:root {
  --surface: rgba(255, 251, 245, 0.84);
  --surface-strong: #fffaf2;
  --ink: #172121;
  --muted: #5f645f;
  --line: rgba(23, 33, 33, 0.12);
  --accent: #0f766e;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --shadow: 0 24px 60px rgba(60, 51, 42, 0.14);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(197, 125, 31, 0.18), transparent 26%),
    radial-gradient(circle at bottom right, rgba(15, 118, 110, 0.16), transparent 28%),
    linear-gradient(135deg, #f6f1e8, #f0e8d8 55%, #efe5d0);
}
button, input, textarea, select { font: inherit; }
.shell { display: grid; grid-template-columns: 300px 1fr; min-height: 100vh; }
.sidebar {
  display: flex;
  flex-direction: column;
  padding: 28px;
  border-right: 1px solid var(--line);
  background: rgba(255, 248, 239, 0.82);
  backdrop-filter: blur(18px);
}
.eyebrow {
  margin: 0 0 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--muted);
}
.sidebar h1, .hero h2, .metric-value { font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif; }
.sidebar h1 { margin: 0; font-size: 2rem; }
.muted { color: var(--muted); }
.language-switch {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}
.language-switch label {
  color: var(--muted);
  font-size: 0.9rem;
}
.nav { display: grid; gap: 10px; margin-top: 28px; }
.nav-link {
  border: 1px solid transparent;
  background: transparent;
  text-align: left;
  padding: 12px 14px;
  border-radius: 14px;
  cursor: pointer;
}
.nav-link:hover, .nav-link.active, .panel, .metric-card, .hero, .skill-card, .transaction-card, .key-card, .review-card, .banner {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.main { padding: 28px; }
.hero, .panel, .metric-card, .skill-card, .transaction-card, .key-card, .review-card, .banner {
  border-radius: 24px;
  padding: 18px;
}
.hero {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 18px;
}
.hero-actions {
  display: flex;
  align-items: stretch;
  gap: 16px;
}
.hero h2 { margin: 0; font-size: clamp(2rem, 3vw, 3.4rem); }
.hero-badge span { display: block; color: var(--muted); margin-bottom: 6px; }
.hero-badge strong { font-size: 2rem; color: var(--accent); }
.session-card {
  min-width: 240px;
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}
.session-meta {
  display: grid;
  gap: 4px;
}
.session-meta span {
  color: var(--muted);
  font-size: 0.92rem;
}
.banner { display: none; margin-bottom: 18px; }
.banner.visible { display: block; }
.banner.error { border-color: rgba(159, 58, 73, 0.35); color: #7a2130; }
.banner.success { border-color: rgba(15, 118, 110, 0.35); color: #0f5a54; }
.view { display: none; }
.view.active { display: block; }
.welcome-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}
.tutorial-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}
.step-list, .capability-list {
  display: grid;
  gap: 12px;
}
.tutorial-list {
  display: grid;
  gap: 14px;
}
.doc-stack {
  display: grid;
  gap: 18px;
}
.modal-shell {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(23, 33, 33, 0.34);
  backdrop-filter: blur(6px);
  z-index: 20;
}
.modal-shell.hidden {
  display: none;
}
.hidden {
  display: none !important;
}
.modal-card {
  width: min(560px, 100%);
  border-radius: 24px;
  padding: 22px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.auth-feedback {
  margin: 14px 0 18px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  line-height: 1.5;
}
.auth-feedback.error {
  background: rgba(159, 58, 73, 0.09);
  border-color: rgba(159, 58, 73, 0.28);
  color: #8d2334;
}
.auth-feedback.success {
  background: rgba(15, 118, 110, 0.08);
  border-color: rgba(15, 118, 110, 0.24);
  color: #0d625a;
}
.submit-form-feedback {
  margin: 0 0 6px;
}
.pagination-row,
.toolbar-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 16px;
}
.marketplace-guest-note {
  flex-basis: 100%;
  color: var(--muted);
  font-size: 0.92rem;
}
.inline-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}
.inline-check input {
  width: auto;
}
.readiness-pill {
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.82rem;
  border: 1px solid transparent;
}
.readiness-ready {
  background: rgba(15, 118, 110, 0.16);
  color: #0f5a54;
  border-color: rgba(15, 118, 110, 0.28);
}
.readiness-credentials {
  background: rgba(180, 83, 9, 0.14);
  color: #8a4b00;
  border-color: rgba(180, 83, 9, 0.28);
}
.readiness-local {
  background: rgba(43, 108, 176, 0.14);
  color: #245985;
  border-color: rgba(43, 108, 176, 0.28);
}
.readiness-template {
  background: rgba(122, 33, 48, 0.12);
  color: #7a2130;
  border-color: rgba(122, 33, 48, 0.24);
}
.pagination-row {
  justify-content: space-between;
}
.admin-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 18px;
}
.admin-list {
  display: grid;
  gap: 12px;
}
.admin-item {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
  cursor: pointer;
}
