/* YENTUMI Gradebook — Step 5.177 Desktop Teacher Editor Overlay & Form UX */
:root{--gbta-brand:#1769ff;--gbta-navy:#0b2f55;--gbta-ink:#102a43;--gbta-muted:#657991;--gbta-line:#dce6f2;--gbta-soft:#f5f8fc;--gbta-card:#fff;--gbta-green:#0f9f6e;--gbta-shadow:0 16px 45px rgba(34,62,96,.09)}
html[data-theme="dark"]{--gbta-ink:#e7eef8;--gbta-muted:#9fb0c5;--gbta-line:#243b55;--gbta-soft:#10263d;--gbta-card:#0c2137;--gbta-shadow:0 18px 50px rgba(0,0,0,.22)}

/* Login + recovery -------------------------------------------------------- */
.pwa-auth-page .auth-card{position:relative}
.gb-forgot-password-link{margin-left:auto;color:var(--gbta-brand)!important;font-size:12px!important;font-weight:800!important;text-decoration:none!important;white-space:nowrap}
.gb-forgot-password-link:hover{text-decoration:underline!important}
.gb-login-password-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 6px;color:var(--gbta-ink);font-size:13px;font-weight:800}
.gb-staff-recovery-card{max-width:510px!important;margin-inline:auto!important;padding:34px!important;border-radius:22px!important;box-shadow:var(--gbta-shadow)!important;border:1px solid var(--gbta-line)!important}
.gb-recovery-mark{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:#eaf2ff;color:var(--gbta-brand);font-size:22px;font-weight:900;margin-bottom:18px}
.gb-staff-recovery-card h2{font-size:27px!important;margin:7px 0 9px!important}
.gb-staff-recovery-card>p{color:var(--gbta-muted);line-height:1.65}
.gb-staff-recovery-card form{display:grid;gap:15px;margin-top:23px}
.gb-staff-recovery-card label{display:grid;gap:7px;font-size:12px;font-weight:800;color:var(--gbta-ink)}
.gb-staff-recovery-card input{min-height:49px;border:1px solid var(--gbta-line);border-radius:12px;padding:10px 13px;background:var(--gbta-card);color:var(--gbta-ink);font-size:15px}
.gb-staff-recovery-card button,.gb-staff-recovery-card .button{min-height:49px;border-radius:12px!important;font-weight:800!important}
.gb-password-guidance,.gb-recovery-security{display:flex;gap:10px;padding:12px 13px;border-radius:12px;background:var(--gbta-soft);border:1px solid var(--gbta-line);color:var(--gbta-muted);font-size:12px;line-height:1.5}
.gb-password-guidance{display:grid;gap:2px}.gb-password-guidance b{color:var(--gbta-ink)}
.gb-recovery-security p{margin:0}.gb-recovery-security>span{color:var(--gbta-green);font-weight:900}
.gb-back-to-signin{display:inline-flex;margin-top:22px;color:var(--gbta-muted)!important;font-size:12px!important;font-weight:800!important;text-decoration:none!important}

/* Modern desktop/tablet Teachers workspace ------------------------------- */
@media (min-width:821px){
 body[data-gb-page="teachers"] main.shell{max-width:1560px}
 body[data-gb-page="teachers"] .page-head{display:none!important}
 body[data-gb-page="teachers"] .assignment-period{display:none!important}
 body[data-gb-page="teachers"] .teacher-layout{display:block!important}
 body[data-gb-page="teachers"] .teacher-layout>.panel:first-child{padding:0!important;border:0!important;background:transparent!important;box-shadow:none!important}
 body[data-gb-page="teachers"] .teacher-layout>.panel:first-child>h2{display:none!important}
 body[data-gb-page="teachers"] .teacher-layout>.teacher-editor.gbta-editor-source{display:none!important}
 .gbta-workspace{display:grid;gap:18px}
 .gbta-hero{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:25px 27px;border:1px solid #cfe0f6;border-radius:20px;background:linear-gradient(135deg,#fff 0%,#f7fbff 58%,#edf5ff 100%);box-shadow:0 12px 38px rgba(46,85,127,.06)}
 html[data-theme="dark"] .gbta-hero{background:linear-gradient(135deg,#0c2137,#102b47);border-color:var(--gbta-line)}
 .gbta-kicker{margin:0 0 5px;color:var(--gbta-brand);font-size:11px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
 .gbta-hero h1{margin:0;color:var(--gbta-ink);font-size:30px;line-height:1.15}
 .gbta-hero p:not(.gbta-kicker){margin:7px 0 0;color:var(--gbta-muted);font-size:13px;line-height:1.55}
 .gbta-hero-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
