/* ==========================================================================
   Social Spark — Front-end & Admin Preview Styles
   Version: 2.0.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Container
   -------------------------------------------------------------------------- */

.spark-share-container {
  margin: 2.5rem 0;
  padding: 1.5rem 2rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 0;
}

.spark-share-title {
  margin: 0 0 1rem !important;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #64748b;
}

.spark-share-total {
  margin: -0.25rem 0 0.875rem;
  font-size: 0.8rem;
  color: #94a3b8;
}

.spark-share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  align-items: center;
}

/* --------------------------------------------------------------------------
   2. Base button
   -------------------------------------------------------------------------- */

.spark-btn {
  --spark-brand: #6b7280;
  --spark-btn-bg: transparent;
  --spark-btn-color: inherit;

  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.5rem 0.9rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: #1e293b;
  outline: none;
  transition: background 0.18s ease, color 0.18s ease,
              border-color 0.18s ease, transform 0.18s ease,
              box-shadow 0.18s ease, opacity 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}

.spark-btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.4);
}

.spark-btn:active {
  transform: scale(0.96);
}

/* Icon */
.spark-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.1em;
  height: 1.1em;
}

.spark-btn-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Count badge */
.spark-btn-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.4em;
  padding: 0.05em 0.35em;
  font-size: 0.7em;
  font-weight: 700;
  line-height: 1.6;
  border-radius: 99px;
  background: rgba(0,0,0,0.08);
  color: inherit;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.spark-btn-count:empty {
  display: none;
}

/* "Copied!" state for copy-link button */
.spark-btn--copied {
  pointer-events: none;
  opacity: 0.8;
}

/* Count pulse animation */
@keyframes spark-count-pulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.spark-btn-count.is-updating {
  animation: spark-count-pulse 0.3s ease;
}

/* --------------------------------------------------------------------------
   3. Style: OUTLINE (default)
   -------------------------------------------------------------------------- */

.spark-style-outline .spark-btn {
  background: #fff;
  border-color: var(--spark-brand);
  color: var(--spark-brand);
}

.spark-style-outline .spark-btn:hover {
  background: var(--spark-brand);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}

.spark-style-outline .spark-btn .spark-btn-count {
  background: var(--spark-brand);
  color: #fff;
}

.spark-style-outline .spark-btn:hover .spark-btn-count {
  background: rgba(255,255,255,0.25);
  color: #fff;
}

/* --------------------------------------------------------------------------
   4. Style: SOLID
   -------------------------------------------------------------------------- */

.spark-style-solid .spark-btn {
  background: var(--spark-brand);
  border-color: var(--spark-brand);
  color: #fff;
}

.spark-style-solid .spark-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.18);
}

.spark-style-solid .spark-btn .spark-btn-count {
  background: rgba(0,0,0,0.18);
  color: #fff;
}

/* --------------------------------------------------------------------------
   5. Style: MINIMAL
   -------------------------------------------------------------------------- */

.spark-style-minimal .spark-btn {
  background: transparent;
  border-color: transparent;
  color: var(--spark-brand);
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.spark-style-minimal .spark-btn:hover {
  background: rgba(0,0,0,0.05);
  transform: translateY(-1px);
}

.spark-style-minimal .spark-btn .spark-btn-count {
  background: rgba(0,0,0,0.07);
}

/* --------------------------------------------------------------------------
   6. Style: ICON ONLY
   -------------------------------------------------------------------------- */

.spark-style-icon_only .spark-btn {
  background: var(--spark-brand);
  border-color: var(--spark-brand);
  color: #fff;
  padding: 0.55rem;
  gap: 0;
}

.spark-style-icon_only .spark-btn:hover {
  filter: brightness(1.12);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.2);
}

.spark-style-icon_only .spark-btn-icon {
  width: 1.2em;
  height: 1.2em;
}

/* --------------------------------------------------------------------------
   7. Shape variants
   -------------------------------------------------------------------------- */

.spark-shape-rounded .spark-btn  { border-radius: 8px; }
.spark-shape-square  .spark-btn  { border-radius: 0; }
.spark-shape-pill    .spark-btn  { border-radius: 9999px; }

.spark-shape-circle  .spark-btn  {
  border-radius: 50%;
  padding: 0.6rem;
  aspect-ratio: 1;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   8. Size variants
   -------------------------------------------------------------------------- */

/* Small */
.spark-size-small .spark-btn {
  font-size: 0.7rem;
  padding: 0.375rem 0.7rem;
  gap: 0.35em;
}

.spark-size-small.spark-style-icon_only .spark-btn {
  padding: 0.45rem;
}

/* Medium (default — no overrides needed) */

/* Large */
.spark-size-large .spark-btn {
  font-size: 0.9375rem;
  padding: 0.65rem 1.15rem;
  gap: 0.55em;
}

.spark-size-large.spark-style-icon_only .spark-btn {
  padding: 0.7rem;
}

/* --------------------------------------------------------------------------
   9. Colour-scheme: DARK
   -------------------------------------------------------------------------- */

.spark-colors-dark .spark-btn {
  --spark-brand: #1e293b;
}

/* --------------------------------------------------------------------------
   10. Colour-scheme: LIGHT
   -------------------------------------------------------------------------- */

/* Container background override for light scheme — compound selector (same element) */
.spark-colors-light.spark-share-container {
  background: #fff;
}

