:root {
  --paper: #f5f4eb;
  --surface: #fffdf7;
  --ink: #171d1a;
  --muted: #69736d;
  --line: rgb(23 29 26 / 12%);
  --green: #0f9f73;
  --green-dark: #0c3c31;
  --green-soft: #dff3ea;
  --orange: #ef9a43;
  --blue: #3978f2;
  --shadow: 0 28px 80px rgb(40 55 47 / 14%);
  color-scheme: light;
  font-family: "Avenir Next", "Hiragino Sans", "Yu Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgb(15 159 115 / 18%), transparent 28rem),
    radial-gradient(circle at 88% 10%, rgb(239 154 67 / 17%), transparent 30rem),
    linear-gradient(135deg, #eef5ef 0%, var(--paper) 52%, #eee8db 100%);
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.page {
  width: min(1380px, calc(100% - 48px));
  margin: 0 auto;
  padding: 34px 0 44px;
}

.page > *,
.workspace > *,
.control-panel,
.preview-panel,
.preview-stage,
.svg-preview,
.code-panel {
  min-width: 0;
  max-width: 100%;
}

h1,
h2,
p,
pre,
fieldset {
  margin: 0;
}

.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 22px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.eyebrow::before {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 2px 2px 0 var(--orange);
  content: "";
}

h1 {
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1;
  letter-spacing: -0.07em;
  overflow-wrap: anywhere;
}

.lead {
  margin-top: 13px;
  color: var(--muted);
  font-size: clamp(16px, 1.7vw, 19px);
  font-weight: 800;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.hero-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 17px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: rgb(255 253 247 / 82%);
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 10px 26px rgb(30 49 40 / 8%);
  transition: translate 180ms ease, background 180ms ease;
}

.button:hover {
  translate: 0 -2px;
}

.button--primary {
  border-color: var(--green-dark);
  color: white;
  background: var(--green-dark);
}

.button-icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgb(255 255 255 / 14%);
  font-size: 13px;
}

.button--quiet .button-icon {
  color: var(--green-dark);
  background: var(--green-soft);
}

.workspace {
  display: grid;
  grid-template-columns: 400px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.control-panel,
.preview-panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgb(255 253 247 / 80%);
  box-shadow: var(--shadow);
}

.control-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.control-section {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgb(255 255 255 / 56%);
}

.section-head,
.section-head > div,
.layer-editor-head,
.background-row {
  display: flex;
  align-items: center;
}

.section-head,
.layer-editor-head,
.background-row {
  justify-content: space-between;
  gap: 14px;
}

.section-head {
  margin-bottom: 14px;
}

.section-head > div {
  gap: 9px;
}

.section-number {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  color: white;
  background: var(--green-dark);
  font-size: 11px;
  font-weight: 900;
}

.section-head h2 {
  font-size: 20px;
  letter-spacing: -0.04em;
}

.layer-count,
.format-chip {
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--green-dark);
  background: var(--green-soft);
  font-size: 11px;
  font-weight: 900;
}

.size-presets,
.layer-tabs,
.segmented {
  display: flex;
  gap: 7px;
}

.size-presets {
  margin-bottom: 13px;
}

.size-presets button,
.layer-tab,
.segmented button {
  min-width: 0;
  border: 1px solid var(--line);
  color: var(--muted);
  background: white;
  font-weight: 900;
}

.size-presets button {
  flex: 1 1 0;
  min-height: 38px;
  padding: 0 10px;
  border-radius: 12px;
  font-size: 12px;
}

.size-presets button[aria-pressed="true"],
.segmented button[aria-pressed="true"] {
  border-color: var(--green);
  color: var(--green-dark);
  background: var(--green-soft);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.field-grid--canvas {
  margin-bottom: 12px;
}

.field,
.range-field {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.field > span:first-child,
.direction-field legend {
  color: var(--muted);
}

.number-input,
.color-control {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
}

.number-input input {
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  outline-offset: 5px;
  color: var(--ink);
  background: transparent;
  font-size: 14px;
  font-weight: 900;
}

.number-input small {
  color: var(--muted);
}

.color-control input {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.color-control input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-control input::-webkit-color-swatch {
  border: 0;
  border-radius: 8px;
}

.color-control output {
  min-width: 0;
  color: var(--ink);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.background-row .field {
  flex: 1 1 auto;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.switch input {
  width: 36px;
  height: 20px;
  margin: 0;
  accent-color: var(--green);
}

.layer-tabs {
  margin-bottom: 12px;
}

.layer-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 1 1 0;
  min-height: 42px;
  padding: 0 8px;
  border-radius: 13px;
  font-size: 12px;
}

