/* ============================================================
   ChronoDino — QUIZ.CSS
   Quizzes & Games page — standalone, no impact on other pages
   ============================================================ */

/* ─── PAGE HERO ───────────────────────────────────────────── */
.quiz-hero {
  padding-top: calc(var(--header-h) + 5rem);
  padding-bottom: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--clr-void);
}

.quiz-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(232,160,32,0.12) 0%, transparent 55%);
  pointer-events: none;
}

.quiz-hero-emoji {
  font-size: 4rem;
  display: block;
  margin-bottom: 1rem;
  animation: quizBounce 2s ease-in-out infinite;
}

@keyframes quizBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

.quiz-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--clr-bone);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.quiz-hero h1 em {
  font-style: normal;
  color: var(--clr-amber);
}

.quiz-hero p {
  font-size: 1.1rem;
  color: rgba(245,234,208,0.80);
  max-width: 600px;
  margin-inline: auto;
  line-height: 1.75;
}

/* ─── QUIZ MODE SELECTOR ──────────────────────────────────── */
.quiz-modes {
  padding-block: 5rem;
  background: var(--clr-earth);
}

.quiz-modes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 900px;
  margin-inline: auto;
}

.quiz-mode-card {
  background: var(--clr-mud);
  border: 2px solid rgba(232,160,32,0.15);
  border-radius: var(--r-xl);
  padding: 2.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.22,1,0.36,1);
  position: relative;
  overflow: hidden;
}

.quiz-mode-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
}

.quiz-mode-card.era-mode::before {
  background: radial-gradient(ellipse at 50% 0%, rgba(45,122,58,0.15) 0%, transparent 70%);
}

.quiz-mode-card.dino-mode::before {
  background: radial-gradient(ellipse at 50% 0%, rgba(192,57,43,0.15) 0%, transparent 70%);
}

.quiz-mode-card:hover {
  border-color: var(--clr-amber);
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 40px rgba(232,160,32,0.15);
}

.quiz-mode-card:hover::before { opacity: 1; }

.quiz-mode-icon {
  font-size: 3.5rem;
  display: block;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}

.quiz-mode-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--clr-bone);
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}

.quiz-mode-desc {
  font-size: 0.95rem;
  color: rgba(245,234,208,0.75);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.quiz-mode-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(232,160,32,0.1);
  border: 1px solid rgba(232,160,32,0.25);
  border-radius: var(--r-pill);
  padding: 4px 14px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-amber);
  position: relative;
  z-index: 1;
}

/* ─── QUIZ FLOW SCREENS ───────────────────────────────────── */
#quiz-flow {
  padding-block: 4rem;
  background: var(--clr-void);
  min-height: 60vh;
  display: none;
}

#quiz-flow.active { display: block; }

.quiz-screen {
  display: none;
  max-width: 720px;
  margin-inline: auto;
  animation: fadeSlideUp 0.4s ease forwards;
}

.quiz-screen.active { display: block; }

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── STEP: ERA SELECTOR ──────────────────────────────────── */
.step-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--clr-bone);
  text-align: center;
  margin-bottom: 0.5rem;
}

.step-subtitle {
  text-align: center;
  font-size: 1rem;
  color: rgba(245,234,208,0.70);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.era-select-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.era-select-btn {
  background: var(--clr-mud);
  border: 2px solid rgba(232,160,32,0.15);
  border-radius: var(--r-lg);
  padding: 1.75rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  color: var(--clr-bone);
}

.era-select-btn:hover,
.era-select-btn.selected {
  border-color: var(--clr-amber);
  background: rgba(232,160,32,0.1);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.era-select-btn[data-era="triassic"]:hover,
.era-select-btn[data-era="triassic"].selected { border-color: #e8804a; background: rgba(192,98,47,0.15); }
.era-select-btn[data-era="jurassic"]:hover,
.era-select-btn[data-era="jurassic"].selected  { border-color: #5aba6e; background: rgba(45,122,58,0.15); }
.era-select-btn[data-era="cretaceous"]:hover,
.era-select-btn[data-era="cretaceous"].selected{ border-color: #e05050; background: rgba(139,26,26,0.2); }

.era-select-icon { font-size: 2.5rem; display: block; margin-bottom: 0.75rem; }
.era-select-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}
.era-select-period {
  font-size: 0.72rem;
  color: rgba(245,234,208,0.55);
  letter-spacing: 0.06em;
}

/* ─── STEP: DIFFICULTY SELECTOR ──────────────────────────── */
.diff-select-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.diff-select-btn {
  background: var(--clr-mud);
  border: 2px solid rgba(232,160,32,0.15);
  border-radius: var(--r-lg);
  padding: 2rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
}

