/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0f0f0f;
  --card-bg: #1a1a1a;
  --card-border: #2a2a2a;
  --text: #f0f0f0;
  --muted: #888;
  --accent: #ffffff;
  --correct: #22c55e;
  --correct-bg: #052e16;
  --wrong: #ef4444;
  --wrong-bg: #2d0a0a;
  --radius: 16px;
  --transition: 0.25s ease;
}

html {
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hidden {
  display: none !important;
}

/* ── Header ── */
header {
  width: 100%;
  max-width: 900px;
  padding: 28px 20px 12px;
  text-align: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
}

.logo {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #fff;
}

.day-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  background: #1e1e1e;
  border: 1px solid #2a2a2a;
  border-radius: 999px;
  padding: 4px 12px;
}

/* ── Progress dots ── */
.progress-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2a2a2a;
  transition: background var(--transition);
}

.dot.correct  { background: var(--correct); }
.dot.wrong    { background: var(--wrong); }
.dot.current  { background: #555; }

/* ── Main ── */
main {
  width: 100%;
  max-width: 900px;
  padding: 32px 20px 40px;
  flex: 1;
}

.screen {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Loading ── */
#loading-screen p {
  color: var(--muted);
  font-size: 1rem;
}

/* ── No puzzle ── */
.no-puzzle-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 48px 36px;
  text-align: center;
  max-width: 420px;
}

.no-puzzle-card h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.no-puzzle-card p {
  color: var(--muted);
  margin-bottom: 24px;
}

/* ── Prompt ── */
.prompt {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 28px;
  text-align: center;
}

.prompt strong {
  color: var(--text);
}

/* ── Cards ── */
.cards-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  width: 100%;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 28px 28px;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.55;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
  position: relative;
  min-height: 180px;
}

.card:hover:not(:disabled) {
  transform: translateY(-4px);
  border-color: #3a3a3a;
}

.card:active:not(:disabled) {
  transform: translateY(-1px);
}

.card:disabled {
  cursor: default;
}

.card-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.card-text {
  font-size: 1rem;
  line-height: 1.6;
}

/* Reveal states */
.card.correct {
  background: var(--correct-bg);
  border-color: var(--correct);
}

.card.wrong {
  background: var(--wrong-bg);
  border-color: var(--wrong);
}

.card .result-badge {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-top: 16px;
  text-transform: uppercase;
}

.card.correct .result-badge { color: var(--correct); }
.card.wrong   .result-badge { color: var(--wrong); }

/* ── Explanation ── */
.explanation {
  margin-top: 28px;
  width: 100%;
  background: #151515;
  border: 1px solid #252525;
  border-radius: var(--radius);
  padding: 24px 28px;
  animation: fadeIn 0.35s ease;
}

.explanation p {
  color: #d0d0d0;
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 14px;
}

.explanation a {
  display: inline-block;
  color: #60a5fa;
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 1px solid #2a4a7a;
  padding-bottom: 1px;
  transition: color 0.15s;
}

.explanation a:hover {
  color: #93c5fd;
}

.next-btn {
  display: block;
  margin-top: 20px;
  margin-left: auto;
  background: #fff;
  color: #000;
  border: none;
  border-radius: 999px;
  padding: 10px 28px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

.next-btn:hover {
  background: #e0e0e0;
}

/* ── Score screen ── */
.score-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
  max-width: 460px;
  width: 100%;
}

.score-card h2 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 12px;
}

.score-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.emoji-grid {
  font-size: 1.6rem;
  letter-spacing: 4px;
  margin-bottom: 32px;
}

.share-btn {
  background: #fff;
  color: #000;
  border: none;
  border-radius: 999px;
  padding: 12px 32px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
  margin-bottom: 10px;
}

.share-btn:hover {
  background: #e0e0e0;
}

.share-confirm {
  font-size: 0.85rem;
  color: var(--correct);
  margin-bottom: 24px;
}

/* ── Countdown ── */
.countdown-block {
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
}

.countdown-block strong {
  color: var(--text);
  font-size: 1.1rem;
}

/* ── Recap ── */
.recap-section {
  width: 100%;
  max-width: 680px;
  margin-top: 32px;
}

.recap-heading {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 12px;
  text-align: left;
}

.recap-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 10px;
  text-align: left;
}

.recap-item.recap-correct { border-left: 3px solid var(--correct); }
.recap-item.recap-wrong   { border-left: 3px solid var(--wrong); }

.recap-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.recap-emoji { font-size: 0.95rem; }

.recap-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
}

.recap-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.recap-fact-block {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.recap-fact-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.recap-fact-label.real { color: var(--correct); }
.recap-fact-label.fake { color: var(--wrong); }

.recap-real {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}

.recap-fake {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

.recap-explanation {
  font-size: 0.85rem;
  color: #aaa;
  line-height: 1.65;
  margin-bottom: 10px;
}

.recap-source {
  font-size: 0.78rem;
  color: #60a5fa;
  text-decoration: none;
  border-bottom: 1px solid #1d4ed8;
  padding-bottom: 1px;
}

.recap-source:hover { color: #93c5fd; }

/* ── Archive ── */
#archive-section {
  width: 100%;
  max-width: 900px;
  padding: 0 20px 48px;
}

.archive-heading {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.archive-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.archive-empty {
  color: var(--muted);
  font-size: 0.85rem;
  padding: 8px 0;
}

.archive-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #1a1a1a;
  border: 1px solid #242424;
  border-radius: 10px;
  padding: 12px 16px;
}

.archive-meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 120px;
}

.archive-day {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.archive-date {
  font-size: 0.8rem;
  color: var(--muted);
}

.archive-result {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.archive-emojis {
  font-size: 0.85rem;
  letter-spacing: 2px;
}

.archive-fraction {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

.archive-unplayed {
  font-size: 0.8rem;
  color: var(--muted2);
}

.archive-play-btn {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid #2a2a2a;
  border-radius: 6px;
  padding: 4px 12px;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.archive-play-btn:hover {
  color: var(--text);
  border-color: #444;
}

/* ── Footer / Ad ── */
footer {
  width: 100%;
  padding: 0 20px 24px;
  display: flex;
  justify-content: center;
}

.ad-slot {
  width: 100%;
  max-width: 728px;
  min-height: 90px;
  background: #111;
  border: 1px dashed #2a2a2a;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-placeholder {
  font-size: 0.75rem;
  color: #333;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 16px 0 8px;
}

.kofi-btn {
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  background: #ff5e5b;
  border-radius: 999px;
  padding: 7px 18px;
  text-decoration: none;
  transition: opacity 0.15s;
}
.kofi-btn:hover { opacity: 0.85; }

.footer-link {
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
}
.footer-link:hover { color: var(--text); }

/* ── Animations ── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .logo {
    font-size: 1.5rem;
  }

  .cards-row {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: auto;
    padding: 24px 20px 20px;
  }

  .score-card {
    padding: 36px 24px;
  }

  .score-number {
    font-size: 2.8rem;
  }
}