* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 11%, transparent), transparent 34%),
    linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg) 92%, #000000));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button {
  cursor: pointer;
}

.app-shell {
  width: min(1500px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 20px 0 28px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: var(--shadow);
  padding: 16px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border: 1px solid color-mix(in srgb, var(--accent) 60%, var(--border));
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

h1,
p {
  margin: 0;
}

.brand-block h1 {
  color: var(--text);
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: 0;
}

.brand-block p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 0.78fr);
  gap: 16px;
  align-items: start;
}

.panel {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: var(--shadow);
}

.settings-panel,
.output-panel {
  padding: 16px;
}

.output-panel {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 14px;
}

.panel-title span {
  display: block;
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.panel-title strong {
  display: block;
  color: var(--text);
  font-size: 18px;
}

.settings-panel .panel-title {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.output-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}