.layer-tab.is-active {
  border-color: var(--green-dark);
  color: white;
  background: var(--green-dark);
}

.layer-tab.is-disabled {
  opacity: 0.5;
}

.layer-swatch {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--layer-color, var(--green));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--layer-color, var(--green)) 18%, transparent);
}

.layer-editor {
  display: grid;
  gap: 15px;
  padding: 15px;
  border-radius: 17px;
  background: var(--paper);
}

.layer-editor-head strong {
  font-size: 17px;
  letter-spacing: -0.03em;
}

.range-field > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.range-field b {
  color: var(--muted);
}

.range-field output {
  color: var(--green-dark);
  font-size: 12px;
}

.randomness-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.reroll-button {
  min-height: 38px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: var(--green-dark);
  background: white;
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}

.reroll-button:hover {
  border-color: var(--green);
  background: var(--green-soft);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--green);
}

.direction-field {
  padding: 0;
  border: 0;
}

.direction-field legend {
  margin-bottom: 7px;
  font-size: 12px;
  font-weight: 900;
}

.segmented button {
  flex: 1 1 0;
  min-height: 38px;
  padding: 0 7px;
  border-radius: 11px;
  font-size: 11px;
}

.preview-panel {
  position: sticky;
  top: 18px;
  padding: 18px;
}

.preview-toolbar,
.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.preview-toolbar {
  margin-bottom: 12px;
}

.preview-toolbar div {
  display: grid;
  gap: 3px;
}

.preview-toolbar span,
.code-head > span {
  color: var(--green);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.11em;
}

.preview-toolbar strong {
  font-size: 15px;
}

.preview-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 430px;
  padding: 22px;
  border-radius: 20px;
  background:
    linear-gradient(45deg, #e9e8df 25%, transparent 25%, transparent 75%, #e9e8df 75%),
    linear-gradient(45deg, #e9e8df 25%, #f7f6ef 25%, #f7f6ef 75%, #e9e8df 75%);
  background-position: 0 0, 10px 10px;
  background-size: 20px 20px;
  overflow: hidden;
}

.svg-preview {
  width: 100%;
  overflow: hidden;
  border-radius: 14px;
  box-shadow: 0 20px 54px rgb(24 44 35 / 16%);
}

.svg-preview svg {
  display: block;
  width: 100%;
  height: auto;
}

.preview-panel.is-paused .svg-preview svg {
  visibility: hidden;
}

.preview-panel.is-paused .svg-preview::after {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 900;
  content: "paused";
}

.code-panel {
  margin-top: 14px;
  border-radius: 18px;
  color: #fffdf7;
  background: var(--green-dark);
  overflow: hidden;
}

.code-head {
  padding: 13px 15px;
  border-bottom: 1px solid rgb(255 255 255 / 12%);
}

.code-head > span {
  color: #9ce7c5;
}

.code-head button {
  padding: 7px 10px;
  border: 1px solid rgb(255 255 255 / 18%);
  border-radius: 10px;
  color: white;
  background: rgb(255 255 255 / 8%);
  font-size: 11px;
  font-weight: 900;
}

.code-panel pre {
  max-height: 170px;
  padding: 15px;
  overflow: auto;
}

.code-panel code {
  color: #fffdf7;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  line-height: 1.65;
  white-space: pre;
}

.copy-status {
  min-height: 0;
  color: #9ce7c5;
  font-size: 11px;
  text-align: right;
}

.copy-status:not(:empty) {
  padding: 0 15px 12px;
}

@media (max-width: 1040px) {
  .workspace {
    grid-template-columns: 360px minmax(0, 1fr);
  }

  .preview-stage {
    min-height: 360px;
  }
}

@media (max-width: 860px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .preview-panel {
    position: static;
    grid-row: 1;
  }

  .preview-stage {
    min-height: 0;
  }
}

@media (max-width: 620px) {
  .page {
    width: min(100% - 24px, 560px);
    padding: 22px 0 30px;
  }

  .hero {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .button {
    padding-inline: 11px;
  }

  .control-panel,
  .preview-panel {
    border-radius: 22px;
  }

  .preview-panel,
  .control-panel {
    padding: 12px;
  }

  .preview-stage {
    padding: 12px;
    border-radius: 16px;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .randomness-field {
    grid-template-columns: 1fr;
  }

  .reroll-button {
    justify-self: end;
  }

  .field-grid--canvas {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .layer-tabs {
    gap: 5px;
  }

  .layer-tab {
    padding-inline: 5px;
  }

  .code-panel pre {
    max-height: 140px;
  }

  .code-panel code {
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .button,
  .size-presets button,
  .layer-tab,
  .segmented button {
    transition: none;
  }
}