:root{
  --bg:#06110d;
  --bg-soft:#0d1c17;
  --panel:rgba(15,29,23,.88);
  --panel-2:rgba(20,38,31,.94);
  --line:rgba(130,255,198,.14);
  --primary:#35d69e;
  --primary-2:#18b57f;
  --text:#effff8;
  --muted:#97b9ac;
  --danger:#ff6b6b;
  --warning:#ffd166;
  --shadow:0 20px 60px rgba(0,0,0,.34);
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  background:
    radial-gradient(circle at top left, rgba(53,214,158,.18), transparent 26%),
    radial-gradient(circle at top right, rgba(24,181,127,.14), transparent 22%),
    linear-gradient(180deg,#07120e 0%, #05100c 50%, #040806 100%);
  color:var(--text)
}
a{text-decoration:none}
.app-shell{display:flex;min-height:100vh}
.glass{background:var(--panel);backdrop-filter:blur(18px);border:1px solid var(--line);box-shadow:var(--shadow)}
.sidebar{width:290px;padding:26px;display:flex;flex-direction:column;justify-content:space-between;position:sticky;top:0;height:100vh}
.brand-mark{display:flex;align-items:center;gap:14px}
.brand-icon{width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,var(--primary),#8fffcd);display:grid;place-items:center;color:#072519;font-size:1.5rem;font-weight:700;box-shadow:0 12px 30px rgba(50,211,153,.35)}
.brand-mark h1{font-size:1.1rem;margin:0;font-weight:800}
.brand-mark small{color:var(--muted)}
.sidebar-nav .nav-link{color:#ddfff0;padding:12px 14px;border-radius:14px;margin-bottom:8px;display:flex;gap:10px;align-items:center;transition:.2s}
.sidebar-nav .nav-link:hover,.sidebar-nav .nav-link.active{background:rgba(50,211,153,.12);color:#fff;transform:translateX(3px)}
.sidebar-footer .user-card{display:flex;gap:12px;align-items:center;padding:14px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid var(--line)}
.avatar{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,#2ae39d,#c3ffe8);display:grid;place-items:center;color:#082417;font-weight:800}
.main-content{flex:1;padding:28px}
.main-content.no-sidebar{display:grid;place-items:center;padding:24px}
.page-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
.page-header h2{margin:0;font-size:2rem;font-weight:800}
.page-header p{margin:.35rem 0 0;color:var(--muted)}
.auth-card{width:min(100%,1050px);display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden;border-radius:28px}
.auth-left{padding:48px;background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01))}
.auth-right{padding:48px;background:linear-gradient(145deg,rgba(50,211,153,.12),rgba(12,27,22,.45))}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(50,211,153,.15);border:1px solid var(--line);padding:8px 12px;border-radius:999px;color:#dffff0;font-weight:600}
.auth-left h1{font-size:2.6rem;line-height:1.05;font-weight:800;margin:20px 0 14px}
.auth-left p{color:var(--muted);font-size:1.05rem}
.feature-list{margin-top:28px;display:grid;gap:14px}
.feature-item{padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid var(--line)}
.card-soft{border:none;border-radius:24px;background:var(--panel);backdrop-filter:blur(14px);box-shadow:var(--shadow);color:var(--text);border:1px solid var(--line)}
.card-soft .card-header{padding:20px 22px;border-bottom:1px solid var(--line);background:transparent}
.card-soft .card-body{padding:22px}
.form-control,.form-select,.form-control:focus,.form-select:focus{
  background:#12231d;
  border:1px solid rgba(136,234,192,.15);
  color:#f4fff9;
  box-shadow:none;
  border-radius:14px;
  min-height:46px
}
textarea.form-control{min-height:110px}
.form-control::placeholder, textarea.form-control::placeholder{color:#90b5a7}
.form-check-input{background-color:#12231d;border-color:rgba(136,234,192,.25)}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary)}
.btn{border-radius:14px;font-weight:700;padding:.75rem 1rem}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));border:none;color:#062117}
.btn-primary:hover{filter:brightness(1.05)}
.btn-outline-light{color:#effff7!important;border-color:rgba(255,255,255,.22)!important}
