/* ════════════════════════════════════════════════════════════════
   DINOSAUR EXPLORER — v1.0
   Prehistoric jungle theme — green & amber
   ════════════════════════════════════════════════════════════════ */

#dx-wrap, #dx-wrap * { box-sizing: border-box; }

#dx-wrap {
  --bg-deep:     #0f1f0d;
  --bg-mid:      #1a3318;
  --bg-light:    #2d4a28;
  --accent-amber: #d4a017;
  --accent-leaf:  #6ba83a;
  --accent-moss:  #4a7c3a;
  --accent-rust:  #c1622e;
  --accent-bone:  #e8dcc0;
  --text-bright: #f0ead6;
  --text-soft:   #c8d8b8;
  --text-mute:   #7a9468;
  --card-bg:     rgba(255,255,255,0.06);
  --card-bg-2:   rgba(255,255,255,0.10);
  --card-border: rgba(212,160,23,0.25);

  font-family: 'Nunito', 'Quicksand', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text-bright);
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: 0 20px 80px rgba(60,100,30,0.25);
}

/* ═══ JUNGLE BACKGROUND ═══════════════════════════════════════ */
.dx-jungle-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 15% 5%, rgba(107,168,58,0.22) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 85% 25%, rgba(212,160,23,0.15) 0%, transparent 65%),
    radial-gradient(ellipse 80% 50% at 50% 95%, rgba(74,124,58,0.25) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 90% 85%, rgba(193,98,46,0.12) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 50%, var(--bg-deep) 100%);
}

.dx-leaves {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
  opacity: 0.5;
}
.dx-leaf {
  position: absolute;
  font-size: 1.4rem;
  animation: dx-leaf-fall linear infinite;
  opacity: 0.4;
}
@keyframes dx-leaf-fall {
  from { transform: translateY(-30px) rotate(0deg); }
  to   { transform: translateY(720px) rotate(360deg); }
}

/* ═══ SCREENS ═════════════════════════════════════════════════ */
.dx-screen { display: none; position: relative; z-index: 1; padding: 24px; }
.dx-screen.active { display: flex; flex-direction: column; gap: 16px; }

/* ════════════════════════════════════════════════════════════════
   WELCOME SCREEN
   ════════════════════════════════════════════════════════════════ */
#dx-screen-welcome.active { align-items: center; justify-content: center; }
.dx-welcome-inner {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 22px;
  text-align: center; padding: 30px 0;
}

.dx-welcome-fossil {
  position: relative;
  width: 140px; height: 140px;
  margin-bottom: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem;
  animation: dx-stomp 2.5s ease-in-out infinite;
  filter: drop-shadow(0 0 40px rgba(212,160,23,0.5));
}
@keyframes dx-stomp {
  0%,100% { transform: scale(1) rotate(-3deg); }
  50%      { transform: scale(1.08) rotate(3deg); }
}

.dx-welcome-title {
  font-size: 2.6rem; font-weight: 900;
  line-height: 1; letter-spacing: -1.5px;
  display: flex; flex-direction: column; gap: 4px;
}
.dx-welcome-title span:first-child { color: var(--text-bright); }
.dx-gradient {
  background: linear-gradient(135deg, var(--accent-leaf) 0%, var(--accent-amber) 50%, var(--accent-rust) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  filter: drop-shadow(0 0 30px rgba(212,160,23,0.5));
}

.dx-welcome-sub {
  font-size: 1rem; color: var(--text-soft);
  max-width: 360px; line-height: 1.5;
}

#dx-player-name {
  background: var(--card-bg-2);
  border: 2px solid var(--card-border);
  color: var(--text-bright);
  border-radius: 16px; padding: 14px 22px;
  font-size: 1rem; width: 280px; max-width: 90%;
  text-align: center; outline: none; font-weight: 700;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
#dx-player-name::placeholder { color: var(--text-mute); font-weight: 500; }
#dx-player-name:focus {
  border-color: var(--accent-leaf);
  background: rgba(107,168,58,0.08);
  transform: scale(1.02);
}

