@import"https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap";.v2-shell{--navy-950: #020035;--navy-900: #0b2034;--navy-800: #123454;--royal: #2000b1;--orange: #ed4b00;--green-600: #18a77d;--green-100: #e8f8f2;--gold-500: #c7a45b;--gold-100: #fff6dd;--silver-50: #f8fafc;--silver-100: #eef2f6;--silver-200: #dce4ec;--ink: #111827;--muted: #5b6677;--shadow: 0 18px 46px rgba(7, 24, 39, .11);--soft-shadow: 0 10px 28px rgba(7, 24, 39, .08);--radius: 18px;font-family:Manrope,system-ui,sans-serif;display:flex;min-height:100vh;background:var(--silver-50);color:var(--ink)}.v2-overlay,.v2-menu-btn{display:none}.v2-sidebar{width:240px;flex-shrink:0;background:linear-gradient(180deg,var(--navy-950),var(--navy-900));color:#fff;padding:18px 14px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh;overflow-y:auto}.v2-brand{display:flex;align-items:center;gap:10px;padding:6px 8px 16px;color:#fff;text-decoration:none}.v2-brand-mark{width:40px;height:40px;border-radius:12px;background:var(--royal);display:grid;place-items:center;font-weight:800}.v2-brand strong{display:block;font-size:.98rem}.v2-brand small{color:var(--gold-500);letter-spacing:.14em;font-size:.62rem;text-transform:uppercase}.v2-nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border:0;border-radius:12px;background:transparent;color:#dbe4ee;font:inherit;font-weight:600;font-size:.9rem;cursor:pointer;text-align:left;transition:background .15s}.v2-nav-item i{width:20px;text-align:center;color:var(--gold-500)}.v2-nav-item:hover{background:#ffffff14}.v2-nav-item.active{background:var(--royal);color:#fff}.v2-nav-item.active i,.v2-nav-item.premium{color:var(--gold-500)}.v2-nav-item:disabled{opacity:.48;cursor:not-allowed}.v2-nav-item:disabled:hover{background:transparent}.v2-nav-sep{border:0;border-top:1px solid rgba(255,255,255,.12);margin:8px 4px}.v2-main{flex:1;padding:22px 26px 60px;min-width:0}.v2-topbar{display:flex;align-items:center;gap:14px;margin-bottom:20px}.v2-search{flex:1;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--silver-200);border-radius:14px;padding:10px 14px;box-shadow:var(--soft-shadow)}.v2-search input{border:0;outline:0;flex:1;font:inherit;background:transparent}.v2-search i{color:var(--muted)}.v2-chip{display:flex;align-items:center;gap:8px;background:var(--gold-100);color:#6b5320;border:1px solid #eadfbf;padding:9px 14px;border-radius:12px;font-weight:700;font-size:.85rem;white-space:nowrap}.v2-user{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--silver-200);border-radius:12px;padding:7px 12px;font-weight:700;font-size:.85rem}.v2-avatar{width:30px;height:30px;border-radius:50%;background:var(--royal);color:#fff;display:grid;place-items:center;font-size:.7rem;font-weight:800}.v2-eyebrow{display:inline-block;background:var(--green-100);color:var(--green-600);font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;padding:4px 10px;border-radius:999px;margin-bottom:8px}.v2-main h1{margin:0 0 6px;font-size:1.7rem;color:var(--navy-950)}.v2-sub{color:var(--muted);margin:0 0 20px}.v2-grid{display:grid;gap:16px}.v2-grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.v2-grid.cols-2{grid-template-columns:repeat(auto-fill,minmax(330px,1fr))}.v2-card{background:#fff;border:1px solid var(--silver-200);border-radius:var(--radius);padding:18px;box-shadow:var(--soft-shadow)}.v2-card h3{margin:0 0 4px;font-size:1.02rem;color:var(--navy-950)}.v2-card .muted{color:var(--muted);font-size:.85rem}.v2-pill{display:inline-flex;align-items:center;gap:6px;font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:999px;margin-bottom:8px}.v2-pill.gold{background:var(--gold-100);color:#8a6d2f}.v2-pill.green{background:var(--green-100);color:var(--green-600)}.v2-pill.blue{background:#e9edff;color:var(--royal)}.v2-hero{background:linear-gradient(120deg,var(--navy-950),var(--navy-800));color:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-bottom:20px}.v2-hero