent 80%);
  margin-bottom: 12px;
}

.parameter-expando__content,
.development-controls,
.development-debug,
.details-expando__content {
  display: grid;
  gap: 12px;
  padding: 0 20px 20px;
}

.parameter-expando__content {
  grid-auto-rows: minmax(min-content, max-content);
}

.controls-expando .details-expando__content {
  gap: 14px;
}

.code-expando__content {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 512px;
}

.code-expando__content .code-content {
  flex: 1 1 auto;
}

body.two-column-layout.js-demo-layout .code-expando__content {
  gap: 0;
  padding: 0 12px 12px;
}

body.two-column-layout.js-demo-layout .code-expando__content #tabs {
  margin: 0 0 0 12px;
}

.parameter-expando__hint {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: color-mix(in srgb, var(--color6) 65%, var(--accent3) 35%);
}

.mode-toggle {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
}

.mode-toggle button {
  background: var(--ui-input-surface);
  border: 1px solid var(--ui-input-border);
  color: color-mix(in srgb, var(--accent3) 65%, var(--color6) 35%);
  font-weight: 500;
}

.mode-toggle button.active {
  background: var(--ui-button-surface);
  border-color: transparent;
  color: color-mix(in srgb, var(--color1) 85%, transparent 15%);
  font-weight: 650;
  box-shadow: 0 8px 18px rgba(26, 36, 78, 0.4);
}

.field-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.field-controls button {
  background: var(--ui-input-surface);
  border-color: var(--ui-input-border);
  color: color-mix(in srgb, var(--accent3) 65%, var(--color6) 35%);
  font-weight: 500;
}

.field-controls button:hover {
  border-color: var(--ui-input-border-strong);
}

.transport-controls {
  display: flex;
  gap: 12px;
  align-items: center;
}

input[type="range"] {
  width: 100%;
  accent-color: color-mix(in srgb, var(--accent3) 70%, var(--color7) 30%);
}

@media (max-width: 960px) {
  body.two-column-layout {
    grid-template-columns: 1fr;
  }

  body.two-column-layout aside {
    border-right: none;
    border-bottom: 1px solid color-mix(in srgb, var(--accent3) 20%, transparent 80%);
  }

  body.two-column-layout.js-demo-layout {
    height: auto;
    overflow: visible;
    display: flex;
    flex-direction: column;
  }

  body.two-column-layout.js-demo-layout aside {
    height: auto;
    overflow: visible;
    max-height: none;
  }

  body.two-column-layout.js-demo-layout main {
    height: auto;
    overflow: visible;
    position: relative;
    padding: 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .canvas-wrapper {
    flex-direction: column;
  }

  body.two-column-layout canvas {
    width: 100%;
    height: auto;
  }

  .code-panel {
    min-height: auto;
  }

  body.two-column-layout.js-demo-layout .canvas-column {
    min-height: 0;
    aspect-ratio: var(--canvas-aspect, 1);
  }

  body.two-column-layout.js-demo-layout canvas {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    width: 100%;
    height: auto;
    min-width: 0;
    min-height: 0;
    max-width: 100%;
    max-height: 60vh;
    border: 1px solid color-mix(in srgb, var(--accent3) 25%, transparent 75%);
    border-radius: var(--ui-corner-radius);
    box-shadow: 0 20px 60px rgba(10, 12, 20, 0.55);
    object-fit: contain;
  }

  body.two-column-layout.js-demo-layout #errorBanner {
    position: static;
    transform: none;
    width: calc(100% - 32px);
    margin: 16px;
  }

  body.two-column-layout.js-demo-layout #loadingOverlay {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
  }
}