/* ═══ BUTTONS ═════════════════════════════════════════════════ */
.dx-btn {
  cursor: pointer; border: none;
  font-family: inherit; font-weight: 800;
  letter-spacing: 0.5px;
  transition: transform 0.12s, box-shadow 0.15s, background 0.15s;
}
.dx-btn:active { transform: scale(0.96); }

.dx-btn-hero {
  background: linear-gradient(135deg, #6ba83a 0%, #d4a017 100%);
  color: #0f1f0d;
  font-size: 0.95rem;
  padding: 16px 36px;
  border-radius: 999px;
  box-shadow: 0 10px 40px rgba(107,168,58,0.4), inset 0 -3px 0 rgba(0,0,0,0.2);
  text-transform: uppercase;
}
.dx-btn-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 50px rgba(107,168,58,0.55), inset 0 -3px 0 rgba(0,0,0,0.2);
}

.dx-btn-primary {
  background: linear-gradient(135deg, var(--accent-amber) 0%, var(--accent-rust) 100%);
  color: #0f1f0d;
  font-size: 0.92rem;
  padding: 13px 28px;
  border-radius: 14px;
  box-shadow: 0 6px 24px rgba(212,160,23,0.35), inset 0 -3px 0 rgba(0,0,0,0.15);
}
.dx-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(212,160,23,0.5), inset 0 -3px 0 rgba(0,0,0,0.15);
}

.dx-btn-ghost {
  background: var(--card-bg-2);
  border: 2px solid var(--card-border);
  color: var(--text-soft);
  font-size: 0.85rem;
  padding: 11px 22px;
  border-radius: 12px;
}
.dx-btn-ghost:hover {
  background: rgba(212,160,23,0.12);
  border-color: var(--accent-amber);
  color: var(--text-bright);
}

.dx-btn-sm { font-size: 0.78rem; padding: 9px 16px; border-radius: 10px; letter-spacing: 0.8px; }

.dx-btn-continue {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 16px;
  font-size: 1rem;
  border-radius: 16px;
}
.dx-continue-arrow {
  display: inline-block;
  background: rgba(0,0,0,0.2);
  width: 26px; height: 26px;
  border-radius: 50%;
  font-size: 0.7rem;
  line-height: 26px; text-align: center;
}

/* ════════════════════════════════════════════════════════════════
   HUD (TOP BAR)
   ════════════════════════════════════════════════════════════════ */
.dx-hud {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 4px;
}
.dx-hud-player { display: flex; align-items: center; gap: 10px; }
.dx-avatar {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--accent-leaf), var(--accent-amber));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 16px rgba(107,168,58,0.3);
}
.dx-hud-info { display: flex; flex-direction: column; gap: 1px; }
.dx-hud-name { font-size: 0.95rem; font-weight: 800; color: var(--text-bright); }
.dx-hud-rank { font-size: 0.72rem; color: var(--accent-amber); font-weight: 700; letter-spacing: 0.3px; }

.dx-hud-stats { display: flex; align-items: center; gap: 8px; }

.dx-xp-pill {
  display: inline-flex; align-items: center; gap: 5px;
  background: linear-gradient(135deg, rgba(212,160,23,0.18), rgba(212,160,23,0.12));
  border: 1.5px solid rgba(212,160,23,0.35);
  color: var(--accent-amber);
  font-weight: 800; font-size: 0.85rem;
  padding: 7px 14px;
  border-radius: 999px;
}
.dx-xp-star { font-size: 0.9rem; }

.dx-icon-btn {
  background: var(--card-bg-2);
  border: 1.5px solid var(--card-border);
  color: var(--text-bright);
  width: 38px; height: 38px;
  border-radius: 12px;
  font-size: 1.05rem;
  font-family: "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji","Segoe UI Symbol",sans-serif !important;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, transform 0.1s;
}
.dx-icon-btn:hover { background: rgba(212,160,23,0.18); transform: scale(1.05); }