 .gbta-period{display:grid;gap:2px;min-width:180px;padding:10px 13px;border:1px solid var(--gbta-line);border-radius:12px;background:rgba(255,255,255,.78)}
 html[data-theme="dark"] .gbta-period{background:rgba(10,31,51,.75)}
 .gbta-period small{color:var(--gbta-muted);font-size:9px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.gbta-period b{color:var(--gbta-ink);font-size:13px}
 .gbta-add{min-height:46px;padding:0 17px;border:0;border-radius:12px;background:var(--gbta-brand);color:#fff;font-size:13px;font-weight:850;box-shadow:0 9px 20px rgba(23,105,255,.2);cursor:pointer}
 .gbta-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
 .gbta-metric{display:flex;align-items:center;gap:13px;min-width:0;padding:16px 17px;border:1px solid var(--gbta-line);border-radius:16px;background:var(--gbta-card);box-shadow:0 8px 28px rgba(39,67,99,.04)}
 .gbta-metric-icon{width:39px;height:39px;display:grid;place-items:center;border-radius:12px;background:#eaf2ff;color:var(--gbta-brand);font-size:17px;font-weight:900;flex:0 0 auto}
 .gbta-metric:nth-child(2) .gbta-metric-icon{background:#eafbf4;color:#087d5c}.gbta-metric:nth-child(3) .gbta-metric-icon{background:#f1edff;color:#6b4eff}.gbta-metric:nth-child(4) .gbta-metric-icon{background:#fff5e8;color:#bf6b00}
 .gbta-metric small{display:block;color:var(--gbta-muted);font-size:10px;font-weight:800}.gbta-metric b{display:block;margin-top:2px;color:var(--gbta-ink);font-size:21px;line-height:1}
 .gbta-toolbar{display:grid;grid-template-columns:minmax(280px,1fr) 170px 160px auto;gap:10px;align-items:center;padding:13px;border:1px solid var(--gbta-line);border-radius:16px;background:var(--gbta-card)}
 .gbta-search{position:relative}.gbta-search span{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:#8092a7;font-size:18px}.gbta-search input{width:100%;height:44px;padding:0 13px 0 39px!important;border:1px solid var(--gbta-line)!important;border-radius:11px!important;background:var(--gbta-soft)!important;color:var(--gbta-ink)!important;font-size:13px!important}
 .gbta-toolbar select{height:44px!important;margin:0!important;border-radius:11px!important;background:var(--gbta-card)!important;color:var(--gbta-ink)!important;border:1px solid var(--gbta-line)!important;font-size:12px!important;font-weight:750!important}
 .gbta-result-count{justify-self:end;color:var(--gbta-muted);font-size:11px;font-weight:750;white-space:nowrap}
 body[data-gb-page="teachers"] .teacher-list{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px!important}
 body[data-gb-page="teachers"] .teacher-list-card{position:relative!important;display:grid!important;grid-template-columns:auto minmax(0,1fr) auto!important;gap:12px 14px!important;align-items:start!important;margin:0!important;padding:17px!important;border:1px solid var(--gbta-line)!important;border-radius:17px!important;background:var(--gbta-card)!important;box-shadow:0 8px 28px rgba(39,67,99,.045)!important;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
 body[data-gb-page="teachers"] .teacher-list-card:hover{transform:translateY(-2px);border-color:#bdd3ee!important;box-shadow:0 14px 34px rgba(39,67,99,.08)!important}
 .gbta-avatar{width:46px;height:46px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(145deg,#e7f1ff,#f6f9ff);color:#1458c4;font-size:14px;font-weight:900;border:1px solid #d5e5fa;grid-row:1/span 2}
 html[data-theme="dark"] .gbta-avatar{background:#153757;border-color:#244b6d;color:#8dbaff}
 .gbta-identity{min-width:0}.gbta-identity h3{margin:1px 0 3px!important;color:var(--gbta-ink)!important;font-size:15px!important}.gbta-identity .gbta-role-row{display:flex;gap:5px;flex-wrap:wrap}.gbta-role{display:inline-flex;padding:4px 7px;border-radius:999px;background:#eef4ff;color:#225eb9;font-size:9px;font-weight:850}.gbta-role.subject{background:#f1edff;color:#6546c9}
 .gbta-status{padding:5px 8px;border-radius:999px;background:#eafbf4;color:#087d5c;font-size:9px;font-weight:900}.gbta-status.inactive{background:#f2f4f7;color:#667085}
