/* ==========================================================
   Skills library
   Tabbed switcher between Workflows and Skills,
   skill cards, status chips, and detail modal.
   ========================================================== */

/* ─── Tab switcher ─── */
.sec-tab-bar {
  background: var(--bg);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 58px;
  z-index: 120;
  padding: 14px 0;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(255, 255, 255, 0.92);
}
@media (prefers-reduced-transparency: reduce) {
  .sec-tab-bar { backdrop-filter: none; background: #fdfdfe; }
}
.hub-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  max-width: 720px;
  margin: 0 auto;
  padding: 6px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.hub-tab {
  border: 1.5px solid transparent;
  background: transparent;
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  cursor: pointer;
  font-family: var(--font-body);
  color: var(--slate);
  transition: all 0.25s var(--ease-out);
  text-align: left;
  position: relative;
}
.hub-tab svg {
  width: 18px;
  height: 18px;
  margin-bottom: 4px;
  color: var(--slate);
  transition: color 0.25s var(--ease-out);
}
.hub-tab-label {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--navy);
}
.hub-tab-meta {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.hub-tab:hover {
  background: white;
  border-color: var(--border);
}
.hub-tab.is-active {
  background: white;
  border-color: rgba(230, 30, 40, 0.22);
  box-shadow: var(--shadow-sm);
}
.hub-tab.is-active svg,
.hub-tab.is-active .hub-tab-label {
  color: var(--red);
}
.hub-tab.is-active .hub-tab-label {
  color: var(--navy);
}
.hub-tab.is-active::after {
  content: "";
  position: absolute;
  bottom: -7px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: var(--red);
  border-radius: 50%;
}

.hub-tab-panel[hidden] {
  display: none;
}

/* ─── How skills work ─── */
.skill-howto {
  background: linear-gradient(135deg, #fdfdff 0%, #f8fafc 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  margin-bottom: 28px;
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}
.skill-howto-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 0;
  margin: 0;
}
.skill-howto-steps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.skill-howto-num {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--red);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}
.skill-howto-steps h3 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 4px;
  color: var(--navy);
}
.skill-howto-steps p {
  font-size: 12.5px;
  color: var(--slate);
  line-height: 1.5;
}
.skill-howto code {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-alt);
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--border-light);
  color: var(--navy);
}

/* ─── Toolbar (filters + legend) ─── */
.skill-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  max-width: 1080px;
  margin: 0 auto 22px;
  padding: 12px 14px;
  background: white;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
}
.skill-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.skill-filter {
  border: 1.5px solid var(--border);
  background: white;
  color: var(--slate);
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.skill-filter:hover {
  border-color: var(--red);
  color: var(--navy);
}
.skill-filter.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: white;
}
.skill-filter-count {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--bg-alt);
  color: var(--slate);
  font-weight: 700;
}
.skill-filter.is-active .skill-filter-count {
  background: rgba(255, 255, 255, 0.18);
  color: white;
}

.skill-legend {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

/* ─── Status chips ─── */
.skill-status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: white;
  color: var(--slate);
  line-height: 1;
}
.skill-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--slate);
  display: inline-block;
}
.skill-status-published {
  border-color: rgba(22, 163, 74, 0.32);
  background: var(--green-light);
  color: #166534;
}
.skill-status-published .skill-status-dot {
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12);
}
.skill-status-beta {
  border-color: rgba(245, 158, 11, 0.32);
  background: var(--amber-light);
  color: #92400e;
}
.skill-status-beta .skill-status-dot {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.14);
}
.skill-status-draft {
  border-color: rgba(100, 116, 139, 0.32);
  background: var(--bg-alt);
  color: var(--slate);
}
.skill-status-draft .skill-status-dot {
  background: var(--muted);
}

/* ─── Skill library layout ─── */
.skill-library {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.skill-loading {
  padding: 28px;
  text-align: center;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 12px;
}
.skill-error {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--red-light);
  color: var(--navy-soft);
  border: 1px solid rgba(230, 30, 40, 0.16);
  text-align: center;
}

