.admin-login{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;background:#fff}.login-brand{padding:55px 12%;background:#29265b;color:#fff;display:flex;flex-direction:column;justify-content:center;gap:38px}.login-brand h1{font-size:43px;line-height:1.7}.login-brand>p{color:#cbc5e7}.login-illustration{display:flex;gap:10px;margin-top:12px}.login-illustration span{border:1px solid #7770ad;border-radius:50%;padding:24px 15px;color:#e5e0fa}.login-illustration span:last-child{background:#7560d7;border-color:#7560d7}.admin-login-form{max-width:410px;width:100%;margin:auto;padding:35px}.admin-login-form h2{font-size:30px}.admin-login-form input{width:100%}.student-link{display:block;margin-top:28px;color:#7560d7;font-size:13px}.access-denied{max-width:620px;margin:12vh auto;text-align:center;padding:30px}.access-denied img{width:65px;margin-bottom:20px}.access-denied p{color:#76788e;margin:20px 0}.admin-main{max-width:1450px}.admin-metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:13px;background:white;margin-bottom:28px;padding:23px 0}.admin-metrics article{padding:0 24px;border-left:1px solid var(--line)}.admin-metrics article:last-child{border:0}.admin-metrics p{font-size:13px}.admin-metrics strong{font-size:34px;font-weight:600;display:block;color:#6050b3;margin:8px 0}.admin-metrics small{font-size:11px;color:var(--muted)}.admin-start{display:grid;grid-template-columns:1fr 1fr;border:1px solid #e3def3;background:#f0edf9;border-radius:14px;margin-bottom:28px}.admin-start>div{padding:25px 28px}.admin-start>div+div{border-right:1px solid #ded7ef}.start-symbol{font-size:30px;color:#8c7dc3}.admin-start h2{font-size:21px;margin:12px 0 7px}.admin-start p{font-size:13px;line-height:1.9;color:#79718f;max-width:350px}.admin-start button{font-size:13px;margin-top:20px}.admin-start .subtle{background:#fff}.admin-block{background:white;border:1px solid var(--line);border-radius:13px;padding:24px}.block-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:18px}.block-heading h2{font-size:19px}.event{display:grid;grid-template-columns:30px 1fr auto;gap:13px;align-items:center;padding:14px 0;border-top:1px solid #f0eff5}.event-marker{color:#8d7dc4;background:#f1eef9;border-radius:50%;width:28px;height:28px;display:grid;place-items:center;font-size:13px}.event p{font-size:13px;overflow-wrap:anywhere}.event small{color:var(--muted);font-size:11px}.event time{color:var(--muted);font-size:11px;white-space:nowrap}.admin-sidebar-note{margin-top:auto;padding:21px 8px 8px}.admin-sidebar-note>span{font-size:28px;color:#b6a4e2}.admin-sidebar-note h3{font-size:14px;margin:13px 0 8px}.admin-sidebar-note p{font-size:12px;color:var(--muted)}.admin-sidebar-note a{display:block;font-size:12px;color:var(--purple);margin-top:17px}.sidebar .nav-item{font-size:13px;white-space:nowrap}.section-toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:17px}.section-toolbar .search input{width:260px}.section-toolbar .primary{font-size:13px}.section-help{color:var(--muted);font-size:12px;line-height:1.9;margin-bottom:17px}.table-wrapper{border:1px solid var(--line);background:white;border-radius:13px;overflow-x:auto}table{border-collapse:collapse;width:100%;text-align:right;white-space:nowrap}th{padding:17px 20px;background:#fafafe;color:#77758f;font-size:11px;font-weight:500}td{padding:18px 20px;border-top:1px solid var(--line);font-size:12px}td:first-child strong{font-weight:600;font-size:14px;display:block}td:first-child small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;padding:4px 9px;border-radius:6px;background:#f1eef8;color:#7865b2}.badge.green{background:#eaf5ef;color:#3a8368}.badge.orange{background:#fff2e5;color:#ae7b3b}.badge.gray{background:#f0f0f5;color:#878498}.status-dot{width:5px;height:5px;border-radius:50%;background:currentColor}.result-note{font-size:12px;color:var(--muted);margin-top:15px}.admin-empty{padding:38px 