:root{
  --bg:#f6f8fb;--surface:#fff;--surface-2:#f9fbfd;--text:#172033;--muted:#6f7a8d;--line:#e6eaf0;
  --primary:#4769ff;--primary-dark:#3657db;--success:#1e9f68;--warning:#c88719;--danger:#d64545;
  --radius:16px;--shadow:0 14px 40px rgba(32,48,84,.07)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}.container{width:min(1220px,calc(100% - 32px));margin:0 auto}
.topbar{height:72px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.brand{font-weight:800;font-size:22px;letter-spacing:-.02em}.brand span{color:var(--primary)}
.nav{display:flex;gap:6px;align-items:center}.nav a{padding:10px 12px;border-radius:10px;color:var(--muted);font-weight:600;font-size:14px}.nav a:hover,.nav a.active{background:#eef2ff;color:#3954d7}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 16px;border-radius:11px;border:1px solid transparent;font-weight:700;cursor:pointer;font-size:14px;background:#fff}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-light{background:#fff;border-color:var(--line)}.btn-danger{background:#fff1f1;color:#b52f2f;border-color:#ffd9d9}.btn-success{background:#ecfbf4;color:#16784f;border-color:#c9f1df}.btn-sm{min-height:34px;padding:0 11px;font-size:13px;border-radius:9px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}.login-shell{width:min(460px,100%)}.login-form{padding:38px}.login-form h2{font-size:30px;margin:0 0 8px}.sub{color:var(--muted);margin:0 0 26px;line-height:1.55}
.field{margin-bottom:16px}.field label{display:block;font-weight:700;font-size:14px;margin-bottom:8px}.field input,.field textarea,.field select{width:100%;min-height:46px;border:1px solid var(--line);border-radius:11px;padding:10px 13px;font-size:15px;outline:none;background:#fff;color:var(--text)}.field textarea{min-height:120px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:#aebcff;box-shadow:0 0 0 4px rgba(71,105,255,.08)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}.help{font-size:12px;color:var(--muted);margin-top:6px}
.alert{padding:12px 14px;border-radius:11px;margin-bottom:16px;font-size:14px}.alert-danger{background:#fff0f0;color:#a62626;border:1px solid #ffd0d0}.alert-success{background:#effcf6;color:#16734e;border:1px solid #c8efdc}.alert-info{background:#f0f5ff;color:#3654b8;border:1px solid #d8e3ff}
.page{padding:32px 0 48px}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.page-head h1{margin:0;font-size:30px;letter-spacing:-.02em}.muted{color:var(--muted)}
.dashboard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat{padding:21px}.stat .label{color:var(--muted);font-size:13px}.stat .value{font-size:32px;font-weight:800;margin-top:7px}.welcome{padding:26px;margin-top:18px}.welcome h2{margin:0 0 8px}
.role-badge,.badge{display:inline-flex;align-items:center;padding:6px 9px;border-radius:999px;font-size:12px;font-weight:800}.role-badge{background:#eef2ff;color:#3954d7;text-transform:uppercase;letter-spacing:.04em}.badge-success{background:#eaf8f1;color:#157750}.badge-danger{background:#fff0f0;color:#b22f2f}.badge-muted{background:#f1f3f6;color:#687387}
.toolbar{padding:14px;display:flex;align-items:center;gap:10px;margin-bottom:16px}.search{flex:1;display:flex;gap:8px}.search input{width:100%;height:42px;border:1px solid var(--line);border-radius:10px;padding:0 13px;outline:none}.search input:focus{border-color:#aebcff}.select-sm{height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px;background:#fff;color:var(--text)}
.table-card{overflow:hidden}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;min-width:920px}.table th,.table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}.table th{font-size:12px;text-transform:uppercase;letter-spacing:.045em;color:var(--muted);background:#fafbfd}.table td{font-size:14px}.table tr:last-child td{border-bottom:0}.user-cell{display:flex;align-items:center;gap:11px}.avatar{width:38px;height:38px;border-radius:11px;background:#eef2ff;color:#3f5bd6;display:grid;place-items:center;font-size:13px;font-weight:800;flex:0 0 auto}.user-name{font-weight:750}.user-mail{font-size:12px;color:var(--muted);margin-top:3px}.actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.empty{padding:54px 20px;text-align:center}.empty h3{margin:0 0 8px}.empty p{color:var(--muted);margin:0 0 18px}.pagination{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-top:1px solid var(--line);gap:12px}.pagination-links{display:flex;gap:6px}.pagination a,.pagination span{min-width:34px;height:34px;padding:0 8px;border:1px solid var(--line);border-radius:8px;display:grid;place-items:center;font-size:13px;background:#fff}.pagination .current{background:var(--primary);border-color:var(--primary);color:#fff}
.form-card{padding:24px}.section-title{font-size:17px;font-weight:800;margin:0 0 18px}.divider{height:1px;background:var(--line);margin:22px 0}.switch-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2)}.switch-row strong{display:block;margin-bottom:3px}.switch-row small{color:var(--muted)}.switch{position:relative;width:48px;height:28px}.switch input{display:none}.slider{position:absolute;inset:0;background:#cbd2dd;border-radius:999px;cursor:pointer;transition:.2s}.slider:after{content:"";position:absolute;width:22px;height:22px;left:3px;top:3px;background:#fff;border-radius:50%;box-shadow:0 2px 8px rgba(0,0,0,.14);transition:.2s}.switch input:checked+.slider{background:var(--success)}.switch input:checked+.slider:after{transform:translateX(20px)}
.profile-grid{display:grid;grid-template-columns:320px 1fr;gap:18px}.profile-card{padding:24px;text-align:center}.profile-avatar{width:86px;height:86px;border-radius:24px;background:#eef2ff;color:#3c57d7;display:grid;place-items:center;margin:0 auto 14px;font-size:27px;font-weight:800}.profile-card h2{margin:0 0 5px}.profile-list{margin-top:20px;text-align:left;border-top:1px solid var(--line)}.profile-item{padding:13px 0;border-bottom:1px solid var(--line)}.profile-item small{display:block;color:var(--muted);margin-bottom:4px}.profile-item strong{font-size:14px}.detail-card{padding:24px}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mini-stat{padding:16px;border:1px solid var(--line);border-radius:12px;background:#fafbfd}.mini-stat small{color:var(--muted)}.mini-stat strong{display:block;font-size:25px;margin-top:5px}
.modal{position:fixed;inset:0;background:rgba(17,24,39,.38);display:none;align-items:center;justify-content:center;padding:20px;z-index:50}.modal.open{display:flex}.modal-box{width:min(440px,100%);background:#fff;border-radius:16px;border:1px solid var(--line);box-shadow:0 30px 80px rgba(20,31,56,.24);padding:24px}.modal-box h3{margin:0 0 8px}.modal-box p{color:var(--muted);line-height:1.55}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}
@media(max-width:920px){.dashboard-grid{grid-template-columns:1fr 1fr}.profile-grid{grid-template-columns:1fr}.nav .hide-mobile{display:none}}
