:root {
  color: #1d2421;
  background: #f3f5f4;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  --accent: #18775e;
  --accent-hover: #115d49;
  --border: #cbd2ce;
  --muted: #5f6964;
  --panel: #ffffff;
  --stage: #232927;
  --error: #b42318;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-width: 320px;
  min-height: 100%;
}

body {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
}

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

button,
input,
select,
textarea,
canvas {
  border-radius: 6px;
}

button {
  min-height: 38px;
  border: 1px solid var(--border);
  background: #f8faf9;
  cursor: pointer;
  font-weight: 650;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

button:hover:not(:disabled) {
  border-color: #87938d;
  background: #eef2f0;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
canvas:focus-visible {
  outline: 3px solid #9fd6c6;
  outline-offset: 2px;
}

.app-header {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 18px;
  border-bottom: 1px solid #111614;
  background: #202724;
  color: #f7faf8;
}

.brand-lockup {
  display: flex;
  min-width: 0;
  align-items: baseline;
  gap: 12px;
}

.brand {
  color: #83d7bd;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  overflow-wrap: anywhere;
  font-size: 20px;
  line-height: 1.2;
}

h2 {
  font-size: 16px;
  line-height: 1.25;
}

.local-badge {
  flex: 0 0 auto;
  color: #d5ded9;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

#app {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-columns: 320px minmax(0, 1fr);
}

#sidebar {
  min-width: 0;
  overflow-y: auto;
  padding: 18px;
  border-right: 1px solid var(--border);
  background: var(--panel);
}

#controls-heading {
  margin-bottom: 12px;
}

.control-section {
  min-width: 0;
  margin: 0;
  padding: 14px 0;
  border: 0;
  border-top: 1px solid #e1e5e3;
}

.control-section legend {
  margin-bottom: 9px;
  padding: 0;
  color: #303936;
  font-size: 13px;
  font-weight: 750;
}

label {
  display: block;
  margin: 0 0 5px;
  color: #39433f;
  font-size: 12px;
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  min-height: 38px;
  margin: 0 0 10px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  background: #fff;
}

input[type="color"] {
  height: 42px;
  padding: 4px;
}

input[type="file"] {
  min-height: 44px;
  padding: 7px;
  color: var(--muted);
  font-size: 12px;
}

textarea {
  min-height: 64px;
  resize: vertical;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #eef2f0;
}

.segmented button {
  border-color: transparent;
  background: transparent;
  font-size: 12px;
}

.segmented button[aria-pressed="true"] {
  border-color: #9ba7a1;
  background: #fff;
  color: #0e5e49;
}

.preset-grid {
  display: grid;
  margin-bottom: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.preset-grid button {
  min-width: 0;
  font-size: 12px;
}

.field-grid {
  display: grid;
  column-gap: 8px;
}

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

.actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.actions .primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.actions .primary:hover:not(:disabled) {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.actions .secondary {
  grid-column: 1 / -1;
}

#status {
  min-height: 20px;
  margin: 11px 0 0;
  color: #21654f;
  font-size: 12px;
  font-weight: 650;
}

#status[data-tone="error"] {
  color: var(--error);
}

#workspace {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: auto minmax(0, 1fr);
  background: var(--stage);
}

.workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 46px;
  padding: 10px 16px;
  border-bottom: 1px solid #3d4541;
  color: #f4f7f5;
}

#canvas-size {
  color: #b9c3be;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

#canvas-wrap {
  display: flex;
  min-width: 0;
  min-height: 0;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: 24px;
  background: #171c1a;
}

#canvas {
  display: block;
  max-width: 100%;
  height: auto !important;
  border: 1px solid #57615c;
  border-radius: 2px;
  background: #f1f3f2;
  box-shadow: 0 10px 28px rgb(0 0 0 / 32%);
  touch-action: none;
}

#canvas-wrap[data-mode="formal"] #canvas {
  border-color: #5da98f;
}

footer {
  padding: 6px 16px;
  border-top: 1px solid var(--border);
  background: #eef1ef;
  color: var(--muted);
  font-size: 11px;
  text-align: right;
}

@media (max-width: 960px) {
  body {
    display: block;
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
  }

  #app {
    display: flex;
    flex-direction: column;
  }

  #sidebar {
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  #workspace {
    min-height: 420px;
  }

  #canvas-wrap {
    min-height: 360px;
    overflow: hidden;
    padding: 16px 12px;
  }
}

@media (max-width: 430px) {
  .app-header {
    align-items: flex-start;
    padding: 10px 12px;
  }

  .brand-lockup {
    display: block;
  }

  .brand {
    display: block;
    margin-bottom: 2px;
  }

  h1 {
    font-size: 18px;
  }

  #sidebar {
    padding: 16px 12px;
  }

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

  .actions .secondary {
    grid-column: auto;
  }

  #workspace {
    min-height: 360px;
  }

  #canvas-wrap {
    min-height: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}