:root {
  --bg: #f4efe6;
  --bg-deep: #eadfcf;
  --card: rgba(255, 251, 244, 0.82);
  --card-strong: rgba(255, 247, 236, 0.96);
  --line: rgba(115, 82, 47, 0.14);
  --text: #24180d;
  --muted: #6d5640;
  --accent: #bd4b2a;
  --accent-strong: #7e1f10;
  --shadow: 0 24px 90px rgba(76, 41, 15, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 214, 157, 0.7), transparent 26%),
    radial-gradient(circle at bottom right, rgba(207, 93, 55, 0.22), transparent 30%),
    linear-gradient(135deg, var(--bg), var(--bg-deep));
}

.backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent);
}

.shell {
  position: relative;
  width: min(100vw - 32px, 1040px);
  margin: 0 auto;
  padding: 36px 0 48px;
}

.compact-shell {
  display: grid;
  place-items: center;
}

.page-stack {
  width: 100%;
  display: grid;
  gap: 24px;
}

.panel {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--card);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.self-panel,
.output-panel {
  padding: 32px;
}

.eyebrow {
  margin: 0 0 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--accent);
}

h1 {
  margin: 0;
  font-size: clamp(32px, 6vw, 56px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.summary,
.section-head p,
.status-text {
  color: var(--muted);
  line-height: 1.7;
}

.summary {
  margin: 18px 0 0;
  font-size: 17px;
}

.simple-stack {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.field {
  display: block;
}

.field span {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--muted);
}

input,
button {
  font: inherit;
}

input {
  width: 100%;
  border: 1px solid rgba(116, 77, 37, 0.14);
  border-radius: 18px;
  background: var(--card-strong);
  color: var(--text);
  padding: 16px 18px;
  outline: none;
}

.status-text {
  margin: 18px 0 0;
}

.section-head {
  margin-bottom: 16px;
}

.section-head h2 {
  margin: 0 0 6px;
  font-size: 22px;
}

.actions,
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

button {
  border: none;
  border-radius: 999px;
  padding: 14px 18px;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
}

button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  font-weight: 700;
}

button.ghost {
  background: rgba(255, 248, 237, 0.86);
  color: var(--text);
  border: 1px solid rgba(116, 77, 37, 0.12);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.metric-card {
  padding: 14px 16px;
  border-radius: 20px;
  background: rgba(255, 248, 237, 0.92);
  border: 1px solid rgba(116, 77, 37, 0.12);
}

.metric-card span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.metric-card strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}

.result-block {
  margin: 0;
  min-height: 420px;
  padding: 18px;
  overflow: auto;
  border-radius: 22px;
  border: 1px solid rgba(116, 77, 37, 0.12);
  background: linear-gradient(180deg, #22170f, #2f2115);
  color: #f7e8d5;
  font-family: "SFMono-Regular", "Menlo", monospace;
  line-height: 1.55;
}

.warnings {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(189, 75, 42, 0.08);
  border: 1px solid rgba(189, 75, 42, 0.16);
}

.warnings.hidden {
  display: none;
}

.warnings ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

@media (max-width: 720px) {
  .shell {
    width: min(100vw - 20px, 1040px);
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .self-panel,
  .output-panel {
    padding: 24px;
    border-radius: 24px;
  }

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