/* Shastra — interactive darśana guides */

.sh-page {
  --sh-accent: #1d4ed8;
  --sh-accent-soft: rgba(29, 78, 216, 0.1);
  --sh-deep: #1e3a8a;
  --sh-ink: #12161f;
  --sh-muted: #4b5563;
  --sh-line: rgba(18, 22, 31, 0.12);
  --sh-card: rgba(248, 250, 255, 0.92);
  --sh-display: Fraunces, Georgia, serif;
  --sh-body: Outfit, system-ui, sans-serif;
  --sh-deva: "Noto Serif Devanagari", "Noto Sans Devanagari", serif;
  font-family: var(--sh-body);
  background:
    radial-gradient(ellipse 75% 45% at 8% 0%, rgba(29, 78, 216, 0.1), transparent 55%),
    radial-gradient(ellipse 60% 40% at 92% 5%, rgba(30, 58, 138, 0.08), transparent 50%),
    linear-gradient(180deg, #f4f7ff 0%, #f7f8fc 45%, #eef1f8 100%);
}

.sh-wrap { max-width: 58rem; }

.sh-page[data-lang="hi"] h1,
.sh-page[data-lang="hi"] h2,
.sh-page[data-lang="hi"] .sh-card strong {
  font-family: var(--sh-deva);
}

.sh-hero-mark {
  width: 4.75rem;
  height: 4.75rem;
  margin: 0 auto 1rem;
  position: relative;
  display: grid;
  place-items: center;
}

.sh-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(29, 78, 216, 0.35);
  background: conic-gradient(from 30deg, rgba(29, 78, 216, 0.2), transparent 40%, rgba(30, 58, 138, 0.15), transparent 75%);
  animation: sh-spin 20s linear infinite;
}

.sh-ring-core {
  position: relative;
  font-family: var(--sh-deva);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sh-deep);
}

@keyframes sh-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .sh-ring { animation: none; }
}

.sh-disclaimer {
  margin: 1.35rem 0 0;
  padding: 1rem 1.15rem;
  border: 1px solid rgba(29, 78, 216, 0.25);
  background: linear-gradient(145deg, rgba(29, 78, 216, 0.07), rgba(30, 58, 138, 0.05)), var(--sh-card);
}

.sh-disclaimer-label {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--sh-accent);
}

.sh-disclaimer p { margin: 0; line-height: 1.65; color: var(--sh-ink); font-size: 0.98rem; }
.sh-disclaimer-foot { margin-top: 2rem; }

.sh-intro {
  margin: 1.25rem 0 0;
  line-height: 1.7;
  color: var(--sh-muted);
  font-size: 1.02rem;
}

.sh-toolbar {
  margin: 1.5rem 0 0.75rem;
  display: grid;
  gap: 0.85rem;
}

.sh-toolbar-inline { margin-top: 1rem; }

.sh-search input {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid var(--sh-line);
  background: rgba(255, 255, 255, 0.88);
  font: inherit;
  color: var(--sh-ink);
}

.sh-search input:focus {
  outline: 2px solid rgba(29, 78, 216, 0.35);
  outline-offset: 1px;
}

.sh-count {
  margin: 0;
  font-size: 0.85rem;
  color: var(--sh-muted);
}

.sh-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.sh-tab, .sh-chip {
  border: 1px solid var(--sh-line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--sh-muted);
  padding: 0.4rem 0.75rem;
  font: inherit;
  font-size: 0.86rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.sh-tab:hover, .sh-chip:hover {
  border-color: rgba(29, 78, 216, 0.35);
  color: var(--sh-ink);
}

.sh-tab.is-active, .sh-chip.is-active {
  background: var(--sh-accent-soft);
  border-color: rgba(29, 78, 216, 0.45);
  color: var(--sh-deep);
  font-weight: 600;
}

.sh-example-toggle {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.sh-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 0.9rem;
  margin-top: 0.5rem;
}

.sh-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.1rem 1.15rem 1.15rem;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--sh-line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.95), rgba(239, 246, 255, 0.9));
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.sh-card:hover {
  transform: translateY(-3px);
  border-color: rgba(29, 78, 216, 0.4);
  box-shadow: 0 10px 28px rgba(30, 58, 138, 0.08);
}