20px;text-align:center;color:var(--muted);font-size:13px}.action-menu{position:relative}.action-menu summary{cursor:pointer;list-style:none;color:var(--purple);padding:7px 12px;border:1px solid #e7e1f5;border-radius:8px;display:inline-block;font-size:12px}.action-menu summary::-webkit-details-marker{display:none}.action-menu[open] summary{background:#eeebf8}.action-menu .menu-buttons{display:flex;flex-wrap:wrap;gap:7px;max-width:240px;padding-top:10px}.menu-buttons button{font-size:11px;padding:8px 10px;border-radius:6px;color:#6b5ca4;background:#f4f1fa}.menu-buttons .danger{background:#fff1f3;color:#b95269}.admin-lessons{display:grid;gap:16px}.admin-lesson{display:grid;grid-template-columns:76px minmax(0,1fr) auto;gap:20px;background:white;border:1px solid var(--line);border-radius:13px;padding:23px}.lesson-number{background:#eeebf8;color:#a494cf;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:27px;min-height:80px}.lesson-info h3{font-size:17px;margin:5px 0}.lesson-info p{font-size:12px;color:var(--muted);max-width:650px;overflow-wrap:anywhere}.lesson-meta{display:flex;gap:13px;align-items:center;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-top:13px}.lesson-edit-actions{display:flex;flex-direction:column;gap:8px;align-items:stretch;justify-content:center}.lesson-edit-actions button{padding:9px 14px;font-size:12px}.lesson-edit-actions .text-button{color:#a3637e}.admin-main .page-heading h1{font-size:32px}dialog{border:0;border-radius:18px;width:540px;max-width:calc(100vw - 28px);max-height:90vh;padding:29px;color:var(--ink);box-shadow:0 25px 100px #17163740;overflow:auto}dialog::backdrop{background:#201b3f80;backdrop-filter:blur(3px)}dialog form{margin:0;max-width:none}dialog input,dialog select,dialog textarea{width:100%}dialog textarea{padding:12px;line-height:1.8;resize:vertical}dialog label{font-size:12px;margin-top:18px}dialog input{height:44px;background:#fcfcff}dialog select{padding:10px;height:44px}dialog .primary{margin-top:0}.dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.dialog-heading h2{font-size:23px}.dialog-heading p{font-size:11px}.close-dialog:not(.subtle){background:#f3f1f8;color:#9385b4;border-radius:50%;width:31px;height:31px;font-size:23px;flex-shrink:0}.dialog-footer{display:flex;gap:10px;margin-top:24px;border-top:1px solid var(--line);padding-top:20px}.dialog-footer button{font-size:13px}.field-help{font-size:11px;color:var(--muted);margin:8px 0 0;line-height:1.8}.password-tools{display:flex;gap:7px;align-items:center}.password-tools input{min-width:50px;flex:1}.password-tools button{font-size:11px;white-space:nowrap;padding:10px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.dialog-error{font-size:12px}.credential-box{background:#f6f3fd;border:1px solid #e8e1f6;padding:18px 20px;border-radius:10px;margin:20px 0}.credential-box p{font-size:12px;color:var(--muted)}.credential-box p+p{margin-top:18px}.credential-box strong{font-size:17px;color:#493876;display:block;user-select:all;overflow-wrap:anywhere}.credential-box~button{font-size:12px}.credential-box~.muted{font-size:12px;margin-top:14px}#confirm-description{margin-top:16px;color:var(--muted);font-size:14px}#admin-shell .sidebar .brand{margin-bottom:35px}#admin-shell .sidebar-bottom{padding-top:15px}