h2{margin:4px 0 6px;font-size:1.35rem}.v2-hero p{margin:0;color:#c9d4e2;font-size:.9rem}.v2-hero .grow{flex:1;min-width:240px}.v2-btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:12px;padding:10px 16px;font:inherit;font-weight:700;font-size:.88rem;cursor:pointer;text-decoration:none}.v2-btn.primary{background:var(--green-600);color:#fff}.v2-btn.royal{background:var(--royal);color:#fff}.v2-btn.orange{background:var(--orange);color:#fff}.v2-btn.gold{background:var(--gold-500);color:#fff}.v2-btn.ghost{background:#fff;color:var(--navy-950);border:1px solid var(--silver-200)}.v2-btn:disabled{opacity:.5;cursor:not-allowed}.v2-progress{height:8px;background:#ffffff38;border-radius:999px;overflow:hidden;flex:1}.v2-progress.light{background:var(--silver-100)}.v2-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--green-600),#4fd1a5);border-radius:999px}.v2-stat{display:flex;align-items:center;gap:14px}.v2-card.clickable{cursor:pointer;font:inherit;text-align:left;transition:transform .12s,box-shadow .12s,border-color .12s}.v2-card.clickable:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--gold-500)}.v2-stat .chev{margin-left:auto;color:var(--gold-500)}.v2-stat .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:1.1rem;background:var(--gold-100);color:var(--gold-500)}.v2-stat strong{font-size:1.5rem;color:var(--navy-950);display:block;line-height:1.1}.v2-stat small{color:var(--muted)}.v2-bars{display:grid;gap:10px;margin-top:12px}.v2-bar-row{display:grid;grid-template-columns:150px 1fr 52px;align-items:center;gap:10px;font-size:.85rem}.v2-bar-row .track{height:10px;background:var(--silver-100);border-radius:999px;overflow:hidden}.v2-bar-row .track span{display:block;height:100%;border-radius:999px}.v2-folder{margin-bottom:22px}.v2-folder-head{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy-950);margin-bottom:10px;font-size:1.02rem}.v2-folder-head i{color:var(--gold-500)}.v2-folder-head .count{color:var(--muted);font-weight:600;font-size:.8rem}.v2-item{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--silver-200);border-radius:14px;padding:12px 14px;margin-bottom:8px}.v2-item .v2-item-ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;flex-shrink:0}.v2-item .v2-item-ico.pdf{background:#fdecec;color:#d33}.v2-item .v2-item-ico.video{background:#e9edff;color:var(--royal)}.v2-item .v2-item-ico.audio{background:var(--gold-100);color:var(--gold-500)}.v2-item .grow{flex:1;min-width:0}.v2-item .title{font-weight:700;font-size:.92rem;color:var(--navy-950)}.v2-item .meta{color:var(--muted);font-size:.78rem}.v2-done{display:inline-flex;align-items:center;gap:6px;color:var(--green-600);font-weight:800;font-size:.78rem;white-space:nowrap}.v2-empty{text-align:center;color:var(--muted);padding:44px 16px;background:#fff;border:1px dashed var(--silver-200);border-radius:var(--radius)}.v2-empty i{font-size:1.8rem;color:var(--gold-500);margin-bottom:10px;display:block}.v2-modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#020035b8;display:grid;place-items:center;z-index:60;padding:18px}.v2-modal{background:#fff;border-radius:var(--radius);padding:18px;width:min(860px,96vw)}.v2-modal h3{margin:0 0 12px;color:var(--navy-950)}.v2-modal iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:12px}.v2-modal audio{width:100%}.v2-modal .close-row{display:flex;justify-content:flex-end;margin-top:12px}.v2-main .view{padding:0}.v2-main .view-head{display:none}.v2-main .card,.v2-main .content-card{border-radius:var(--radius);border:1px solid var(--silver-200);box-shadow:var(--soft-shadow);font-family:Manrope,system-ui,sans-serif}.v2-main .content-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.v2-main .btn{border-radius:12px;font-weight:700;font-family:inherit}.v2-main .empty-state{background:#fff;border:1px