/* ===== Presentation-Style Slideshow ===== */
.presentation {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 1.5rem auto;
  background: #1a1a2e;
  border-radius: 10px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  color: #fff;
  font-family: inherit;
}

.presentation input[type="radio"] {
  display: none;
}

/* Slide container */
.presentation .p-slides {
  position: relative;
  min-height: 520px;
}

.presentation .p-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 520px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
  display: flex;
  flex-direction: column;
}

/* Title slide style */
.presentation .p-slide.title-slide {
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.presentation .p-slide.title-slide h2 {
  font-size: 2.2rem;
  margin: 0 0 0.5rem 0;
  color: #e94560;
  font-weight: 700;
}

.presentation .p-slide.title-slide h3 {
  font-size: 1.3rem;
  margin: 0 0 1rem 0;
  color: #a8b2d1;
  font-weight: 400;
}

.presentation .p-slide.title-slide p {
  font-size: 1rem;
  color: #8892b0;
  max-width: 600px;
  line-height: 1.6;
}

/* Content slide style */
.presentation .p-slide.content-slide {
  flex-direction: row;
  padding: 2rem;
  gap: 2rem;
  align-items: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.presentation .p-slide.content-slide .p-text {
  flex: 1;
  min-width: 0;
}

.presentation .p-slide.content-slide .p-text h3 {
  font-size: 1.4rem;
  color: #e94560;
  margin: 0 0 0.4rem 0;
}

.presentation .p-slide.content-slide .p-text .p-author {
  font-size: 0.85rem;
  color: #e94560;
  opacity: 0.8;
  margin: 0 0 0.75rem 0;
  font-weight: 600;
}

.presentation .p-slide.content-slide .p-text p {
  font-size: 0.95rem;
  color: #ccd6f6;
  line-height: 1.6;
  margin: 0;
}

.presentation .p-slide.content-slide .p-image {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.presentation .p-slide.content-slide .p-image img {
  max-width: 100%;
  max-height: 400px;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

/* Full-image slide */
.presentation .p-slide.image-slide {
  align-items: center;
  justify-content: center;
  padding: 1.5rem 2rem;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.presentation .p-slide.image-slide img {
  max-width: 100%;
  max-height: 380px;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.presentation .p-slide.image-slide .p-img-caption {
  margin-top: 1rem;
  text-align: center;
}

.presentation .p-slide.image-slide .p-img-caption h3 {
  font-size: 1.2rem;
  color: #e94560;
  margin: 0 0 0.3rem 0;
}

.presentation .p-slide.image-slide .p-img-caption p {
  font-size: 0.9rem;
  color: #a8b2d1;
  margin: 0;
  line-height: 1.5;
}

/* ===== STUDENT SLIDESHOW (8 slides, ps1-ps8) ===== */
#ps1:checked ~ .p-slides .p-slide:nth-child(1),
#ps2:checked ~ .p-slides .p-slide:nth-child(2),
#ps3:checked ~ .p-slides .p-slide:nth-child(3),
#ps4:checked ~ .p-slides .p-slide:nth-child(4),
#ps5:checked ~ .p-slides .p-slide:nth-child(5),
#ps6:checked ~ .p-slides .p-slide:nth-child(6),
#ps7:checked ~ .p-slides .p-slide:nth-child(7),
#ps8:checked ~ .p-slides .p-slide:nth-child(8) {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.presentation .p-nav { display: none; }

#ps1:checked ~ .p-controls .p-nav.pn1,
#ps2:checked ~ .p-controls .p-nav.pn2,
#ps3:checked ~ .p-controls .p-nav.pn3,
#ps4:checked ~ .p-controls .p-nav.pn4,
#ps5:checked ~ .p-controls .p-nav.pn5,
#ps6:checked ~ .p-controls .p-nav.pn6,
#ps7:checked ~ .p-controls .p-nav.pn7,
#ps8:checked ~ .p-controls .p-nav.pn8 {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.presentation .p-counter { display: none; font-size: 0.8rem; color: #8892b0; }

