:root{
  --bg:#08080a; --surface:#141419; --surface2:#1c1c24; --surface3:#26262f;
  --border:#33333e; --border2:#454452;
  --gold:#e0bb72; --gold-dim:rgba(224,187,114,.16); --gold-line:rgba(224,187,114,.4);
  --text:#f7f6f3; --text2:#aeacb6; --text3:#83818c;
  --green:#5fcf94; --red:#e8697c; --blue:#6ea3e8; --amber:#e8b84f;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  background:var(--bg); color:var(--text);
  font-family:'Inter',system-ui,-apple-system,sans-serif; font-size:14px;
  min-height:100vh; -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.serif{font-family:'Cormorant Garamond',Georgia,serif; font-weight:500; letter-spacing:.5px}
a{color:inherit;text-decoration:none}
input,select,textarea,button{font-family:inherit;font-size:14px}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{
  width:248px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{padding:22px 22px 18px;border-bottom:1px solid var(--border)}
.brand-name{font-family:'Cormorant Garamond',serif;font-size:23px;letter-spacing:3px;color:var(--gold)}
.brand-sub{font-size:10px;letter-spacing:1.6px;text-transform:uppercase;color:var(--text3);margin-top:4px}
.nav{padding:14px 12px;flex:1}
.nav-group{font-size:9.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--text3);padding:14px 10px 7px}
.nav a{
  display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:8px;
  color:var(--text2);font-size:13.5px;margin-bottom:2px;transition:.15s;border:1px solid transparent;
}
.nav a:hover{background:var(--surface2);color:var(--text)}
.nav a.active{background:var(--gold-dim);color:var(--gold);border-color:var(--gold-line)}
.nav .ic{width:17px;text-align:center;opacity:.85;flex-shrink:0}
.nav .badge-n{margin-left:auto;background:var(--red);color:#fff;font-size:10px;padding:1px 6px;border-radius:9px}
.side-foot{padding:14px;border-top:1px solid var(--border)}
.me{display:flex;align-items:center;gap:10px}
.avatar{
  width:34px;height:34px;border-radius:50%;background:var(--gold-dim);border:1px solid var(--gold-line);
  color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:12.5px;flex-shrink:0;
  object-fit:cover;
}
.me-name{font-size:13px;line-height:1.3}
.me-role{font-size:10.5px;color:var(--text3)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 28px;border-bottom:1px solid var(--border);background:var(--surface);
  position:sticky;top:0;z-index:20;
}
.page-title{font-size:25px}
.page-sub{font-size:11.5px;color:var(--text3);margin-top:2px}
.content{padding:26px 28px 60px;flex:1}
.mobile-btn{display:none}

/* ---------- Components ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.card+.card{margin-top:16px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px;flex-wrap:wrap}
.card-ttl{font-size:10.5px;letter-spacing:1.8px;text-transform:uppercase;color:var(--text2)}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(185px,1fr))}

.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;position:relative;overflow:hidden}
.kpi::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--c,var(--gold))}
.kpi-lbl{font-size:9.5px;letter-spacing:1.5px;text-transform:uppercase;color:var(--text3);margin-bottom:9px}
.kpi-val{font-family:'Cormorant Garamond',serif;font-size:36px;line-height:1;color:var(--text)}
.kpi-sub{font-size:11.5px;color:var(--text3);margin-top:5px}

.btn{
  background:var(--surface2);border:1px solid var(--border2);color:var(--text2);
  padding:8px 16px;border-radius:8px;cursor:pointer;font-size:12.5px;transition:.18s;display:inline-flex;
  align-items:center;gap:7px;
}
.btn:hover{border-color:var(--gold-line);color:var(--gold)}
.btn-gold{background:var(--gold-dim);border-color:var(--gold-line);color:var(--gold)}
.btn-gold:hover{background:rgba(201,169,97,.2)}
.btn-danger:hover{border-color:var(--red);color:var(--red)}
.btn-sm{padding:5px 11px;font-size:11.5px}

