/* 빡공보카 전용 아이콘 시스템
   원본: design-sources/icons — 외부 아이콘/출처 표기 없음 */
.bg-icon{display:inline-block;width:1.8rem;height:1.8rem;flex:none;background-repeat:no-repeat;background-size:400% 400%;vertical-align:middle;color:transparent;overflow:hidden}
.bg-icon.core{background-image:url('./bbakgong-ui-core.png')}
.bg-icon.action{background-image:url('./bbakgong-ui-actions.png')}

/* core sprite */
.bgi-dashboard{background-position:0 0}.bgi-students{background-position:33.333% 0}.bgi-book{background-position:66.666% 0}.bgi-homework{background-position:100% 0}
.bgi-settings{background-position:0 33.333%}.bgi-home{background-position:33.333% 33.333%}.bgi-profile{background-position:66.666% 33.333%}.bgi-room{background-position:100% 33.333%}
.bgi-flash{background-position:0 66.666%}.bgi-wordpick{background-position:33.333% 66.666%}.bgi-target{background-position:66.666% 66.666%}.bgi-keyboard{background-position:100% 66.666%}
.bgi-listen{background-position:0 100%}.bgi-mic{background-position:33.333% 100%}.bgi-brain{background-position:66.666% 100%}.bgi-test{background-position:100% 100%}

/* action sprite */
.bgi-match{background-position:0 0}.bgi-memory{background-position:33.333% 0}.bgi-ox{background-position:66.666% 0}.bgi-balloon{background-position:100% 0}
.bgi-timer{background-position:0 33.333%}.bgi-rescue{background-position:33.333% 33.333%}.bgi-calendar{background-position:66.666% 33.333%}.bgi-retry{background-position:100% 33.333%}
.bgi-coin{background-position:0 66.666%}.bgi-fire{background-position:33.333% 66.666%}.bgi-tree{background-position:66.666% 66.666%}.bgi-shop{background-position:100% 66.666%}
.bgi-trophy{background-position:0 100%}.bgi-print{background-position:33.333% 100%}.bgi-assign{background-position:66.666% 100%}.bgi-edit{background-position:100% 100%}

/* 사람이 조정한 크기 계층 */
.bg-icon.nav-icon{width:1.42rem;height:1.42rem;margin-right:.18rem}
.bg-icon.card-icon{width:3.1rem;height:3.1rem}
.bg-icon.mini-icon{width:1.2rem;height:1.2rem}
@media(max-width:560px){.bg-icon.nav-icon{width:1.28rem;height:1.28rem}.bg-icon.card-icon{width:2.65rem;height:2.65rem}}