/* ── The GEM — CERI Newsletter Flipbook Plugin ── */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700&display=swap');

:root {
  --gem-accent:    #D93635;
  --gem-accent-h:  #b82c2b;
  --gem-accent-bg: #fdf0f0;
  --gem-border:    #eddada;
  --gem-border-s:  #f5eded;
  --gem-text:      #1a0808;
  --gem-muted:     #7a6060;
  --gem-surface:   #ffffff;
  --gem-bg:        #faf8f8;
  --gem-page:      #faf8f3;
  --gem-radius:    12px;
  --gem-shadow:    0 4px 24px rgba(217,54,53,0.07);
  --gem-font:      'Montserrat', system-ui, sans-serif;
}

.gem-landing { font-family: var(--gem-font); color: var(--gem-text); }
.gem-empty   { color: var(--gem-muted); font-style: italic; font-family: var(--gem-font); }

/* ── Featured section ───────────────────────────────────────────── */
.gem-featured {
  background: var(--gem-surface);
  border-radius: 20px;
  border: 1.5px solid var(--gem-border);
  box-shadow: var(--gem-shadow);
  padding: 28px;
  margin-bottom: 36px;
}

.gem-featured-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gem-border-s);
}

.gem-logo-mark {
  width: 36px; height: 36px;
  background: var(--gem-accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.gem-kicker {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--gem-accent);
  font-weight: 700;
  margin-bottom: 4px;
}

.gem-featured-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 3px;
  color: var(--gem-text);
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 10px;
}
.gem-featured-title::before {
  content: '';
  display: inline-block;
  width: 4px; height: 18px;
  background: var(--gem-accent);
  border-radius: 4px;
  flex-shrink: 0;
}

.gem-featured-label {
  font-size: .75rem;
  color: var(--gem-muted);
  font-weight: 500;
}

/* ── Flipbook stage ─────────────────────────────────────────────── */
.gem-flipbook-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f0ebe8;
  border-radius: 10px;
  padding: 24px 60px;
  min-height: 320px;
}

.gem-flipbook { position: relative; }

.gem-flipbook .page {
  background: var(--gem-page);
  overflow: hidden;
}
.gem-flipbook .page canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.gem-page-loading {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: var(--gem-page);
  color: var(--gem-muted);
  font-size: 12px;
  gap: 8px;
  font-family: var(--gem-font);
}

.gem-spinner {
  width: 14px; height: 14px;
  border: 2px solid var(--gem-border);
  border-top-color: var(--gem-accent);
  border-radius: 50%;
  animation: gem-spin .7s linear infinite;
  flex-shrink: 0;
}
@keyframes gem-spin { to { transform: rotate(360deg); } }

/* ── Navigation arrows ─────────────────────────────────────────── */
.gem-nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--gem-border);
  background: var(--gem-surface);
  color: var(--gem-text);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
  opacity: 0.8;
  box-shadow: 0 2px 8px rgba(217,54,53,0.07);
  font-family: var(--gem-font);
}
.gem-nav-arrow:hover {
  background: var(--gem-accent-bg);
  border-color: var(--gem-accent);
  color: var(--gem-accent);
  opacity: 1;
  box-shadow: 0 4px 14px rgba(217,54,53,0.15);
}
.gem-nav-arrow:disabled { opacity: 0.2; cursor: default; pointer-events: none; }
.gem-arrow-prev { left: 10px; }
.gem-arrow-next { right: 10px; }

/* ── Bottom bar ─────────────────────────────────────────────────── */
.gem-flipbook-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 12px 0 0;
}

.gem-counter {
  font-size: .72rem;
  font-weight: 600;
  color: var(--gem-muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: .3px;
  min-width: 90px;
  text-align: center;
}

.gem-btn-fs {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1.5px solid var(--gem-border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--gem-muted);
  cursor: pointer;
  font-family: var(--gem-font);
  transition: background .15s, border-color .15s, color .15s;
}
.gem-btn-fs:hover {
  background: var(--gem-accent-bg);
  border-color: var(--gem-accent);
  color: var(--gem-accent);
}

/* ── Past editions ─────────────────────────────────────────────── */
.gem-past { margin-bottom: 20px; }

.gem-past-title {
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--gem-text);
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.gem-past-title::before {
  content: '';
  display: inline-block;
  width: 4px; height: 14px;
  background: var(--gem-accent);
  border-radius: 4px;
}

.gem-carousel-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.gem-carousel {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  padding: 4px 2px 10px;
  flex: 1;
}
.gem-carousel::-webkit-scrollbar { display: none; }

.gem-carousel-prev,
.gem-carousel-next {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--gem-border);
  background: var(--gem-surface);
  color: var(--gem-text);
  font-size: 17px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, border-color .15s, color .15s;
  opacity: 0.75;
  box-shadow: 0 2px 8px rgba(217,54,53,0.06);
}
.gem-carousel-prev:hover,
.gem-carousel-next:hover {
  background: var(--gem-accent-bg);
  border-color: var(--gem-accent);
  color: var(--gem-accent);
  opacity: 1;
}

/* ── Edition card ──────────────────────────────────────────────── */
.gem-card { flex-shrink: 0; width: 155px; cursor: pointer; }