.dx-icon-btn-lb::after    { content: "\1F3C6"; font-family: "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji","Segoe UI Symbol",sans-serif; }
.dx-icon-btn-reset::after { content: "\1F6AA"; font-family: "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji","Segoe UI Symbol",sans-serif; }

/* ════════════════════════════════════════════════════════════════
   JOURNEY HEADER + RANK BAR
   ════════════════════════════════════════════════════════════════ */
.dx-journey-header { text-align: center; padding: 4px 0; }
.dx-journey-title { font-size: 1.4rem; font-weight: 900; letter-spacing: -0.5px; margin-bottom: 4px; }
.dx-journey-sub   { font-size: 0.82rem; color: var(--text-mute); }

.dx-rank-track {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  height: 22px;
  padding: 0 2px;
  display: flex; align-items: center;
  margin-bottom: 4px;
}
.dx-rank-fill {
  position: absolute; left: 2px; top: 2px; bottom: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-rust) 0%, var(--accent-amber) 50%, var(--accent-leaf) 100%);
  border-radius: 999px;
  transition: width 0.6s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 12px rgba(212,160,23,0.5);
}
.dx-rank-labels {
  position: relative; z-index: 1;
  width: 100%;
  display: flex; justify-content: space-between;
  padding: 0 10px;
  font-size: 0.55rem; font-weight: 800;
  color: var(--text-bright);
  letter-spacing: 0.3px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}

/* ════════════════════════════════════════════════════════════════
   DINO PATH (the journey itself)
   ════════════════════════════════════════════════════════════════ */
.dx-path {
  position: relative;
  display: flex; flex-direction: column; gap: 0;
  padding: 12px 0;
  flex: 1;
}
.dx-path-row {
  display: flex; align-items: center;
  gap: 14px;
  padding: 6px 0;
  position: relative;
}
.dx-path-row.dx-align-right { flex-direction: row-reverse; }

.dx-path-row::before {
  content: '';
  position: absolute;
  left: 50%; top: -8px;
  width: 2px; height: 14px;
  background-image: linear-gradient(to bottom, rgba(212,160,23,0.4) 50%, transparent 50%);
  background-size: 2px 6px;
  transform: translateX(-50%);
}
.dx-path-row:first-child::before { display: none; }

.dx-path-dino {
  position: relative;
  width: 70px; height: 70px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s;
  background: linear-gradient(135deg, rgba(107,168,58,0.15), rgba(212,160,23,0.1));
  font-size: 2.2rem;
}
.dx-path-dino:hover { transform: scale(1.08); }

.dx-path-dino::before {
  content: '';
  position: absolute; inset: -3px;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: border-color 0.3s;
}

.dx-path-dino.dx-locked { cursor: not-allowed; filter: grayscale(80%) brightness(0.4); }
.dx-path-dino.dx-locked::after {
  content: '🔒';
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  text-shadow: 0 2px 6px rgba(0,0,0,0.7);
  background: rgba(15,31,13,0.6);
  border-radius: 50%;
}

.dx-path-dino.dx-completed::before { border-color: var(--accent-leaf); box-shadow: 0 0 20px rgba(107,168,58,0.5); }
.dx-path-dino.dx-completed::after {
  content: '✓';
  position: absolute; right: -4px; bottom: -4px;
  width: 24px; height: 24px;
  background: var(--accent-leaf);
  color: var(--bg-deep);
  border-radius: 50%;
  font-size: 0.85rem; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(107,168,58,0.6);
}

.dx-path-dino.dx-current::before {
  border-color: var(--accent-amber);
  box-shadow: 0 0 30px rgba(212,160,23,0.7);
  animation: dx-current-pulse 2s ease-in-out infinite;
}
@keyframes dx-current-pulse {
  0%,100% { box-shadow: 0 0 20px rgba(212,160,23,0.5); }
  50%     { box-shadow: 0 0 40px rgba(212,160,23,0.9); }
}

