:root {
  --bg: #f4efe6;
  --bg-strong: #e7dcc7;
  --surface: rgba(255, 252, 246, 0.88);
  --surface-strong: #fffdf8;
  --ink: #1d2a32;
  --muted: #5e6d73;
  --line: rgba(29, 42, 50, 0.12);
  --accent: #dd6b2d;
  --accent-deep: #8b3b17;
  --accent-cool: #0f6d72;
  --ok: #1f7a48;
  --warn: #c7791a;
  --danger: #b33e3e;
  --shadow: 0 24px 60px rgba(54, 44, 25, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Bahnschrift", "Trebuchet MS", "Segoe UI", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(221, 107, 45, 0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(15, 109, 114, 0.18), transparent 24%),
    linear-gradient(180deg, #fbf6ee 0%, #efe4d1 100%);
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(29, 42, 50, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 42, 50, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.38), transparent);
}

.shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero,
.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  padding: 32px;
  margin-bottom: 24px;
}

.hero::after,
.panel::after {
  position: absolute;
  inset: auto auto 0 0;
  width: 160px;
  height: 160px;
  content: "";
  background: radial-gradient(circle, rgba(221, 107, 45, 0.2), transparent 68%);
  transform: translate(-25%, 25%);
}

.eyebrow,
.section-tag {
  margin: 0 0 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.04;
}

.hero-text {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.hero-panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.hero-stat {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(247, 239, 227, 0.86));
  border: 1px solid var(--line);
}

.hero-stat span,
.summary-label,
.metric-card span,
.chart-header span,
.note-card h3,
.diagnostic-card h3,
label span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-stat strong {
  display: block;
  margin-top: 8px;
  font-size: 1rem;
  line-height: 1.5;
}

.layout {
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr;
  gap: 24px;
  align-items: start;
}

.panel {
  padding: 28px;
  margin-bottom: 24px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 22px;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.5rem;
}

.form-grid {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  color: var(--ink);
  outline: none;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

input:focus,
select:focus {
  border-color: rgba(15, 109, 114, 0.62);
  box-shadow: 0 0 0 4px rgba(15, 109, 114, 0.12);
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.primary-btn,
.secondary-btn {
  border: none;
  border-radius: 999px;
  padding: 14px 18px;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.primary-btn {
  flex: 1 1 0;
  color: #fffaf4;
  background: linear-gradient(135deg, var(--accent), #ef8550);
  box-shadow: 0 14px 30px rgba(221, 107, 45, 0.25);
}

.secondary-btn {
  flex: 1 1 0;
  background: rgba(15, 109, 114, 0.08);
  color: var(--accent-cool);
}

.primary-btn:hover,
.secondary-btn:hover {
  transform: translateY(-1px);
}

.hidden {
  display: none;
}

.summary-strip {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, rgba(255, 248, 237, 0.92), rgba(242, 248, 246, 0.92));
  border: 1px solid var(--line);
}

.summary-strip strong {
  margin-top: 6px;
  display: block;
  font-size: 1.15rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 96px;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
}

.status-neutral {
  background: rgba(94, 109, 115, 0.12);
  color: var(--muted);
}

.status-ok {
  background: rgba(31, 122, 72, 0.12);
  color: var(--ok);
}

.status-warn {
  background: rgba(199, 121, 26, 0.14);
  color: var(--warn);
}

.status-danger {
  background: rgba(179, 62, 62, 0.14);
  color: var(--danger);
}

.metrics-grid,
.diagnostics,
.charts-grid,
.notes-grid {
  display: grid;
  gap: 16px;
}

.metrics-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.metric-card,
.diagnostic-card,
.chart-card,
.note-card {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 253, 249, 0.9);
  border: 1px solid var(--line);
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.38rem;
}

.diagnostics {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.diagnostic-card h3,
.note-card h3,
.chart-header h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 1.02rem;
}

.diagnostic-list,
.note-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.diagnostic-list li + li,
.note-list li + li {
  margin-top: 6px;
}

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

.chart-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 12px;
}

svg {
  width: 100%;
  height: auto;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(15, 109, 114, 0.04), transparent),
    #fcfaf5;
  border: 1px solid rgba(29, 42, 50, 0.06);
}

.notes-panel {
  margin-bottom: 0;
}

@media (max-width: 1024px) {
  .hero,
  .layout,
  .charts-grid,
  .notes-grid,
  .diagnostics,
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 28px;
  }

  .summary-strip {
    flex-direction: column;
    align-items: start;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, 1200px);
    padding-top: 18px;
    padding-bottom: 28px;
  }

  .panel,
  .hero {
    padding: 20px;
    border-radius: 22px;
  }

  .form-actions {
    flex-direction: column;
  }

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