:root {
  color-scheme: light;
  --ink: #1f2a30;
  --ink-soft: #3e4b52;
  --paper: #f7f3ee;
  --sand: #efe6da;
  --accent: #2a8a7b;
  --accent-dark: #19685c;
  --highlight: #f0b35f;
  --outline: #d8cbbd;
  --shadow: rgba(23, 31, 35, 0.12);
  --font-sans: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-serif: "Fraunces", "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
}

.atmo {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 20%, rgba(42, 138, 123, 0.18), transparent 45%),
    radial-gradient(circle at 80% 10%, rgba(240, 179, 95, 0.24), transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(42, 138, 123, 0.15), transparent 45%),
    linear-gradient(135deg, #f7f3ee, #efe6da 65%, #f1ebe3);
}

.hero {
  max-width: 1100px;
  margin: 40px auto 24px;
  padding: 0 24px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  animation: fadeUp 600ms ease both;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.subtitle {
  margin: 0;
  max-width: 540px;
  color: var(--ink-soft);
}

.hero-badge {
  background: var(--sand);
  border: 1px solid var(--outline);
  border-radius: 20px;
  padding: 18px 20px;
  min-width: 220px;
  box-shadow: 0 16px 30px var(--shadow);
}

.badge-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

.badge {
  margin-top: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-dark);
}

.badge-note {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.layout {
  max-width: 1100px;
  margin: 0 auto 32px;
  padding: 0 24px;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(280px, 1fr) minmax(260px, 0.9fr);
}

.panel {
  background: rgba(247, 243, 238, 0.9);
  border: 1px solid var(--outline);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 18px 40px var(--shadow);
  animation: fadeUp 720ms ease both;
}

.panel:nth-of-type(2) {
  animation-delay: 120ms;
}

.panel:nth-of-type(3) {
  animation-delay: 220ms;
}

.panel-header h2,
.panel-header h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
}

.panel-header p {
  margin: 0 0 16px;
  color: var(--ink-soft);
}

.mode-toggle {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--outline);
  background: #fffaf4;
  font-size: 0.85rem;
  cursor: pointer;
  user-select: none;
}

.toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle span {
  font-weight: 600;
  color: var(--ink-soft);
}

.toggle input:checked + span {
  color: var(--accent-dark);
}

.input-block.hidden {
  display: none;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.field input {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--outline);
  background: #fffaf4;
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.field small {
  color: var(--ink-soft);
}

.row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.divider {
  margin: 18px 0 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--outline);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

button {
  border: none;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
}

button.primary {
  background: var(--accent);
  color: #fdf7f1;
  font-weight: 600;
}

button.primary:hover {
  background: var(--accent-dark);
}

button.ghost {
  background: transparent;
  border: 1px solid var(--outline);
  color: var(--ink-soft);
}

.steps {
  display: grid;
  gap: 16px;
}

.step {
  border: 1px solid var(--outline);
  border-radius: 18px;
  padding: 16px;
  background: #fffaf4;
}

.step-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.step-status {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.step-note {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.step[data-status="pass"] {
  border-color: rgba(42, 138, 123, 0.5);
  background: rgba(42, 138, 123, 0.08);
}

.step[data-status="fail"] {
  border-color: rgba(170, 86, 48, 0.6);
  background: rgba(170, 86, 48, 0.08);
}

.step[data-status="running"] {
  border-color: rgba(240, 179, 95, 0.7);
  background: rgba(240, 179, 95, 0.12);
}

.log-header {
  margin-top: 24px;
}

.log {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.result-panel {
  max-width: 1100px;
  margin: 0 auto 28px;
}

.result-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.result-card {
  background: #fffaf4;
  border: 1px solid var(--outline);
  border-radius: 18px;
  padding: 16px;
}

.result-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
}

.muted {
  color: var(--ink-soft);
}

.footer {
  max-width: 1100px;
  margin: 0 auto 40px;
  padding: 0 24px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

  .hero {
    margin-top: 28px;
  }
}