@media(max-width:680px){.container{width:min(100% - 20px,1220px)}.page{padding-top:22px}.page-head{align-items:flex-start;flex-direction:column}.page-head>div:last-child{width:100%;display:flex;gap:8px}.page-head .btn{flex:1}.form-grid{grid-template-columns:1fr}.toolbar{align-items:stretch;flex-direction:column}.search{width:100%}.select-sm{width:100%}.mini-stats{grid-template-columns:1fr}.pagination{align-items:flex-start;flex-direction:column}.login-page{padding:12px}.login-form{padding:28px}.topbar{height:64px}.nav a{padding:9px}.dashboard-grid{grid-template-columns:1fr}.hide-xs{display:none}}
.nav-wrap{display:flex;justify-content:space-between;align-items:center;width:100%}.head-actions{display:flex;gap:8px;flex-wrap:wrap}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.12em;color:var(--primary);margin-bottom:6px}.small{font-size:13px;line-height:1.55}.btn-xs{min-height:30px;padding:0 9px;font-size:12px;border-radius:8px}.btn-block{width:100%}.field-wide{grid-column:1/-1}.cover-preview{display:block;width:180px;height:110px;object-fit:cover;border-radius:12px;border:1px solid var(--line);margin-top:10px}
.filter-card{padding:14px;margin-bottom:18px}.filter-row{display:grid;grid-template-columns:1fr 190px auto;gap:10px}.filter-row input,.filter-row select{height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px;background:#fff;color:var(--text);outline:none}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.course-card{overflow:hidden}.course-cover{height:165px;background:#f0f3f8;position:relative}.course-cover img{width:100%;height:100%;object-fit:cover}.cover-placeholder{height:100%;display:grid;place-items:center;font-size:34px;font-weight:900;color:#8c98aa;background:linear-gradient(135deg,#f5f7fb,#e9eef7)}.course-cover .badge{position:absolute;top:12px;right:12px}.badge-active{background:#e8f8ef;color:#16744e}.badge-draft{background:#fff7df;color:#9a6a12}.badge-archived{background:#eef1f5;color:#647083}.course-body{padding:18px}.course-body h3{margin:0 0 8px;font-size:18px}.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:42px;line-height:1.5}.course-meta{display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--muted);padding:14px 0;border-top:1px solid var(--line);margin-top:14px}.course-actions{display:flex;gap:8px}.empty-state{grid-column:1/-1;padding:44px;text-align:center}
.builder-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px}.builder-toolbar{padding:14px;margin-bottom:14px}.inline-form{display:flex;gap:8px}.inline-form input{flex:1;height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px}.module-card{margin-bottom:14px;overflow:hidden}.module-head{min-height:62px;padding:12px 14px;background:#fbfcfe;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center}.module-head small{display:block;color:var(--muted);margin-top:3px}.rename-form{display:flex;align-items:center;gap:8px;flex:1}.module-title-input{font-size:16px;font-weight:800;border:1px solid transparent;background:transparent;border-radius:8px;padding:7px 8px;max-width:420px;width:100%}.module-title-input:focus{outline:none;border-color:var(--line);background:#fff}.mini-link{border:0;background:transparent;color:var(--primary);font-weight:700;cursor:pointer}.icon-btn{width:32px;height:32px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;font-size:18px}.icon-btn.danger{color:var(--danger)}.lesson-list{min-height:58px;padding:7px}.lesson-row{display:flex;align-items:center;gap:11px;padding:10px;border:1px solid transparent;border-radius:10px;cursor:grab}.lesson-row:hover{background:#f8faff;border-color:#edf0f5}.lesson-row.dragging{opacity:.42;background:#eef2ff}.lesson-icon{width:34px;height:34px;border-radius:9px;background:#eef2ff;color:#4059cf;display:grid;place-items:center;font-size:12px;font-weight:900;flex:0 0 auto}.lesson-main{flex:1;min-width:0}.lesson-main strong{display:block;font-size:14px}.lesson-main small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.lesson-actions{display:flex;gap:6px;align-items:center}.lesson-actions form{margin:0}.drop-empty{padding:18px;text-align:center;color:#9aa4b4;font-size:13px;border:1px dashed #dfe4ec;border-radius:9px;margin:2px}.add-lesson-inline{display:block;padding:10px 14px;border-top:1px solid var(--line);font-size:13px;font-weight:700;color:var(--primary);background:#fcfdff}.sticky-card{position:sticky;top:92px;padding:20px}.sticky-card h3{margin:0 0 14px}.summary-line{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}.sticky-card hr{border:0;border-top:1px solid var(--line);margin:16px 0}.media-placeholder{margin:18px 0;padding:20px;border:1px dashed #cfd6e3;background:#fafbfd;border-radius:12px}.media-placeholder strong{display:block;margin-bottom:6px}.media-placeholder span{color:var(--muted);font-size:13px;line-height:1.5}
@media(max-width:980px){.course-grid{grid-template-columns:1fr 1fr}.builder-layout{grid-template-columns:1fr}.sticky-card{position:static}.builder-layout aside{order:-1}}
@media(max-width:680px){.course-grid{grid-template-columns:1fr}.filter-row{grid-template-columns:1fr}.inline-form{flex-direction:column}.rename-form{align-items:stretch;flex-direction:column}.module-head{align-items:flex-start}.lesson-row{align-items:flex-start}.lesson-actions{flex-direction:column}.course-actions .btn{flex:1}.head-actions{width:100%}.head-actions .btn{flex:1}}

/* Tutor MS V4 Secure Media */
.secure-upload{margin:18px 0;padding:20px;border:1px solid var(--line);background:#fbfcfe;border-radius:14px}.secure-upload-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px}.secure-upload-head strong{display:block;font-size:16px;margin-bottom:4px}.secure-upload-head span{color:var(--muted);font-size:13px}.shield-badge{padding:7px 10px!important;background:#eaf8f1;color:#14734d!important;border-radius:999px;font-weight:800;white-space:nowrap}.current-file{display:flex;align-items:center;gap:12px;padding:13px;border:1px solid var(--line);background:#fff;border-radius:12px}.file-icon{width:44px;height:44px;border-radius:10px;background:#eef2ff;color:#4059cf;display:grid;place-items:center;font-size:10px;font-weight:900}.file-meta{flex:1;min-width:0}.file-meta strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-meta span{display:block;color:var(--muted);font-size:12px;margin-top:3px}.upload-field{margin-top:16px}.upload-empty{padding:18px;border:1px dashed #cfd6e3;border-radius:10px;color:var(--muted);text-align:center}.danger-zone{margin-top:18px;padding:18px;border:1px solid #f1c8c8;border-radius:14px;background:#fffafa;display:flex;justify-content:space-between;align-items:center;gap:16px}.danger-zone strong{display:block}.danger-zone span{display:block;color:var(--muted);font-size:13px;margin-top:3px}.media-ok{color:#18865d;font-weight:700}.media-missing{color:#b17412;font-weight:700}.lesson-preview-wrap{max-width:1120px}.secure-player{padding:20px;overflow:hidden}.protected-wrap{position:relative;background:#101318;border-radius:12px;overflow:hidden}.protected-wrap video{display:block;width:100%;max-height:72vh;background:#000}.image-view{text-align:center;background:#f4f6f9}.image-view img{display:block;max-width:100%;max-height:75vh;margin:auto;user-select:none;-webkit-user-drag:none}.viewer-watermark{position:absolute;z-index:4;pointer-events:none;padding:7px 