dashed var(--silver-200);border-radius:var(--radius);padding:40px 16px;text-align:center;color:var(--muted)}@media(max-width:900px){.v2-shell{display:block}.v2-sidebar{position:fixed;inset:0 auto 0 0;z-index:70;width:min(86vw,300px);height:100vh;transform:translate(-104%);transition:transform .18s ease;box-shadow:16px 0 42px #02003547}.v2-shell.menu-open .v2-sidebar{transform:translate(0)}.v2-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:65;border:0;background:#0200356b}.v2-shell.menu-open .v2-overlay{display:block}.v2-main{padding:16px 14px 44px}.v2-topbar{gap:10px;flex-wrap:wrap}.v2-menu-btn{display:inline-grid;place-items:center;width:42px;height:42px;border:1px solid var(--silver-200);border-radius:12px;background:#fff;color:var(--navy-950);box-shadow:var(--soft-shadow);cursor:pointer}.v2-search{order:3;flex-basis:100%}.v2-chip{display:none}.v2-bar-row{grid-template-columns:110px 1fr 46px}.v2-grid.cols-2,.v2-grid.cols-3{grid-template-columns:1fr}.v2-item{align-items:flex-start;flex-wrap:wrap}.v2-item .grow{flex-basis:calc(100% - 54px)}}:root{--royal-blue: #2000b1;--midnight-blue: #020035;--dark-royalty: #02066f;--anti-flash-white: #f2f3f4;--lace-cap: #ebeaed;--kimchi-orange: #ed4b00;--text: #14132a;--text-muted: #5a5872;--surface: #ffffff;--border: #e3e2ea;--ok: #1c8b52;--danger: #c62828;--radius: 16px;--radius-sm: 10px;--shadow: 0 18px 40px rgba(2, 0, 53, .1);--shadow-sm: 0 6px 18px rgba(2, 0, 53, .08);--font-title: "Epilogue", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--anti-flash-white);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased}h1,h2,h3,.brand strong{font-family:var(--font-title);letter-spacing:-.01em}a{color:inherit}button{font-family:inherit;cursor:pointer}.btn{border:none;border-radius:var(--radius-sm);padding:12px 18px;font-weight:600;font-size:.95rem;transition:transform .12s ease,box-shadow .12s ease,opacity .12s ease}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--kimchi-orange);color:#fff;box-shadow:0 10px 20px #ed4b0047}.btn-royal{background:var(--royal-blue);color:#fff}.btn-ghost{background:transparent;color:var(--royal-blue);border:1px solid var(--border)}.btn-danger{background:#fdecea;color:var(--danger);border:1px solid #f5c6c0}.btn-block{width:100%}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}.auth-hero{background:linear-gradient(155deg,var(--midnight-blue),var(--royal-blue));color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:space-between}.auth-hero .brand-mark{display:inline-grid;place-items:center;width:56px;height:56px;border-radius:16px;background:#ffffff24;font-family:var(--font-title);font-weight:800;font-size:1.4rem}.auth-hero h1{font-size:2.4rem;line-height:1.1;margin:0 0 12px}.auth-hero p{color:#ffffffd1;max-width:38ch;line-height:1.6}.auth-hero ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}.auth-hero li{display:flex;gap:10px;align-items:center;color:#ffffffe6}.auth-hero li i{color:var(--kimchi-orange)}.auth-panel{display:grid;place-items:center;padding:40px 24px}.auth-card{width:100%;max-width:420px;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:36px}.auth-card h2{margin:0 0 6px;font-size:1.6rem}.auth-card .subtitle{color:var(--text-muted);margin:0 0 24px}.field{margin-bottom:18px}.field label{display:block;font-weight:600;font-size:.88rem;margin-bottom:6px}.field input,.field select{width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;font-family:inherit;background:#fafafc;transition:border-color .12s ease,box-shadow .12s ease}.field input:focus,.field select:focus{outline:none;border-color:var(--royal-blue);box-shadow:0 0 0 3px #2000b11f}.field .hint{font-size:.8rem;color:var(--text-muted);margin-top:6px}.auth-links{display:flex;justify-content:space-between;align-items:center;margin-top:18px;font-size:.9rem}.auth-links