/* ================= ARCHIVE SECTION ================= */

.archive-section{
  padding: 120px 0;
  background: linear-gradient(180deg, #f8f9fb, #eef1f5);
}

.archive-section .container{
  width: min(1880px, 96%);
  margin: 0 auto;
}


/* ================= LAYOUT ================= */

.archive-layout{
  display: grid;
  grid-template-columns: 1fr minmax(880px, 1080px) minmax(220px, 300px);
  gap: 32px;
  align-items: start;
}

/* Center column = main archive content */
.archive-viewer{
  grid-column: 2;
  background: #fff;
  border-radius: 24px;
  padding: 44px;

  box-shadow:
    0 10px 30px rgba(0,0,0,0.08),
    0 30px 80px rgba(0,0,0,0.12);
}

/* Right column = sticky navigation near right side */
.archive-sidebar{
  grid-column: 3;
  position: sticky;
  top: 120px;
  justify-self: end;
  width: 100%;
  max-width: 280px;
}

.archive-sidebar ul{
  list-style: disc outside;
  padding: 22px 20px 22px 38px;
  margin: 0;

  display: flex;
  flex-direction: column;
  gap: 12px;

  background: #fff;
  border-radius: 20px;

  box-shadow:
    0 10px 30px rgba(0,0,0,0.08),
    0 20px 50px rgba(0,0,0,0.08);
}



.archive-sidebar-toggle,
.archive-sidebar-overlay{
  display: none;
}

.archive-sidebar-toggle{
  position: fixed;
  top: 96px;
  right: 24px;
  z-index: 1300;

  border: none;
  border-radius: 999px;
  padding: 14px 18px;

  background: rgba(211,47,47,0.96);
  color: #fff;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;

  box-shadow: 0 12px 28px rgba(0,0,0,0.18);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.archive-sidebar-toggle:hover{
  background: var(--red-hover);
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(0,0,0,0.22);
}

.archive-sidebar-toggle:active{
  transform: translateY(0);
}

.archive-sidebar-overlay{
  position: fixed;
  inset: 0;
  background: rgba(15, 18, 25, 0.35);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 1250;
}

/* ================= VIEWER / IMAGE AREA ================= */

.archive-slider-nav{
  position: relative;
}

.archive-image{
  position: relative;
}

.archive-image img{
  width: 100%;
  height: min(78vh, 900px);
  object-fit: contain;
  background:#e3e2e2;
  border-radius: 20px;
  display: block;
  position: relative;
  z-index: 1;

  box-shadow:
    0 20px 50px rgba(0,0,0,0.14);
    
    .rotate {
    transform: rotate(90deg);
}
}

.archive-image button{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;

  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 20px;
  line-height: 1;
  cursor: pointer;

  background: rgba(211,47,47,0.92);
  color: #fff;

  box-shadow:
    0 8px 22px rgba(0,0,0,0.18);

  transition:
    background 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.archive-image button:hover{
  background: var(--red-hover);
  box-shadow:
    0 12px 28px rgba(0,0,0,0.24);
}

.archive-image button:active{
  transform: translateY(-50%) scale(0.95);
}

#prevArticle{
  left: 18px;
}

#nextArticle{
  right: 18px;
}


/* ================= THUMBNAILS ================= */

.archive-thumbnails{
  display: flex;
  gap: 12px;
  margin-top: 18px;
  overflow-x: auto;
  padding-bottom: 4px;

  scrollbar-width: thin;
}

.archive-thumbnails img{
  width: 78px;
  height: 58px;
  object-fit: cover;
  border-radius: 10px;
  cursor: pointer;
  opacity: 0.65;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease,
    border-color 0.2s ease;
  border: 2px solid transparent;
  flex: 0 0 auto;
}

.archive-thumbnails img:hover{
  opacity: 1;
  transform: scale(1.04);
}

.archive-thumbnails img.active{
  opacity: 1;
  border-color: var(--red);
}


/* ================= TEXT INFO ================= */

.archive-counter{
  color: var(--text-muted);
  margin-top: 16px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  font-weight: 500;
}

.archive-viewer h2,
#archiveTitle{
  margin-top: 0;
  margin-bottom: 10px;
  font-size: clamp(1.8rem, 2.8vw, 2.5rem);
  line-height: 1.2;
}

.archive-date{
  color: var(--text-muted);
  display: inline-block;
  margin-bottom: 18px;
  font-size: 0.98rem;
}

#archiveText{
  line-height: 1.8;
  color: #444;
  font-size: 1rem;
}


/* ================= SIDEBAR ITEMS ================= */

.archive-sidebar li{
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.45;
  transition:
    color 0.2s ease,
    transform 0.15s ease;
}

.archive-sidebar li:hover{
  color: var(--red);
  transform: translateX(3px);
}

.archive-sidebar li.active{
  color: var(--red);
  font-weight: 600;
}