/* ==========================================================================
   CSA BOOKS 4 KIDS - PROMOTIONAL CAMPAIGN SYSTEM
   Nuova Uscita: Le Grandi Raccolte (Vol. 1 e Vol. 2)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. BACKDROP & DIALOG MODALE
   -------------------------------------------------------------------------- */
.campaign-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background-color: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  box-sizing: border-box;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.campaign-modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.campaign-modal-dialog {
  position: relative;
  width: 100%;
  max-width: 1040px;
  max-height: 94vh;
  border-radius: 28px;
  overflow-y: auto;
  overflow-x: hidden;
  box-sizing: border-box;
  background-color: #FAF6EF;
  background-image: url('assets/banner/banner-csa-books-4-kids.jpg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  border: 1px solid rgba(240, 90, 40, 0.25);
  box-shadow: 0 25px 65px -10px rgba(15, 23, 42, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.6);
  transform: scale(0.92) translateY(18px);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.campaign-modal-backdrop.is-open .campaign-modal-dialog {
  transform: scale(1) translateY(0);
}

/* Pulsante di Chiusura (✕) */
.campaign-modal-close {
  position: absolute;
  top: 1.15rem;
  right: 1.15rem;
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.16);
  color: #151D2A;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.campaign-modal-close:hover {
  transform: scale(1.08) rotate(90deg);
  background-color: #F05A28;
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   2. PANNELLO SPLIT (VOL. 1 SINISTRA + VOL. 2 DESTRA)
   -------------------------------------------------------------------------- */
.campaign-split-panel {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 2.25rem 2.25rem 2rem 2.25rem;
  background: rgba(255, 252, 247, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  box-sizing: border-box;
}

/* Header Unificato Senza Badge */
.campaign-split-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.campaign-title {
  font-family: var(--font-heading, 'Fredoka', sans-serif);
  font-size: clamp(1.45rem, 2.8vw, 1.95rem);
  font-weight: 700;
  color: #151D2A;
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.01em;
}

.campaign-split-subtitle {
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: 0.95rem;
  color: #5A6A80;
  line-height: 1.45;
  margin: 0;
  max-width: 620px;
}

/* Griglia Split: 2 Colonne */
.campaign-split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.campaign-split-card {
  background: #FFFFFF;
  border: 1px solid rgba(226, 214, 197, 0.95);
  border-radius: 20px;
  padding: 1.4rem 1.35rem 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.campaign-split-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.1);
  border-color: rgba(240, 90, 40, 0.3);
}

.campaign-split-card-body {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1.25rem;
  align-items: start;
}

/* Copertina Rettangolare */
.campaign-cover-frame {
  position: relative;
  width: 130px;
  aspect-ratio: 1555 / 2000;
  height: auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.18), 0 2px 6px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  background-color: #FAF6EF;
  flex-shrink: 0;
}

.campaign-cover-frame:hover {
  transform: scale(1.04);
  box-shadow: 0 12px 24px rgba(240, 90, 40, 0.35);
}

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

.campaign-cover-zoom-hint {
  position: absolute;
  bottom: 5px;
  right: 5px;
  background: rgba(21, 29, 42, 0.88);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 3px;
  pointer-events: none;
}

.campaign-split-details {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.campaign-split-card-title {
  font-family: var(--font-heading, 'Fredoka', sans-serif);
  font-size: 1.18rem;
  font-weight: 700;
  color: #151D2A;
  margin: 0;
  line-height: 1.25;
}

.campaign-split-card-meta {
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: 0.8rem;
  font-weight: 600;
  color: #F05A28;
  margin: 0 0 0.2rem 0;
  line-height: 1.35;
}

.campaign-split-stories-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.campaign-split-stories-list li {
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: 0.78rem;
  color: #334155;
  line-height: 1.32;
  padding-left: 0.85rem;
  position: relative;
}

.campaign-split-stories-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: #F05A28;
  font-weight: 800;
}

/* Pulsanti Azione */
.campaign-split-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: auto;
}

.campaign-btn-buy {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  background: linear-gradient(135deg, #F05A28 0%, #D94818 100%);
  color: #FFFFFF;
  font-family: var(--font-heading, 'Fredoka', sans-serif);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  padding: 0.68rem 1rem;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(240, 90, 40, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-sizing: border-box;
}

.campaign-btn-buy:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(240, 90, 40, 0.45);
  background: linear-gradient(135deg, #FF6A00 0%, #E63900 100%);
  color: #FFFFFF;
}

.campaign-btn-buy.is-disabled {
  background: #EDE8E1;
  color: #78716C;
  border: 1px dashed #C7BEB3;
  cursor: not-allowed;
  box-shadow: none;
}

.campaign-flag-img {
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.campaign-btn-sample {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: #FFFFFF;
  color: #151D2A;
  border: 1.5px solid rgba(226, 214, 197, 0.95);
  font-family: var(--font-heading, 'Fredoka', sans-serif);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  box-sizing: border-box;
}

.campaign-btn-sample:hover {
  transform: translateY(-2px);
  background: #FAF6EF;
  border-color: #F05A28;
  color: #F05A28;
}

/* --------------------------------------------------------------------------
   3. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 860px) {
  .campaign-modal-dialog {
    max-width: 580px;
    border-radius: 24px;
  }

  .campaign-split-panel {
    padding: 1.75rem 1.35rem 1.5rem 1.35rem;
    gap: 1.15rem;
  }

  .campaign-split-grid {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }
}

@media (max-width: 520px) {
  .campaign-split-panel {
    padding: 1.5rem 1rem 1.25rem 1rem;
  }

  .campaign-split-card {
    padding: 1.1rem 1rem 1rem 1rem;
  }

  .campaign-split-card-body {
    grid-template-columns: 90px 1fr;
    gap: 0.75rem;
  }

  .campaign-cover-frame {
    width: 90px;
  }

  .campaign-split-actions {
    flex-direction: column;
    width: 100%;
  }

  .campaign-btn-buy,
  .campaign-btn-sample {
    width: 100%;
  }
}