.gem-card-cover {
  position: relative;
  width: 155px; height: 205px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--gem-border);
  border: 1.5px solid var(--gem-border);
  box-shadow: 0 2px 10px rgba(217,54,53,0.08);
  transition: box-shadow .2s, transform .2s;
}
.gem-card-cover:hover {
  box-shadow: 0 8px 24px rgba(217,54,53,0.16);
  transform: translateY(-3px);
}

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

.gem-card-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: var(--gem-page);
}
.gem-card-placeholder canvas { max-width:100%; max-height:100%; display:block; }

.gem-card-overlay {
  position: absolute; inset: 0;
  background: rgba(26,8,8,0);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.gem-card-cover:hover .gem-card-overlay { background: rgba(26,8,8,0.5); }

.gem-card-open {
  background: var(--gem-accent);
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: white;
  cursor: pointer;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .2s, transform .2s;
  font-family: var(--gem-font);
}
.gem-card-cover:hover .gem-card-open { opacity: 1; transform: translateY(0); }

.gem-card-info { padding: 10px 2px 0; }
.gem-card-title {
  font-size: .78rem;
  font-weight: 700;
  color: var(--gem-text);
  line-height: 1.3;
}
.gem-card-label {
  font-size: .68rem;
  color: var(--gem-accent);
  font-weight: 600;
  margin-top: 3px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* ── Modal ─────────────────────────────────────────────────────── */
.gem-modal {
  display: none;
  position: fixed; inset: 0;
  z-index: 99999;
  align-items: center;
  justify-content: center;
}
.gem-modal.open { display: flex; }

.gem-modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(26,8,8,0.72);
  backdrop-filter: blur(3px);
}

.gem-modal-content {
  position: relative; z-index: 1;
  background: var(--gem-surface);
  border-radius: 20px;
  border: 1.5px solid var(--gem-border);
  box-shadow: 0 20px 60px rgba(217,54,53,0.18);
  padding: 24px;
  width: 90vw;
  max-width: 900px;
  max-height: 92vh;
  overflow-y: auto;
}

.gem-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gem-border-s);
}

.gem-modal-title {
  font-size: .92rem;
  font-weight: 700;
  color: var(--gem-text);
  display: flex; align-items: center; gap: 8px;
}
.gem-modal-title::before {
  content: '';
  display: inline-block;
  width: 4px; height: 15px;
  background: var(--gem-accent);
  border-radius: 4px;
}

.gem-modal-label {
  font-size: .68rem;
  color: var(--gem-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  margin-top: 4px;
}

.gem-modal-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--gem-border);
  background: var(--gem-surface);
  color: var(--gem-muted);
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  line-height: 1;
  transition: background .15s, border-color .15s, color .15s;
}
.gem-modal-close:hover {
  background: var(--gem-accent-bg);
  border-color: var(--gem-accent);
  color: var(--gem-accent);
}

/* ── Fullscreen ────────────────────────────────────────────────── */

/* O elemento que entra em fullscreen é .gem-flipbook-wrap */
.gem-flipbook-wrap:fullscreen,
.gem-flipbook-wrap:-webkit-full-screen {
  background: #0f0808;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.gem-flipbook-wrap:fullscreen .gem-flipbook-stage,
.gem-flipbook-wrap:-webkit-full-screen .gem-flipbook-stage {
  background: #0f0808;
  border-radius: 0;
  padding: 20px 70px;
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gem-flipbook-wrap:fullscreen .gem-flipbook-bar,
.gem-flipbook-wrap:-webkit-full-screen .gem-flipbook-bar {
  background: rgba(30,10,10,0.9);
  border-radius: 0;
  padding: 12px 32px;
  width: 100%;
  justify-content: center;
  gap: 20px;
  flex-shrink: 0;
}

.gem-flipbook-wrap:fullscreen .gem-nav-arrow,
.gem-flipbook-wrap:-webkit-full-screen .gem-nav-arrow {
  background: rgba(255,255,255,0.06);
  border-color: rgba(237,218,218,0.25);
  color: #e8d8d8;
}
.gem-flipbook-wrap:fullscreen .gem-nav-arrow:hover,
.gem-flipbook-wrap:-webkit-full-screen .gem-nav-arrow:hover {
  background: rgba(217,54,53,0.45);
  border-color: var(--gem-accent);
  color: white;
}

.gem-flipbook-wrap:fullscreen .gem-counter,
.gem-flipbook-wrap:-webkit-full-screen .gem-counter { color: #c8a8a8; }

.gem-flipbook-wrap:fullscreen .gem-btn-fs,
.gem-flipbook-wrap:-webkit-full-screen .gem-btn-fs {
  background: rgba(255,255,255,0.06);
  border-color: rgba(237,218,218,0.2);
  color: #c8a8a8;
}
.gem-flipbook-wrap:fullscreen .gem-btn-fs:hover,
.gem-flipbook-wrap:-webkit-full-screen .gem-btn-fs:hover {
  background: rgba(217,54,53,0.3);
  border-color: var(--gem-accent);
  color: white;
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .gem-featured { padding: 16px; }
  .gem-flipbook-stage { padding: 16px 48px; }
  .gem-card { width: 128px; }
  .gem-card-cover { width: 128px; height: 170px; }
  .gem-modal-content { padding: 16px; border-radius: 14px; }
}