[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.mono{font-family:Menlo,Consolas,"Courier New",monospace;letter-spacing:.04em}
.small{font-size:11px;color:var(--muted)}
/* forms */
.auth-wrap{max-width:640px;margin:10px auto 0}
.auth-card{padding:34px}
.auth-title{font-size:34px;margin-bottom:12px}
.auth-foot{text-align:center;font-size:13px;color:var(--muted);margin-top:4px}
.auth-foot a{font-weight:600}
.af{margin-bottom:18px}
.af .input{font-size:14px;color:var(--navy);background:#fdfdfb}
.af .input:focus{border-color:var(--blue);background:#fff}
.af textarea.input{resize:vertical;line-height:1.6}
.af select.input{appearance:auto}
.af-hint{font-size:12px!important;color:var(--muted);margin:-4px 0 8px!important;line-height:1.5!important}
.af-h{font-size:20px!important;margin:26px 0 8px}
.af-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.af-check{display:flex;gap:11px;align-items:flex-start;font-size:13px;line-height:1.55;margin:10px 0;cursor:pointer}
.af-check input{width:18px;height:18px;margin-top:2px;flex-shrink:0;accent-color:var(--navy)}
.pw-wrap{position:relative}
.pw-wrap .input{padding-right:70px}
.pw-show{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:var(--soft);border-radius:6px;padding:6px 10px;font-size:11px;font-weight:600}
.form-err{background:#fbe9e7;color:#8a2a1c!important;border-radius:8px;padding:11px 14px;font-size:13px!important;margin:6px 0 12px!important}
.agreement{max-height:340px;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:6px 20px 14px;background:#fafaf6;margin:10px 0 16px}
.agreement h3{font-size:11px!important;letter-spacing:1.6px;text-transform:uppercase;margin:18px 0 8px}
.agreement p{font-size:12.5px!important;line-height:1.7!important}
.join-class{background:#eeefe6;border-radius:12px;padding:18px 20px;margin:4px 0 6px}
.join-class h3{margin:4px 0 2px}
.join-class p{margin:0;font-size:12px!important}
.button-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.button.secondary{background:#fff;border:1px solid #cfd5e0;color:var(--navy)}
.danger-text{color:#a3321f!important}
/* sidebar user card */
.user-card{display:flex;align-items:center;gap:10px;margin:18px 0 0;padding:12px;border-radius:10px;background:#ffffff0d;color:#fff}
.user-card .avatar{width:34px;height:34px;border-radius:50%;background:var(--gold);color:var(--navy);display:grid;place-items:center;font-weight:bold;font-size:12px;flex-shrink:0}
.user-card div{flex:1;min-width:0}
.user-card strong{display:block;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-card span{font-size:10px;color:#bbc4dd}
.user-card .text-button{color:#d1d8ed;font-size:11px}
/* lists */
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;font-size:13px;margin:0 0 14px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:600;word-break:break-all}
.plain-list{list-style:none;padding:0!important}
.session-list{display:grid;gap:12px}
.empty-panel{text-align:center;padding:40px}
/* classes */
.code-panel .big-code,.cred .big-code{font-size:34px;font-weight:800;letter-spacing:.18em;margin:6px 0 10px;color:var(--navy)}
.cred{background:#f3f6fb;border:1px solid #dfe6f1;border-radius:12px;padding:18px 20px;margin-top:18px}
.cred h3{margin-bottom:8px}
.roster-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.roster-head h2{margin:0}
.table-wrap{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table th{text-align:left;font-size:10px;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted);font-weight:600;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.data-table td{padding:12px;border-bottom:1px solid #eef0f3;vertical-align:top}
.data-table tr:last-child td{border-bottom:0}
.row-actions{white-space:nowrap}
.row-actions .text-button{margin-right:12px;padding:2px 0}
.bar{height:7px;background:var(--soft);border-radius:5px;overflow:hidden;min-width:70px}
.bar span{display:block;height:100%;background:var(--green);border-radius:5px}
.usage-row{display:grid;grid-template-columns:minmax(0,1.4fr) 1fr 36px;gap:14px;align-items:center;font-size:13px;padding:7px 0}
.stat-row-4{grid-template-columns:repeat(4,1fr);margin:0 0 16px}
.admin-tabs a{white-space:nowrap;padding:0 0 13px;font-size:12px;color:var(--muted);border-bottom:3px solid transparent;text-decoration:none}
.admin-tabs a.active{border-color:var(--gold);color:var(--navy);font-weight:bold}
details summary{cursor:pointer;font-weight:600;font-size:13px}
@media (max-width:760px){.af-row,.settings-grid{grid-template-columns:1fr}.stat-row-4{grid-template-columns:1fr 1fr}.auth-card{padding:24px}.auth-title{font-size:28px}.usage-row{grid-template-columns:1fr 60px 30px}}
@media print{.user-card{display:none}}
.session-top .button-row{flex-wrap:nowrap;flex-shrink:0}
.session-top .button-row .button{margin-top:0}
#workspace-label:empty{display:none}
#main:focus{outline:none}
.brand-logo{display:block;width:190px;height:auto;margin:0 0 14px -12px}