:root{font-family:system-ui,"Microsoft JhengHei",sans-serif;color:#172434;background:#f5f7fa;line-height:1.6}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}header{display:flex;gap:1rem;align-items:center;padding:1rem 5%;background:#fff;border-bottom:1px solid #d7dfe8}header button{margin-left:auto}main{max-width:960px;margin:2rem auto;padding:0 1rem}section{background:#fff;padding:1.4rem;margin:1rem 0;border:1px solid #d7dfe8;border-radius:8px}h1,h2,h3{line-height:1.3}button,input{font:inherit;min-height:44px;border-radius:5px;border:1px solid #64748b;padding:.55rem .8rem}button{background:#fff;cursor:pointer;color:inherit}button:hover:not(:disabled){background:#e7eef8}button:disabled{opacity:.55;cursor:wait}button:focus-visible,input:focus-visible{outline:3px solid #1d64bf;outline-offset:3px}input{width:100%;margin:.4rem 0 .8rem}label{display:block}code{overflow-wrap:anywhere}.row{display:flex;flex-wrap:wrap;align-items:center;gap:.7rem}.assignment,.member{padding:1rem 0;border-bottom:1px solid #d7dfe8;display:flex;gap:.8rem;flex-wrap:wrap;align-items:center}.assignment p,.member p{margin:0;flex:1;min-width:200px}.muted{color:#526274;font-size:.92rem}#notice{border-left:4px solid #365c83;padding:.8rem;background:#eaf0f6}#notice.error{border-color:#ac2f21;background:#fff0ed}#pending,#checkin-pending{padding:1rem;background:#fff3d7}#pending button,#checkin-pending button{display:block;margin-top:.5rem}li{margin:.65rem 0;overflow-wrap:anywhere}#google-button{margin:.8rem 0}#camera{width:100%;max-height:360px;background:#111}#checkin-result{overflow-wrap:anywhere}@media(max-width:500px){main{margin:1rem auto}section{padding:1rem}.row code{width:100%}header{flex-wrap:wrap}}
:root .rights-footer{max-width:960px;margin:2rem auto;padding:1rem;border-top:1px solid #d7dfe8;color:#526274;font-size:12px;line-height:1.7}.copyright{margin:0}.rights-details{margin-top:6px;max-width:76ch}.rights-details summary{cursor:pointer;min-height:44px;display:list-item;align-content:center}.rights-details summary:focus-visible{outline:2px solid #1d64bf;outline-offset:3px}.rights-details p{margin:8px 0}.rights-details a{color:#1d64bf}
#checkin-result:not(:empty){padding:.8rem;border-left:4px solid #af7029;background:#fff0d9;border-radius:0 10px 10px 0}#checkin-result.error{border-color:#ac2f21;background:#fff0ed}
/* Shared cream / orange-gold product theme. Operations retain their role boundaries. */
:root{color:#382f28;background:#fbf7ef;color-scheme:light;--line:#e8ddcf;--accent:#aa4c16}header{padding:22px 5%;border-color:var(--line);background:#fffdf9}header h1{letter-spacing:-.03em;font-size:25px}header h1:before{content:'✦';color:var(--accent);margin-right:12px}main{max-width:1060px;margin:28px auto}section{border-color:var(--line);border-radius:20px;padding:28px;box-shadow:0 5px 20px #65432104}h2{font-size:21px}h3{font-size:16px}button,input{border-color:#ccbca9;border-radius:10px;min-height:44px}button{color:#713b1b;background:#fff9ef}button:hover:not(:disabled){background:#fff0d9}button:focus-visible,input:focus-visible,select:focus-visible{outline-color:var(--accent)}select{font:inherit;min-height:44px;border:1px solid #ccbca9;border-radius:10px;padding:8px;color:inherit;background:white;max-width:100%}.assignment,.member{border-color:var(--line)}.muted{color:#766657}#notice{border-color:#af7029;background:#fff0d9;border-radius:0 12px 12px 0}#notice.error{border-color:#ac2f21;background:#fff0ed}#pending,#checkin-pending{border-radius:12px;background:#fff0d9}#camera{border-radius:14px}:root .rights-footer{max-width:1060px;color:#766657;border-color:var(--line)}.rights-details a{color:var(--accent)}.rights-details summary:focus-visible{outline-color:var(--accent)}@media(max-width:500px){section{padding:20px}header{padding:16px}header h1{font-size:22px}main{margin:18px auto}}