:root {
  --ink: #18231f;
  --muted: #65736d;
  --paper: #f6f1e7;
  --card: rgba(255, 252, 244, 0.82);
  --line: rgba(24, 35, 31, 0.14);
  --moss: #3c6b52;
  --cedar: #a6532a;
  --gold: #d8a336;
  --danger: #b5402d;
  --shadow: 0 24px 70px rgba(52, 45, 28, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Avenir Next", "Hiragino Sans", "Yu Gothic", "Songti SC", sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(216, 163, 54, 0.28), transparent 28rem),
    radial-gradient(circle at 82% 18%, rgba(60, 107, 82, 0.22), transparent 25rem),
    linear-gradient(135deg, #f8f0df 0%, #e8eee2 48%, #f3e1cd 100%);
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(24, 35, 31, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 35, 31, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
}

.shell {
  position: relative;
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.hero {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 28px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero h1 {
  margin: 8px 0 14px;
  font-family: "Songti SC", "Hiragino Mincho ProN", serif;
  font-size: clamp(56px, 9vw, 118px);
  line-height: 0.86;
  letter-spacing: -0.08em;
}

.hero-copy {
  width: min(660px, 100%);
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.lark-status {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.eyebrow {
  margin: 0;
  color: var(--cedar);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-panel,
.command-card,
.version-card,
.panel-list {
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: 22px;
  border-radius: 30px;
}

.metric {
  min-height: 110px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(24, 35, 31, 0.08);
}

.metric strong {
  display: block;
  margin-top: 10px;
  font-size: 34px;
  letter-spacing: -0.04em;
}

.metric span {
  color: var(--muted);
  font-size: 13px;
}

.command-card {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 20px;
  align-items: center;
  margin: 24px 0 34px;
  padding: 24px;
  border-radius: 32px;
}

.command-card h2,
.section-head h2 {
  margin: 6px 0 0;
  font-size: 26px;
  letter-spacing: -0.04em;
}

.goal-form {
  display: grid;
  grid-template-columns: 170px 1fr 90px 132px;
  gap: 12px;
}

input,
select,
button {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--ink);
  font: inherit;
}

input,
select {
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.58);
}

button {
  cursor: pointer;
  border: 0;
  color: #fffaf0;
  font-weight: 800;
  background: linear-gradient(135deg, var(--moss), #203c2c);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(60, 107, 82, 0.24);
}

.form-note {
  grid-column: 2;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
  align-items: start;
}

.section-head {
  margin-bottom: 14px;
}

.version-grid {
  display: grid;
  gap: 18px;
}

.version-card {
  overflow: hidden;
  border-radius: 30px;
}

.version-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  padding: 24px;
}

.version-title h3 {
  margin: 8px 0;
  font-size: 28px;
  letter-spacing: -0.05em;
}

.version-title p {
  margin: 0;
  color: var(--muted);
}

.health-ring {
  display: grid;
  place-items: center;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  color: #fffaf0;
  background: conic-gradient(var(--moss) var(--score), rgba(24, 35, 31, 0.12) 0);
  box-shadow: inset 0 0 0 12px rgba(255, 255, 255, 0.32);
}

.health-ring strong {
  font-size: 30px;
}

.version-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat {
  padding: 16px;
  border-right: 1px solid var(--line);
}

.stat:last-child {
  border-right: 0;
}

.stat span {
  color: var(--muted);
  font-size: 12px;
}

.stat strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
}

.scenario-strip,
.goal-strip {
  display: grid;
  gap: 10px;
  padding: 18px 24px 24px;
}

.scenario {
  display: grid;
  grid-template-columns: 98px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 13px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(24, 35, 31, 0.08);
}

.scenario strong {
  font-size: 13px;
}

.scenario p,
.goal-pill p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.gap {
  color: var(--cedar);
  font-weight: 900;
}

.goal-pill {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(60, 107, 82, 0.08);
}

.panel-list {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 26px;
  margin-bottom: 16px;
}

.panel-item {
  padding: 13px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.45);
}

.panel-item strong {
  display: block;
  margin-bottom: 5px;
}

.panel-item span {
  color: var(--muted);
  font-size: 12px;
}

.severity-high,
.severity-critical {
  border-left: 4px solid var(--danger);
}

.severity-medium {
  border-left: 4px solid var(--gold);
}

.severity-low {
  border-left: 4px solid var(--moss);
}

@media (max-width: 900px) {
  .hero,
  .command-card,
  .layout {
    grid-template-columns: 1fr;
  }

  .goal-form,
  .version-stats {
    grid-template-columns: 1fr;
  }

  .form-note {
    grid-column: 1;
  }

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