10px;border-radius:7px;background:rgba(255,255,255,.28);color:rgba(20,28,42,.5);font-size:12px;font-weight:800;transition:left .8s ease,top .8s ease;max-width:32%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.protected-wrap video+.viewer-watermark,.pdf-shell .viewer-watermark{background:rgba(255,255,255,.17);color:rgba(255,255,255,.56);text-shadow:0 1px 2px rgba(0,0,0,.35)}.pdf-shell{height:75vh;position:relative;background:#525659;border-radius:12px;overflow:hidden}.pdf-shell iframe{width:100%;height:100%;border:0}.secure-player audio{width:100%}.download-card{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px;background:#fafbfd;border:1px solid var(--line);border-radius:12px}.download-card strong,.download-card span{display:block}.download-card span{color:var(--muted);font-size:13px;margin-top:5px}.empty-media,.text-lesson{padding:34px}.empty-media{text-align:center;color:var(--muted)}.empty-media strong,.empty-media span{display:block}.empty-media strong{color:var(--text);margin-bottom:6px}.security-note{font-size:12px;color:var(--muted);text-align:center;margin-top:12px}.text-lesson{line-height:1.8}.file-actions{display:flex;gap:8px}
@media(max-width:680px){.secure-upload-head,.danger-zone,.download-card{flex-direction:column;align-items:stretch}.shield-badge{align-self:flex-start}.current-file{align-items:flex-start}.viewer-watermark{max-width:55%;font-size:10px}.pdf-shell{height:68vh}}
.demo-list{margin:20px 0;padding-left:22px;line-height:1.9;color:var(--text)}

/* Tutor MS V5 shared layout + enrollments */
.brand-with-icon{display:inline-flex;align-items:center;gap:10px}.brand-with-icon img{width:36px;height:36px;border-radius:10px;object-fit:cover;box-shadow:0 6px 16px rgba(71,105,255,.18)}.brand-text{font-size:21px;font-weight:800;color:var(--text)}.brand-text b{color:var(--primary)}
.mobile-nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);font-size:19px;cursor:pointer}.narrow-container{max-width:900px}.enrollment-filter{display:grid;grid-template-columns:minmax(240px,1fr) 170px 230px auto;gap:10px}.enrollment-filter input,.enrollment-filter select{height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px;background:#fff;color:var(--text);outline:none}.enrollment-status.status-active{background:#e8f8ef;color:#16744e}.enrollment-status.status-scheduled{background:#eef2ff;color:#4059cf}.enrollment-status.status-expired{background:#f1f3f6;color:#687387}.enrollment-status.status-suspended{background:#fff0f0;color:#b22f2f}.access-summary{margin:18px 0 4px;padding:16px;border:1px solid #dfe5ff;background:#f7f9ff;border-radius:12px}.access-summary strong{display:block;margin-bottom:5px}.access-summary p{margin:0}.profile-enrollments{margin-top:18px}.section-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;border-bottom:1px solid var(--line)}.section-bar h2{margin:0;font-size:18px}.section-bar p{margin:4px 0 0;font-size:13px}
.student-course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.student-course-card{overflow:hidden}.student-course-cover{height:170px;position:relative;background:#eef2f7}.student-course-cover img{width:100%;height:100%;object-fit:cover}.student-course-cover .badge{position:absolute;right:12px;top:12px}.student-course-body{padding:18px}.student-course-body h3{margin:0 0 8px;font-size:19px}.progress-head{display:flex;justify-content:space-between;align-items:center;margin-top:17px;font-size:12px;color:var(--muted)}.progress-head strong{color:var(--text)}.progress-bar{height:8px;border-radius:999px;background:#edf0f5;margin:8px 0 14px;overflow:hidden}.progress-bar span{display:block;height:100%;background:var(--primary);border-radius:999px}.course-access-line{font-size:12px;color:var(--muted);padding:0 0 14px}.course-disabled{opacity:.78}.student-course-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px}.student-module{overflow:hidden;margin-bottom:14px}.student-module-head{padding:15px 17px;background:#fafbfd;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center}.student-module-head span{color:var(--muted);font-size:12px}.student-lesson{display:flex;align-items:center;gap:12px;padding:13px 16px;border-bottom:1px solid var(--line);transition:.15s}.student-lesson:last-child{border-bottom:0}.student-lesson:hover{background:#f8faff}.student-lesson>div{flex:1}.student-lesson strong{display:block;font-size:14px}.student-lesson small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.lesson-open{font-size:12px;color:var(--primary);font-weight:700}.empty-module{padding:20px;color:var(--muted);font-size:13px}
@media(max-width:980px){.enrollment-filter{grid-template-columns:1fr 1fr}.student-course-grid{grid-template-columns:1fr 1fr}.student-course-layout{grid-template-columns:1fr}.student-course-layout aside{order:-1}}
@media(max-width:760px){.mobile-nav-toggle{display:inline-grid;place-items:center}.main-nav{display:none;position:absolute;left:16px;right:16px;top:64px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{width:100%}.topbar{position:sticky}.nav-wrap{position:relative}.brand-with-icon img{width:32px;height:32px}.brand-text{font-size:19px}.enrollment-filter{grid-template-columns:1fr}.student-course-grid{grid-template-columns:1fr}.section-bar{align-items:flex-start;flex-direction:column}.section-bar .btn{width:100%}}

/* Tutor MS V6 - modern shared UI + login + progress */
body.app-body{min-height:100vh;display:flex;flex-direction:column;background:
radial-gradient(circle at 12% 5%,rgba(71,105,255,.07),transparent 24%),
radial-gradient(circle at 92% 12%,rgba(91,75,255,.05),transparent 22%),var(--bg)}
body.app-body main{flex:1}.container{width:min(1280px,calc(100% - 48px))}.modern-topbar{height:82px;background:rgba(255,255,255,.82);border-bottom:1px solid rgba(220,226,236,.85);box-shadow:0 10px 32px rgba(33,46,75,.035)}
.modern-topbar .nav-wrap{height:100%;display:flex;align-items:center;gap:26px;padding:0 6px}.brand-with-icon{min-width:max-content;position:relative}.brand-icon-wrap{width:44px;height:44px;border-radius:14px;padding:5px;display:grid;place-items:center;background:linear-gradient(145deg,#eef2ff,#fff);box-shadow:0 10px 25px rgba(71,105,255,.18);transition:.25s}.brand-with-icon:hover .brand-icon-wrap{transform:translateY(-2px) rotate(-2deg);box-shadow:0 14px 30px rgba(71,105,255,.24)}.brand-icon-wrap img{width:34px!important;height:34px!important;border-radius:10px!important;box-shadow:none!important}.brand-stack{display:flex;flex-direction:column;line-height:1}.brand-stack small{margin-top:5px;color:#8a94a7;font-size:10px;font-weight:700;letter-spacing:.04em}.modern-topbar .main-nav{margin-left:8px;gap:5px;flex:1}.modern-topbar .main-nav a{position:relative;padding:11px 13px;border-radius:12px;transition:.18s}.modern-topbar .main-nav a:hover{transform:translateY(-1px)}.nav-dot{width:5px;height:5px;border-radius:50%;background:#c9d0dc;display:inline-block;margin-right:7px;vertical-align:2px}.main-nav a.active .nav-dot{background:var(--primary);box-shadow:0 0 0 4px rgba(71,105,255,.11)}
