/*
 * Story Submission System — Story Grid Styles
 *
 * [story_grid] shortcode output.
 * Responsive 3-col / 2-col / 1-col card grid.
 * Supports image cards, video cards, and placeholder cards.
 *
 * @package StorySubmissionSystem
 */

/* ── Design tokens ────────────────────────────────────────────────────── */
.sss-grid-wrapper {
  --g-ink:         #1c1c1c;
  --g-ink-light:   #6b6560;
  --g-paper:       #f8f6f2;
  --g-surface:     #ffffff;
  --g-border:      #e8e3db;
  --g-accent:      #1a1a2e;
  --g-gold:        #b8924a;
  --g-gold-hover:  #9a7a3e;
  --g-radius:      12px;
  --g-radius-sm:   6px;
  --g-shadow-sm:   0 2px 8px rgba(0,0,0,.06);
  --g-shadow-md:   0 8px 32px rgba(0,0,0,.10);
  --g-shadow-lg:   0 20px 60px rgba(0,0,0,.14);
  --g-transition:  .25s cubic-bezier(.4,0,.2,1);
  --g-font-display:'Playfair Display', Georgia, 'Times New Roman', serif;
  --g-font-ui:     'DM Sans', system-ui, -apple-system, sans-serif;
  --g-font-body:   'Lora', Georgia, serif;
}

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,900;1,700&family=DM+Sans:wght@400;500;600;700&family=Lora:ital@0;1&display=swap');

.sss-grid-wrapper {
  font-family: var(--g-font-ui);
  color: var(--g-ink);
  padding: 0;
  width: 100%;
}

/* ── Controls bar ─────────────────────────────────────────────────────── */
.sss-grid-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--g-border);
}

/* Search */
.sss-grid-search-wrap {
  position: relative;
  flex: 0 1 300px;
}

.sss-grid-search-wrap svg {
  position: absolute;
  left: .85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--g-ink-light);
  pointer-events: none;
}

.sss-grid-search {
  width: 100%;
  padding: .6rem 1rem .6rem 2.5rem;
  border: 1.5px solid var(--g-border);
  border-radius: 40px;
  font-family: var(--g-font-ui);
  font-size: .875rem;
  color: var(--g-ink);
  background: var(--g-surface);
  outline: none;
  transition: border-color var(--g-transition), box-shadow var(--g-transition);
  -webkit-appearance: none;
  appearance: none;
}

.sss-grid-search:focus {
  border-color: var(--g-accent);
  box-shadow: 0 0 0 3px rgba(26,26,46,.08);
}

.sss-grid-search::-webkit-search-cancel-button { display: none; }

/* Filter pills */
.sss-grid-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.sss-filter-btn {
  padding: .4rem 1rem;
  border-radius: 40px;
  border: 1.5px solid var(--g-border);
  background: var(--g-surface);
  font-family: var(--g-font-ui);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .3px;
  color: var(--g-ink-light);
  cursor: pointer;
  transition: background var(--g-transition), color var(--g-transition), border-color var(--g-transition), transform var(--g-transition);
}

.sss-filter-btn:hover {
  background: var(--g-paper);
  border-color: var(--g-accent);
  color: var(--g-accent);
}

.sss-filter-btn.sss-filter-active {
  background: var(--g-accent);
  border-color: var(--g-accent);
  color: #fff;
}

/* ── Grid layout ──────────────────────────────────────────────────────── */
.sss-grid {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

.sss-grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.sss-grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

/* ── Card ─────────────────────────────────────────────────────────────── */
.sss-card {
  background: var(--g-surface);
  border-radius: var(--g-radius);
  border: 1px solid var(--g-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--g-shadow-sm);
  transition: transform var(--g-transition), box-shadow var(--g-transition);
  position: relative;
}

.sss-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--g-shadow-md);
}

.sss-card.sss-hidden {
  display: none !important;
}

/* ── Card: Media ──────────────────────────────────────────────────────── */
.sss-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--g-paper);
  flex-shrink: 0;
}

/* Image */
.sss-card-media .sss-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}

.sss-card:hover .sss-card-img {
  transform: scale(1.04);
}

/* ── Placeholder ──────────────────────────────────────────────────────── */
.sss-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--ph-color, #1a1a2e) 0%,
    color-mix(in srgb, var(--ph-color, #1a1a2e) 70%, #fff) 100%
  );
}