a{color:var(--royal-blue);font-weight:600;text-decoration:none}.auth-links a:hover{text-decoration:underline}.alert{padding:12px 14px;border-radius:var(--radius-sm);font-size:.9rem;margin-bottom:18px}.alert-error{background:#fdecea;color:var(--danger);border:1px solid #f5c6c0}.alert-ok{background:#e7f6ee;color:var(--ok);border:1px solid #bfe6cf}.alert-info{background:#eef0ff;color:var(--dark-royalty);border:1px solid #d5d9ff}.pw-checklist{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:6px}.pw-checklist li{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-muted)}.pw-checklist li.ok{color:var(--ok)}.pw-checklist li i{width:16px}.student-shell{display:grid;grid-template-columns:264px 1fr;min-height:100vh}.sidebar{background:var(--midnight-blue);color:#fff;padding:24px 18px;display:flex;flex-direction:column;gap:22px;position:sticky;top:0;height:100vh}.sidebar .brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:#fff}.sidebar .brand-mark{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--royal-blue);font-family:var(--font-title);font-weight:800}.sidebar .brand small{display:block;color:#fff9;font-size:.75rem}.side-nav{display:flex;flex-direction:column;gap:4px;overflow-y:auto}.nav-item{display:flex;gap:12px;align-items:center;background:transparent;border:none;color:#ffffffc7;padding:11px 12px;border-radius:var(--radius-sm);font-size:.92rem;text-align:left;width:100%;text-decoration:none}.nav-item i{width:18px;text-align:center}.nav-item:hover{background:#ffffff14;color:#fff}.nav-item.active{background:var(--royal-blue);color:#fff}.nav-item.admin{color:var(--kimchi-orange)}.section-nav{display:grid;gap:4px;border-top:1px solid rgba(255,255,255,.12);margin-top:6px;padding-top:10px}.section-nav-item{font-size:.86rem}.sidebar-foot{margin-top:auto}.workspace{display:flex;flex-direction:column;min-width:0}.topbar{display:flex;align-items:center;gap:16px;padding:16px 28px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}.global-search{flex:1;display:flex;align-items:center;gap:10px;background:var(--anti-flash-white);border-radius:999px;padding:10px 16px;color:var(--text-muted);max-width:460px}.global-search input{border:none;background:transparent;outline:none;width:100%;font-size:.95rem;font-family:inherit}.menu-toggle{display:none}.icon-button{border:none;background:var(--anti-flash-white);width:42px;height:42px;border-radius:12px;color:var(--text)}.student-chip{display:flex;align-items:center;gap:10px;background:var(--anti-flash-white);border:none;padding:6px 14px 6px 6px;border-radius:999px;font-weight:600}.student-chip .avatar{width:32px;height:32px;border-radius:50%;background:var(--royal-blue);color:#fff;display:grid;place-items:center;font-size:.85rem}.view{padding:28px}.page-intro{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;flex-wrap:wrap}.eyebrow{color:var(--kimchi-orange);font-weight:700;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}.page-intro h1{margin:6px 0;font-size:1.9rem}.page-intro p{margin:0;color:var(--text-muted);max-width:60ch}.filters-card{display:grid;grid-template-columns:2fr 1fr;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:22px}.filters-card label{display:block}.filters-card span{display:block;font-size:.82rem;font-weight:600;margin-bottom:6px;color:var(--text-muted)}.filters-card input,.filters-card select{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:inherit;font-size:.95rem;background:#fafafc}.module-block{margin-bottom:30px}.module-head{display:flex;align-items:baseline;gap:10px;margin-bottom:14px}.module-head h2{margin:0;font-size:1.25rem}.module-head span{color:var(--text-muted);font-size:.9rem}.repository-layout{display:grid;grid-template-columns:minmax(220px,280px) 