.topbar-user{display:flex;align-items:center;gap:10px;padding:7px 8px 7px 7px;border:1px solid rgba(225,229,236,.95);border-radius:15px;background:rgba(255,255,255,.72);box-shadow:0 6px 20px rgba(28,43,76,.04)}.user-avatar-mini{width:35px;height:35px;border-radius:11px;display:grid;place-items:center;color:#fff;font-weight:850;background:linear-gradient(145deg,#5b75ff,#3652d8);box-shadow:0 7px 15px rgba(71,105,255,.22)}.user-meta{display:flex;flex-direction:column;min-width:90px;line-height:1.15}.user-meta strong{font-size:12px}.user-meta small{font-size:10px;color:var(--muted);margin-top:3px}.logout-link{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#7b879b;transition:.18s}.logout-link:hover{background:#f3f5f8;color:#263247}
.page{padding:38px 0 58px}.page-head{margin-bottom:26px}.page-head h1{font-size:32px}.card{box-shadow:0 16px 42px rgba(31,46,82,.065);border-color:#e7ebf1}.site-footer{margin-top:auto;padding:0 0 22px}.footer-inner{min-height:54px;border-top:1px solid var(--line);display:flex;align-items:flex-end;justify-content:space-between;color:#8892a4;font-size:12px;padding-top:16px}.footer-inner strong{color:#5e6879}.footer-status{display:flex;align-items:center;gap:7px}.footer-status span{width:7px;height:7px;border-radius:50%;background:#22a06b;box-shadow:0 0 0 4px rgba(34,160,107,.1)}

.login-body{overflow-x:hidden}.login-photo-page{position:relative;min-height:100vh;background-image:url('../images/login-education-bg.png');background-size:cover;background-position:center;display:grid;place-items:center;padding:44px 24px 76px}.login-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,25,52,.48),rgba(20,42,83,.28) 45%,rgba(23,34,59,.47));backdrop-filter:blur(4px) saturate(.92)}.login-card-glass{position:relative;z-index:2;width:min(420px,100%);padding:34px;border:1px solid rgba(255,255,255,.42);border-radius:24px;background:rgba(255,255,255,.72);box-shadow:0 26px 80px rgba(6,18,44,.28);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px)}.login-card-glass:before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.45),transparent 32%)}.login-brand-row{position:relative;display:flex;align-items:center;gap:12px}.login-logo{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:rgba(255,255,255,.78);box-shadow:0 10px 28px rgba(39,57,101,.16)}.login-logo img{width:38px;height:38px;border-radius:11px}.login-brand-row small{display:block;color:#6f7b8e;font-size:11px;margin-top:4px;font-weight:650}.login-heading{position:relative;margin:30px 0 24px}.login-heading h1{font-size:30px;letter-spacing:-.035em;margin:0 0 7px}.login-heading p{margin:0;color:#697689}.glass-field{position:relative}.glass-field input{background:rgba(255,255,255,.7);border-color:rgba(213,220,232,.95);box-shadow:inset 0 1px 0 rgba(255,255,255,.7)}.login-submit{width:100%;min-height:48px;margin-top:4px;border-radius:12px;box-shadow:0 11px 24px rgba(71,105,255,.25)}.login-submit span{font-size:18px}.login-security{position:relative;text-align:center;color:#6f7a8d;font-size:11px;margin-top:20px}.login-footer{position:absolute;z-index:2;left:0;right:0;bottom:24px;text-align:center;color:rgba(255,255,255,.88);font-size:12px;text-shadow:0 2px 8px rgba(0,0,0,.22)}

.course-progress-summary{padding:18px 20px;margin-bottom:18px;display:grid;grid-template-columns:180px 1fr auto;align-items:center;gap:18px}.course-progress-summary>div:first-child{display:flex;flex-direction:column;gap:3px}.course-progress-summary strong{font-size:23px}.course-progress-summary small{color:var(--muted)}.lesson-state{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;border:1px solid #dfe4eb;color:#96a0b1;font-weight:850;background:#fff}.student-lesson.lesson-done{background:#fbfffd}.student-lesson.lesson-done .lesson-state{border-color:#bce8d4;background:#eaf8f1;color:#158057}.student-lesson.lesson-current .lesson-state{border-color:#cad5ff;background:#eef2ff;color:#4059cf}.lesson-topline{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.back-link{font-size:13px;font-weight:750;color:#59667b}.back-link:hover{color:var(--primary)}.lesson-actions-bar{padding:13px;margin-top:16px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px}.lesson-nav-side.right{text-align:right}.lesson-title-row{margin-bottom:18px}.progress-bar.compact{height:6px;margin:7px 0 0}.progress-course-list{display:grid;gap:14px}.progress-course-row{padding:18px 20px;display:grid;grid-template-columns:minmax(220px,1fr) minmax(220px,360px) auto;gap:24px;align-items:center}.progress-course-row h3{margin:8px 0 5px}.progress-course-row p{margin:0;color:var(--muted);font-size:13px}.progress-course-meter strong{font-size:20px}.eyebrow{font-size:11px;font-weight:850;letter-spacing:.11em;color:#6a78a0;margin-bottom:8px}

@media(max-width:980px){.modern-topbar .nav-wrap{gap:15px}.topbar-user .user-meta{display:none}.topbar-user{padding:6px}.progress-course-row{grid-template-columns:1fr 1fr}.progress-course-row .btn{grid-column:1/-1}.course-progress-summary{grid-template-columns:140px 1fr}.course-progress-summary small{grid-column:1/-1}}
@media(max-width:760px){.container{width:min(100% - 28px,1280px)}.modern-topbar{height:72px}.modern-topbar .nav-wrap{padding:0}.topbar-user{margin-left:auto}.main-nav{top:58px!important;left:0!important;right:0!important}.brand-stack small{display:none}.topbar-user .logout-link{display:none}.page{padding:26px 0 42px}.page-head{align-items:flex-start;flex-direction:column}.page-head .btn{width:100%}.footer-inner{align-items:flex-start;flex-direction:column;gap:8px}.progress-course-row{grid-template-columns:1fr}.progress-course-row .btn{grid-column:auto}.course-progress-summary{grid-template-columns:1fr}.course-progress-summary small{grid-column:auto}.lesson-actions-bar{grid-template-columns:1fr}.lesson-actions-bar .btn{width:100%}.lesson-nav-side.right{text-align:left}.login-photo-page{padding:24px 16px 70px}.login-card-glass{padding:27px 22px;border-radius:20px}.login-heading h1{font-size:27px}}

/* ========================= Tutor MS V7 Analytics ========================= */
.analytics-grid{margin-bottom:22px}.modern-stat{display:flex;align-items:center;gap:15px;min-height:118px}.modern-stat .stat-icon{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;font-size:20px;font-weight:800;box-shadow:inset 0 1px 0 rgba(255,255,255,.65)}.stat-icon.blue{background:#e9f2ff;color:#1264e8}.stat-icon.green{background:#e8faf2;color:#0a9c67}.stat-icon.purple{background:#f0ebff;color:#6d49e9}.stat-icon.amber{background:#fff4de;color:#c98100}.modern-stat .small-value{font-size:27px}.modern-stat small{display:block;color:var(--muted,#75839a);margin-top:4px}.analytics-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(290px,.75fr);gap:20px;margin:20px 0}.analytics-chart-card,.quick-insight,.report-card{padding:22px}.card-head-row{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}.card-head-row h2{margin:0 0 5px;font-size:18px}.text-link{font-size:13px;color:#246cf1;text-decoration:none;font-weight:700}.chart-legend{display:flex;gap:14px;align-items:center;color:#748096;font-size:12px}.chart-legend