:root {
  --page-bg: #f2eee8;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --border: rgba(77, 55, 38, 0.12);
  --text-strong: #2d2219;
  --text-muted: #6f6155;
  --accent: #9a6844;
  --shadow-lg: 0 32px 70px rgba(68, 43, 25, 0.14);
  --shadow-md: 0 16px 32px rgba(68, 43, 25, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text-strong);
  background:
    radial-gradient(circle at top left, rgba(233, 202, 174, 0.55), transparent 28%),
    radial-gradient(circle at bottom right, rgba(194, 168, 145, 0.32), transparent 24%),
    linear-gradient(180deg, #f8f5f1 0%, var(--page-bg) 100%);
}

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

.page-shell {
  width: min(1280px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 36px 0 40px;
}

.hero {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.hero-copy {
  margin: 14px 0 0;
  max-width: 58ch;
  color: var(--text-muted);
  font-size: 1.02rem;
  line-height: 1.6;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.controls-card,
.preview-card {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg);
}

.controls-card {
  padding: 22px;
}

.preview-card {
  overflow: hidden;
}

.panel-header,
.preview-header {
  padding: 22px 22px 0;
}

.panel-header h2,
.preview-header h2 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.panel-header p,
.preview-header p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.5;
  font-size: 0.94rem;
}

.controls-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.control {
  display: grid;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.control span {
  color: var(--text-strong);
  font-weight: 700;
}

.control-wide {
  grid-column: 1 / -1;
}

select,
textarea,
input[type="range"] {
  width: 100%;
}

select,
textarea {
  border: 1px solid rgba(64, 44, 29, 0.12);
  border-radius: 14px;
  padding: 12px 14px;
  background: var(--surface-strong);
  color: var(--text-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

textarea {
  min-height: 190px;
  resize: vertical;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.45;
}

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

output {
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 700;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.button {
  appearance: none;
  border: 1px solid rgba(67, 47, 30, 0.14);
  border-radius: 999px;
  padding: 11px 16px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--text-strong);
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
  box-shadow: var(--shadow-md);
}

.button:hover {
  transform: translateY(-1px);
  border-color: rgba(67, 47, 30, 0.22);
}

.button-primary {
  background: linear-gradient(135deg, #b88055, #8c5d3d);
  color: white;
  border-color: transparent;
}

.status-message {
  min-height: 1.4em;
  margin: 14px 2px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.status-message.is-error {
  color: #9b2c2c;
}

.render-stage {
  display: grid;
  place-items: center;
  min-height: 620px;
  padding: 22px;
}

.render-stage svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 76vh;
  border-radius: 26px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.render-stage .empty-state {
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 420px;
  border: 1px dashed rgba(69, 47, 30, 0.16);
  border-radius: 24px;
  color: var(--text-muted);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.5), rgba(239, 233, 225, 0.7));
}

@media (max-width: 980px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .render-stage {
    min-height: 480px;
  }
}

@media (max-width: 680px) {
  .page-shell {
    width: min(100vw - 20px, 1280px);
    padding-top: 20px;
  }

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

  .control-wide {
    grid-column: auto;
  }

  .controls-card,
  .preview-card {
    border-radius: 20px;
  }

  .render-stage {
    padding: 14px;
    min-height: 360px;
  }
}