.diff-select-btn:hover, .diff-select-btn.selected {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.diff-select-btn[data-diff="Easy"]:hover,
.diff-select-btn[data-diff="Easy"].selected   { border-color: #5aba6e; background: rgba(45,122,58,0.15); }
.diff-select-btn[data-diff="Medium"]:hover,
.diff-select-btn[data-diff="Medium"].selected { border-color: var(--clr-amber); background: rgba(232,160,32,0.12); }
.diff-select-btn[data-diff="Hard"]:hover,
.diff-select-btn[data-diff="Hard"].selected   { border-color: #e74c3c; background: rgba(192,57,43,0.15); }

.diff-select-icon  { font-size: 2.2rem; display: block; margin-bottom: 0.6rem; }
.diff-select-name  {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--clr-bone);
  margin-bottom: 0.3rem;
}
.diff-select-desc  { font-size: 0.8rem; color: rgba(245,234,208,0.6); line-height: 1.5; }

/* ─── QUIZ QUESTION SCREEN ────────────────────────────────── */
.quiz-progress-bar-track {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--r-pill);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.quiz-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-amber), #ffcc55);
  border-radius: var(--r-pill);
  transition: width 0.5s cubic-bezier(0.22,1,0.36,1);
}

.quiz-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245,234,208,0.55);
}

.quiz-score-live {
  background: rgba(232,160,32,0.1);
  border: 1px solid rgba(232,160,32,0.2);
  border-radius: var(--r-pill);
  padding: 4px 12px;
  color: var(--clr-amber);
}

.quiz-question-card {
  background: var(--clr-earth);
  border: 1px solid rgba(232,160,32,0.12);
  border-radius: var(--r-xl);
  padding: 2.5rem;
  margin-bottom: 1.5rem;
}

.quiz-question-num {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-amber);
  margin-bottom: 1rem;
}

.quiz-question-text {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--clr-bone);
  line-height: 1.4;
}

.quiz-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
}

.quiz-option-btn {
  background: var(--clr-mud);
  border: 2px solid rgba(232,160,32,0.12);
  border-radius: var(--r-lg);
  padding: 1rem 1.25rem;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-bone);
  line-height: 1.45;
  transition: all 0.18s ease;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.quiz-option-btn:hover:not(:disabled) {
  border-color: var(--clr-amber);
  background: rgba(232,160,32,0.1);
  transform: translateX(4px);
}

.quiz-option-btn:disabled { cursor: default; }

.quiz-option-btn.correct {
  border-color: #27ae60;
  background: rgba(39,174,96,0.18);
  color: #a8f0b0;
}

.quiz-option-btn.wrong {
  border-color: #c0392b;
  background: rgba(192,57,43,0.18);
  color: #ffaaaa;
}

.quiz-option-btn.reveal-correct {
  border-color: #27ae60;
  background: rgba(39,174,96,0.1);
  color: rgba(245,234,208,0.85);
}

.quiz-option-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(232,160,32,0.12);
  border: 1px solid rgba(232,160,32,0.2);
  font-size: 0.75rem;
  font-weight: 900;
  color: var(--clr-amber);
  flex-shrink: 0;
  margin-top: 1px;
}

.quiz-option-btn.correct .quiz-option-letter { background: rgba(39,174,96,0.3); border-color: #27ae60; color: #a8f0b0; }
.quiz-option-btn.wrong .quiz-option-letter   { background: rgba(192,57,43,0.3); border-color: #c0392b; color: #ffaaaa; }

.quiz-feedback-banner {
  border-radius: var(--r-lg);
  padding: 1rem 1.5rem;
  margin-top: 1rem;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.5;
  display: none;
}

.quiz-feedback-banner.correct {
  display: block;
  background: rgba(39,174,96,0.15);
  border: 1px solid rgba(39,174,96,0.4);
  color: #a8f0b0;
}

.quiz-feedback-banner.wrong {
  display: block;
  background: rgba(192,57,43,0.15);
  border: 1px solid rgba(192,57,43,0.4);
  color: #ffbbbb;
}

/* ─── NEXT BUTTON ─────────────────────────────────────────── */
.quiz-next-btn {
  display: block;
  width: 100%;
  padding: 1rem 2rem;
  background: var(--clr-amber);
  color: var(--clr-void);
  border: none;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 1.25rem;
  text-align: center;
  display: none;
}

.quiz-next-btn.visible { display: block; }
.quiz-next-btn:hover { background: #ffcc55; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,160,32,0.35); }

/* ─── RESULTS SCREEN ──────────────────────────────────────── */
.results-card {
  background: var(--clr-earth);
  border: 1px solid rgba(232,160,32,0.15);
  border-radius: var(--r-xl);
  padding: 3rem 2.5rem;
  text-align: center;
}

.results-trophy {
  font-size: 5rem;
  display: block;
  margin-bottom: 0.75rem;
  animation: trophyPop 0.6s cubic-bezier(0.22,1,0.36,1) forwards;
}