span{display:flex;gap:6px;align-items:center}.legend-dot{width:9px;height:9px;border-radius:50%}.legend-dot.login{background:#276cf2}.legend-dot.complete{background:#8a63ec}.bar-chart{height:230px;display:flex;align-items:stretch;gap:10px;padding:18px 4px 0;border-top:1px solid #edf1f7}.bar-chart.compact{height:205px}.bar-day{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:8px}.bar-values{height:170px;width:100%;display:flex;align-items:flex-end;justify-content:center;gap:5px}.compact .bar-values{height:145px}.bar{width:min(25px,36%);min-height:4px;border-radius:8px 8px 3px 3px;position:relative;transition:.25s ease;box-shadow:0 7px 16px rgba(30,64,175,.07)}.bar:hover{filter:brightness(.96);transform:translateY(-2px)}.bar.login{background:linear-gradient(180deg,#4f8eff,#2169ec)}.bar.complete{background:linear-gradient(180deg,#a588f3,#7755dd)}.bar span{position:absolute;top:-19px;left:50%;transform:translateX(-50%);font-size:10px;font-weight:800;color:#657187}.bar-day small{font-size:11px;color:#8a96a9}.ranking-list{display:flex;flex-direction:column}.ranking-row{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid #eef2f7}.ranking-row:last-child{border-bottom:0}.rank-num{width:22px;height:22px;border-radius:8px;background:#f4f7fb;display:grid;place-items:center;font-size:11px;font-weight:800;color:#657187}.avatar-soft{width:38px;height:38px;border-radius:13px;background:linear-gradient(145deg,#eaf1ff,#f4edff);display:grid;place-items:center;font-weight:800;color:#3167d6}.avatar-soft.small{width:31px;height:31px;border-radius:10px;font-size:11px}.rank-main{min-width:0;flex:1}.rank-main strong,.rank-main small{display:block}.rank-main strong{font-size:13px}.rank-main small{font-size:11px;color:#8994a7;margin-top:2px}.ranking-row>b{font-size:12px;white-space:nowrap}.activity-filters{grid-template-columns:1.25fr 1.25fr 1fr .8fr .8fr auto;align-items:end}.filter-actions{display:flex;gap:8px;padding-bottom:1px}.table-scroll{overflow:auto}.modern-table{min-width:940px}.nowrap{white-space:nowrap}.user-cell{display:flex;align-items:center;gap:10px}.user-cell strong,.user-cell small{display:block}.user-cell small,.table-sub{font-size:11px;color:#8b96a8;margin-top:2px}.activity-badge{display:inline-flex;align-items:center;border-radius:999px;padding:6px 9px;font-size:11px;font-weight:750;background:#f1f4f8;color:#68758a}.activity-badge.success{background:#e8f8f0;color:#087c53}.activity-badge.danger{background:#fff0f0;color:#c64646}.activity-badge.info{background:#e9f5ff;color:#1470b8}.activity-badge.purple{background:#f0ebff;color:#6b49d8}.meta-cell{font-size:11px;color:#778397;max-width:320px}.pagination{display:flex;justify-content:center;gap:6px;margin-top:20px}.pagination a{min-width:34px;height:34px;border:1px solid #e5eaf2;border-radius:10px;display:grid;place-items:center;text-decoration:none;color:#647188;background:#fff}.pagination a.active{background:#246cf1;border-color:#246cf1;color:#fff}.empty-inline{text-align:center;padding:20px;color:#8490a4}.activity-timeline{display:flex;flex-direction:column}.timeline-row{display:grid;grid-template-columns:14px minmax(0,1fr) auto;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid #eef2f7}.timeline-row:last-child{border-bottom:0}.timeline-dot{width:10px;height:10px;border-radius:50%;background:#a8b2c3;box-shadow:0 0 0 5px #f3f5f8}.timeline-dot.success{background:#10a46e;box-shadow:0 0 0 5px #e8f8f1}.timeline-dot.danger{background:#dd5656;box-shadow:0 0 0 5px #fff0f0}.timeline-dot.info{background:#2e83e6;box-shadow:0 0 0 5px #edf6ff}.timeline-dot.purple{background:#7959df;box-shadow:0 0 0 5px #f1edff}.timeline-main strong,.timeline-main small{display:block}.timeline-main strong{font-size:13px}.timeline-main small{font-size:11px;color:#8894a7;margin-top:3px}.timeline-row time{font-size:11px;color:#8a95a7;white-space:nowrap}.dashboard-date{background:#fff;border:1px solid #e8edf4;border-radius:13px;padding:10px 13px;font-size:12px;font-weight:800;color:#647188;box-shadow:0 8px 20px rgba(25,52,91,.04)}.dashboard-analytics{margin-top:18px}.report-card{margin-top:20px}.dashboard-grid-v7{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1180px){.activity-filters{grid-template-columns:repeat(3,1fr)}.filter-actions{grid-column:auto}.analytics-layout{grid-template-columns:1fr}.dashboard-grid-v7{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.analytics-grid,.dashboard-grid-v7{grid-template-columns:1fr}.activity-filters{grid-template-columns:1fr}.analytics-chart-card,.quick-insight,.report-card{padding:16px}.bar-chart{height:190px}.bar-values{height:135px}.chart-legend{display:none}.timeline-row{grid-template-columns:12px minmax(0,1fr)}.timeline-row time{grid-column:2}.dashboard-date{display:none}}

/* ========================= V8 SETTINGS + ACCOUNT ========================= */
.user-meta-link{text-decoration:none;color:inherit}.user-meta-link:hover strong{color:var(--primary)}
.page-narrow{max-width:1120px}.settings-grid{display:grid;gap:18px}.settings-section{padding:24px}.settings-section-head{display:flex;gap:13px;align-items:center;margin-bottom:22px}.settings-section-head h3{margin:0 0 4px}.settings-section-head p{margin:0;color:var(--muted);font-size:13px}.settings-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(145deg,var(--primary),#7d8cff);color:#fff;font-size:20px;box-shadow:0 9px 22px rgba(72,103,242,.18)}.color-field{display:flex;align-items:center;gap:11px;min-height:44px;border:1px solid var(--line);border-radius:10px;padding:6px 10px;background:#fff}.color-field input{width:42px;height:30px;border:0;padding:0;background:transparent}.color-field span{font-size:13px;font-weight:700;color:#536078}.brand-preview{display:flex;align-items:center;gap:13px;padding:15px;margin:8px 0 18px;border:1px solid var(--line);border-radius:13px;background:linear-gradient(135deg,#fbfcff,#f5f7ff)}.brand-preview img{width:48px;height:48px;object-fit:contain;border-radius:13px}.brand-preview strong,.brand-preview span{display:block}.brand-preview span{font-size:12px;color:var(--muted);margin-top:3px}.toggle-row{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:13px;padding:14px 15px;margin:5px 0 17px;background:#fbfcfe;cursor:pointer}.toggle-row>input{position:absolute;opacity:0}.toggle-ui{width:43px;height:24px;border-radius:999px;background:#d7dce6;position:relative;flex:0 0 auto;transition:.18s}.toggle-ui:after{content:"";position:absolute;width:18px;height:18px;border-radius:50%;background:#fff;left:3px;top:3px;box-shadow:0 2px 6px rgba(0,0,0,.18);transition:.18s}.toggle-row>input:checked+.toggle-ui{background:var(--primary)}.toggle-row>input:checked+.toggle-ui:after{transform:translateX(19px)}.toggle-row strong,.toggle-row small{display:block}.toggle-row small{margin-top:3px;color:var(--muted)}.settings-savebar{position:sticky;bottom:16px;z-index:8;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:13px 15px;border:1px solid rgba(220,226,238,.92);border-radius:14px;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);box-shadow:0 14px 40px rgba(28,43,76,.12)}.settings-savebar span{font-size:12px;color:var(--muted)}