.sh-card.is-featured {
  border-color: rgba(29, 78, 216, 0.45);
  background: linear-gradient(155deg, rgba(239, 246, 255, 0.98), rgba(219, 234, 254, 0.85));
}

.sh-card-badge {
  position: absolute;
  top: 0.65rem;
  right: 0.7rem;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--sh-accent);
}

.sh-card-school {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--sh-accent);
}

.sh-card strong {
  font-family: var(--sh-display);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--sh-ink);
}

.sh-card em {
  font-style: normal;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--sh-muted);
}

.sh-card-meta {
  margin-top: auto;
  padding-top: 0.55rem;
  font-size: 0.78rem;
  color: var(--sh-muted);
  border-top: 1px solid var(--sh-line);
}

.sh-card.is-filtered-out,
.sh-item.is-filtered-out,
.sh-tier.is-filtered-out,
.sh-map-card.is-filtered-out,
.sh-theory.is-filtered-out {
  display: none;
}

.sh-empty {
  margin: 1.5rem 0;
  text-align: center;
  color: var(--sh-muted);
}

.sh-panel { margin: 1.5rem 0 0; }

.sh-reality-diagram,
.sh-maya-diagram,
.sh-logic-diagram {
  --om-diagram-accent: var(--sh-accent);
  --om-diagram-deep: var(--sh-deep);
  --om-diagram-ink: var(--sh-ink);
  --om-diagram-muted: var(--sh-muted);
  --om-diagram-line: rgba(29, 78, 216, 0.22);
}

.sh-tier {
  scroll-margin-top: 5rem;
}

.sh-power,
.sh-system,
.sh-timeline li {
  scroll-margin-top: 5rem;
}

.sh-item, .sh-tier, .sh-map-card, .sh-theory, .sh-power {
  border: 1px solid var(--sh-line);
  background: rgba(255, 255, 255, 0.78);
  margin-bottom: 0.55rem;
}

.sh-item-head, .sh-tier-head, .sh-map-head, .sh-theory-head, .sh-power-head, .sh-step-head {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.8rem 0.95rem;
  border: 0;
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
  color: var(--sh-ink);
}

.sh-map-head, .sh-theory-head, .sh-power-head {
  grid-template-columns: 1fr auto;
}

.sh-item-num, .sh-tier-num, .sh-timeline-num {
  width: 1.9rem;
  height: 1.9rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--sh-accent-soft);
  color: var(--sh-deep);
  font-size: 0.85rem;
  font-weight: 600;
}

.sh-item-titles, .sh-tier-head > span:nth-child(2) {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.sh-item-titles strong, .sh-tier-head strong, .sh-map-head strong, .sh-theory-head strong {
  font-family: var(--sh-display);
  font-size: 1.02rem;
}

.sh-sa { font-family: var(--sh-deva); }

.sh-item-titles em, .sh-map-head em, .sh-theory-head em {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--sh-muted);
}

.sh-item-head i, .sh-tier-head i, .sh-map-head i, .sh-theory-head i, .sh-power-head i {
  transition: transform 0.2s ease;
  color: var(--sh-muted);
}

.sh-item-head.is-open i,
.sh-tier-head.is-open i,
.sh-map-head.is-open i,
.sh-theory-head.is-open i,
.sh-power-head.is-open i {
  transform: rotate(180deg);
}

.sh-item-body, .sh-tier-body, .sh-map-body, .sh-theory-body, .sh-power-body, .sh-step-body {
  display: block;
  padding: 0 0.95rem 1rem;
  line-height: 1.65;
  color: var(--sh-ink);
}

.om-diagrams-enhanced .sh-item-body,
.om-diagrams-enhanced .sh-tier-body,
.om-diagrams-enhanced .sh-map-body,
.om-diagrams-enhanced .sh-theory-body,
.om-diagrams-enhanced .sh-power-body,
.om-diagrams-enhanced .sh-step-body {
  display: none;
}

.om-diagrams-enhanced .sh-item-body.is-open,
.om-diagrams-enhanced .sh-tier-body.is-open,
.om-diagrams-enhanced .sh-map-body.is-open,
.om-diagrams-enhanced .sh-theory-body.is-open,
.om-diagrams-enhanced .sh-power-body.is-open,
.om-diagrams-enhanced .sh-step-body.is-open {
  display: block;
}

