/* Agent Skills catalogue (/frontier-analytics-skills/).
   Cards and inline details render without JavaScript. assets/js/skill-dialog.js
   moves each details section into a native <dialog> outside .page-content. */

/* ---- Cards ---- */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin: 8px 0 32px;
}
.skill-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.skill-card:hover { box-shadow: var(--shadow-card-hover); }
.skill-card p { margin: 0; }
.vi-page-body .skill-card .skill-card-title,
.page-content .skill-card .skill-card-title {
  margin: 0;
  padding-left: 0;
  border-left: 0;
  font-size: 1.15rem;
  line-height: 1.3;
}
.vi-page-body .skill-card .skill-card-summary { margin-top: 0; font-size: 0.95rem; }
.skill-card-summary { color: var(--text); font-size: 0.95rem; line-height: 1.5; }
.skill-card-note { color: var(--muted); font-size: 0.875rem; line-height: 1.45; }

.skill-badge {
  align-self: flex-start;
  margin: 0;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: var(--primary-tint);
  color: var(--primary-h);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.skill-badge-addon { background: var(--vi-purple-tint); color: var(--vi-purple); }

.page-content a.skill-start,
a.skill-start {
  align-self: flex-start;
  margin-top: auto;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: var(--primary);
  /* !important beats the site-wide .page-content a:not(...) link colour chain. */
  color: #fff !important;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}
.page-content a.skill-start:hover,
a.skill-start:hover { background: var(--primary-h); text-decoration: none; }
.skill-card .skill-card-note { margin-bottom: 8px; }

/* ---- Details (inline without JS, dialog body with JS) ---- */
.skill-details {
  margin: 0 0 32px;
  padding: 24px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  background: var(--surface);
}
.skill-details p,
.skill-details li { line-height: 1.55; }
.skill-details-header .skill-badge { margin-bottom: 8px; }
.skill-details .skill-details-title,
.vi-page-body .skill-details .skill-details-title {
  margin: 0 0 8px;
  padding-left: 0;
  border-left: 0;
  font-size: 1.5rem;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.skill-details-title:focus { outline: none; }
.skill-details-title:focus-visible { box-shadow: var(--focus-ring); border-radius: 4px; }
.skill-details-summary { margin: 0 0 8px; color: var(--text); }
.skill-details-requires,
.skill-details-links { margin: 0 0 6px; font-size: 0.9rem; color: var(--muted); }

.skill-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 8px;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--rule);
}
.skill-jump a {
  padding: 4px 12px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-pill);
  color: var(--ink);
  font-size: 0.85rem;
  text-decoration: none;
}
.skill-jump a:hover { border-color: var(--primary); color: var(--primary); }

.skill-section { padding-top: 16px; scroll-margin-top: 64px; }
.skill-details h4 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
}
.skill-details h5 {
  margin: 0 0 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}
.skill-details .skill-limits-title { margin-top: 20px; }
.skill-details h4:focus,
.skill-details h5:focus { outline: none; }
.skill-details h4:focus-visible,
.skill-details h5:focus-visible { box-shadow: var(--focus-ring); border-radius: 4px; }

.skill-steps {
  list-style: none;
  counter-reset: skill-step;
  margin: 0;
  padding: 0;
}
.skill-step {
  position: relative;
  counter-increment: skill-step;
  margin: 0 0 18px;
  padding-left: 40px;
}
.skill-step::before {
  content: counter(skill-step);
  position: absolute;
  left: 0;
  top: -2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 26px;
  text-align: center;
}
.skill-step-text p { margin: 0 0 8px; }
.skill-step-note { margin: 6px 0 0; color: var(--muted); font-size: 0.875rem; }

.skill-copyable { position: relative; }
.skill-details pre.skill-code {
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--surface-alt);
  font-size: 0.8rem;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.skill-details pre.skill-code code {
  padding: 0;
  border: 0;
  background: none;
  font-size: inherit;
  white-space: inherit;
}
.skill-details pre.skill-prompt,
.skill-details pre.skill-prompt code { font-family: inherit; font-size: 0.9rem; }
.skill-copy {
  display: inline-flex;
  align-items: center;
  margin-top: 8px;
  padding: 6px 14px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--primary);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}
.skill-copy[hidden] { display: none; }
.skill-copy:hover { background: var(--primary-tint); }
.skill-copy.is-copied { border-color: var(--tone-green-fg); background: var(--tone-green-bg); color: var(--tone-green-fg); }

.skill-fallback {
  margin: 4px 0 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 0.875rem;
}

.skill-questions,
.skill-outputs,
.skill-limits { margin: 0 0 16px; padding-left: 20px; }
.skill-questions li,
.skill-outputs li,
.skill-limits li { margin-bottom: 6px; }

.skill-previews {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 4px;
}
.skill-preview { margin: 0; }
.skill-preview img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: 10px;
}
.skill-preview figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--muted);
}
.skill-synthetic {
  padding: 1px 8px;
  border-radius: var(--radius-pill);
  background: var(--tone-rose-bg);
  color: var(--tone-rose-fg);
  font-size: 0.7rem;
  font-weight: 600;
}

/* ---- Dialog ---- */
html.skill-dialog-open { overflow: hidden; }
.skill-dialog {
  width: min(760px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  max-height: calc(100dvh - 48px);
  padding: 0;
  border: 0;
  border-radius: 20px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 24px 64px rgba(14, 23, 38, 0.28);
  overflow: auto;
  overscroll-behavior: contain;
}
.skill-dialog::backdrop { background: rgba(14, 23, 38, 0.5); }
.skill-dialog .skill-details {
  margin: 0;
  padding: 0 32px 32px;
  border: 0;
  border-radius: 0;
}
.skill-dialog-bar {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  justify-content: flex-end;
  padding: 12px 12px 0;
  background: linear-gradient(var(--surface) 70%, rgba(255, 255, 255, 0));
}
.skill-dialog-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--rule);
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}
.skill-dialog-close:hover { background: var(--surface-alt); }
.skill-dialog .skill-section { scroll-margin-top: 56px; }

@media (prefers-reduced-motion: no-preference) {
  .skill-dialog[open] { animation: skill-dialog-in 0.18s ease-out; }
  .skill-dialog[open]::backdrop { animation: skill-backdrop-in 0.18s ease-out; }
}
@keyframes skill-dialog-in {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
@keyframes skill-backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .skill-card { transition: none; }
}

@media (max-width: 640px) {
  .skill-details { padding: 18px; }
  .skill-dialog {
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    height: 100dvh;
    max-height: 100vh;
    max-height: 100dvh;
    margin: 0;
    border-radius: 0;
  }
  .skill-dialog .skill-details { padding: 0 18px 24px; }
  .skill-step { padding-left: 34px; }
  .skill-previews { grid-template-columns: minmax(0, 1fr); }
}