/* 班級登入共用圖庫樣式（class-pics.js）：頭像紙卡、圖片密碼小圖 */
.cp-av{position:relative;display:inline-grid;place-items:center;aspect-ratio:1;background:var(--cp);border-radius:16px;box-shadow:inset 0 0 0 3px rgba(255,255,255,.55),0 3px 0 rgba(90,60,30,.18);vertical-align:middle}
.cp-av>img{width:80%;height:80%;object-fit:contain;pointer-events:none;filter:drop-shadow(0 2px 0 rgba(90,60,30,.15))}
.cp-st{position:absolute;right:-8%;top:-8%;width:42%;aspect-ratio:1;filter:drop-shadow(0 2px 1px rgba(60,40,20,.25))}
.cp-st svg,.cp-pic svg{display:block;width:100%;height:100%}
.cp-pic{display:inline-block;width:1.7em;height:1.7em;vertical-align:middle}