.sss-card-placeholder span {
  font-family: var(--g-font-display);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 900;
  color: rgba(255,255,255,.25);
  user-select: none;
  line-height: 1;
}

/* ── Video ────────────────────────────────────────────────────────────── */
.sss-card-video-wrap {
  position: relative;
  width: 100%;
  height: 100%;
}

.sss-card-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Custom play button overlay */
.sss-video-play-btn {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.35);
  border: none;
  cursor: pointer;
  transition: background var(--g-transition);
  padding: 0;
}

.sss-video-play-btn:hover {
  background: rgba(0,0,0,.5);
}

.sss-video-play-btn svg {
  width: 52px;
  height: 52px;
  color: white;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,.4));
  transition: transform var(--g-transition);
}

.sss-video-play-btn:hover svg {
  transform: scale(1.12);
}

/* Hide play button when video is playing */
.sss-card-video-wrap.sss-playing .sss-video-play-btn {
  opacity: 0;
  pointer-events: none;
}

/* ── Category badge ───────────────────────────────────────────────────── */
.sss-card-badge {
  position: absolute;
  top: .75rem;
  left: .75rem;
  padding: .25rem .7rem;
  border-radius: 40px;
  font-family: var(--g-font-ui);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: #fff;
  background: var(--badge-color, #1a1a2e);
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
  z-index: 2;
  backdrop-filter: blur(4px);
}

/* ── Card body ────────────────────────────────────────────────────────── */
.sss-card-body {
  padding: 1.1rem 1.25rem .75rem;
  flex: 1;
}

.sss-card-title {
  font-family: var(--g-font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 .5rem;
  color: var(--g-ink);
}

.sss-card-link {
  color: inherit;
  text-decoration: none;
  transition: color var(--g-transition);
}

.sss-card-link:hover {
  color: var(--g-gold);
}

/* Underline animation on hover */
.sss-card-link {
  background-image: linear-gradient(var(--g-gold), var(--g-gold));
  background-size: 0% 1.5px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size .3s ease, color var(--g-transition);
}

.sss-card:hover .sss-card-link {
  background-size: 100% 1.5px;
}

.sss-card-excerpt {
  font-family: var(--g-font-body);
  font-size: .83rem;
  line-height: 1.65;
  color: var(--g-ink-light);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Card footer ──────────────────────────────────────────────────────── */
.sss-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.25rem 1rem;
  border-top: 1px solid var(--g-border);
  gap: .5rem;
  flex-wrap: wrap;
}

.sss-card-meta {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.sss-card-author,
.sss-card-date {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .73rem;
  color: var(--g-ink-light);
  font-weight: 500;
}

.sss-card-author svg,
.sss-card-date svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  opacity: .7;
}

.sss-card-readmore {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}

.sss-read-time {
  font-size: .7rem;
  color: var(--g-ink-light);
  font-weight: 500;
  white-space: nowrap;
}

.sss-read-link {
  font-size: .75rem;
  font-weight: 700;
  color: var(--g-gold);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--g-transition);
  letter-spacing: .2px;
}

.sss-read-link:hover {
  color: var(--g-gold-hover);
}

/* ── First card spans full width (featured) ───────────────────────────── */
.sss-grid-cols-3 .sss-card:first-child,
.sss-grid-cols-2 .sss-card:first-child {
  grid-column: 1 / -1;
  flex-direction: row;
}

.sss-grid-cols-3 .sss-card:first-child .sss-card-media,
.sss-grid-cols-2 .sss-card:first-child .sss-card-media {
  width: 50%;
  aspect-ratio: auto;
  flex-shrink: 0;
}

.sss-grid-cols-3 .sss-card:first-child .sss-card-body,
.sss-grid-cols-2 .sss-card:first-child .sss-card-body {
  padding: 2rem 1.75rem 1rem;
}

.sss-grid-cols-3 .sss-card:first-child .sss-card-title,
.sss-grid-cols-2 .sss-card:first-child .sss-card-title {
  font-size: 1.5rem;
  line-height: 1.25;
}