1fr;gap:20px;align-items:start}.folder-browser{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px;display:grid;gap:4px;position:sticky;top:86px}.student-folder-item,.folder-tree-item{width:100%;min-height:40px;border:none;background:transparent;color:var(--text-muted);display:flex;align-items:center;gap:10px;text-align:left;border-radius:var(--radius-sm);padding:9px 12px;font-weight:600}.student-folder-item:hover,.folder-tree-item:hover{background:var(--anti-flash-white);color:var(--text)}.student-folder-item.active,.folder-tree-item.active{background:#eef0ff;color:var(--royal-blue)}.folder-tree-item small{margin-left:auto;color:var(--text-muted);font-weight:600}.materials-panel{min-width:0}.content-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}.content-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .14s ease,box-shadow .14s ease}.content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.content-thumb{aspect-ratio:16 / 9;background:linear-gradient(150deg,var(--dark-royalty),var(--royal-blue));display:grid;place-items:center;color:#fff;font-size:2rem;position:relative}.content-thumb img{width:100%;height:100%;object-fit:cover}.content-type{position:absolute;top:10px;left:10px;background:#020035b3;color:#fff;font-size:.72rem;font-weight:600;padding:4px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}.content-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}.content-body h3{margin:0;font-size:1.05rem}.content-body p{margin:0;color:var(--text-muted);font-size:.9rem;line-height:1.5;flex:1}.content-meta{flex:unset!important;font-size:.82rem!important;color:#5d6678!important}.content-actions{display:grid;grid-template-columns:1fr;gap:8px;margin-top:8px}.content-actions .btn{width:100%;justify-content:center}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state i{font-size:2.4rem;color:var(--lace-cap);margin-bottom:12px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#02003599;display:grid;place-items:center;padding:20px;z-index:40}.modal{background:var(--surface);border-radius:var(--radius);width:min(880px,100%);max-height:90vh;overflow:auto;padding:22px}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal video,.modal iframe{width:100%;aspect-ratio:16 / 9;border:none;border-radius:var(--radius-sm);background:#000}.admin-tabs{display:flex;gap:8px;margin-bottom:22px}.admin-tab{border:1px solid var(--border);background:var(--surface);padding:10px 18px;border-radius:999px;font-weight:600;color:var(--text-muted)}.admin-tab.active{background:var(--royal-blue);color:#fff;border-color:var(--royal-blue)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:20px}.card h3{margin:0 0 16px}.muted-text{color:var(--text-muted);font-size:.9rem;line-height:1.5}.admin-content-layout{display:grid;grid-template-columns:minmax(240px,320px) 1fr;gap:20px;align-items:start}.folder-panel{position:sticky;top:86px}.folder-tree{display:grid;gap:12px}.folder-section>span{display:block;color:var(--text-muted);font-size:.78rem;font-weight:700;margin:0 0 6px 4px;text-transform:uppercase}.admin-actions{align-self:end;display:flex;gap:10px;flex-wrap:wrap}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.form-grid .full{grid-column:1 / -1}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:.9rem}.data-table th{color:var(--text-muted);font-weight:600}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:600;background:var(--lace-cap);color:var(--dark-royalty)}.badge.video{background:#e7ecff;color:var(--royal-blue)}.badge.document{background:#ffe9df;color:var(--kimchi-orange)}.spinner-page{min-height:100vh;display:grid;place-items:center;color:var(--text-muted)}.config-warning{max-width:640px;margin:60px auto;background:var(--surface);border:1px solid var(--border);border-left:5px solid var(--kimchi-orange);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}.config-warning h2{margin-top:0}.config-warning code{background:var(--anti-flash-white);padding:2px 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