.sh-sub { margin: 0.65rem 0; padding-left: 1.15rem; }
.sh-muted { color: var(--sh-muted); }
.sh-ex { margin-top: 0.75rem; }
.sh-ex h3 { margin: 0 0 0.3rem; font-size: 0.85rem; color: var(--sh-accent); text-transform: uppercase; letter-spacing: 0.04em; }
.sh-ex p { margin: 0; }

.sh-page[data-example="classical"] .sh-ex-modern { display: none; }
.sh-page[data-example="modern"] .sh-ex-classical { display: none; }

.sh-analogy {
  margin-top: 0.85rem;
  padding: 0.85rem 1rem;
  border-left: 3px solid rgba(29, 78, 216, 0.4);
  background: rgba(29, 78, 216, 0.05);
}

.sh-analogy h3 { margin: 0 0 0.35rem; font-size: 1rem; color: var(--sh-deep); }
.sh-analogy p { margin: 0; color: var(--sh-muted); }

.sh-sublation { margin-top: 0.85rem; }
.sh-note {
  margin-top: 0.85rem;
  padding: 0.75rem 0.9rem;
  background: rgba(29, 78, 216, 0.06);
  border: 1px solid var(--sh-line);
}

.sh-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.75rem;
}

@media (max-width: 720px) {
  .sh-cols { grid-template-columns: 1fr; }
}

.sh-systems, .sh-frameworks, .sh-powers {
  display: grid;
  gap: 1rem;
}

.sh-system {
  padding: 1rem 1.1rem;
  border: 1px solid var(--sh-line);
  background: var(--sh-card);
}

.sh-system h2 {
  font-family: var(--sh-display);
  font-size: 1.2rem;
  margin: 0 0 0.4rem;
  color: var(--sh-deep);
}

.sh-steps {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.sh-step-head {
  grid-template-columns: auto 1fr;
}

.sh-step-head span:first-child {
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--sh-accent-soft);
  font-size: 0.8rem;
  font-weight: 600;
}

.sh-compare-block {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--sh-line);
  background: rgba(255, 255, 255, 0.75);
}

.sh-compare-block h2 {
  font-family: var(--sh-display);
  font-size: 1.2rem;
  margin: 0 0 0.75rem;
  color: var(--sh-deep);
}

.sh-matrix-wrap { margin-top: 1.75rem; }
.sh-matrix-wrap h2,
.sh-implications h2,
.sh-def h2,
.sh-sequence h2,
.sh-dismantle h2 {
  font-family: var(--sh-display);
  font-size: 1.3rem;
  margin: 0 0 0.75rem;
  color: var(--sh-deep);
}

.sh-table-scroll {
  overflow-x: auto;
  border: 1px solid var(--sh-line);
  background: rgba(255, 255, 255, 0.85);
}

.sh-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.sh-table th, .sh-table td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--sh-line);
  text-align: left;
  vertical-align: top;
  line-height: 1.45;
}

.sh-table th {
  background: rgba(29, 78, 216, 0.08);
  color: var(--sh-deep);
  font-weight: 600;
  white-space: nowrap;
}

.sh-table-wide { min-width: 48rem; }

.sh-implications, .sh-def, .sh-sequence, .sh-dismantle {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--sh-line);
  background: var(--sh-card);
}

.sh-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.sh-timeline li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
}

.sh-timeline p { margin: 0.25rem 0 0; color: var(--sh-muted); }

.sh-back { margin: 2rem 0 0; }
.sh-back a { color: var(--sh-accent); font-weight: 500; text-decoration: none; }
.sh-back a:hover { text-decoration: underline; }

.sh-related { margin: 2.25rem 0 1rem; }
.sh-related h2 {
  font-family: var(--sh-display);
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
  color: var(--sh-deep);
}

.sh-related-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.sh-related-link {
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--sh-line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--sh-ink);
  text-decoration: none;
  font-size: 0.92rem;
}

.sh-related-link:hover {
  border-color: rgba(29, 78, 216, 0.4);
  background: var(--sh-accent-soft);
}

.sh-reveal {
  opacity: 1;
  transform: none;
}

.om-diagrams-enhanced .sh-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.om-diagrams-enhanced .sh-reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .sh-reveal { opacity: 1; transform: none; transition: none; }
  .sh-card:hover { transform: none; }
}

@media (max-width: 640px) {
  .sh-grid { grid-template-columns: 1fr; }
}