/* ============================================
   CARD DECK SECTION — Ooi Solutions
   ULTRA LIGHTWEIGHT — Minimal Animations
   Simple Horizontal Scroll Cards + Quiz
   ============================================ */

/* ── SECTION ── */
.card-deck-section {
  position: relative;
  width: 100%;
  background: #080f0d;
  color: var(--fg);
  padding: 60px 0 48px;
  overflow: hidden;
}

/* ── HEADER ── */
.cd-header {
  text-align: center;
  padding: 0 24px;
  margin-bottom: 32px;
}
.cd-header__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(29, 124, 110, 0.08);
  border: 1px solid rgba(29, 124, 110, 0.15);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 10px;
}
.cd-header__title {
  font-family: var(--font-primary);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1.5px;
  text-transform: uppercase;
  color: var(--fg);
}
.cd-header__title .accent-word {
  background: linear-gradient(135deg, var(--accent), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cd-header__sub {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 400;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* ── MAIN ROW ── */
.cd-main-row {
  display: flex;
  align-items: stretch;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  gap: 20px;
  padding: 0 24px;
}

/* ── HORIZONTAL SCROLL ── */
.cd-track-wrapper {
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-snap-type: x mandatory;
}
.cd-track-wrapper::-webkit-scrollbar { display: none; }

.cd-track {
  display: flex;
  gap: 16px;
  padding: 8px 0 16px;
}

/* ── CARD ── */
.cd-card {
  flex-shrink: 0;
  width: 240px;
  border-radius: 16px;
  background: rgba(18, 58, 52, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  scroll-snap-align: start;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.cd-card:hover {
  border-color: rgba(29, 124, 110, 0.3);
}

.cd-card__image {
  width: 100%;
  height: 120px;
  object-fit: cover;
  display: block;
  pointer-events: none;
}
.cd-card__body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cd-card__category {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  width: fit-content;
}
.cd-card__category i { font-size: 8px; }
.cd-card__title {
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.3px;
  text-transform: uppercase;
  color: var(--fg);
}
.cd-card__desc {
  font-size: 11px;
  line-height: 1.5;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Question area inside card */
.cd-card__question {
  font-size: 11px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--fg);
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* Answer buttons */
.cd-card__actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.cd-card__btn {
  flex: 1;
  padding: 8px 0;
  border-radius: 8px;
  font-family: var(--font-primary);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  border: none;
  text-align: center;
  transition: opacity 0.15s ease;
}
.cd-card__btn--yes {
  background: var(--accent);
  color: #fff;
}
.cd-card__btn--no {
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  border: 1px solid rgba(255,255,255,0.08);
}
.cd-card__btn:hover { opacity: 0.85; }

/* Answered states */
.cd-card.is-answered {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.cd-card.is-answered .cd-card__actions { display: none; }
.cd-card.is-answered .cd-card__question { display: none; }

.cd-card__answer-badge {
  display: none;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 6px;
  padding: 4px 8px;
  border-radius: 6px;
}
.cd-card.is-answered .cd-card__answer-badge { display: inline-flex; }
.cd-card.is-answered-yes .cd-card__answer-badge {
  background: rgba(29,124,110,0.15);
  color: var(--accent);
}
.cd-card.is-answered-no .cd-card__answer-badge {
  background: rgba(255,255,255,0.04);
  color: var(--muted);
}

/* ── SCORE SIDEBAR ── */
.cd-sidebar {
  flex-shrink: 0;
  width: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px 16px;
  background: rgba(18, 58, 52, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
}
.cd-sidebar__score-num {
  font-family: var(--font-primary);
  font-size: 36px;
  font-weight: 900;
  color: var(--fg);
  line-height: 1;
}
.cd-sidebar__score-label {
  font-size: 9px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.cd-sidebar__title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--fg);
  text-align: center;
}
.cd-sidebar__progress-bar {
  width: 100%;
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}
.cd-sidebar__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-gold));
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0%;
}
.cd-sidebar__count {
  font-size: 10px;
  color: var(--muted);
  text-align: center;
}
.cd-sidebar__result-btn {
  width: 100%;
  padding: 10px 0;
  border-radius: 100px;
  font-family: var(--font-primary);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.cd-sidebar__result-btn.is-ready {
  opacity: 1;
  pointer-events: auto;
}
.cd-sidebar__result-btn:hover { opacity: 0.9; }

.cd-sidebar__reset-btn {
  background: none;
  border: none;
  font-size: 9px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 8px;
}
.cd-sidebar__reset-btn:hover { color: var(--fg); }

/* ── RESULT SCREEN ── */
.cd-result-screen {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(8, 15, 13, 0.97);
  text-align: center;
  padding: 40px;
  gap: 10px;
}
.cd-result-screen.is-visible { display: flex; }
.cd-result-score {
  font-family: var(--font-primary);
  font-size: clamp(56px, 10vw, 100px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -4px;
  background: linear-gradient(135deg, var(--accent), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cd-result-grade {
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--fg);
}
.cd-result-bar {
  width: 100%;
  max-width: 320px;
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  margin: 14px auto;
  overflow: hidden;
}
.cd-result-bar__fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.8s ease;
  width: 0%;
}
.cd-result-desc {
  font-size: 13px;
  color: var(--muted);
  max-width: 400px;
  line-height: 1.7;
  margin: 0 auto;
}
.cd-result-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.cd-result-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 100px;
  font-family: var(--font-primary);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  border: none;
  padding: 12px 28px;
  transition: opacity 0.15s ease;
}
.cd-result-btn:hover { opacity: 0.9; }
.cd-result-btn--cta {
  background: var(--accent);
  color: #fff;
}
.cd-result-btn--retry {
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  border: 1px solid rgba(255,255,255,0.08);
}

/* ── TOAST ── */
.cd-toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-80px);
  background: rgba(18, 58, 52, 0.9);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.3s ease;
  white-space: nowrap;
}
.cd-toast--visible { transform: translateX(-50%) translateY(0); }
.cd-toast i { font-size: 12px; }

/* ── RESPONSIVE ── */
@media (max-width: 1023px) {
  .cd-main-row {
    flex-direction: column;
    gap: 16px;
  }
  .cd-sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 12px 16px;
    gap: 8px;
    justify-content: center;
  }
  .cd-sidebar__result-btn { width: auto; padding: 8px 20px; }
}

@media (max-width: 767px) {
  .card-deck-section { padding: 40px 0 32px; }
  .cd-card { width: 200px; }
  .cd-card__image { height: 90px; }
  .cd-card__body { padding: 10px; }
  .cd-header__title { font-size: clamp(24px, 7vw, 40px); }
}

@media (max-width: 479px) {
  .cd-card { width: 180px; }
  .cd-sidebar { padding: 10px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .cd-card, .cd-toast, .cd-sidebar__progress-fill, .cd-result-bar__fill {
    transition-duration: 0.01ms !important;
  }
}