#ps1:checked ~ .p-controls .p-counter.pc1,
#ps2:checked ~ .p-controls .p-counter.pc2,
#ps3:checked ~ .p-controls .p-counter.pc3,
#ps4:checked ~ .p-controls .p-counter.pc4,
#ps5:checked ~ .p-controls .p-counter.pc5,
#ps6:checked ~ .p-controls .p-counter.pc6,
#ps7:checked ~ .p-controls .p-counter.pc7,
#ps8:checked ~ .p-controls .p-counter.pc8 {
  display: block;
}

#ps1:checked ~ .p-controls .p-dots label[for="ps1"],
#ps2:checked ~ .p-controls .p-dots label[for="ps2"],
#ps3:checked ~ .p-controls .p-dots label[for="ps3"],
#ps4:checked ~ .p-controls .p-dots label[for="ps4"],
#ps5:checked ~ .p-controls .p-dots label[for="ps5"],
#ps6:checked ~ .p-controls .p-dots label[for="ps6"],
#ps7:checked ~ .p-controls .p-dots label[for="ps7"],
#ps8:checked ~ .p-controls .p-dots label[for="ps8"] {
  background: #e94560;
  transform: scale(1.3);
}

/* ===== ADULT SLIDESHOW (8 slides, as1-as8) ===== */
#as1:checked ~ .p-slides .p-slide:nth-child(1),
#as2:checked ~ .p-slides .p-slide:nth-child(2),
#as3:checked ~ .p-slides .p-slide:nth-child(3),
#as4:checked ~ .p-slides .p-slide:nth-child(4),
#as5:checked ~ .p-slides .p-slide:nth-child(5),
#as6:checked ~ .p-slides .p-slide:nth-child(6),
#as7:checked ~ .p-slides .p-slide:nth-child(7),
#as8:checked ~ .p-slides .p-slide:nth-child(8) {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.presentation .a-nav { display: none; }

#as1:checked ~ .p-controls .a-nav.an1,
#as2:checked ~ .p-controls .a-nav.an2,
#as3:checked ~ .p-controls .a-nav.an3,
#as4:checked ~ .p-controls .a-nav.an4,
#as5:checked ~ .p-controls .a-nav.an5,
#as6:checked ~ .p-controls .a-nav.an6,
#as7:checked ~ .p-controls .a-nav.an7,
#as8:checked ~ .p-controls .a-nav.an8 {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.presentation .a-counter { display: none; font-size: 0.8rem; color: #8892b0; }

#as1:checked ~ .p-controls .a-counter.ac1,
#as2:checked ~ .p-controls .a-counter.ac2,
#as3:checked ~ .p-controls .a-counter.ac3,
#as4:checked ~ .p-controls .a-counter.ac4,
#as5:checked ~ .p-controls .a-counter.ac5,
#as6:checked ~ .p-controls .a-counter.ac6,
#as7:checked ~ .p-controls .a-counter.ac7,
#as8:checked ~ .p-controls .a-counter.ac8 {
  display: block;
}

#as1:checked ~ .p-controls .p-dots label[for="as1"],
#as2:checked ~ .p-controls .p-dots label[for="as2"],
#as3:checked ~ .p-controls .p-dots label[for="as3"],
#as4:checked ~ .p-controls .p-dots label[for="as4"],
#as5:checked ~ .p-controls .p-dots label[for="as5"],
#as6:checked ~ .p-controls .p-dots label[for="as6"],
#as7:checked ~ .p-controls .p-dots label[for="as7"],
#as8:checked ~ .p-controls .p-dots label[for="as8"] {
  background: #e94560;
  transform: scale(1.3);
}

/* Bottom bar: arrows + dots + counter */
.presentation .p-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: rgba(0, 0, 0, 0.35);
  position: relative;
  z-index: 5;
}

.presentation .p-controls label.p-arrow {
  cursor: pointer;
  font-size: 1.4rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  user-select: none;
}

.presentation .p-controls label.p-arrow:hover {
  background: rgba(255, 255, 255, 0.25);
}

.presentation .p-dots {
  display: flex;
  gap: 0.4rem;
}

.presentation .p-dots label {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.presentation .p-dots label:hover {
  background: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 700px) {
  .presentation .p-slide.content-slide {
    flex-direction: column;
    padding: 1.5rem;
  }
  .presentation .p-slide.title-slide h2 {
    font-size: 1.6rem;
  }
  .presentation .p-slides {
    min-height: 480px;
  }
}