.admin-item.active {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.admin-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.form-grid {
  display: grid;
  gap: 12px;
}
.form-grid textarea,
.form-grid input,
.form-grid select {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 12px 14px;
  background: var(--surface-strong);
}
.helper-text {
  color: var(--muted);
  font-size: 0.9rem;
}
.required-mark {
  color: #8d2334;
  font-weight: 700;
}
.danger-btn {
  cursor: pointer;
  border-radius: 14px;
  padding: 10px 14px;
  border: 1px solid #b3505e;
  background: #f8e8ea;
  color: #8d3341;
}
.tab-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.tab-btn {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}
.tab-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.code-card {
  position: relative;
}
.copy-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  border: 1px solid rgba(255,255,255,0.24);
  background: rgba(255,255,255,0.12);
  color: white;
  border-radius: 10px;
  padding: 6px 10px;
  cursor: pointer;
}
.copy-btn:hover {
  background: rgba(255,255,255,0.2);
}
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}
.step-item, .capability-item {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
}
.tutorial-item {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
}
.tutorial-item strong {
  display: block;
  margin-bottom: 8px;
}
.doc-card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
}
.doc-card h4 {
  margin: 0 0 10px;
}
.doc-card p {
  margin-bottom: 0;
}
.mono-block {
  margin: 0;
  padding: 14px 16px;
  border-radius: 18px;
  background: #132927;
  color: white;
  overflow: auto;
  white-space: pre-wrap;
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.92rem;
}
.metrics-grid, .three-grid, .two-grid, .skill-grid, .billing-grid, .keys-grid, .detail-layout {
  display: grid;
  gap: 18px;
}
.metrics-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 20px; }
.three-grid, .skill-grid, .keys-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.two-grid, .billing-grid, .detail-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.metric-label, .metric-meta { margin: 0; }
.metric-label, .skill-stats, small { color: var(--muted); }
.metric-value { margin: 12px 0 10px; font-size: 2rem; }
.section-title, .skill-head, .detail-hero, .row-between, .score-stack, .filter-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.section-title h3, .skill-head h3, .detail-hero h3 { margin: 0; }
.pill {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.86rem;
}
.score-ring {
  display: grid;
  place-items: center;
  width: 112px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--surface-strong) 52%, transparent 53%),
    conic-gradient(var(--accent) calc(var(--score) * 1%), rgba(15, 118, 110, 0.16) 0);
}
.score-ring strong { font-size: 1.6rem; }
.score-list, .review-form, .review-list { display: grid; gap: 10px; }
.auth-inline { display: grid; gap: 10px; grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
.score-list div, .inline-stat { display: flex; justify-content: space-between; gap: 12px; }
.skill-card { display: grid; gap: 16px; }
.skill-card p, .panel p, .review-card p { margin-top: 0; }
.skill-card button, .primary-btn, .secondary-btn {
  cursor: pointer;
  border-radius: 14px;
  padding: 10px 14px;
  border: 1px solid var(--line);
}
.skill-card button, .star, input, select, textarea, .secondary-btn { background: var(--surface-strong); }
.primary-btn { background: var(--accent); border-color: var(--accent); color: white; }
button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.58;
  cursor: not-allowed;
}
.filter-row input, .filter-row select, textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 12px 14px;
}
.stars { display: flex; gap: 8px; }
.star {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  cursor: pointer;
}
.star.active { background: #f3cb7d; border-color: #d49832; }
.inline-stat { padding: 10px 0; border-bottom: 1px solid var(--line); }
.inline-stat:last-child { border-bottom: 0; }
.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  padding: 14px 18px;
  background: #132927;
  color: white;
  border-radius: 16px;
}
@media (max-width: 1120px) {
  .metrics-grid, .three-grid, .skill-grid, .keys-grid, .two-grid, .billing-grid, .detail-layout, .welcome-grid, .tutorial-grid, .admin-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .hero, .section-title, .detail-hero, .skill-head, .row-between, .score-stack, .filter-row {
    flex-direction: column;
    align-items: stretch;
  }
  .auth-inline { grid-template-columns: 1fr; }
  .hero-actions {
    width: 100%;
    flex-direction: column;
  }
  .metrics-grid, .three-grid, .skill-grid, .keys-grid, .two-grid, .billing-grid, .detail-layout, .welcome-grid, .tutorial-grid, .admin-grid { grid-template-columns: 1fr; }
}