.btn-outline-light:hover{color:#061b14!important;background:#eafff6!important}
.table{color:#effff7;margin-bottom:0}
.table>:not(caption)>*>*{background:transparent!important;border-bottom:1px solid rgba(140,233,198,.08);padding:.95rem .85rem}
.table thead th{font-weight:700;color:#e8fff5!important;font-size:.95rem}
.table tbody td{color:#f4fff9!important;vertical-align:middle}
.table-responsive{overflow-x:auto;border-radius:18px}
.data-panel{padding:20px;border-radius:24px;background:rgba(7,18,14,.7);border:1px solid var(--line)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}
.metric-card{padding:22px;border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid var(--line)}
.metric-card small{color:var(--muted)}
.metric-card strong{display:block;font-size:2rem;margin-top:8px}
.section-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.badge-soft{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(50,211,153,.14);border:1px solid rgba(50,211,153,.22);color:#dbfff1}
.list-group-item{background:transparent;color:var(--text);border-color:rgba(140,233,198,.08)}
.dropzone{border:2px dashed rgba(50,211,153,.25);padding:18px;border-radius:20px;background:rgba(50,211,153,.03)}
.dropzone .form-control{background:#0e1d18}
.toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:space-between;margin-bottom:16px}
.toolbar .filters{display:flex;gap:10px;flex-wrap:wrap}
.resource-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px}
.resource-card{padding:20px;border-radius:24px;background:rgba(8,18,14,.82);border:1px solid var(--line);transition:.2s}
.resource-card:hover{transform:translateY(-3px);border-color:rgba(50,211,153,.35)}
.resource-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.small-muted{color:var(--muted)!important;font-size:.92rem}
.files-list{display:grid;gap:10px;margin-top:16px}
.file-chip{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--text)}
.empty-state{padding:38px 20px;text-align:center;color:var(--muted)}
.modal{--bs-modal-zindex:2000}
.modal-dialog{max-width:min(920px, calc(100vw - 2rem));margin:1rem auto}
.modal-dialog-scrollable .modal-content{max-height:calc(100vh - 2rem)}
.modal-content{
  background:linear-gradient(180deg, rgba(10,20,16,.98), rgba(7,15,12,.98));
  color:var(--text);
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:0 30px 80px rgba(0,0,0,.45)
}
.modal-backdrop{--bs-backdrop-bg:#020403;--bs-backdrop-opacity:.78}
.modal-header,.modal-footer{border-color:rgba(130,255,198,.08)!important}
.modal-content .btn-close{filter:invert(1)}
.modal-body{overflow-y:auto}
.editor-modal .modal-body{padding:1.2rem 1.25rem}
.editor-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.editor-grid .full{grid-column:1 / -1}
.info-inline{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.info-inline .badge-soft{font-size:.88rem}
.item-actions{display:flex;gap:8px;flex-wrap:wrap}
.upload-hint{font-size:.9rem;color:var(--muted);margin-top:8px}
.files-admin-list{display:grid;gap:10px}
.file-admin-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:12px 14px;border:1px solid rgba(130,255,198,.10);background:rgba(255,255,255,.03);border-radius:16px}
.file-admin-row strong{display:block;font-size:.95rem}
.file-admin-row .meta{font-size:.86rem;color:var(--muted)}
.form-section-title{margin:0 0 10px;font-size:1rem;font-weight:800}
.table-toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px;flex-wrap:wrap}
.table-toolbar .search{min-width:260px}
.table-empty{padding:24px;text-align:center;color:var(--muted)}
.text-truncate-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media (max-width: 1100px){
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .section-grid,.auth-card,.editor-grid{grid-template-columns:1fr}
  .sidebar{position:fixed;left:-320px;z-index:1040}
}
@media (max-width: 700px){
  .main-content{padding:18px}
  .metric-grid{grid-template-columns:1fr}
  .page-header h2{font-size:1.5rem}
  .file-admin-row,.file-chip{flex-direction:column;align-items:flex-start}
}