.spark-colors-light .spark-btn {
  --spark-brand: #475569;
}

.spark-colors-light.spark-style-outline .spark-btn {
  border-color: #cbd5e1;
  color: #475569;
}

.spark-colors-light.spark-style-outline .spark-btn:hover {
  background: #f1f5f9;
  color: #1e293b;
  border-color: #94a3b8;
  box-shadow: none;
}

.spark-colors-light.spark-style-solid .spark-btn {
  background: #f1f5f9;
  border-color: #e2e8f0;
  color: #1e293b;
}

.spark-colors-light.spark-style-solid .spark-btn:hover {
  background: #e2e8f0;
  filter: none;
  box-shadow: none;
}

/* --------------------------------------------------------------------------
   11. Colour-scheme: CUSTOM
   (--spark-btn-bg and --spark-btn-color injected inline via PHP/JS)
   -------------------------------------------------------------------------- */

.spark-colors-custom.spark-style-outline .spark-btn {
  background: #fff;
  border-color: var(--spark-btn-bg, var(--spark-brand));
  color:        var(--spark-btn-bg, var(--spark-brand));
}

.spark-colors-custom.spark-style-outline .spark-btn:hover {
  background: var(--spark-btn-bg, var(--spark-brand));
  color:      var(--spark-btn-color, #fff);
}

.spark-colors-custom.spark-style-solid .spark-btn,
.spark-colors-custom.spark-style-icon_only .spark-btn {
  background:   var(--spark-btn-bg,    var(--spark-brand));
  border-color: var(--spark-btn-bg,    var(--spark-brand));
  color:        var(--spark-btn-color, #fff);
}

.spark-colors-custom.spark-style-minimal .spark-btn {
  color: var(--spark-btn-bg, var(--spark-brand));
}

/* --------------------------------------------------------------------------
   12. Floating sidebar
   -------------------------------------------------------------------------- */

.spark-floating {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;
  margin: 0;
  padding: 0.5rem;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
}

.spark-floating-left  { left: 1rem; }
.spark-floating-right { right: 1rem; }

.spark-floating .spark-share-buttons {
  flex-direction: column;
  gap: 0.375rem;
}

/* Floating always renders icon-only style regardless of the admin setting */
.spark-floating .spark-btn {
  background: var(--spark-brand);
  border-color: var(--spark-brand);
  color: #fff;
  border-radius: 8px;
  padding: 0.55rem;
  gap: 0;
}

.spark-floating .spark-btn:hover {
  filter: brightness(1.12);
  transform: translateX(2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.18);
}

.spark-floating .spark-btn-icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* --------------------------------------------------------------------------
   13. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 600px) {
  .spark-share-container {
    padding: 1.25rem 1rem;
  }

  .spark-share-buttons {
    gap: 0.5rem;
  }

  .spark-btn {
    font-size: 0.75rem;
    padding: 0.4rem 0.7rem;
  }

  .spark-floating {
    display: none; /* hide floating on small screens to avoid overlap */
  }
}

/* --------------------------------------------------------------------------
   14. Admin — settings-page card wrapper
   -------------------------------------------------------------------------- */

.spark-admin-wrap {
  max-width: 1100px;
}

.spark-admin-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.spark-admin-header h1 {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.2;
}

.spark-admin-header .spark-version {
  font-size: 0.75rem;
  color: #94a3b8;
  font-weight: 400;
  align-self: flex-end;
  margin-bottom: 3px;
}

.spark-admin-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
  align-items: start;
}

.spark-admin-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.spark-admin-card:last-child {
  margin-bottom: 0;
}

.spark-admin-card > h2 {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #334155;
  padding-bottom: 0.625rem;
  border-bottom: 1px solid #f1f5f9;
}

.spark-preview-card {
  background: #f8fafc;
  position: sticky;
  top: 2rem;
}

/* Platform checklist */
.spark-platform-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(145px, 1fr));
  gap: 0.5rem;
}

.spark-platform-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  background: #fff;
  font-size: 0.8125rem;
  font-weight: 500;
  user-select: none;
}

.spark-platform-item:hover {
  border-color: #94a3b8;
  background: #f8fafc;
}

.spark-platform-item input[type="checkbox"] {
  flex-shrink: 0;
  margin: 0;
  accent-color: #6366f1;
}

.spark-platform-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spark-platform-icon svg {
  width: 100%;
  height: 100%;
}

.spark-platform-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-left: auto;
}

/* Radio groups */
.spark-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.spark-radio-option {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.8rem;
  border: 2px solid #e2e8f0;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
  background: #fff;
}

.spark-radio-option:hover {
  border-color: #94a3b8;
}

.spark-radio-option input[type="radio"] {
  margin: 0;
  accent-color: #6366f1;
}

.spark-radio-option input[type="radio"]:checked + span {
  color: #4f46e5;
}

/* Table adjustments inside cards */
.spark-admin-card .form-table {
  margin: 0;
}

.spark-admin-card .form-table th {
  width: 160px;
  padding: 0.75rem 1rem 0.75rem 0;
  font-weight: 600;
  font-size: 0.8125rem;
  color: #334155;
}

.spark-admin-card .form-table td {
  padding: 0.625rem 0;
}

/* Preview hint */
.spark-preview-hint {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: #94a3b8;
}

/* Inside the preview panel, shrink container */
#spark-preview .spark-share-container {
  margin: 0;
}

@media (max-width: 960px) {
  .spark-admin-layout {
    grid-template-columns: 1fr;
  }

  .spark-preview-card {
    position: static;
  }
}