@keyframes trophyPop {
  from { transform: scale(0.3) rotate(-15deg); opacity: 0; }
  to   { transform: scale(1) rotate(0deg); opacity: 1; }
}

.results-title-rank {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.results-rank-name {
  display: inline-block;
  background: linear-gradient(135deg, var(--clr-amber), #ffcc55);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.results-score-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1.5rem 0;
}

.results-score-big {
  font-family: var(--font-display);
  font-size: 4.5rem;
  line-height: 1;
  color: var(--clr-amber);
}

.results-score-denom {
  font-size: 1.5rem;
  color: rgba(245,234,208,0.45);
  align-self: flex-end;
  padding-bottom: 0.6rem;
}

.results-score-label {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245,234,208,0.5);
  text-align: left;
}

.results-message {
  font-size: 1.05rem;
  color: rgba(245,234,208,0.82);
  line-height: 1.75;
  max-width: 480px;
  margin: 1rem auto 2rem;
}

.results-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.results-stat-item {
  background: var(--clr-mud);
  border: 1px solid rgba(232,160,32,0.1);
  border-radius: var(--r-md);
  padding: 1rem 0.75rem;
}

.results-stat-val {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--clr-amber);
  display: block;
}

.results-stat-label {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(245,234,208,0.5);
}

.results-perfect-confetti {
  position: relative;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  animation: confettiFall linear forwards;
}

@keyframes confettiFall {
  0%   { transform: translateY(-20px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(300px) rotate(720deg); opacity: 0; }
}

.results-btn-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.quiz-btn-primary {
  background: var(--clr-amber);
  color: var(--clr-void);
  border: none;
  border-radius: var(--r-pill);
  padding: 0.875rem 2rem;
  font-family: var(--font-display);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.quiz-btn-primary:hover { background: #ffcc55; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,160,32,0.35); }

.quiz-btn-secondary {
  background: transparent;
  color: var(--clr-bone);
  border: 2px solid rgba(232,160,32,0.3);
  border-radius: var(--r-pill);
  padding: 0.875rem 2rem;
  font-family: var(--font-display);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.quiz-btn-secondary:hover { border-color: var(--clr-amber); color: var(--clr-amber); }

/* ─── BACK BUTTON ─────────────────────────────────────────── */
.quiz-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245,234,208,0.5);
  cursor: pointer;
  background: none;
  border: none;
  margin-bottom: 2rem;
  transition: color 0.2s;
}

.quiz-back-btn:hover { color: var(--clr-amber); }

/* ─── RANK BADGE ──────────────────────────────────────────── */
.rank-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(232,160,32,0.1);
  border: 2px solid rgba(232,160,32,0.35);
  border-radius: var(--r-pill);
  padding: 6px 18px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-amber);
  margin-bottom: 1.25rem;
}

/* ─── HOME PAGE QUIZ SECTION ──────────────────────────────── */
.home-quiz-section {
  padding-block: 5rem;
  background: var(--clr-earth);
  position: relative;
  overflow: hidden;
}

.home-quiz-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(232,160,32,0.07) 0%, transparent 60%);
  pointer-events: none;
}

.quiz-promo-card {
  background: var(--clr-mud);
  border: 1px solid rgba(232,160,32,0.15);
  border-radius: var(--r-xl);
  padding: 3rem 2.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  transition: border-color 0.3s;
  max-width: 860px;
  margin-inline: auto;
}

.quiz-promo-card:hover { border-color: rgba(232,160,32,0.35); }

.quiz-promo-badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.quiz-promo-badge {
  background: rgba(232,160,32,0.1);
  border: 1px solid rgba(232,160,32,0.25);
  border-radius: var(--r-pill);
  padding: 3px 12px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-amber);
}

.quiz-promo-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--clr-bone);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.quiz-promo-desc {
  font-size: 1rem;
  color: rgba(245,234,208,0.78);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.quiz-promo-illustration {
  font-size: 5rem;
  line-height: 1;
  text-align: center;
  animation: quizBounce 3s ease-in-out infinite;
}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .quiz-modes-grid { grid-template-columns: 1fr; }
  .era-select-grid { grid-template-columns: 1fr; }
  .diff-select-grid { grid-template-columns: 1fr; }
  .quiz-options-grid { grid-template-columns: 1fr; }
  .results-stats-row { grid-template-columns: repeat(3, 1fr); }
  .quiz-promo-card { grid-template-columns: 1fr; text-align: center; }
  .quiz-promo-badges { justify-content: center; }
  .quiz-promo-illustration { font-size: 3.5rem; }
  .results-score-big { font-size: 3.5rem; }
}

@media (max-width: 480px) {
  .results-stats-row { grid-template-columns: 1fr; }
  .quiz-question-card { padding: 1.5rem; }
}