.skill-category-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.skill-category-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1.5px solid var(--border-light);
}
.skill-category-head .skill-category-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.skill-category-head .skill-category-title::before {
  content: "";
  width: 5px;
  height: 22px;
  border-radius: 2px;
  background: var(--cat-color, var(--red));
}
.skill-category-head .skill-category-desc {
  font-size: 12.5px;
  color: var(--slate);
  flex: 1;
  text-align: right;
  max-width: 460px;
  line-height: 1.5;
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.skill-card {
  background: white;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--cat-color, var(--red));
  opacity: 0.85;
}
.skill-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.skill-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-top: 4px;
}
.skill-card-cat {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cat-color, var(--red));
}
.skill-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
  color: var(--navy);
}
.skill-card-summary {
  font-size: 13px;
  color: var(--navy-soft);
  line-height: 1.55;
  flex: 1;
}
.skill-card-best {
  padding: 9px 11px;
  border-radius: var(--radius);
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  font-size: 11.5px;
  color: var(--navy-soft);
  line-height: 1.45;
}
.skill-card-best strong {
  color: var(--navy);
  display: block;
  margin-bottom: 1px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .2em;
  font-family: var(--font-mono);
  font-weight: 700;
}
.skill-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.skill-card-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  color: var(--slate);
  font-weight: 600;
}
.skill-card-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: auto;
  padding-top: 6px;
}
.skill-card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 12px;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0;
  border: 1.5px solid var(--border);
  background: white;
  color: var(--navy);
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  text-decoration: none;
  min-height: 38px;
}
.skill-card-btn svg {
  width: 14px;
  height: 14px;
}
.skill-card-btn:hover {
  border-color: var(--cat-color, var(--red));
  color: var(--cat-color, var(--red));
}
.skill-card-btn.primary {
  background: var(--cat-color, var(--red));
  border-color: var(--cat-color, var(--red));
  color: white;
}
.skill-card-btn.primary:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.skill-card-btn.icon-only {
  padding: 9px 10px;
  width: 38px;
}

/* Category color tokens */
.skill-card.cat-getting-started,
.skill-category-block.cat-getting-started {
  --cat-color: var(--green);
}
.skill-card.cat-writing,
.skill-category-block.cat-writing {
  --cat-color: var(--blue);
}
.skill-card.cat-bids,
.skill-category-block.cat-bids {
  --cat-color: var(--red);
}
.skill-card.cat-tracking,
.skill-category-block.cat-tracking {
  --cat-color: var(--teal);
}
.skill-card.cat-risk,
.skill-category-block.cat-risk {
  --cat-color: var(--violet);
}
.skill-card.cat-data,
.skill-category-block.cat-data {
  --cat-color: var(--amber);
}

/* Hidden state for filtering */
.skill-card.is-hidden,
.skill-category-block.is-hidden {
  display: none;
}

/* ─── Skill detail modal (lean) ─── */
.skill-modal {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  overflow-y: auto;
}
.skill-modal[hidden] {
  display: none;
}
.skill-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 41, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: fadeUp 0.18s var(--ease-out);
}
@media (prefers-reduced-transparency: reduce) {
  .skill-modal-backdrop { backdrop-filter: none; background: #0f1729; }
}
.skill-modal-panel {
  position: relative;
  width: 100%;
  max-width: 620px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  background: white;
  border-radius: 18px;
  box-shadow: var(--shadow-xl);
  animation: fadeUp 0.22s var(--ease-out);
}

.skill-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--slate);
  transition: all 0.2s var(--ease-out);
  z-index: 2;
}
.skill-modal-close:hover {
  background: var(--red-light);
  border-color: rgba(230, 30, 40, 0.22);
  color: var(--red);
}
.skill-modal-close svg {
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.skill-modal-head {
  padding: 22px 24px 14px;
  border-bottom: 1px solid var(--border-light);
}
.skill-modal-head-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.skill-modal-category {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--red);
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--red-light);
  border: 1px solid rgba(230, 30, 40, 0.16);
}
.skill-modal-head h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--navy);
  padding-right: 36px;
}

