/* ── Surah detail page (sp- prefix) ──────────────────────────── */

.sp-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.sp-sidebar-inner {
  position: sticky;
  top: 5.5rem;
}

.sp-num {
  display: block;
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.sp-name {
  font-size: 1.6rem;
  font-weight: 800;
  margin: 0.2rem 0 0;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.sp-arabic {
  font-size: 2rem;
  font-family: 'Amiri', 'Scheherazade New', serif;
  margin: 0.25rem 0 0;
  color: var(--text-muted);
  line-height: 1.5;
}

.sp-meta-list {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sp-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.84rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.sp-meta-label {
  color: var(--text-muted);
  font-weight: 500;
}

.sp-meta-value {
  font-weight: 700;
  color: var(--text);
}

.sp-nav {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sp-nav-link {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--accent-strong);
  text-decoration: none;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  transition: border-color 0.15s, background 0.15s;
}

.sp-nav-link:hover {
  border-color: #b8d8d3;
  background: #e8f4f2;
}

/* Main content area */

.sp-pairs-head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.sp-pairs-head h2 {
  margin: 0;
  font-size: 1.1rem;
}

.sp-pairs-count {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.sp-pairs {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sp-pair {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1.1rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.sp-pair:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(14, 118, 110, 0.08);
  transform: translateY(-1px);
}

.sp-pair-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.sp-pair-refs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}

.sp-pair-refs svg {
  color: var(--text-muted);
  opacity: 0.5;
  flex-shrink: 0;
}

.sp-chip {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: #e8f4f2;
  border: 1px solid #b8d8d3;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  color: #1a6b5e;
  text-decoration: none;
}

.sp-chip:hover {
  background: #d0ece7;
  border-color: #7bbdb5;
}

.sp-pair-names {
  margin: 0.4rem 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.sp-pair-note {
  margin: 0.25rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.5;
}

/* Empty state */

.sp-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 4rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.sp-empty svg {
  width: 3rem;
  height: 3rem;
  color: var(--text-muted);
  opacity: 0.3;
  margin-bottom: 0.75rem;
}

.sp-empty p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.sp-empty-hint {
  margin-top: 0.3rem !important;
  font-size: 0.84rem !important;
  opacity: 0.7;
}

/* Tablet: collapse sidebar above */
@media (max-width: 860px) {
  .sp-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .sp-sidebar-inner {
    position: static;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 0 1.5rem;
    padding: 1.25rem 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
  }

  .sp-num {
    grid-row: 1 / 3;
    align-self: center;
    font-size: 2.6rem;
  }

  .sp-name {
    font-size: 1.3rem;
    margin: 0;
  }

  .sp-arabic {
    font-size: 1.5rem;
    margin: 0;
  }

  .sp-meta-list {
    grid-column: 1 / -1;
    margin-top: 1rem;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0;
  }

  .sp-meta-row {
    flex: 1;
    min-width: 100px;
    border-bottom: none;
    border-right: 1px solid var(--border);
    padding: 0 1rem 0 0;
    margin-right: 1rem;
    flex-direction: column;
    gap: 0.1rem;
  }

  .sp-meta-row:last-child {
    border-right: none;
    padding-right: 0;
    margin-right: 0;
  }

  .sp-nav {
    grid-column: 1 / -1;
    flex-direction: row;
    margin-top: 1rem;
  }

  .sp-nav-link {
    flex: 1;
    text-align: center;
  }
}

/* Mobile */
@media (max-width: 480px) {
  .sp-sidebar-inner {
    padding: 1rem 1.1rem;
    gap: 0 1rem;
  }

  .sp-num {
    font-size: 2rem;
  }

  .sp-name {
    font-size: 1.15rem;
  }

  .sp-arabic {
    font-size: 1.3rem;
  }

  .sp-meta-list {
    flex-direction: column;
    gap: 0.35rem;
  }

  .sp-meta-row {
    flex-direction: row;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 0 0 0.35rem;
    margin-right: 0;
  }

  .sp-meta-row:last-child {
    border-bottom: none;
  }

  .sp-nav {
    flex-direction: column;
  }

  .sp-pair-action {
    opacity: 1;
  }
}