.account-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}.account-hero{display:flex;align-items:center;gap:17px;padding:22px;margin-bottom:18px;background:linear-gradient(135deg,#fff,#f6f8ff)}.account-avatar{width:68px;height:68px;border-radius:20px;display:grid;place-items:center;background:linear-gradient(145deg,var(--primary),#7184ff);color:#fff;font-size:22px;font-weight:900;box-shadow:0 12px 26px rgba(72,103,242,.2)}.account-hero h2{margin:0 0 4px}.account-hero p{margin:0 0 8px;color:var(--muted)}.sticky-card{position:sticky;top:104px}.btn-block{width:100%}.account-security-note{padding:18px;margin-top:16px}.account-security-note p{margin:8px 0 0;color:var(--muted);font-size:13px}
@media(max-width:900px){.account-layout{grid-template-columns:1fr}.sticky-card{position:static}.settings-savebar{bottom:8px}}@media(max-width:680px){.settings-section{padding:18px}.settings-savebar{align-items:stretch;flex-direction:column}.settings-savebar .btn{width:100%}.account-hero{align-items:flex-start}.account-avatar{width:56px;height:56px;border-radius:16px}}

/* ========================= V9 SECURE VIDEO PIPELINE ========================= */
.video-chunk-card{margin-top:18px}.chunk-uploader{margin-top:18px;padding:18px;border:1px dashed #cad5e8;border-radius:15px;background:linear-gradient(135deg,#fbfdff,#f7f8ff)}.chunk-actions{display:flex;gap:10px;flex-wrap:wrap}.chunk-progress{display:grid;grid-template-columns:minmax(0,1fr) 52px;gap:12px;align-items:center;margin:18px 0 7px}.chunk-progress-track{height:10px;border-radius:999px;background:#e9edf5;overflow:hidden}.chunk-progress-track span{display:block;width:0;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#8a6df6);transition:width .18s ease}.chunk-progress>strong{font-size:12px;color:#5d6880;text-align:right}.video-current{margin-bottom:13px}.video-process-state{margin-left:auto}.hls-tools{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:16px}.hls-tools strong,.hls-tools small{display:block}.hls-tools small{color:var(--muted);margin-top:4px}.small-alert{margin:10px 0;padding:10px 12px;font-size:12px;white-space:pre-wrap;max-height:150px;overflow:auto}.video-diag-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:20px}.video-diag-card{padding:18px;display:flex;gap:13px;align-items:flex-start}.diag-icon{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;font-weight:900}.diag-icon.ok{background:#e9f9f1;color:#10825a}.diag-icon.warn{background:#fff5df;color:#ad7212}.video-diag-card strong,.video-diag-card p,.video-diag-card small{display:block}.video-diag-card p{margin:4px 0;font-size:12px;color:#536078;word-break:break-word}.video-diag-card small{color:var(--muted);line-height:1.45}.pipeline-list{margin:0;padding-left:20px;color:#566278;line-height:1.8}.pipeline-list li+li{margin-top:5px}.file-icon{font-size:10px;letter-spacing:.04em}
@media(max-width:760px){.video-diag-grid{grid-template-columns:1fr}.hls-tools{align-items:stretch;flex-direction:column}.hls-tools form,.hls-tools .btn{width:100%}.chunk-actions .btn{flex:1 1 180px}}

/* Tutor MS V10 - certificates */
.certificate-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.certificate-card{position:relative;overflow:hidden;padding:0;min-height:285px;display:flex;flex-direction:column}.certificate-ribbon{position:absolute;top:18px;right:-42px;transform:rotate(38deg);background:linear-gradient(135deg,var(--primary),#7d8cff);color:#fff;padding:7px 48px;font-size:10px;font-weight:800;letter-spacing:.16em}.certificate-mark{width:58px;height:58px;border-radius:18px;margin:24px 24px 0;display:grid;place-items:center;font-size:26px;font-weight:900;color:#fff;background:linear-gradient(145deg,var(--primary),#7d8cff);box-shadow:0 16px 36px rgba(72,103,242,.26)}.certificate-card-body{padding:18px 24px;flex:1}.certificate-card-body h3{margin:12px 0 6px}.certificate-number{margin-top:18px;padding:10px 12px;border:1px dashed #cdd6ef;border-radius:10px;background:#f8faff;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.certificate-actions{padding:0 24px 24px;display:flex;gap:10px}.certificate-card.is-revoked{opacity:.72}.certificate-page-wrap{max-width:1180px}.certificate-sheet{position:relative;min-height:680px;background:linear-gradient(145deg,#fff,#f7f9ff);border:1px solid #dce4f5;border-radius:26px;padding:70px 76px;text-align:center;box-shadow:0 30px 70px rgba(31,45,88,.10);overflow:hidden}.certificate-sheet:before{content:"";position:absolute;inset:18px;border:2px solid rgba(72,103,242,.24);border-radius:18px;pointer-events:none}.certificate-corner{position:absolute;width:220px;height:220px;border-radius:50%;filter:blur(2px);opacity:.15;background:linear-gradient(135deg,var(--primary),#7d8cff)}.certificate-corner.c1{left:-110px;top:-110px}.certificate-corner.c2{right:-120px;bottom:-120px}.certificate-logo{display:flex;justify-content:center;align-items:center;gap:12px;margin-bottom:34px}.certificate-logo img{width:46px;height:46px;object-fit:contain}.certificate-logo strong{font-size:20px}.certificate-kicker{font-size:11px;letter-spacing:.28em;color:var(--primary);font-weight:800}.certificate-sheet h2{font-size:40px;margin:12px 0 28px}.certificate-lead{color:#67728f;margin:12px 0}.certificate-student{font-size:38px;font-weight:850;color:#101a35;margin:10px auto 18px}.certificate-course{font-size:28px;font-weight:800;color:var(--primary);margin:12px auto 46px}.certificate-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:1px solid #e3e8f4;padding-top:26px}.certificate-meta span{display:block;color:#7a849f;font-size:12px;margin-bottom:5px}.certificate-meta strong{font-size:14px}.certificate-verify{margin-top:28px;font-size:11px;color:#7a849f;word-break:break-all}.certificate-revoked-stamp{position:absolute;left:50%;top:48%;transform:translate(-50%,-50%) rotate(-12deg);font-size:64px;font-weight:950;letter-spacing:.12em;color:rgba(220,38,38,.23);border:8px solid rgba(220,38,38,.20);padding:10px 24px;border-radius:16px}.course-complete-banner{display:flex;align-items:center;gap:16px;margin:18px 0 24px;padding:18px 20px;border-radius:18px;background:linear-gradient(135deg,#ecfdf5,#f0f7ff);border:1px solid #cceee1}.course-complete-icon{width:46px;height:46px;border-radius:14px;background:#17b26a;color:#fff;display:grid;place-items:center;font-size:23px;font-weight:900}.course-complete-banner div:nth-child(2){flex:1}.course-complete-banner strong,.course-complete-banner span{display:block}.course-complete-banner span{font-size:13px;color:#667085;margin-top:3px}.verify-body{min-height:100vh;margin:0;background:radial-gradient(circle at top left,#eef3ff,#f8fafc 45%,#eef4ff);display:grid;place-items:center;padding:28px}.verify-shell{width:min(680px,100%)}.verify-brand{display:flex;align-items:center;justify-content:center;gap:10px;color:#111b35;text-decoration:none;font-weight:850;margin-bottom:18px}.verify-brand img{width:38px;height:38px;object-fit:contain}.verify-card{background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.8);border-radius:28px;padding:36px;box-shadow:0 28px 80px rgba(40,55,100,.13)}.verify-card h1{margin:6px 0 8px}.verify-form{display:flex;gap:10px;margin:24px 0}.verify-form input{flex:1}.verify-result{border-radius:18px;padding:20px;margin-top:16px}.verify-result.valid{background:#ecfdf3;border:1px solid #abefc6}.verify-result.invalid{background:#fff1f1;border:1px solid #fecaca}.verify-result>strong{font-size:17px}.verify-data{display:grid;grid-template-columns:130px 1fr;gap:10px 16px;margin-top:18px;font-size:14px}.verify-data span{color:#667085}.verify-shell footer{text-align:center;color:#7a849f;font-size:12px;margin-top:18px}