.dx-path-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.dx-path-name { font-size: 1rem; font-weight: 800; color: var(--text-bright); letter-spacing: -0.2px; }
.dx-path-dino.dx-locked + .dx-path-info .dx-path-name { color: var(--text-mute); }
.dx-path-meta { font-size: 0.72rem; color: var(--text-mute); display: flex; align-items: center; gap: 6px; }
.dx-path-row.dx-align-right .dx-path-info { text-align: right; }
.dx-path-stars { display: inline-flex; gap: 1px; font-size: 0.7rem; }

/* ════════════════════════════════════════════════════════════════
   DAILY CHALLENGE CARD
   ════════════════════════════════════════════════════════════════ */
.dx-daily-card {
  display: flex; align-items: center; gap: 14px;
  background: linear-gradient(135deg, rgba(193,98,46,0.12), rgba(212,160,23,0.12));
  border: 1.5px solid rgba(193,98,46,0.3);
  border-radius: 16px;
  padding: 14px 16px;
}
.dx-daily-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent-rust), var(--accent-amber));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 14px rgba(193,98,46,0.4);
}
.dx-daily-body { flex: 1; }
.dx-daily-title { font-size: 0.95rem; font-weight: 800; color: var(--text-bright); }
.dx-daily-sub { font-size: 0.74rem; color: var(--text-soft); margin-top: 1px; }

/* ════════════════════════════════════════════════════════════════
   DINO HUB
   ════════════════════════════════════════════════════════════════ */
.dx-hub-header { display: flex; align-items: center; justify-content: space-between; padding-bottom: 8px; }
.dx-back-btn {
  background: var(--card-bg-2);
  border: 1.5px solid var(--card-border);
  color: var(--text-soft);
  border-radius: 10px;
  padding: 7px 13px;
  font-size: 0.8rem; font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, color 0.15s;
}
.dx-back-btn:hover { background: rgba(212,160,23,0.18); color: var(--text-bright); }

.dx-hub-dino-wrap {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  height: 200px;
  margin: 8px 0;
}
.dx-hub-dino {
  width: 160px; height: 160px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(107,168,58,0.18), rgba(212,160,23,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 6rem;
  animation: dx-dino-sway 4s ease-in-out infinite;
  box-shadow: 0 0 50px rgba(107,168,58,0.3), inset -20px -20px 50px rgba(0,0,0,0.25), inset 15px 15px 30px rgba(255,255,255,0.08);
}
@keyframes dx-dino-sway {
  0%,100% { transform: rotate(-4deg); }
  50%      { transform: rotate(4deg); }
}

.dx-hub-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; padding: 0 4px; }
.dx-stat { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; padding: 10px 8px; text-align: center; }
.dx-stat-label { font-size: 0.62rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.8px; font-weight: 800; }
.dx-stat-val   { font-size: 0.95rem; font-weight: 900; color: var(--text-bright); margin-top: 4px; }

.dx-hub-modes { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.dx-hub-mode {
  display: flex; align-items: center; gap: 14px;
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 16px;
  padding: 14px 16px;
  cursor: pointer;
  font-family: inherit;
  color: var(--text-bright);
  text-align: left;
  transition: background 0.18s, border-color 0.18s, transform 0.12s;
  position: relative;
}
.dx-hub-mode:hover { background: rgba(212,160,23,0.12); border-color: var(--accent-amber); transform: translateX(4px); }
.dx-hub-mode-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}
.dx-hub-mode[data-mode="learn"]     .dx-hub-mode-icon { background: linear-gradient(135deg, #6ba83a, #4a7c3a); box-shadow: 0 4px 14px rgba(107,168,58,0.3); }
.dx-hub-mode[data-mode="quiz"]      .dx-hub-mode-icon { background: linear-gradient(135deg, #d4a017, #c1622e); box-shadow: 0 4px 14px rgba(212,160,23,0.3); }
.dx-hub-mode[data-mode="challenge"] .dx-hub-mode-icon { background: linear-gradient(135deg, #c1622e, #8a3a1a); box-shadow: 0 4px 14px rgba(193,98,46,0.3); }