 .gbta-contact{grid-column:2/4;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,150px);gap:8px;padding-top:10px;border-top:1px solid #edf2f7}.gbta-contact a,.gbta-contact span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--gbta-muted)!important;font-size:10px!important;text-decoration:none!important}.gbta-contact a:hover{color:var(--gbta-brand)!important}
 body[data-gb-page="teachers"] .teacher-assignment-summary{grid-column:1/-1!important;margin:0!important;padding:10px 11px!important;border-radius:11px!important;background:var(--gbta-soft)!important;border:1px solid #e8eef5!important;color:var(--gbta-muted)!important;font-size:10px!important;line-height:1.55!important;max-height:58px;overflow:hidden;transition:max-height .2s ease}.teacher-list-card.gbta-expanded .teacher-assignment-summary{max-height:260px}
 .gbta-card-actions{grid-column:1/-1;display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:0}.gbta-card-actions form{margin:0!important}.gbta-card-actions :where(a,button){min-height:34px!important;padding:7px 10px!important;border-radius:9px!important;font-size:10px!important;font-weight:800!important}.gbta-view-assignments{margin-right:auto!important;background:transparent!important;color:var(--gbta-brand)!important;border:0!important;padding-left:0!important}
 .gbta-empty{grid-column:1/-1;padding:35px;text-align:center;border:1px dashed var(--gbta-line);border-radius:16px;color:var(--gbta-muted);background:var(--gbta-soft)}
 .gbta-empty b{display:block;color:var(--gbta-ink);margin-bottom:3px}
 .gbta-editor-backdrop{position:fixed;inset:0;z-index:1090;background:rgba(8,25,46,.52);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
 .gbta-editor-backdrop[hidden]{display:none!important}
 body.gbta-editor-active{overflow:hidden!important}
 body[data-gb-page="teachers"] .teacher-layout>.teacher-editor.gbta-editor-source.gbta-editor-open{display:flex!important;flex-direction:column!important;position:fixed!important;z-index:1100!important;left:50%!important;top:50%!important;transform:translate(-50%,-50%)!important;width:min(920px,calc(100vw - 48px))!important;height:min(780px,calc(100vh - 52px))!important;max-height:calc(100vh - 52px)!important;margin:0!important;padding:0!important;border:1px solid var(--gbta-line)!important;border-radius:22px!important;background:var(--gbta-card)!important;color:var(--gbta-ink)!important;box-shadow:0 30px 90px rgba(8,31,57,.28)!important;overflow:hidden!important}
 .gbta-editor-modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:20px 22px 17px;border-bottom:1px solid var(--gbta-line);background:var(--gbta-card);flex:0 0 auto}.gbta-editor-modal-head small{display:block;color:var(--gbta-brand);font-size:9px;font-weight:900;letter-spacing:.11em;text-transform:uppercase}.gbta-editor-modal-head h2{margin:3px 0 0!important;color:var(--gbta-ink)!important;font-size:21px!important;line-height:1.2}.gbta-editor-modal-head p{margin:5px 0 0!important;color:var(--gbta-muted)!important;font-size:11px!important;line-height:1.45!important}.gbta-editor-close{width:40px;height:40px;display:grid;place-items:center;flex:0 0 auto;border:1px solid var(--gbta-line)!important;border-radius:11px!important;background:var(--gbta-soft)!important;color:var(--gbta-ink)!important;font-size:20px!important;line-height:1!important;cursor:pointer}.gbta-editor-close:hover{border-color:#b7ccec!important;background:#eef5ff!important;color:var(--gbta-brand)!important}
 body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open>h2{display:none!important}
 .gbta-editor-modal-intro{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;margin:18px 22px 0;padding:13px 15px;border:1px solid #dbeafe;border-radius:13px;background:linear-gradient(135deg,#f7fbff,#eef6ff);flex:0 0 auto}html[data-theme="dark"] .gbta-editor-modal-intro{background:#102b47;border-color:#244b6d}.gbta-editor-modal-intro b{display:block;color:var(--gbta-ink);font-size:12px}.gbta-editor-modal-intro span{display:block;margin-top:3px;color:var(--gbta-muted);font-size:10px;line-height:1.5}.gbta-editor-modal-intro .gbta-alert-chip{display:inline-flex;align-items:center;gap:6px;margin:0;padding:6px 9px;border-radius:999px;background:#eafbf4;color:#087d5c;font-size:9px;font-weight:900;white-space:nowrap}
