.challenge-section { background: var(--navy); position: relative; z-index: 1; border-top: 1px solid var(--border); }
.challenge-inner { max-width: 1200px; margin: 0 auto; padding: 76px 40px; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 42px; align-items: center; }
.challenge-panel { border: 1px solid rgba(0,201,106,0.24); background: linear-gradient(180deg, rgba(0,201,106,0.08), rgba(255,255,255,0.025)); border-radius: 14px; padding: 20px; }
.challenge-mode-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.challenge-mode-card { min-height: 92px; border: 1px solid var(--border); background: rgba(255,255,255,0.035); color: var(--text); border-radius: 10px; padding: 14px; cursor: pointer; text-align: left; font-family: 'DM Sans', sans-serif; transition: border-color 0.2s, background 0.2s, transform 0.15s; }
.challenge-mode-card span { display: block; font-family: 'Bebas Neue', sans-serif; font-size: 1.35rem; letter-spacing: 1px; margin-bottom: 5px; }
.challenge-mode-card strong { color: var(--muted); font-size: 0.82rem; }
.challenge-mode-card.active, .challenge-mode-card:hover { border-color: var(--accent); background: rgba(0,201,106,0.08); transform: translateY(-1px); }
.challenge-create-main, .challenge-primary, .challenge-secondary, .challenge-share-btn { border-radius: 9px; font-family: 'DM Sans', sans-serif; font-weight: 800; cursor: pointer; }
.challenge-create-main, .challenge-primary { width: 100%; background: var(--accent); color: var(--navy); border: none; padding: 13px 16px; }
.challenge-secondary, .challenge-share-btn { background: rgba(255,255,255,0.055); color: var(--text); border: 1px solid var(--border); padding: 11px 13px; }
.challenge-share-hint { margin-top: 10px; color: var(--muted); font-size: 0.78rem; text-align: center; }
.challenge-modal { display: none; position: fixed; inset: 0; z-index: 99998; background: rgba(0,0,0,0.82); align-items: center; justify-content: center; padding: 18px; }
.challenge-modal.open { display: flex; }
.challenge-modal-card { width: min(760px, 100%); max-height: 92vh; overflow: auto; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 22px; position: relative; box-shadow: 0 24px 80px rgba(0,0,0,0.58); }
.challenge-close { position: absolute; top: 12px; right: 12px; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer; }
.challenge-title { font-family: 'Bebas Neue', sans-serif; font-size: 2.1rem; letter-spacing: 1px; line-height: 1; margin-bottom: 6px; }
.challenge-sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 18px; }
.challenge-lobby-grid, .challenge-results-list { display: grid; gap: 8px; margin: 14px 0; }
.challenge-player, .challenge-result-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; border: 1px solid var(--border); border-radius: 9px; background: rgba(255,255,255,0.035); padding: 10px 12px; color: var(--text); }
.challenge-invite-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin: 12px 0; }
.challenge-link-box { background: rgba(0,0,0,0.22); border: 1px solid var(--border); border-radius: 9px; color: var(--muted); padding: 10px 12px; font-size: 0.78rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.challenge-game-top { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 0.86rem; margin-bottom: 14px; }
.challenge-question { border: 1px solid var(--border); border-radius: 12px; padding: 16px; background: rgba(255,255,255,0.035); margin-bottom: 12px; }
.challenge-options { display: grid; gap: 8px; margin-bottom: 14px; }
.challenge-option { border: 1px solid var(--border); border-radius: 9px; padding: 11px 13px; background: rgba(255,255,255,0.03); color: var(--text); text-align: left; cursor: pointer; }
.challenge-option.selected { border-color: var(--accent); background: rgba(0,201,106,0.09); }
.challenge-actions { display: flex; gap: 8px; flex-wrap: wrap; }
#wr-challenge-strip { margin: 10px 10px 0; border: 1px solid rgba(0,201,106,0.28); border-left: 3px solid var(--accent); border-radius: 10px; padding: 9px 10px; display: flex; justify-content: space-between; align-items: center; gap: 8px; background: rgba(0,201,106,0.06); }
#wr-challenge-strip b { display:block; color: var(--text); font-size: 0.78rem; }
#wr-challenge-strip span { display:block; color: var(--muted); font-size: 0.68rem; line-height: 1.35; }
#wr-challenge-strip button { background: var(--accent); color: var(--navy); border: none; border-radius: 7px; padding: 7px 10px; font-size: 0.7rem; font-weight: 800; cursor: pointer; white-space: nowrap; }
.wr-challenge-card { border-color: rgba(0,201,106,0.28); background: rgba(0,201,106,0.07); }
.wr-challenge-join { margin-top: 8px; background: var(--accent); color: var(--navy); border: none; border-radius: 7px; padding: 6px 10px; font-weight: 800; cursor: pointer; }
@media (max-width: 760px) { .challenge-inner { grid-template-columns: 1fr; padding: 58px 22px; } .challenge-mode-row, .challenge-invite-row { grid-template-columns: 1fr; } }