/* ═══════════════════════════════════════════
   SLIDE DECK & PRESENTATION VIEWER — slide-deck.css
   Drake Hendrickson Portfolio
   ═══════════════════════════════════════════ */

:root {
  --dk-bg: #1f2026;
  --dk-surface: #2a2b34;
  --dk-surface-2: #252630;
  --dk-surface-hover: #343542;
  --dk-accent: #cfcdf8;
  --dk-purp: #6B52FF;
  --dk-purp-glow: rgba(107, 82, 255, 0.35);
  --dk-text: #ffffff;
  --dk-text-body: #eaeaf0;
  --dk-text-dim: rgba(234, 234, 240, 0.65);
  --dk-border: rgba(207, 205, 248, 0.12);
  --dk-border-hover: rgba(107, 82, 255, 0.5);
  --dk-radius: 16px;
  --dk-radius-sm: 10px;
}

/* ── DECK PAGE HEADER ── */
.deck-header-section {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 5vh 6vw 3vh;
}

.deck-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dk-accent);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.deck-breadcrumb:hover {
  color: #ffffff;
  transform: translateX(-4px);
}

.deck-title-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.deck-tagline {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dk-purp);
}

.deck-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  letter-spacing: 0.05em;
  color: #ffffff;
  line-height: 1.05;
  margin: 0;
}

.deck-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 1.15rem;
  color: var(--dk-text-dim);
  max-width: 850px;
  line-height: 1.6;
  margin-top: 4px;
}

/* ── DECK VIEWER CONTAINER ── */
.deck-viewer-wrapper {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto 6vh;
  padding: 0 6vw;
}

.deck-viewer {
  background: var(--dk-surface-2);
  border: 1px solid var(--dk-border);
  border-radius: var(--dk-radius);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(107, 82, 255, 0.1);
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.deck-viewer:hover {
  border-color: rgba(207, 205, 248, 0.25);
}

/* ── TOP TOOLBAR ── */
.deck-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--dk-surface);
  border-bottom: 1px solid var(--dk-border);
  gap: 15px;
}

.deck-file-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.deck-file-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--dk-purp);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.deck-file-icon svg {
  width: 16px;
  height: 16px;
}

.deck-filename {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.deck-counter-badge {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--dk-accent);
  background: rgba(207, 205, 248, 0.12);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(207, 205, 248, 0.2);
}

.deck-top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.deck-action-btn {
  background: rgba(207, 205, 248, 0.08);
  color: var(--dk-text-body);
  border: 1px solid var(--dk-border);
  border-radius: 8px;
  padding: 8px 14px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
}

.deck-action-btn:hover {
  background: var(--dk-purp);
  color: #ffffff;
  border-color: var(--dk-purp);
  transform: translateY(-1px);
}

.deck-action-btn svg {
  width: 15px;
  height: 15px;
}

/* ── MAIN VIEWER BODY (Stage + Right Sidebar) ── */
.deck-main-body {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 400px;
  background: #18191f;
}

@media (min-width: 900px) {
  .deck-main-body {
    flex-direction: row;
    height: 600px;
  }
}

/* Main Slide Stage */
.deck-stage {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #14151a;
  min-height: 380px;
}

.deck-slide-container,
.deck-canvas-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 20px;
  user-select: none;
  -webkit-user-select: none;
}

.deck-slide-img,
#pdfCanvas {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  opacity: 1;
  transition: opacity 0.25s ease, transform 0.25s ease;
  user-select: none;
  -webkit-user-drag: none;
}

/* PDF Viewer Container */
.deck-pdf-container {
  position: relative;
  width: 100%;
  height: 82vh;
  min-height: 600px;
  max-height: 960px;
  background: #14151a;
  overflow: hidden;
}

.deck-pdf-frame {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Slide Nav Arrow Overlays */
.stage-arrow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  background: rgba(31, 32, 38, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(207, 205, 248, 0.2);
  border-radius: 50%;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.3s ease;
  opacity: 0.7;
}

.stage-arrow-btn:hover {
  opacity: 1;
  background: var(--dk-purp);
  border-color: var(--dk-purp);
  transform: translateY(-50%) scale(1.1);
}

.stage-arrow-prev {
  left: 16px;
}

.stage-arrow-next {
  right: 16px;
}

.stage-arrow-btn svg {
  width: 22px;
  height: 22px;
}

/* ── RIGHT-HAND THUMBNAILS SIDEBAR (Matches Sketch!) ── */
.deck-sidebar {
  width: 100%;
  background: var(--dk-surface);
  border-top: 1px solid var(--dk-border);
  display: flex;
  flex-direction: row;
  overflow-x: auto;
  padding: 12px;
  gap: 12px;
}

@media (min-width: 900px) {
  .deck-sidebar {
    width: 240px;
    border-top: none;
    border-left: 1px solid var(--dk-border);
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px 14px;
    max-height: 600px;
  }
}

.sidebar-heading {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dk-text-dim);
  padding: 0 4px 6px;
  display: none;
}

@media (min-width: 900px) {
  .sidebar-heading {
    display: block;
  }
}

.thumbnail-item {
  position: relative;
  flex-shrink: 0;
  width: 110px;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid transparent;
  background: var(--dk-surface-2);
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 900px) {
  .thumbnail-item {
    width: 100%;
    aspect-ratio: 16 / 9;
  }
}

.thumbnail-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.65;
  transition: opacity 0.25s ease, transform 0.3s ease;
}

.thumbnail-item:hover img {
  opacity: 0.9;
  transform: scale(1.05);
}

.thumbnail-item.active {
  border-color: var(--dk-purp);
  box-shadow: 0 0 12px var(--dk-purp-glow);
}

.thumbnail-item.active img {
  opacity: 1;
}

.thumbnail-number {
  position: absolute;
  bottom: 4px;
  left: 6px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  line-height: 1;
}

/* ── BOTTOM CONTROLS & PROGRESS ── */
.deck-bottombar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--dk-surface);
  border-top: 1px solid var(--dk-border);
  gap: 16px;
}

.deck-nav-btn {
  background: rgba(207, 205, 248, 0.1);
  color: #ffffff;
  border: 1px solid var(--dk-border);
  border-radius: 8px;
  padding: 8px 18px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.25s ease;
}

.deck-nav-btn:hover:not(:disabled) {
  background: var(--dk-purp);
  border-color: var(--dk-purp);
  transform: translateY(-1px);
}

.deck-nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.deck-progress-track {
  flex: 1;
  height: 6px;
  background: rgba(207, 205, 248, 0.15);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.deck-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--dk-purp), var(--dk-accent));
  width: 16.66%;
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* ── WRITE-UP & PROJECT DETAILS SECTION ── */
.deck-details-section {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 2vh 6vw 8vh;
  display: flex;
  flex-direction: column;
  gap: 4vh;
}

.deck-overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

@media (min-width: 992px) {
  .deck-overview-grid {
    grid-template-columns: 1.8fr 1fr;
    align-items: center;
  }
}

.deck-narrative {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.deck-narrative h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: 0.05em;
  color: #ffffff;
  margin: 0;
}

.deck-narrative p {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  color: var(--dk-text-body);
  line-height: 1.7;
}

/* Spec Box adjustments */
.deck-spec-wrapper .spec-box {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: var(--dk-radius);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.deck-spec-wrapper .spec-box h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  color: #ffffff;
  border-bottom: 1px solid var(--dk-border);
  padding-bottom: 10px;
  margin: 0;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.spec-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dk-purp);
}

.spec-value {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--dk-text-body);
}