:root {
  color-scheme: light;
  --bg: #f4efe5;
  --paper: #fffaf2;
  --ink: #14211d;
  --muted: #5d685f;
  --line: rgba(20, 33, 29, 0.12);
  --accent: #0f5b52;
  --accent-strong: #083f39;
  --accent-soft: #d8efe8;
  --warning: #8e4d1e;
  --shadow: 0 24px 60px rgba(20, 33, 29, 0.12);
  --radius: 22px;
  --mono: "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
  --sans: "Avenir Next", "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 91, 82, 0.14), transparent 32%),
    linear-gradient(180deg, #fbf7ef 0%, var(--bg) 100%);
}

button,
input,
textarea {
  font: inherit;
}

code {
  font-family: var(--mono);
}

.shell {
  width: min(1100px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  gap: 20px;
  align-items: stretch;
  margin-bottom: 22px;
}

.hero-copy,
.hero-card,
.panel,
.info-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 242, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-copy {
  padding: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.02;
}

.lede {
  max-width: 42rem;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.hero-card {
  display: grid;
  align-content: center;
  gap: 12px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(15, 91, 82, 0.08), rgba(15, 91, 82, 0.2)),
    rgba(255, 250, 242, 0.95);
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 91, 82, 0.16);
  color: var(--accent-strong);
  font-weight: 700;
}

.panel {
  padding: 22px;
}

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

.panel-head h2 {
  margin: 0;
  font-size: 1.25rem;
}

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

.ghost,
.primary {
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, color 140ms ease;
}

.ghost {
  padding: 11px 14px;
  background: rgba(15, 91, 82, 0.08);
  color: var(--accent-strong);
}

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

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

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

.field span {
  font-size: 0.95rem;
  font-weight: 700;
}

.field-wide {
  grid-column: 1 / -1;
}

.option-block {
  gap: 6px;
  padding: 4px 0;
}

.inline-check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  cursor: pointer;
}

.inline-check input {
  width: 18px;
  height: 18px;
  margin: 0;
  padding: 0;
}

.option-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(20, 33, 29, 0.12);
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(15, 91, 82, 0.16);
  border-color: rgba(15, 91, 82, 0.38);
}

textarea {
  min-height: 360px;
  resize: vertical;
  font-family: var(--mono);
  line-height: 1.6;
}

.submit-row {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.primary {
  min-height: 50px;
  padding: 0 20px;
  background: linear-gradient(135deg, var(--accent) 0%, #167063 100%);
  color: #fff;
  font-weight: 800;
}

.primary:disabled {
  cursor: not-allowed;
  opacity: 0.65;
  transform: none;
}

.status {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.status.ok {
  color: #177353;
}

.status.error {
  color: #b13f32;
}

.status.working {
  color: var(--accent);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.info-card {
  padding: 22px;
}

.info-card h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.info-card p,
.info-card li {
  color: var(--muted);
  line-height: 1.65;
}

.info-card ul {
  margin: 0;
  padding-left: 18px;
}

.warning {
  background:
    linear-gradient(135deg, rgba(142, 77, 30, 0.08), rgba(255, 250, 242, 0.92)),
    rgba(255, 250, 242, 0.92);
}

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

  .panel-head,
  .submit-row {
    display: block;
  }

  .panel-head .ghost,
  .submit-row .primary {
    width: 100%;
    margin-top: 12px;
  }
}