.search-big{min-height:64px;font-size:1.1rem;font-weight:600}
.download-simple-form .filters{display:grid;grid-template-columns:1.2fr 1.2fr 1fr auto;width:100%}
.course-shortcuts{display:flex;flex-wrap:wrap;gap:12px}
.course-pill{border:none;background:rgba(50,211,153,.14);border:1px solid rgba(50,211,153,.22);color:#dbfff1;padding:12px 16px;border-radius:999px;font-weight:700}
.course-pill:hover{background:rgba(50,211,153,.24)}
.resource-card-friendly h4{font-size:1.2rem;margin-bottom:8px}
.resource-path{font-weight:700;color:#dfffee;margin-bottom:8px}
.friendly-chip{background:rgba(255,255,255,.05)}
@media (max-width: 900px){.download-simple-form .filters{grid-template-columns:1fr}}


.download-explorer-form .download-search-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:12px;
  align-items:center;
}
.explorer-helper{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.explorer-breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.crumb{
  background:rgba(255,255,255,.04);
  color:var(--text);
  border:1px solid rgba(130,255,198,.12);
  border-radius:999px;
  padding:10px 14px;
  font-weight:700;
}
.crumb.active{
  background:rgba(50,211,153,.16);
}
.crumb-sep{
  color:var(--muted);
  font-weight:800;
}
.explorer-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:18px;
}
.folder-card{
  width:100%;
  text-align:left;
  border:none;
  border-radius:24px;
  padding:22px;
  display:flex;
  gap:16px;
  align-items:center;
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.025));
  border:1px solid var(--line);
  color:var(--text);
  box-shadow:var(--shadow);
  transition:.18s ease;
}
.folder-card:hover{
  transform:translateY(-4px);
  border-color:rgba(50,211,153,.35);
}
.folder-icon{
  width:68px;
  height:68px;
  border-radius:20px;
  display:grid;
  place-items:center;
  font-size:2rem;
  background:linear-gradient(135deg, rgba(53,214,158,.22), rgba(24,181,127,.12));
  color:#cffff0;
  flex:0 0 68px;
}
.folder-content h3{
  margin:0 0 4px;
  font-size:1.08rem;
  font-weight:800;
}
.folder-content p{
  margin:0;
  color:var(--muted);
  font-weight:600;
}
@media (max-width: 800px){
  .download-explorer-form .download-search-wrap{
    grid-template-columns:1fr;
  }
}