 body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open>form{display:grid!important;gap:13px!important;flex:1 1 auto!important;min-height:0!important;overflow:auto!important;margin:0!important;padding:18px 22px 0!important;scrollbar-gutter:stable}
 body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open fieldset{padding:15px!important;border:1px solid var(--gbta-line)!important;border-radius:14px!important;background:var(--gbta-soft)!important}body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open legend{padding:0 7px!important;color:var(--gbta-ink)!important;font-size:12px!important;font-weight:850!important}
 body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open .teacher-info-grid{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:11px!important}body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open .teacher-info-grid label{margin:0!important}body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open input,body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open select{min-height:43px!important}
 body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open .role-checks{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:9px!important}body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open .role-checks label{display:flex!important;align-items:center!important;gap:8px!important;padding:11px!important;border:1px solid var(--gbta-line)!important;border-radius:11px!important;background:var(--gbta-card)!important}
 body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open select[multiple]{min-height:145px!important}body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open .subject-assignment-row{display:grid!important;grid-template-columns:1fr 1fr auto!important;gap:8px!important;align-items:center!important}
 body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open form>.actions{position:sticky!important;bottom:0!important;margin:6px -22px 0!important;padding:14px 22px!important;background:color-mix(in srgb,var(--gbta-card) 96%,transparent)!important;border-top:1px solid var(--gbta-line)!important;backdrop-filter:blur(10px);z-index:3;box-shadow:0 -10px 24px rgba(16,42,67,.04)}body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open form>.actions button:first-child{min-height:44px!important;padding-inline:17px!important;font-weight:850!important}body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open .hint{padding:10px 12px!important;border-radius:11px!important;background:#eef7ff!important;border:1px solid #dbeafe!important;color:#52657a!important;font-size:11px!important;line-height:1.5!important}

}
@media (min-width:821px) and (max-width:1120px){body[data-gb-page="teachers"] .teacher-list{grid-template-columns:1fr!important}.gbta-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.gbta-toolbar{grid-template-columns:1fr 150px 140px}.gbta-result-count{grid-column:1/-1;justify-self:start}.gbta-hero{align-items:flex-start}.gbta-hero-actions{flex-wrap:wrap;justify-content:flex-end}}

@media (min-width:821px) and (max-height:720px){body[data-gb-page="teachers"] .teacher-layout>.teacher-editor.gbta-editor-source.gbta-editor-open{height:calc(100vh - 28px)!important;max-height:calc(100vh - 28px)!important}.gbta-editor-modal-head{padding-block:14px}.gbta-editor-modal-intro{margin-top:13px}}
@media (min-width:821px) and (max-width:980px){body[data-gb-page="teachers"] .teacher-layout>.teacher-editor.gbta-editor-source.gbta-editor-open{width:calc(100vw - 28px)!important}.gbta-editor-modal-intro{grid-template-columns:1fr}.gbta-editor-modal-intro .gbta-alert-chip{justify-self:start}body[data-gb-page="teachers"] .teacher-editor.gbta-editor-open .teacher-info-grid{grid-template-columns:1fr!important}}
@media (max-width:820px){.gb-staff-recovery-card{margin:16px!important;padding:24px 18px!important;border-radius:18px!important}.gb-forgot-password-link{font-size:11px!important}}