#cloud-open{position:fixed;right:12px;top:12px;z-index:30;border:1px solid #cbd5d1;border-radius:12px;padding:10px 16px;background:#fcfcfa;color:#243344;box-shadow:0 2px 12px #18232e18;font:500 14px system-ui;max-width:80vw;text-overflow:ellipsis;overflow:hidden;white-space:nowrap;min-height:44px}
#cloud-dialog{width:min(660px,94vw);max-height:90dvh;overflow:auto;padding:24px;border:1px solid #cbd5d1;border-radius:18px;color:#243344;background:#fcfcfa}
#cloud-dialog::backdrop{background:#18232edb;backdrop-filter:blur(8px)}
.cloud-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.cloud-header h2{margin:0}
#cloud-dialog button{min-height:44px;padding:10px 14px;border:1px solid #cbd5d1;border-radius:8px;background:#fff;color:#243344;font:inherit;cursor:pointer}
#cloud-dialog button:hover{border-color:#277a69}#cloud-dialog button.danger{color:#b52437}
#cloud-status{line-height:1.5;white-space:normal}#cloud-login{text-align:center}#cloud-login[hidden],#cloud-library[hidden]{display:none}
#cloud-dialog>#cloud-library,#cloud-dialog>#cloud-login{display:block}
#cloud-dialog>[hidden]{display:none}
#cloud-qr{position:static;inset:auto;display:block;width:280px;max-width:100%;height:auto;margin:12px auto}#cloud-course{display:block;width:100%;padding:12px;margin:8px 0;font:inherit;border:1px solid #cbd5d1;border-radius:8px;background:#fff;color:#243344}
.cloud-actions{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}#cloud-documents{display:grid;gap:12px;margin:20px 0}#cloud-documents article{display:flex;flex-wrap:wrap;gap:6px;padding:12px;border:1px solid #cbd5d1;border-radius:12px}#cloud-documents article button:first-child{flex:1 1 240px;text-align:left;font-weight:600}
#cloud-qr[hidden]{display:none}
@media print{#cloud-open,#cloud-dialog{display:none!important}}