.brand-mark-sidebar{
  align-items:center;
}
.brand-logo{
  width:100%;
  max-width:220px;
  height:auto;
  display:block;
  margin-bottom:10px;
  filter:drop-shadow(0 8px 28px rgba(0,0,0,.45));
}
.brand-mark h1{
  font-size:1.35rem;
  margin:0;
  font-weight:900;
  letter-spacing:-.02em;
}
.brand-mark small{
  color:#8ecdb1;
  font-size:.9rem;
}
.site-footer{
  margin-top:28px;
  padding:18px 10px 4px;
  text-align:center;
  color:#86aa9b;
  font-size:.92rem;
}
.site-footer a{
  color:#56e5ab;
}
.axon-login-card{
  background:
    radial-gradient(circle at left top, rgba(72,255,170,.14), transparent 28%),
    linear-gradient(145deg, rgba(12,24,20,.96), rgba(8,15,12,.98));
  border:1px solid rgba(100,255,180,.14);
  box-shadow:0 30px 80px rgba(0,0,0,.45);
}
.axon-login-left{
  position:relative;
  overflow:hidden;
}
.axon-login-left::before{
  content:"";
  position:absolute;
  inset:auto -80px -80px auto;
  width:220px;
  height:220px;
  background:radial-gradient(circle, rgba(77,255,178,.18), transparent 68%);
  pointer-events:none;
}
.axon-login-right{
  background:
    linear-gradient(180deg, rgba(19,36,29,.78), rgba(10,19,15,.92));
  border-left:1px solid rgba(120,255,190,.08);
}
.login-brand-top{
  margin-top:22px;
  margin-bottom:14px;
}
.login-logo{
  width:min(100%, 420px);
  height:auto;
  display:block;
  filter:drop-shadow(0 16px 38px rgba(0,0,0,.5));
}
.axon-login-left h1{
  font-size:3.4rem;
  margin:4px 0 14px;
  font-weight:900;
  letter-spacing:-.04em;
}
.login-panel-head h2{
  font-size:2rem;
  font-weight:800;
}
.search-big{
  background:linear-gradient(180deg, rgba(20,38,31,.95), rgba(15,28,23,.95));
}
.course-pill,.crumb,.folder-card{
  box-shadow:0 12px 30px rgba(0,0,0,.18);
}
.folder-card{
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
}
.folder-card:hover{
  box-shadow:0 18px 42px rgba(0,0,0,.26);
}
@media (max-width: 900px){
  .login-logo{
    max-width:300px;
  }
  .axon-login-left h1{
    font-size:2.6rem;
  }
}


.badge-star{
  background:rgba(255,209,102,.16);
  border-color:rgba(255,209,102,.28);
  color:#ffe8a6;
}
.content-group-block{
  margin-bottom:28px;
}
.content-group-title{
  margin:0 0 14px;
  font-size:1.15rem;
  font-weight:900;
  color:#f2fff8;
  padding:0 4px;
}
.card-material{
  border-color:rgba(53,214,158,.22);
}
.card-book{
  border-color:rgba(114,189,255,.18);
}
.files-list-minimal{
  gap:8px;
}
.file-chip-minimal{
  justify-content:flex-end;
  padding:10px 12px;
}
.file-chip-minimal .file-meta-inline{
  margin-right:auto;
  color:var(--muted);
  font-size:.88rem;
  font-weight:700;
  letter-spacing:.02em;
}


.title-star{
  color:#ffd166;
  font-weight:900;
  margin-right:6px;
  text-shadow:0 0 10px rgba(255,209,102,.25);
}


.group-block{
  margin-bottom:24px;
}
.group-block-title{
  margin:0 0 12px;
  padding:12px 14px;
  border-radius:16px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(130,255,198,.10);
  font-weight:800;
  color:#eafff6;
}
.pagination-wrap{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:18px;
}
.page-chip{
  min-width:42px;
  height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(130,255,198,.12);
  color:var(--text);
  font-weight:800;
}
.page-chip.active{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#062117;
  border-color:transparent;
}


.global-loading{
  position:fixed;
  inset:0;
  background:rgba(2,8,6,.58);
  backdrop-filter:blur(4px);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:5000;
  opacity:0;
  visibility:hidden;
  transition:.18s ease;
}
.global-loading.show{
  opacity:1;
  visibility:visible;
}
.global-loading-box{
  min-width:240px;
  padding:24px 26px;
  border-radius:22px;
  background:linear-gradient(180deg, rgba(8,22,17,.97), rgba(10,28,21,.97));
  border:1px solid rgba(130,255,198,.15);
  box-shadow:0 20px 60px rgba(0,0,0,.35);
  text-align:center;
}
.global-spinner{
  width:48px;
  height:48px;
  margin:0 auto 14px;
  border-radius:50%;
  border:4px solid rgba(255,255,255,.10);
  border-top-color:#35d69e;
  animation:spinAxon .8s linear infinite;
}
.global-loading-text{
  color:#effff8;
  font-weight:700;
  letter-spacing:.01em;
}
@keyframes spinAxon{
  to{ transform:rotate(360deg); }
}
.toast-container{
  z-index:6000;
}