:root {
  --bg-a: #f8f6f1;
  --bg-b: #e4efe9;
  --panel: #fffaf2;
  --border: #2f2b28;
  --accent: #c95b3d;
  --text: #221f1d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 15%, var(--bg-b), transparent 35%),
    radial-gradient(circle at 85% 85%, #f6dcc9, transparent 30%),
    linear-gradient(135deg, var(--bg-a), #f3eee3);
  display: grid;
  place-items: center;
  padding: 20px;
}

.app-shell {
  width: 100%;
  max-width: 680px;
}

h1 {
  margin: 0;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.subtitle {
  margin: 8px 0 20px;
}

.editor-card {
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 8px 8px 0 #00000014;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.toolbar button,
.download-btn,
.toolbar select,
.toolbar input[type="color"] {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 8px 10px;
  font: inherit;
}

.toolbar button,
.download-btn {
  cursor: pointer;
}

.toolbar button:hover,
.download-btn:hover {
  transform: translateY(-1px);
}

.editor {
  width: min(428px, 100%);
  height: auto;
  aspect-ratio: 1 / 1;
  margin-inline: auto;
  border: 2px dashed #6a625a;
  border-radius: 10px;
  padding: 14px;
  overflow-y: auto;
  background: #fff;
  font-size: 16px;
  line-height: 1.4;
}

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

.download-btn {
  margin-top: 12px;
  background: var(--accent);
  color: #fff;
  border-color: #7b2e1d;
}