.guardian-layout{width:100%;height:100dvh;overflow-y:auto;justify-content:safe center}.guardian-layout>*{flex-shrink:0}.game-area{height:min(48dvh,384px);min-height:250px}.game-area[data-state=idle]{height:500px}.game-area[data-state=gameover]{height:auto;min-height:400px;overflow:visible}.artifact-image{position:relative;width:100%;height:100%}.artifact-image img{display:block;width:100%;height:100%;-o-object-fit:contain;object-fit:contain}.artifact-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.challenge-controls{width:100%;max-width:56rem;margin-top:16px}.answer-buttons{display:grid;grid-template-columns:1fr 1fr;gap:12px}.answer-button,.retry-button{min-height:56px;padding:14px 8px;border:2px solid;border-radius:8px;touch-action:manipulation;font-size:clamp(12px,3vw,18px)}.answer-fake,.answer-real{background:var(--neon-green);color:var(--background);border-color:var(--neon-green)}.answer-button:disabled{opacity:.5;cursor:default}.answer-button:not(:disabled):hover{filter:brightness(1.15)}.answer-button:focus-visible,.retry-button:focus-visible{outline:3px solid white;outline-offset:3px}@media (max-width:400px){.guardian-layout{padding:12px}.game-area{min-height:280px}}.challenge-timer{display:flex;justify-content:center;align-items:baseline;gap:12px;margin-bottom:12px;color:var(--neon-green);font-size:18px;font-variant-numeric:tabular-nums}.challenge-timer span:first-child{font-size:11px}.challenge-timer span:last-child{min-width:5.5em;text-align:right}.challenge-timer small{font-size:11px;margin-left:4px}.briefing-card{width:100%;max-width:480px;padding:28px 20px;border-radius:8px}.briefing-card h2{font-size:clamp(16px,4vw,22px);line-height:1.6}.briefing-copy{font-family:Arial,sans-serif;font-size:18px;line-height:1.6}.briefing-copy p{margin:18px 0}.briefing-copy .pixel-font{font-size:13px}.lesson-backdrop{position:fixed;inset:0;z-index:120;background:rgba(0,0,0,.88);display:flex;align-items:center;justify-content:center;padding:16px}.lesson-card{position:relative;width:100%;max-width:520px;max-height:calc(100dvh - 32px);overflow-y:auto;border:2px solid var(--neon-green);background:#080d08;padding:26px 22px 20px;color:var(--neon-green);font-family:Arial,sans-serif}.lesson-card h2{font-size:clamp(12px,2.8vw,17px);line-height:1.7;padding-right:30px}.lesson-card>p{margin:12px 0}.lesson-card h3{font-size:13px;letter-spacing:.08em;margin:20px 0 12px}.lesson-x{position:absolute;right:4px;top:4px;min-width:48px;min-height:48px;font-size:32px;line-height:1;color:var(--neon-green)}.lesson-clues{display:grid;grid-template-columns:1fr 1fr;gap:12px;list-style:none;padding:0}.lesson-clues li{border:1px solid #364629;padding:12px;background:#10190c}.lesson-clues strong{display:block;font-size:12px;margin-bottom:6px}.lesson-clues span{display:block;color:#e4eadc;font-size:15px;line-height:1.4}.lesson-card .lesson-note{font-size:13px;line-height:1.5;color:#c1ccb6;margin:16px 0}.lesson-x:focus-visible{outline:2px solid white;outline-offset:-4px}@media(max-width:380px){.lesson-card{padding:20px 14px 14px}.lesson-clues{gap:8px}.lesson-clues li{padding:8px}.lesson-clues span{font-size:14px}}