/**
 * Challenge Styles
 *
 * Covers two distinct challenge systems:
 *   1. Daily Challenge Banner — in-game progress strip (purple/gold)
 *   2. Friend Challenge Mode — leaderboard panel, modal, share URL
 */

/* ===================================================================
 * 1. Daily Challenge Banner
 * =================================================================== */

.daily-challenge {
  margin: 12px;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--purple-glow), var(--gold-glow));
  border: 1px solid var(--purple);
  border-radius: var(--radius);
  text-align: center;
}

.daily-challenge .challenge-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--gold);
  margin-bottom: 4px;
}

.daily-challenge .challenge-desc { font-size: 0.75rem; color: var(--text-dim); }

.daily-challenge .challenge-progress {
  margin-top: 8px;
  height: 4px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.daily-challenge .challenge-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--purple), var(--gold));
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* ===================================================================
 * 2. Friend Challenge Mode
 * =================================================================== */

/* ── Challenge button (in game header) ── */
.challenge-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 11px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--gold);
  background: rgba(255, 213, 79, 0.08);
  border: 1px solid rgba(255, 213, 79, 0.35);
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.2s var(--spring-soft);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.challenge-btn:active {
  transform: scale(0.93);
  transition-duration: 0.06s;
}

.challenge-btn:hover {
  background: rgba(255, 213, 79, 0.16);
  border-color: rgba(255, 213, 79, 0.6);
}

/* ── Leaderboard panel ── */
#challengeLeaderboard {
  margin: 0 12px 8px;
  background: linear-gradient(135deg, rgba(255,213,79,0.05), rgba(79,195,247,0.04));
  border: 1px solid rgba(255, 213, 79, 0.2);
  border-radius: var(--radius);
  overflow: hidden;
  animation: challengeIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes challengeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.challenge-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px 7px;
  border-bottom: 1px solid rgba(255, 213, 79, 0.12);
}

.challenge-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.challenge-matchup {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-right: auto;
}

.challenge-share-btn {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(79, 195, 247, 0.08);
  border: 1px solid rgba(79, 195, 247, 0.25);
  border-radius: 12px;
  padding: 3px 10px;
  cursor: pointer;
  transition: background 0.15s;
}

.challenge-share-btn:hover {
  background: rgba(79, 195, 247, 0.16);
}

.challenge-rows {
  display: flex;
  flex-direction: column;
}

.challenge-row {
  display: grid;
  grid-template-columns: 28px 1fr auto auto;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  font-size: 0.82rem;
  transition: background 0.15s;
}

.challenge-row + .challenge-row {
  border-top: 1px solid rgba(255,255,255,0.04);
}

.challenge-row--me {
  background: rgba(255, 213, 79, 0.05);
}

.challenge-medal {
  font-size: 0.85rem;
  text-align: center;
}

.challenge-name {
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.challenge-you {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--gold);
  background: rgba(255,213,79,0.12);
  border-radius: 8px;
  padding: 2px 6px;
  margin-left: 4px;
  vertical-align: middle;
}

.challenge-record {
  font-size: 0.7rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.challenge-pts {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  text-align: right;
}

.challenge-row--me .challenge-pts {
  color: var(--gold);
}

/* ── Challenge modal overlay ── */
.challenge-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.70);
  z-index: 380;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.challenge-modal.open {
  display: flex;
}

.challenge-modal-box {
  position: relative;
  background: var(--surface-bright);
  border: 1px solid rgba(255, 213, 79, 0.3);
  border-radius: 18px;
  padding: 28px 24px 24px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6), 0 0 60px rgba(255,213,79,0.06);
  animation: modalPop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.88); }
  to   { opacity: 1; transform: scale(1); }
}

.challenge-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.1rem;
  cursor: pointer;
  line-height: 1;
  padding: 8px 10px;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.challenge-modal-close:hover {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.challenge-modal-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 8px;
}

.challenge-modal-desc {
  font-size: 0.83rem;
  color: var(--text-dim);
  line-height: 1.55;
  margin-bottom: 16px;
}

.challenge-name-input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  font-family: 'Inter', system-ui, sans-serif;
  padding: 10px 12px;
  margin-bottom: 12px;
  outline: none;
  transition: border-color 0.15s;
}

.challenge-name-input:focus {
  border-color: var(--gold);
}

.challenge-create-btn {
  width: 100%;
  background: linear-gradient(135deg, rgba(255,213,79,0.15), rgba(255,152,0,0.1));
  border: 1px solid rgba(255, 213, 79, 0.45);
  border-radius: var(--radius-sm);
  color: var(--gold);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 11px 16px;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s, transform 0.2s var(--spring-soft);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.challenge-create-btn:not(:disabled):active {
  transform: scale(0.97);
  transition-duration: 0.06s;
}

.challenge-create-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(255,213,79,0.22), rgba(255,152,0,0.15));
}

.challenge-create-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.challenge-modal-status {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 10px;
  min-height: 18px;
  text-align: center;
}

/* Share URL row */
.challenge-url-wrap {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.challenge-url-input {
  flex: 1;
  min-width: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 0.78rem;
  font-family: monospace;
  padding: 9px 10px;
  outline: none;
  cursor: pointer;
}

.challenge-copy-btn {
  flex-shrink: 0;
  background: rgba(79,195,247,0.1);
  border: 1px solid rgba(79,195,247,0.35);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 9px 14px;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.challenge-copy-btn:hover,
.challenge-copy-btn.copied {
  background: rgba(79,195,247,0.18);
}

.challenge-copy-btn.copied {
  color: var(--green);
  border-color: rgba(102,187,106,0.45);
}

.challenge-modal-hint {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: center;
}

/* ===================================================================
 * 3. Compact Daily Challenge Chip (HUD bar, mobile only)
 * =================================================================== */

.daily-chip {
  display: none; /* hidden on desktop — shown via media query */
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
  white-space: nowrap;
  cursor: pointer;
  background: linear-gradient(135deg, var(--purple-glow), var(--gold-glow));
  color: var(--gold);
  border: 1px solid var(--purple);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: transform 0.2s var(--spring-soft);
}

.daily-chip:active {
  transform: scale(0.93);
  transition-duration: 0.06s;
}

.daily-chip--done {
  background: var(--green-glow);
  color: var(--green);
  border-color: rgba(102, 187, 106, 0.3);
  opacity: 0.85;
}

/* Mobile adjustments */
@media (max-width: 600px) {
  /* Hide the full daily challenge banner on mobile */
  #dailyChallenge { display: none !important; }

  /* Show the compact chip in the HUD bar alongside the streak badge */
  .daily-chip { display: inline-flex; }
  #streakBadge { font-size: 0.72rem; padding: 2px 8px; }

  .challenge-btn {
    padding: 4px 9px;
    font-size: 0.72rem;
  }

  .challenge-modal-box {
    padding: 22px 18px 20px;
  }

  .challenge-url-wrap {
    flex-direction: column;
  }

  .challenge-copy-btn {
    width: 100%;
    text-align: center;
  }
}