.dx-hub-mode-text { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.dx-hub-mode-title { font-size: 0.95rem; font-weight: 900; letter-spacing: 0.5px; }
.dx-hub-mode-sub { font-size: 0.74rem; color: var(--text-mute); font-weight: 600; }
.dx-hub-mode-stars { font-size: 0.85rem; letter-spacing: 1px; }

/* ════════════════════════════════════════════════════════════════
   LEARN SCREEN
   ════════════════════════════════════════════════════════════════ */
.dx-learn-body { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 8px 4px; flex: 1; }
.dx-learn-dino {
  width: 120px; height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(107,168,58,0.18), rgba(212,160,23,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 4.5rem;
  animation: dx-dino-sway 3.5s ease-in-out infinite;
}
.dx-learn-name {
  font-size: 1.8rem; font-weight: 900;
  background: linear-gradient(135deg, var(--accent-leaf), var(--accent-amber));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  letter-spacing: -0.5px;
}
.dx-learn-facts { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.dx-learn-fact {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 14px;
  padding: 12px 16px;
  display: flex; align-items: flex-start; gap: 12px;
  animation: dx-slide-in 0.4s cubic-bezier(.34,1.56,.64,1) backwards;
}
.dx-learn-fact:nth-child(1) { animation-delay: 0.0s; }
.dx-learn-fact:nth-child(2) { animation-delay: 0.1s; }
.dx-learn-fact:nth-child(3) { animation-delay: 0.2s; }
.dx-learn-fact:nth-child(4) { animation-delay: 0.3s; }
@keyframes dx-slide-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.dx-learn-fact-icon { font-size: 1.3rem; flex-shrink: 0; }
.dx-learn-fact-text { font-size: 0.88rem; color: var(--text-soft); line-height: 1.5; }

/* ════════════════════════════════════════════════════════════════
   QUIZ SCREEN
   ════════════════════════════════════════════════════════════════ */
.dx-quiz-progress-wrap { display: flex; flex-direction: column; gap: 6px; }
.dx-q-counter { font-size: 0.72rem; font-weight: 800; color: var(--accent-amber); text-transform: uppercase; letter-spacing: 1.2px; }
.dx-q-bar { height: 8px; background: var(--card-bg); border-radius: 999px; overflow: hidden; }
.dx-q-bar > div {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent-leaf), var(--accent-amber));
  border-radius: 999px;
  transition: width 0.45s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 10px rgba(212,160,23,0.5);
}

.dx-quiz-body { display: flex; flex-direction: column; align-items: center; gap: 18px; flex: 1; padding: 4px 0; }
.dx-quiz-dino-display {
  width: 110px; height: 110px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(107,168,58,0.18), rgba(212,160,23,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
  animation: dx-dino-sway 3s ease-in-out infinite;
}
.dx-quiz-question {
  font-size: 1.1rem; font-weight: 800;
  text-align: center; color: var(--text-bright);
  line-height: 1.4; padding: 0 8px;
  letter-spacing: -0.2px;
}
.dx-quiz-options { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.dx-opt {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  color: var(--text-bright);
  border-radius: 14px;
  padding: 14px 18px;
  font-family: inherit;
  font-size: 0.92rem; font-weight: 700;
  cursor: pointer;
  text-align: left;
  display: flex; align-items: center; gap: 12px;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.dx-opt:hover:not(:disabled) {
  background: rgba(212,160,23,0.12);
  border-color: var(--accent-amber);
  transform: translateY(-2px);
}
.dx-opt:disabled { cursor: default; }
.dx-opt-letter {
  width: 28px; height: 28px;
  background: rgba(212,160,23,0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 900;
  color: var(--accent-amber);
  flex-shrink: 0;
}
.dx-opt-correct {
  background: rgba(107,168,58,0.18) !important;
  border-color: var(--accent-leaf) !important;
  color: #d4f0c0 !important;
}
.dx-opt-correct .dx-opt-letter { background: var(--accent-leaf); color: var(--bg-deep); }
.dx-opt-wrong {
  background: rgba(193,98,46,0.18) !important;
  border-color: var(--accent-rust) !important;
  color: #f0c8b0 !important;
  animation: dx-shake 0.4s ease;
}
.dx-opt-wrong .dx-opt-letter { background: var(--accent-rust); color: var(--bg-deep); }
@keyframes dx-shake {
  0%,100% { transform: translateX(0); }
  25%     { transform: translateX(-8px); }
  75%     { transform: translateX(8px); }
}