@media(max-width:900px){.certificate-grid{grid-template-columns:1fr 1fr}.certificate-sheet{padding:54px 26px;min-height:auto}.certificate-sheet h2{font-size:30px}.certificate-student{font-size:30px}.certificate-course{font-size:23px}.certificate-meta{grid-template-columns:1fr}.course-complete-banner{align-items:flex-start;flex-wrap:wrap}.course-complete-banner .btn{width:100%}}@media(max-width:620px){.certificate-grid{grid-template-columns:1fr}.verify-form{flex-direction:column}.verify-data{grid-template-columns:1fr}.certificate-sheet{border-radius:18px;padding:44px 18px}.certificate-sheet:before{inset:10px}.certificate-student{font-size:25px}.certificate-course{font-size:20px}}
@media print{.no-print,.topbar,.app-footer{display:none!important}.page{padding:0!important}.certificate-page-wrap{max-width:none!important}.certificate-sheet{box-shadow:none;border:none;border-radius:0;min-height:540px}.certificate-sheet:before{border-color:#bbb}.app-body{background:#fff!important}}


/* ========================= V11 NOTIFICATION CENTER ========================= */
.notification-bell{position:relative;width:40px;height:40px;border-radius:13px;display:grid;place-items:center;text-decoration:none;background:#f6f8fc;border:1px solid var(--line);font-size:16px;transition:.18s ease}.notification-bell:hover{transform:translateY(-2px);background:#fff;box-shadow:0 10px 24px rgba(33,50,95,.10)}.notification-bell span{position:absolute;right:-5px;top:-6px;min-width:19px;height:19px;padding:0 5px;border-radius:999px;background:#e5484d;color:#fff;border:2px solid #fff;font-size:9px;font-weight:900;display:grid;place-items:center}.notification-admin-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);gap:20px;margin-bottom:22px}.notification-compose{padding:24px}.notification-help{padding:25px;background:linear-gradient(145deg,#ffffff,#f5f8ff);position:relative;overflow:hidden}.notification-help:after{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-95px;bottom:-95px;background:linear-gradient(145deg,var(--primary),#8b7cf6);opacity:.09}.notif-hero-icon{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(145deg,var(--primary),#7d8cff);color:#fff;font-size:23px;box-shadow:0 14px 28px rgba(72,103,242,.20)}.notification-help h3{margin:18px 0 8px}.notification-help p{color:var(--muted);line-height:1.65}.notification-mini-list{display:grid;gap:9px;margin-top:18px}.notification-mini-list span{font-size:13px;font-weight:700;color:#45516c}.notif-type{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:9px;font-weight:900;letter-spacing:.08em;background:#eef2f7;color:#667085}.notif-type.notif-course,.notification-icon.notif-course{background:#eef2ff;color:#4f46e5}.notif-type.notif-certificate,.notification-icon.notif-certificate{background:#fff5df;color:#9a6700}.notif-type.notif-warning,.notification-icon.notif-warning{background:#fff1eb;color:#c2410c}.notif-type.notif-success,.notification-icon.notif-success{background:#eafbf2;color:#087a50}.notif-type.notif-info,.notification-icon.notif-info{background:#edf6ff;color:#1769aa}.notification-message-preview{max-width:430px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.notification-list{display:grid;gap:13px}.notification-item{display:flex;align-items:flex-start;gap:16px;padding:20px 22px;transition:.18s ease}.notification-item.is-unread{border-color:rgba(72,103,242,.30);background:linear-gradient(135deg,#fff,#f7f9ff);box-shadow:0 12px 34px rgba(72,103,242,.08)}.notification-item:hover{transform:translateY(-1px)}.notification-icon{width:43px;height:43px;border-radius:14px;display:grid;place-items:center;flex:0 0 auto;font-size:16px;font-weight:900}.notification-content{min-width:0;flex:1}.notification-title-row{display:flex;align-items:center;gap:9px}.notification-title-row h3{margin:0;font-size:15px}.unread-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(72,103,242,.10)}.notification-content p{margin:7px 0 9px;color:#59657d;line-height:1.55;font-size:13px}.notification-meta{font-size:11px;color:#98a2b3}.notification-actions{display:flex;gap:8px;flex-wrap:wrap}.narrow-wide{max-width:1050px}.empty-state{text-align:center;padding:46px}.empty-state .notif-hero-icon{margin:0 auto 16px}.empty-state h3{margin:0 0 7px}.empty-state p{margin:0;color:var(--muted)}
@media(max-width:1000px){.notification-admin-grid{grid-template-columns:1fr}}@media(max-width:720px){.notification-item{flex-wrap:wrap}.notification-content{flex-basis:calc(100% - 64px)}.notification-actions{width:100%;padding-left:59px}.notification-actions .btn{flex:1}.notification-bell{width:36px;height:36px}.notification-message-preview{max-width:250px}}

/* ========================= V12 REPORTS / BUILDER / SECURITY / RESPONSIVE POLISH ========================= */
.reports-stats{grid-template-columns:repeat(5,minmax(0,1fr));margin-bottom:22px}.stat-card{padding:20px;position:relative;overflow:hidden}.stat-card:after{content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-40px;bottom:-50px;background:var(--primary);opacity:.055}.stat-card>span{display:block;color:var(--muted);font-size:12px;font-weight:700}.stat-card>strong{display:block;font-size:27px;margin-top:7px;letter-spacing:-.03em}.stat-card>small{color:#98a2b3}.stat-date{font-size:15px!important;line-height:1.35;margin-top:12px!important}.card-head-row{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:20px 20px 10px}.card-head-row h3{margin:0 0 4px}.card-head-row p{margin:0;font-size:13px}.report-course-tabs{display:flex;gap:8px;overflow:auto;padding:3px 0 14px;margin-bottom:8px}.report-course-tabs a{white-space:nowrap;padding:9px 13px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;font-weight:750}.report-course-tabs a.active{background:#eef2ff;color:var(--primary);border-color:#cfd8ff}.compact-empty{padding:34px}.compact-empty h3{font-size:17px}
