:root {
  --bg: #f4eee2;
  --bg-deep: #d8c8af;
  --panel: rgba(255, 251, 245, 0.92);
  --panel-strong: rgba(42, 33, 23, 0.92);
  --line: rgba(112, 85, 55, 0.18);
  --line-strong: rgba(112, 85, 55, 0.34);
  --text: #2d241b;
  --muted: #6f6254;
  --primary: #b64d1b;
  --primary-dark: #85340f;
  --accent: #1d6b7d;
  --success: #1d7b57;
  --danger: #b43737;
  --shadow: 0 30px 80px rgba(79, 56, 30, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.85), transparent 28%),
    radial-gradient(circle at right 20%, rgba(29, 107, 125, 0.1), transparent 22%),
    linear-gradient(135deg, var(--bg), var(--bg-deep));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(182, 77, 27, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(182, 77, 27, 0.035) 1px, transparent 1px);
  background-size: 24px 24px;
}

.page {
  position: relative;
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 42px 0 80px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.8fr);
  gap: 20px;
  align-items: end;
  margin-bottom: 24px;
}

.eyebrow,
.section-kicker,
h1,
.node-type,
.summary-card strong,
.primary-button,
.ghost-button,
.download-link {
  font-family: "Space Grotesk", sans-serif;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  color: var(--primary);
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.5rem, 4.4vw, 4.8rem);
  line-height: 0.95;
}

.intro {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero-note,
.workspace-card,
.preview-card,
.node-card,
.bundle-card {
  padding: 24px;
}

.hero-note {
  background:
    linear-gradient(150deg, rgba(42, 33, 23, 0.92), rgba(57, 42, 28, 0.88)),
    var(--panel-strong);
  color: #f8efe4;
}

.hero-note strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
}

.hero-note p {
  margin: 0;
  color: rgba(248, 239, 228, 0.78);
  line-height: 1.6;
}

.workspace,
.preview-grid,
.bundle-grid,
.node-list,
.results {
  display: grid;
  gap: 18px;
}

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

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0;
  font: 700 1.6rem "Space Grotesk", sans-serif;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.dropzone {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 28px;
  border: 2px dashed rgba(182, 77, 27, 0.24);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.58);
}

.dropzone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.drop-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.drop-subtitle,
.file-name,
.field span,
.field small,
.status,
.bundle-desc,
.meta-item span {
  color: var(--muted);
}

.file-name,
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(182, 77, 27, 0.08);
  color: var(--primary-dark);
  font-size: 0.9rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field-grid.compact {
  grid-template-columns: 1fr 1fr 0.8fr;
}

.field {
  display: grid;
  gap: 8px;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  background: rgba(255, 255, 255, 0.72);
}

.field textarea {
  resize: vertical;
  min-height: 160px;
}

.field small {
  line-height: 1.5;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 6px 0 4px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(112, 85, 55, 0.12);
}

.action-row {
  display: flex;
  gap: 14px;
  align-items: center;
}

.primary-button,
.ghost-button,
.download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  font: 700 1rem "Space Grotesk", sans-serif;
}

.primary-button,
.download-link {
  border: 0;
  color: #fffaf3;
  background: linear-gradient(135deg, var(--primary), #d0682b);
}

.ghost-button {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: transparent;
}

.primary-button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.status {
  min-height: 24px;
}

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

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

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.preview-yaml {
  min-height: 320px;
}

.guide-list {
  display: grid;
  gap: 14px;
}

.guide-item {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(112, 85, 55, 0.12);
}

.guide-item strong {
  display: block;
  margin-bottom: 6px;
}

.guide-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.summary-card {
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(45, 36, 27, 0.92);
  color: #fdf8f2;
}

.summary-card span {
  display: block;
  margin-bottom: 8px;
  color: rgba(253, 248, 242, 0.72);
}

.summary-card strong {
  font-size: 2rem;
}

.results {
  margin-top: 22px;
}

.node-top {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  margin-bottom: 18px;
}

.node-type {
  margin: 0 0 6px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.84rem;
}

.node-name {
  margin: 0;
  font-size: 1.5rem;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.meta-item {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(95, 73, 49, 0.1);
}

.meta-item span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.meta-item strong {
  word-break: break-word;
}

.config-box {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.config-box summary {
  cursor: pointer;
  font-weight: 700;
}

.node-yaml {
  margin: 14px 0 0;
  padding: 18px;
  border-radius: 16px;
  background: #201912;
  color: #f8ecd8;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.92rem;
  line-height: 1.55;
}

.hidden {
  display: none;
}

@media (max-width: 980px) {
  .hero,
  .workspace,
  .preview-grid,
  .field-grid,
  .field-grid.compact,
  .summary,
  .meta-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .page {
    width: min(100vw - 20px, 1240px);
    padding-top: 26px;
  }

  .section-head,
  .node-top,
  .action-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .primary-button,
  .ghost-button,
  .download-link {
    width: 100%;
  }
}