:root {
  --ink: #14213d;
  --accent: #d97706;
  --panel: rgba(255, 255, 255, 0.72);
  --border: rgba(20, 33, 61, 0.16);
  --code-fg: #f8fafc;
  --muted: #475569;
  --error: #b91c1c;
  --shadow: 0 24px 60px rgba(20, 33, 61, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(217, 119, 6, 0.22), transparent 30%),
    radial-gradient(circle at top right, rgba(20, 33, 61, 0.12), transparent 28%),
    linear-gradient(180deg, #f8f3ea 0%, #efe4d1 100%);
}

.layout {
  width: min(1380px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 48px;
}

.hero {
  margin-bottom: 18px;
  max-width: 1100px;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.8rem;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.9rem, 3.2vw, 3rem);
  line-height: 1;
}

.intro {
  max-width: 70rem;
  margin-top: 14px;
  font-size: 0.98rem;
  color: var(--muted);
}

.compose-only {
  display: block;
}

.compose-single {
  max-width: 1180px;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 20px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.panel h2 {
  margin: 0;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  font: inherit;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--ink), #274c77);
}

select {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  color: var(--ink);
  background: var(--panel);
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 250px;
  padding: 13px 22px;
  font-weight: 700;
  color: #fff8ef;
  background: linear-gradient(135deg, #d97706, #b45309);
  box-shadow: 0 12px 28px rgba(217, 119, 6, 0.28);
}

.primary-action:hover:enabled {
  filter: brightness(1.04);
}

.panel-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.CodeMirror {
  height: auto;
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  font: 0.95rem/1.5 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  color: var(--code-fg);
  background: linear-gradient(180deg, #152238 0%, #0f172a 100%);
}

.CodeMirror-gutters {
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 12, 26, 0.58);
}

.CodeMirror-linenumber {
  color: #8aa0bf;
}

.CodeMirror-cursor {
  border-left-color: #fde68a;
}

.CodeMirror-lines {
  padding: 14px 0;
}

.CodeMirror pre.CodeMirror-line,
.CodeMirror pre.CodeMirror-line-like {
  padding: 0 16px;
}

.cm-s-default .cm-keyword {
  color: #f59e0b;
}

.cm-s-default .cm-def {
  color: #7dd3fc;
}

.cm-s-default .cm-variable,
.cm-s-default .cm-variable-2,
.cm-s-default .cm-variable-3 {
  color: #f8fafc;
}

.cm-s-default .cm-string {
  color: #86efac;
}

.cm-s-default .cm-comment {
  color: #94a3b8;
}

.cm-s-default .cm-number,
.cm-s-default .cm-atom {
  color: #c4b5fd;
}

.status {
  min-height: 1.5rem;
  margin: 0 0 12px;
  color: var(--muted);
}

.status.error {
  color: var(--error);
}

.spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 248, 239, 0.32);
  border-top-color: #fff8ef;
  border-radius: 999px;
  animation: spin 0.8s linear infinite;
}

.primary-action.loading .spinner {
  display: inline-block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 980px) {
  .panel-header {
    flex-wrap: wrap;
  }

  .panel-tools {
    flex-wrap: wrap;
    width: 100%;
  }

  .primary-action {
    width: 100%;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}