.section-sort-zone{display:grid;gap:16px}.sortable-module{position:relative;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.sortable-module>.module-head:before{content:"⋮⋮";font-size:17px;letter-spacing:-3px;color:#a6afc1;margin-right:10px;cursor:grab}.sortable-module.module-dragging{opacity:.55;transform:scale(.992);border-color:var(--primary);box-shadow:0 20px 45px rgba(71,105,255,.14)}.lesson-list.drop-active{background:#f5f7ff;outline:2px dashed #aebcff;outline-offset:-5px;border-radius:12px}.lesson-row{transition:transform .14s ease,box-shadow .14s ease,opacity .14s ease}.lesson-row.dragging{opacity:.55;transform:scale(.99);box-shadow:0 10px 25px rgba(44,62,120,.12)}.lesson-actions form,.head-actions form{margin:0}.builder-toast{position:fixed;right:24px;bottom:24px;z-index:120;padding:12px 16px;border-radius:12px;background:#14213d;color:#fff;box-shadow:0 18px 50px rgba(14,27,57,.2);opacity:0;transform:translateY(12px);transition:.22s ease;font-size:13px;font-weight:750}.builder-toast.show{opacity:1;transform:none}.builder-toast.error{background:#a82d36}.preview-admin-banner{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:14px 17px;margin-bottom:18px;border:1px solid #d7defa;background:linear-gradient(135deg,#f6f8ff,#fff);border-radius:14px}.preview-admin-banner strong,.preview-admin-banner span{display:block}.preview-admin-banner span{font-size:12px;color:var(--muted);margin-top:2px}.student-course-hero{padding:26px;margin-bottom:18px;display:flex;justify-content:space-between;gap:20px}.student-course-hero h1{margin:5px 0 8px}.student-course-hero p{color:var(--muted);margin:0;max-width:760px}.course-module-stack{display:grid;gap:14px}.course-module{padding:19px}.course-module h3{margin:0 0 12px}.course-lesson-line{display:flex;justify-content:space-between;gap:16px;padding:12px 3px;border-top:1px solid var(--line)}.course-lesson-line:hover span{color:var(--primary)}.course-lesson-line small{color:var(--muted)}
.video-job-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:16px 0}.video-job-stats span{padding:13px;border-radius:12px;background:#f7f9fd;border:1px solid var(--line);font-size:12px;color:var(--muted)}.video-job-stats strong{display:block;font-size:21px;color:var(--text)}.cron-box{margin-top:18px;padding:15px;border-radius:12px;background:#111827;color:#d9e1ef}.cron-box strong,.cron-box small{display:block}.cron-box code{display:block;margin:9px 0;padding:10px;border-radius:8px;background:#060b15;color:#b8e7c8;overflow:auto}.video-thumb-preview{display:flex;align-items:center;gap:13px;padding:12px;border:1px solid var(--line);border-radius:13px;background:#fbfcff;margin:12px 0}.video-thumb-preview img{width:110px;height:62px;object-fit:cover;border-radius:9px}.video-thumb-preview strong,.video-thumb-preview small{display:block}.video-thumb-preview small{color:var(--muted);margin-top:3px}
.security-check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}.security-check{display:flex;align-items:flex-start;gap:13px;padding:17px}.security-check>span{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-weight:900;flex:0 0 auto}.security-check>span.ok{background:#eafbf2;color:#13865b}.security-check>span.warn{background:#fff2e8;color:#b54708}.security-check p{margin:4px 0 0;color:var(--muted);font-size:12px;line-height:1.45}.security-feature-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.security-feature-list span{padding:8px 10px;border-radius:999px;background:#f4f6fa;border:1px solid var(--line);font-size:12px;font-weight:700;color:#566078}
.ui-reveal{opacity:0;transform:translateY(7px)}.ui-reveal.ui-visible{opacity:1;transform:none;transition:opacity .42s ease,transform .42s ease}.mobile-nav-overlay{display:none;position:fixed;inset:0;background:rgba(14,25,48,.28);backdrop-filter:blur(3px);z-index:18}.table-wrap.is-scrollable:after{content:"Prevucite tabelu →";display:none;position:sticky;left:12px;bottom:8px;width:max-content;padding:5px 8px;border-radius:7px;background:#101828;color:#fff;font-size:9px;letter-spacing:.04em}.secure-player video{background:#0b1020;border-radius:14px}.secure-player video[poster]{object-fit:contain}.app-footer{margin-top:auto}.app-body{min-height:100vh;display:flex;flex-direction:column}.app-body>.page{flex:1}
@media(max-width:1180px){.modern-topbar .container{width:min(100% - 24px,1220px)}.main-nav{gap:2px}.main-nav a{font-size:12px;padding:9px 8px}.brand-stack small{display:none}.reports-stats{grid-template-columns:repeat(3,1fr)}}
@media(max-width:1080px){.modern-topbar{height:68px}.mobile-nav-toggle{display:grid!important;place-items:center;order:3}.main-nav{position:fixed!important;left:14px;right:14px;top:78px;display:flex!important;flex-direction:column;align-items:stretch;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:0 30px 80px rgba(20,34,70,.18);z-index:30;opacity:0;pointer-events:none;transform:translateY(-8px) scale(.99);transition:.18s ease;max-height:calc(100vh - 96px);overflow:auto}.main-nav.open{opacity:1;pointer-events:auto;transform:none}.main-nav a{font-size:14px;padding:12px 13px}.nav-open .mobile-nav-overlay{display:block}.topbar-user{margin-left:auto}.reports-stats{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.container{width:calc(100% - 24px)}.page{padding:22px 0 34px}.page-head h1{font-size:25px}.head-actions{width:100%}.head-actions .btn,.head-actions form{flex:1}.head-actions form .btn{width:100%}.brand-icon-wrap{width:40px!important;height:40px!important}.brand-stack .brand-text{font-size:16px!important}.topbar-user .user-meta{display:none}.topbar-user{gap:6px!important}.user-avatar-mini{display:none!important}.logout-link{width:36px!important;height:36px!important}.reports-stats{grid-template-columns:1fr 1fr}.security-check-grid{grid-template-columns:1fr}.video-job-stats{grid-template-columns:1fr 1fr}.builder-layout{display:block!important}.builder-layout aside{margin-top:16px}.sticky-card{position:static!important}.lesson-row{align-items:flex-start!important;flex-wrap:wrap}.lesson-main{min-width:0;flex:1}.lesson-actions{width:100%;justify-content:flex-end;padding-top:8px}.lesson-actions .btn{min-height:32px}.course-lesson-line{flex-direction:column;gap:4px}.preview-admin-banner,.student-course-hero{align-items:flex-start;flex-direction:column}.student-course-hero .badge{align-self:flex-start}.table-wrap.is-scrollable:after{display:block}.responsive-table{min-width:760px}.lesson-actions-bar{position:sticky;bottom:8px;z-index:9;box-shadow:0 18px 50px rgba(20,35,70,.15)}.lesson-actions-bar .btn{font-size:12px;padding:0 10px}.secure-player{border-radius:14px}.pdf-shell iframe{min-height:68vh}.video-thumb-preview{align-items:flex-start}.video-thumb-preview img{width:92px;height:54px}}
@media(max-width:480px){.container{width:calc(100% - 18px)}.reports-stats{grid-template-columns:1fr}.page-head h1{font-size:23px}.head-actions{display:grid;grid-template-columns:1fr 1fr}.head-actions>*{width:100%}.head-actions .btn{width:100%}.form-card,.settings-section,.notification-compose{padding:17px!important}.course-grid{grid-template-columns:1fr!important}.video-job-stats{grid-template-columns:1fr 1fr}.lesson-actions-bar{gap:6px!important;padding:10px!important}.lesson-actions-bar .lesson-nav-side{flex:1}.lesson-actions-bar>button{order:3;width:100%}.lesson-actions-bar{flex-wrap:wrap}.login-card-glass{padding:24px 18px!important;border-radius:22px!important}.login-heading h1{font-size:28px!important}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.ui-reveal,.ui-reveal.ui-visible,.builder-toast,.sortable-module,.lesson-row{transition:none!important;transform:none!important;opacity:1!important}}
@media(max-width:760px){.topbar-user .logout-link{display:grid!important}.notification-bell{display:grid!important}}