@media(max-width:1100px){.admin-metrics article{padding:0 17px}.admin-metrics small{font-size:10px}.admin-start h2{font-size:18px}.admin-start>div{padding:23px}.section-toolbar .search input{width:220px}td,th{padding:16px 14px}.admin-lesson{gap:15px;padding:19px;grid-template-columns:55px minmax(0,1fr) auto}}@media(max-width:750px){.admin-login{grid-template-columns:1fr}.login-brand{padding:28px;gap:20px}.login-brand h1{font-size:27px}.login-brand h1 br{display:none}.login-brand>p,.login-illustration{display:none}.admin-login-form{padding:33px 25px}.admin-sidebar-note{display:none}#admin-shell .sidebar .brand{margin-bottom:17px}#admin-shell .sidebar nav{flex-wrap:wrap;display:grid;grid-template-columns:1fr 1fr;gap:4px}#admin-shell .sidebar .nav-item{justify-content:flex-start;margin:0;padding:10px 12px;font-size:12px}#admin-shell .sidebar-bottom{justify-content:space-between;display:flex;padding-top:13px}.admin-metrics{grid-template-columns:1fr 1fr;padding:0;margin-bottom:20px}.admin-metrics article{padding:18px;border-bottom:1px solid var(--line)}.admin-metrics article:nth-child(2){border-left:0}.admin-metrics article:nth-child(3),.admin-metrics article:nth-child(4){border-bottom:0}.admin-metrics strong{font-size:28px}.admin-metrics small{font-size:10px}.admin-start{grid-template-columns:1fr}.admin-start>div+div{border-right:0;border-top:1px solid #ded7ef}.admin-start>div{padding:22px}.admin-main .page-heading h1{font-size:26px}.admin-main .page-heading .muted{font-size:12px}#refresh-admin{font-size:11px;padding:9px;white-space:nowrap}.admin-block{padding:18px}.block-heading{align-items:flex-start}.block-heading h2{font-size:17px}.block-heading .text-button{font-size:11px;white-space:nowrap}.event{grid-template-columns:25px 1fr;gap:10px}.event time{grid-column:2}.section-toolbar{flex-direction:column;align-items:stretch}.section-toolbar .filters{display:flex}.section-toolbar .search{flex:1}.section-toolbar .search input{width:100%}.section-toolbar .primary{align-self:flex-start;padding:10px 16px}.section-toolbar select{max-width:120px}.admin-lesson{grid-template-columns:45px minmax(0,1fr);gap:13px;padding:16px}.lesson-edit-actions{grid-column:1/-1;flex-direction:row;justify-content:flex-start;border-top:1px solid var(--line);padding-top:13px}.lesson-info h3{font-size:15px}.lesson-number{font-size:23px;min-height:60px}.lesson-info p{font-size:11px}.lesson-meta{gap:8px;font-size:10px}.form-row{gap:12px}dialog{padding:23px 20px}.dialog-heading h2{font-size:21px}.password-tools{flex-wrap:wrap}.password-tools input{flex-basis:100%}.dialog-footer button{font-size:12px}.topbar .profile small{display:none}}

#admin-shell .sidebar nav{margin-bottom:auto}.checkbox-row{display:flex;align-items:center;gap:10px;font-size:13px;line-height:1.8}.checkbox-row input[type=checkbox]{width:17px;height:17px;flex:0 0 17px;accent-color:var(--purple);margin:0;padding:0}fieldset{border:1px solid var(--line);border-radius:10px;margin:20px 0 0;padding:15px}legend{font-size:12px;color:var(--muted);padding:0 6px}.course-options{display:grid;gap:7px;margin:12px 0}.course-option{padding:10px;border:1px solid #ece7f7;border-radius:8px;margin:0!important;background:#faf9fe;display:flex;align-items:center;gap:10px;font-size:12px}.course-option input{width:17px!important;height:17px!important;accent-color:var(--purple);flex:0 0 17px}.course-option small{font-size:10px;color:var(--muted)}.enrolled-courses{display:flex;flex-wrap:wrap;gap:5px;max-width:230px}.enrolled-courses .badge{max-width:200px;white-space:normal;line-height:1.8}#admin-videos{margin-top:18px}#video-filter{padding:9px 15px}#admin-shell .sidebar-bottom{margin-top:auto}.course-card-actions{display:flex;flex-direction:column;gap:7px;justify-content:center}.course-card-actions button{font-size:12px;padding:9px 14px}@media(max-width:750px){#admin-shell .sidebar nav{display:grid;grid-template-columns:1fr 1fr}.course-card-actions{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:12px}.table-wrapper{max-width:100%}}

.device-binding-state{display:block;margin-top:6px;font-size:11px;color:var(--muted)}