.sss-grid-cols-3 .sss-card:first-child .sss-card-excerpt,
.sss-grid-cols-2 .sss-card:first-child .sss-card-excerpt {
  font-size: .9rem;
  -webkit-line-clamp: 5;
}

.sss-grid-cols-3 .sss-card:first-child .sss-card-footer,
.sss-grid-cols-2 .sss-card:first-child .sss-card-footer {
  padding: 1rem 1.75rem 1.5rem;
}

/* Disable featured layout when cards are filtered/hidden */
.sss-grid.sss-filtered .sss-card:first-child {
  grid-column: auto;
  flex-direction: column;
}

.sss-grid.sss-filtered .sss-card:first-child .sss-card-media {
  width: 100%;
  aspect-ratio: 16/9;
}

/* ── Empty state ──────────────────────────────────────────────────────── */
.sss-grid-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 5rem 2rem;
  color: var(--g-ink-light);
}

.sss-grid-empty svg {
  width: 52px;
  height: 52px;
  margin-bottom: 1rem;
  opacity: .35;
}

.sss-grid-empty h3 {
  font-family: var(--g-font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--g-ink);
  margin-bottom: .5rem;
}

.sss-grid-empty p {
  font-size: .9rem;
  max-width: 340px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── No search results ────────────────────────────────────────────────── */
.sss-grid-no-results {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--g-ink-light);
  font-size: .9rem;
  display: none;
}

.sss-grid-no-results[hidden] { display: none !important; }
.sss-grid-no-results:not([hidden]) { display: block; }

/* ── Load-more ────────────────────────────────────────────────────────── */
.sss-loadmore-wrap {
  text-align: center;
  margin-top: 2.5rem;
}

.sss-loadmore-btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .8rem 2.5rem;
  border-radius: 40px;
  border: 2px solid var(--g-accent);
  background: transparent;
  font-family: var(--g-font-ui);
  font-size: .9rem;
  font-weight: 700;
  color: var(--g-accent);
  cursor: pointer;
  letter-spacing: .3px;
  transition: background var(--g-transition), color var(--g-transition), transform var(--g-transition);
}

.sss-loadmore-btn:hover {
  background: var(--g-accent);
  color: #fff;
  transform: translateY(-2px);
}

.sss-loadmore-btn:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none;
}

/* Load-more spinner */
.sss-loadmore-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: sss-grid-spin .7s linear infinite;
  display: none;
}

.sss-loadmore-spinner:not([hidden]) { display: block; }

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

/* ── Card enter animation ─────────────────────────────────────────────── */
@keyframes sss-card-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sss-card {
  animation: sss-card-in .4s ease both;
}

.sss-card:nth-child(2) { animation-delay: .05s; }
.sss-card:nth-child(3) { animation-delay: .10s; }
.sss-card:nth-child(4) { animation-delay: .15s; }
.sss-card:nth-child(5) { animation-delay: .20s; }
.sss-card:nth-child(6) { animation-delay: .25s; }

/* Disable animation for load-more appended cards */
.sss-card.sss-appended {
  animation: sss-card-in .35s ease both;
}

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .sss-grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sss-grid-cols-3,
  .sss-grid-cols-2 {
    grid-template-columns: 1fr;
  }

  /* Disable featured row-spanning on mobile */
  .sss-grid .sss-card:first-child {
    grid-column: auto;
    flex-direction: column;
  }

  .sss-grid .sss-card:first-child .sss-card-media {
    width: 100%;
    aspect-ratio: 16/9;
  }

  .sss-grid .sss-card:first-child .sss-card-body {
    padding: 1.1rem 1.25rem .75rem;
  }

  .sss-grid .sss-card:first-child .sss-card-title {
    font-size: 1.2rem;
  }

  .sss-grid .sss-card:first-child .sss-card-excerpt {
    font-size: .83rem;
    -webkit-line-clamp: 3;
  }

  .sss-grid .sss-card:first-child .sss-card-footer {
    padding: .75rem 1.25rem 1rem;
  }

  .sss-grid-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .sss-grid-search-wrap {
    flex: 1 1 100%;
  }
}

@media (max-width: 480px) {
  .sss-grid { gap: 1.25rem; }
  .sss-grid-controls { margin-bottom: 1.5rem; }
  .sss-filter-btn { font-size: .72rem; padding: .35rem .8rem; }
}