:root{--font-kids: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "NanumBarunGothic", sans-serif;--green-main: #22c55e;--green-dark: #15803d;--yellow-main: #facc15;--yellow-dark: #ca8a04;--orange-main: #fb923c;--blue-main: #38bdf8;--card-bg: rgba(255, 255, 255, .94);--pill-bg: rgba(17, 24, 39, .68)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}html,body,#app{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background-color:#0f172a;font-family:var(--font-kids);color:#111827;touch-action:none}.ar-viewport{position:relative;width:100%;height:100%;overflow:hidden}.camera-video,.classroom-canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;pointer-events:none}.classroom-canvas{display:none}.webgl-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:2;cursor:grab;touch-action:none}.webgl-canvas:active{cursor:grabbing}.top-bar{position:absolute;top:max(12px,env(safe-area-inset-top));left:12px;right:12px;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:8px;pointer-events:none}.top-bar>*{pointer-events:auto}.top-right-group{display:flex;align-items:center;gap:8px}.kid-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:3px solid #ffffff;border-radius:999px;padding:10px 16px;font-family:var(--font-kids);font-size:1rem;font-weight:800;color:#111827;background:#fff;box-shadow:0 5px #00000038,0 8px 18px #00000040;cursor:pointer;transition:transform .1s ease,box-shadow .1s ease,background-color .15s ease}.kid-btn:active{transform:translateY(3px) scale(.97);box-shadow:0 2px #00000038}.kid-btn-dino{background:#fef08a;border-color:#fff;padding:10px 18px;font-size:1.05rem}.kid-btn-icon{min-width:50px;height:50px;padding:0 14px;background:#fffffff0;font-size:.95rem}.kid-btn-icon.is-muted{background:#fee2e2;color:#991b1b}.gesture-toast{position:absolute;top:calc(max(12px,env(safe-area-inset-top)) + 62px);left:50%;transform:translate(-50%);z-index:8;background:var(--pill-bg);color:#fff;padding:7px 16px;border-radius:999px;font-size:.9rem;font-weight:700;white-space:nowrap;backdrop-filter:blur(6px);pointer-events:none;transition:opacity .4s ease}.bottom-bar{position:absolute;bottom:max(16px,env(safe-area-inset-bottom));left:12px;right:12px;z-index:10;display:flex;flex-direction:column;align-items:center;gap:12px;pointer-events:none}.action-strip{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;pointer-events:auto}.chip-btn{display:inline-flex;align-items:center;gap:5px;border:2.5px solid rgba(255,255,255,.92);border-radius:999px;padding:9px 14px;background:#111827c2;color:#fff;font-family:var(--font-kids);font-size:.94rem;font-weight:800;backdrop-filter:blur(8px);box-shadow:0 4px 12px #0000004d;cursor:pointer;transition:transform .1s ease,background-color .15s ease}.chip-btn:active{transform:scale(.94)}.chip-btn.roar-btn{background:#f97316;color:#fff}.chip-btn.walk-active{background:#22c55e;color:#052e16}.shutter-row{display:flex;align-items:center;justify-content:center;gap:18px;pointer-events:auto}.shutter-btn{width:86px;height:86px;border-radius:50%;border:6px solid #ffffff;background:radial-gradient(circle at 35% 30%,#facc15,#f97316);box-shadow:0 6px #c2410c,0 10px 24px #00000073;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:transform .1s ease,box-shadow .1s ease}.shutter-btn:active{transform:translateY(4px) scale(.95);box-shadow:0 2px #c2410c,0 5px 14px #0006}.shutter-btn .shutter-emoji{font-size:1.95rem;line-height:1}.shutter-btn .shutter-label{font-size:.82rem;font-weight:900;color:#111827;margin-top:2px}.flash-overlay{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none;z-index:30;transition:opacity .25s ease-out}.flash-overlay.is-flashing{opacity:.92;transition:none}.modal-backdrop{position:absolute;inset:0;z-index:25;background:#0f172aa6;backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:16px}.modal-backdrop.is-hidden{display:none}.modal-card{width:100%;max-width:460px;background:#fff;border-radius:28px;border:4px solid #fde047;padding:20px;box-shadow:0 20px 45px #00000073;max-height:88vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.modal-title{margin:0;font-size:1.35rem;font-weight:900;color:#111827}.close-btn{border:none;background:#f3f4f6;width:40px;height:40px;border-radius:50%;font-size:1.2rem;font-weight:900;cursor:pointer}.dino-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:14px}.dino-card-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 10px;border-radius:20px;border:3px solid #e5e7eb;background:#f9fafb;cursor:pointer;font-family:var(--font-kids);transition:transform .12s ease,border-color .12s ease}.dino-card-btn.is-selected{border-color:#22c55e;background:#dcfce7}.dino-card-btn:active{transform:scale(.96)}.dino-card-emoji{font-size:2.2rem}.dino-card-name{font-size:1.02rem;font-weight:900;color:#111827}.dino-card-desc{font-size:.78rem;font-weight:700;color:#4b5563}.custom-glb-box{border-top:2px dashed #e5e7eb;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:8px}.custom-glb-label{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:10px 14px;border-radius:14px;background:#eff6ff;border:2px solid #93c5fd;color:#1d4ed8;font-size:.9rem;font-weight:800;cursor:pointer}.photo-preview-card{max-width:480px;text-align:center}.photo-preview-img-wrap{width:100%;max-height:56vh;background:#0f172a;border-radius:18px;overflow:hidden;border:3px solid #e5e7eb;margin-bottom:16px;display:flex;align-items:center;justify-content:center}.photo-preview-img{max-width:100%;max-height:55vh;object-fit:contain;display:block}.photo-modal-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.btn-primary-save{background:#22c55e;color:#fff;border-color:#16a34a;font-size:1.08rem;padding:12px 22px}.btn-secondary-share{background:#38bdf8;color:#0f172a;border-color:#0284c7;font-size:1.05rem;padding:12px 20px}.btn-retake{background:#f3f4f6;color:#1f2937;border-color:#d1d5db;font-size:1.02rem;padding:12px 20px}.camera-notice-banner{position:absolute;top:calc(max(12px,env(safe-area-inset-top)) + 64px);left:50%;transform:translate(-50%);z-index:18;width:min(92vw,420px);background:#fffffff5;border:3px solid #facc15;border-radius:22px;padding:16px 18px;box-shadow:0 12px 30px #00000059;text-align:center}.camera-notice-banner.is-hidden{display:none}.camera-notice-title{margin:0 0 6px;font-size:1.1rem;font-weight:900;color:#b45309}.camera-notice-desc{margin:0 0 12px;font-size:.9rem;line-height:1.45;color:#374151;font-weight:600}.camera-notice-actions{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}@media (max-width: 420px){.kid-btn{padding:8px 12px;font-size:.92rem}.chip-btn{padding:8px 11px;font-size:.85rem}.shutter-btn{width:78px;height:78px}}