.dx-quiz-feedback {
  padding: 10px 18px; border-radius: 12px;
  font-weight: 800; font-size: 0.9rem; text-align: center;
  animation: dx-pop 0.25s ease;
}
.dx-quiz-feedback.hidden { display: none; }
.dx-fb-good { background: rgba(107,168,58,0.15); color: #d4f0c0; border: 1.5px solid rgba(107,168,58,0.4); }
.dx-fb-bad  { background: rgba(193,98,46,0.15); color: #f0c8b0; border: 1.5px solid rgba(193,98,46,0.4); }
@keyframes dx-pop { from { transform: scale(0.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ════════════════════════════════════════════════════════════════
   RESULTS SCREEN
   ════════════════════════════════════════════════════════════════ */
#dx-screen-results.active { align-items: center; justify-content: center; }
.dx-results-card {
  background: linear-gradient(135deg, rgba(212,160,23,0.15), rgba(107,168,58,0.1));
  border: 2px solid var(--card-border);
  border-radius: 24px;
  padding: 36px 28px;
  max-width: 420px; width: 100%;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  animation: dx-pop 0.4s cubic-bezier(.34,1.56,.64,1);
  position: relative;
}
.dx-results-burst { position: relative; width: 100px; height: 100px; display: flex; align-items: center; justify-content: center; }
.dx-results-burst::before {
  content: '';
  position: absolute; inset: 0;
  background: conic-gradient(from 0deg, var(--accent-leaf), var(--accent-amber), var(--accent-rust), var(--accent-leaf));
  border-radius: 50%;
  filter: blur(20px); opacity: 0.5;
  animation: dx-spin-slow 8s linear infinite;
}
@keyframes dx-spin-slow { to { transform: rotate(360deg); } }
.dx-burst-emoji { position: relative; z-index: 1; font-size: 4rem; filter: drop-shadow(0 0 20px rgba(212,160,23,0.5)); }
.dx-results-title { font-size: 1.8rem; font-weight: 900; letter-spacing: -0.5px; }
.dx-results-stars { font-size: 2rem; letter-spacing: 6px; }
.dx-results-xp {
  font-size: 1.6rem; font-weight: 900;
  color: var(--accent-amber);
  background: rgba(212,160,23,0.15);
  border: 2px solid rgba(212,160,23,0.4);
  border-radius: 999px;
  padding: 8px 24px;
}
.dx-results-summary { font-size: 0.88rem; color: var(--text-soft); line-height: 1.5; padding: 0 8px; }
.dx-results-btns { display: flex; gap: 12px; margin-top: 6px; flex-wrap: wrap; justify-content: center; }

/* ════════════════════════════════════════════════════════════════
   LEADERBOARD
   ════════════════════════════════════════════════════════════════ */
.dx-lb-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 8px;
  max-height: 520px; overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(212,160,23,0.4) transparent;
}
.dx-lb-row {
  display: flex; align-items: center; gap: 14px;
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 14px;
  padding: 12px 16px;
}
.dx-lb-row:first-child  { background: linear-gradient(135deg, rgba(212,160,23,0.18), rgba(212,160,23,0.08)); border-color: rgba(212,160,23,0.5); }
.dx-lb-row:nth-child(2) { background: linear-gradient(135deg, rgba(200,210,190,0.15), rgba(107,168,58,0.08)); border-color: rgba(200,210,190,0.4); }
.dx-lb-row:nth-child(3) { background: linear-gradient(135deg, rgba(193,98,46,0.18), rgba(193,98,46,0.08)); border-color: rgba(193,98,46,0.4); }
.dx-lb-rank { font-size: 1.3rem; min-width: 32px; text-align: center; font-weight: 900; }
.dx-lb-name { flex: 1; font-weight: 800; font-size: 0.95rem; color: var(--text-bright); }
.dx-lb-xp { color: var(--accent-amber); font-weight: 900; font-size: 0.9rem; }
.dx-lb-loading { color: var(--text-mute); text-align: center; padding: 30px; font-size: 0.88rem; }

