@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap");

:root {
  --bg: #f4f1ed;
  --panel: #fffdf9;
  --ink: #1c1b1a;
  --muted: #5c5a56;
  --accent: #2b6cb0;
  --accent-2: #d9822b;
  --border: #e0dbd3;
  --shadow: 0 12px 40px rgba(25, 25, 25, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #f9f2e7 0%, #f4f1ed 35%, #e8ecef 100%);
  color: var(--ink);
}

.hero {
  padding: 48px 24px 24px;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 32px;
}

.hero h1 {
  font-size: 44px;
  margin: 10px 0 12px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  color: var(--muted);
}

.subhead {
  font-size: 18px;
  color: var(--muted);
  max-width: 500px;
}

.hero-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.hero-card h3 {
  margin-top: 0;
}

.mode-toggle {
  display: inline-flex;
  gap: 8px;
  margin-top: 16px;
}

.mode-btn {
  border: 1px solid var(--border);
  background: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}

.mode-btn.is-active {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.grid {
  max-width: 1100px;
  margin: 0 auto 80px;
  padding: 0 24px;
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.panel-row {
  grid-column: 1 / -1;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(280px, 1fr) minmax(360px, 2fr);
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}

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

.model-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  cursor: pointer;
  background: #fff;
}

.model-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(43, 108, 176, 0.2);
}

.model-card h3 {
  margin: 0 0 6px;
}

.model-meta {
  font-size: 12px;
  color: var(--muted);
}

.feature-form {
  display: grid;
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-weight: 600;
}

.field input {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
}

.field textarea {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px;
  min-height: 180px;
}

.field select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  font-weight: 600;
}

.example-desc {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
}

.status {
  margin-top: 12px;
  color: var(--muted);
}

.table-wrap {
  margin-top: 12px;
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.admin-table th,
.admin-table td {
  border-bottom: 1px solid var(--border);
  padding: 8px 6px;
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  color: var(--muted);
  font-weight: 600;
}

.admin-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.admin-actions input {
  width: 120px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.progress-row {
  display: grid;
  gap: 14px;
}

.progress-label {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

progress {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  appearance: none;
}

progress::-webkit-progress-bar {
  background: #eee7dd;
  border-radius: 999px;
}

progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 999px;
}

.result-block {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.result-item {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

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

.value {
  font-weight: 600;
}

.params-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.params-section {
  margin-top: 16px;
}

.params-section h3 {
  margin: 0 0 8px;
  font-size: 14px;
}

.snapshot-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.ciphertext-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-top: 8px;
}

.ciphertext-block {
  margin-top: 12px;
}

.mono {
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px;
  color: #2c2c2c;
  background: #f3efe8;
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 10px;
  white-space: pre-wrap;
  word-break: break-all;
}

.ciphertext-block h3 {
  margin: 0 0 6px;
  font-size: 14px;
}

.param-note {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.progress-panel .progress-row {
  gap: 8px;
}

.progress-panel {
  padding: 16px 18px;
}

.progress-panel h2 {
  margin: 0 0 10px;
}

.progress-panel .progress-label {
  font-size: 11px;
}

.progress-panel progress {
  height: 10px;
}

.progress-panel .result-block {
  margin-top: 10px;
  gap: 8px;
}

.progress-panel .result-item {
  padding-bottom: 6px;
}

.explain-detailed {
  display: none;
}

body[data-mode="detailed"] .explain-detailed {
  display: block;
}

body[data-mode="detailed"] .explain-simple {
  display: none;
}

.detailed-only {
  display: none;
}

body[data-mode="detailed"] .detailed-only {
  display: block;
}

body[data-mode="detailed"] .simple-only {
  display: none;
}

body[data-mode="detailed"] .params-panel {
  grid-column: 1 / -1;
}

body[data-mode="detailed"] .snapshot-panel {
  grid-column: 1 / -1;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .panel-row {
    grid-template-columns: 1fr;
  }
}

.eyebrow a {
  color: inherit;
  text-decoration: none;
}