:root {
  --bg: #0e0d0b;
  --surface: #161310;
  --surface-2: #1d1a12;
  --surface-3: #242018;
  --text: #f0ebe2;
  --dim: #9a8b7a;
  --muted: #6a5d50;
  --line: #2b2318;
  --accent: #c48c3b;
  --accent-bg: rgba(196, 140, 59, 0.08);
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Sora", sans-serif;
  color: var(--text);
  background: var(--bg);
}

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

.page-shell {
  max-width: 1360px;
  margin: 0 auto;
  padding: 52px 28px 96px;
}

/* ── Hero ────────────────────────────────────────────── */

.hero {
  margin-bottom: 52px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 14px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3.2rem);
  line-height: 1.05;
  color: var(--text);
  letter-spacing: -0.01em;
}

.hero-text {
  max-width: 54ch;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: 0.9rem;
}

/* ── Workspace ───────────────────────────────────────── */

.workspace {
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 24px;
}

.panel-head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0;
}

.panel-head h2 {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}

.panel-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

/* ── Form ────────────────────────────────────────────── */

form {
  display: flex;
  flex-direction: column;
}

.form-body {
  display: flex;
  flex-direction: column;
}

.form-section {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 12px;
}

.form-body .form-section:last-child {
  border-bottom: none;
  padding-bottom: 8px;
}

.section-label {
  margin: 0 0 2px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

label {
  display: grid;
  gap: 5px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  color: var(--dim);
  letter-spacing: 0.02em;
}

.hint {
  font-family: "Sora", sans-serif;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0;
}

.field-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  color: var(--dim);
  letter-spacing: 0.02em;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 11px;
  background: var(--surface-2);
  color: var(--text);
  outline: none;
  transition: border-color 120ms, background 120ms;
  font-size: 0.88rem;
}

input::placeholder,
textarea::placeholder {
  color: var(--muted);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  background: var(--surface-3);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236a5d50' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

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

/* Checkboxes */

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  color: var(--dim);
  background: var(--surface-2);
  transition: border-color 120ms, background 120ms, color 120ms;
  user-select: none;
}

.checkbox-label:hover {
  border-color: var(--accent);
  background: var(--surface-3);
  color: var(--text);
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  border: none;
  padding: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.check-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  color: var(--dim);
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color 120ms, color 120ms;
  user-select: none;
}

.check-item:hover {
  border-color: var(--accent);
  color: var(--text);
}

.check-item input[type="checkbox"] {
  width: auto;
  border: none;
  padding: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

/* Action row */

.action-row {
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 14px;
  background: var(--surface-2);
  color: var(--dim);
  cursor: pointer;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  transition: border-color 120ms, color 120ms, background 120ms;
  white-space: nowrap;
}

button:hover {
  border-color: var(--dim);
  color: var(--text);
  background: var(--surface-3);
}

button.primary {
  background: var(--accent);
  color: #0e0d0b;
  border-color: var(--accent);
  font-weight: 500;
}

button.primary:hover {
  opacity: 0.85;
}

/* ── Preview ──────────────────────────────────────────── */

.preview {
  display: grid;
  gap: 14px;
}

.preview-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--surface-2);
  min-height: 360px;
  display: grid;
  place-items: center;
}

.svg-mount {
  width: 100%;
}

.svg-mount svg {
  width: 100%;
  height: auto;
  display: block;
}

.output-wrap {
  display: grid;
  gap: 5px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.output-wrap textarea {
  resize: vertical;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  line-height: 1.6;
  background: var(--surface-2);
  color: var(--dim);
  text-transform: none;
  letter-spacing: 0;
}

/* ── Presets ──────────────────────────────────────────── */

.presets-panel {
  margin-top: 14px;
}

.preset-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.preset-card {
  display: grid;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
  text-align: left;
  transition: border-color 120ms, background 120ms;
}

.preset-card:hover {
  border-color: var(--accent);
  background: var(--surface-2);
}

.preset-art {
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.preset-art svg {
  width: 100%;
  display: block;
}

.preset-copy {
  display: grid;
  gap: 3px;
}

.preset-copy strong {
  font-size: 0.84rem;
  color: var(--text);
}

.preset-copy span {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

/* ── Responsive ───────────────────────────────────────── */

@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 700px) {
  .page-shell {
    padding: 28px 16px 56px;
  }

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

  .hero h1 {
    font-size: 2rem;
  }

  .preset-gallery {
    grid-template-columns: 1fr;
  }
}