/* ════════════════════════════════════════════════════════════════
   OVERLAYS (UNLOCK / RANK UP)
   ════════════════════════════════════════════════════════════════ */
.dx-overlay {
  position: absolute; inset: 0; z-index: 100;
  background: rgba(15,31,13,0.92);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.dx-overlay.hidden { display: none; }

.dx-unlock-card, .dx-rank-card {
  background: linear-gradient(135deg, rgba(212,160,23,0.2), rgba(107,168,58,0.1));
  border: 2px solid var(--accent-amber);
  border-radius: 24px;
  padding: 36px 28px;
  max-width: 380px; width: 100%;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  animation: dx-pop 0.4s cubic-bezier(.34,1.56,.64,1);
  position: relative; overflow: hidden;
}

.dx-unlock-burst, .dx-rank-burst {
  position: absolute; inset: -50%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(212,160,23,0.3) 20deg, transparent 40deg, rgba(107,168,58,0.3) 90deg, transparent 110deg, rgba(193,98,46,0.3) 180deg, transparent 200deg);
  animation: dx-spin-slow 6s linear infinite;
  pointer-events: none;
  z-index: 0;
}

.dx-unlock-dino, .dx-rank-badge { position: relative; z-index: 1; filter: drop-shadow(0 0 30px rgba(212,160,23,0.6)); }
.dx-unlock-dino { font-size: 5rem; }
.dx-rank-badge { font-size: 4rem; }

.dx-unlock-title, .dx-rank-title {
  position: relative; z-index: 1;
  font-size: 1.6rem; font-weight: 900;
  background: linear-gradient(135deg, var(--accent-amber), var(--accent-rust));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  letter-spacing: -0.5px;
}
.dx-unlock-name, .dx-rank-name { position: relative; z-index: 1; font-size: 1.4rem; font-weight: 800; color: var(--text-bright); }
.dx-unlock-card .dx-btn, .dx-rank-card .dx-btn { position: relative; z-index: 1; }

/* ════════════════════════════════════════════════════════════════
   CONFETTI
   ════════════════════════════════════════════════════════════════ */
.dx-confetti { position: absolute; inset: 0; pointer-events: none; z-index: 200; overflow: hidden; }
.dx-confetti-piece { position: absolute; width: 10px; height: 14px; top: -20px; animation: dx-confetti-fall linear forwards; }
@keyframes dx-confetti-fall { to { transform: translateY(720px) rotate(720deg); opacity: 0; } }

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════════════ */
@media (max-width: 500px) {
  #dx-wrap { border-radius: 0; min-height: 100vh; }
  .dx-screen { padding: 16px; min-height: 100vh; }
  .dx-welcome-title { font-size: 2rem; }
  .dx-welcome-fossil { width: 110px; height: 110px; font-size: 4rem; }
  #dx-player-name { width: 100%; }
  .dx-rank-labels { font-size: 0.48rem; padding: 0 6px; }
  .dx-path-dino { width: 60px; height: 60px; font-size: 1.8rem; }
  .dx-path-name { font-size: 0.9rem; }
  .dx-hub-dino-wrap { height: 170px; }
  .dx-hub-dino { width: 130px; height: 130px; font-size: 5rem; }
  .dx-results-card { padding: 28px 20px; }
  .dx-results-title { font-size: 1.5rem; }
}