/* Activation prompt block — sits prominently at the top */
.skill-modal-activation {
  padding: 16px 24px 18px;
  background: linear-gradient(180deg, #fbfcfe 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border-light);
}
.skill-modal-activation-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.skill-modal-activation-head h3 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0;
}
.skill-modal-activation-help {
  font-size: 11.5px;
  color: var(--slate);
}
.skill-modal-prompt {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  background: var(--navy);
  color: #e6edf3;
  padding: 12px 14px;
  border-radius: 10px;
  margin: 0 0 12px;
  overflow-x: auto;
}
.skill-modal-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.skill-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border-radius: 9px;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  border: 1.5px solid var(--border);
  background: white;
  color: var(--navy);
  text-decoration: none;
  transition: all 0.2s var(--ease-out);
  min-height: 36px;
}
.skill-action-btn:hover {
  border-color: var(--red);
  color: var(--red);
}
.skill-action-btn.primary {
  background: var(--red);
  border-color: var(--red);
  color: white;
}
.skill-action-btn.primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  color: white;
}
.skill-action-btn.copied {
  background: var(--green) !important;
  border-color: var(--green) !important;
  color: white !important;
}
.skill-action-btn svg {
  width: 13px;
  height: 13px;
}
.skill-action-btn-sm {
  padding: 6px 11px;
  font-size: 11.5px;
  min-height: 32px;
}

/* Info blocks */
.skill-modal-info {
  padding: 4px 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.skill-info-block {
  padding: 14px 0 10px;
  border-bottom: 1px dashed var(--border-light);
}
.skill-info-block:last-child {
  border-bottom: none;
  padding-bottom: 4px;
}
.skill-info-block h3 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 8px;
}
.skill-info-block p {
  font-size: 13.5px;
  color: var(--navy-soft);
  line-height: 1.55;
  margin: 0;
}
.skill-info-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.skill-info-block li {
  position: relative;
  padding: 4px 0 4px 18px;
  font-size: 13px;
  color: var(--navy-soft);
  line-height: 1.5;
}
.skill-info-block li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
}
.skill-info-try blockquote {
  margin: 0 0 10px;
  padding: 12px 14px;
  background: var(--bg-alt);
  border-left: 3px solid var(--red);
  border-radius: 6px;
  color: var(--navy-soft);
  font-size: 13px;
  line-height: 1.55;
  font-style: italic;
}

body.skill-modal-open {
  overflow: hidden;
}

/* ─── Responsive ─── */
@media (max-width: 1040px) {
  .skill-howto-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .skill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .sec-tab-bar {
    top: 58px;
    padding: 10px 0;
  }
  .hub-tabs {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .hub-tab {
    padding: 10px 14px;
  }
  .skill-category-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .skill-category-head .skill-category-desc {
    text-align: left;
  }
  .skill-grid {
    grid-template-columns: 1fr;
  }
  .skill-modal {
    padding: 14px 10px;
  }
  .skill-modal-head,
  .skill-modal-activation {
    padding-left: 18px;
    padding-right: 18px;
  }
  .skill-modal-info {
    padding-left: 18px;
    padding-right: 18px;
  }
  .skill-modal-head h2 {
    font-size: 19px;
  }
  .skill-modal-actions {
    flex-direction: column;
  }
  .skill-action-btn {
    width: 100%;
    justify-content: center;
  }
  .skill-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .skill-howto-steps {
    grid-template-columns: 1fr;
  }
  .skill-card-actions {
    grid-template-columns: 1fr;
  }
  .skill-card-btn.icon-only {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hub-tab,
  .hub-tab svg,
  .skill-filter,
  .skill-card-btn,
  .skill-action-btn,
  .skill-modal-close { transition: none !important; }
  .skill-card,
  .skill-card:hover,
  .skill-card-btn.primary,
  .skill-card-btn.primary:hover { transition: none !important; transform: none !important; }
  .skill-modal-backdrop,
  .skill-modal-panel { animation: none; }
}