label{display:block;font-size:10.5px;letter-spacing:1.2px;text-transform:uppercase;color:var(--text3);margin-bottom:6px}
.field{margin-bottom:14px}
input[type=text],input[type=password],input[type=date],input[type=number],input[type=email],select,textarea{
  width:100%;background:var(--surface3);border:1px solid var(--border2);color:var(--text);
  padding:10px 12px;border-radius:8px;outline:none;transition:.18s;
}
input:focus,select:focus,textarea:focus{border-color:var(--gold);background:var(--surface3);box-shadow:0 0 0 3px var(--gold-dim)}
textarea{resize:vertical;min-height:90px;line-height:1.55}
input[type=file]{color:var(--text2);font-size:12.5px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>*{flex:1;min-width:170px}

table{width:100%;border-collapse:collapse}
th{
  text-align:left;font-size:9.5px;letter-spacing:1.3px;text-transform:uppercase;color:var(--text3);
  font-weight:400;padding:0 12px 9px;border-bottom:1px solid var(--border);
}
td{padding:12px;border-bottom:1px solid var(--border);font-size:13.5px;vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--surface2)}
.t-wrap{overflow-x:auto}

.tag{font-size:10.5px;padding:3px 9px;border-radius:5px;background:var(--surface3);color:var(--text2);border:1px solid var(--border2);display:inline-block}
.tag-gold{background:var(--gold-dim);color:var(--gold);border-color:var(--gold-line)}
.tag-green{background:rgba(76,175,125,.1);color:var(--green);border-color:rgba(76,175,125,.25)}
.tag-red{background:rgba(209,89,106,.1);color:var(--red);border-color:rgba(209,89,106,.25)}
.tag-blue{background:rgba(91,141,214,.1);color:var(--blue);border-color:rgba(91,141,214,.25)}

.empty{text-align:center;padding:48px 20px;color:var(--text3);font-size:13px}
.empty .big{font-size:34px;opacity:.35;margin-bottom:12px}
.flash{padding:12px 16px;border-radius:8px;margin-bottom:18px;font-size:13px}
.flash-ok{background:rgba(76,175,125,.09);border:1px solid rgba(76,175,125,.28);color:var(--green)}
.flash-err{background:rgba(209,89,106,.09);border:1px solid rgba(209,89,106,.28);color:var(--red)}
.hint{font-size:11.5px;color:var(--text3);line-height:1.6}

/* ---------- Modal ---------- */
.modal-bg{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:100;
  align-items:flex-start;justify-content:center;padding:44px 18px;overflow-y:auto;backdrop-filter:blur(2px);
}
.modal-bg.open{display:flex}
.modal{background:var(--surface);border:1px solid var(--border2);border-radius:12px;padding:26px;width:100%;max-width:560px}
.modal h3{font-size:21px;margin-bottom:18px;color:var(--gold)}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-box{width:100%;max-width:390px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:38px 34px}
.login-box .brand-name{font-size:29px;text-align:center}
.login-box .brand-sub{text-align:center;margin-bottom:28px}
.login-box .btn{width:100%;justify-content:center;padding:11px}

/* ---------- Explorer ---------- */
.crumbs{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:12.5px;color:var(--text3);margin-bottom:16px}
.crumbs a:hover{color:var(--gold)}
.fs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}
.fs-item{
  background:var(--surface2);border:1px solid var(--border);border-radius:9px;padding:16px 12px;text-align:center;
  transition:.16s;position:relative;
}
.fs-item:hover{border-color:var(--gold-line);background:var(--surface3)}
.fs-ic{font-size:29px;margin-bottom:9px;opacity:.85}
.fs-name{font-size:12.5px;word-break:break-word;line-height:1.4}
.fs-meta{font-size:10.5px;color:var(--text3);margin-top:5px}
.fs-del{position:absolute;top:6px;right:7px;color:var(--text3);font-size:13px;opacity:0;transition:.15s;cursor:pointer;background:none;border:none}
.fs-item:hover .fs-del{opacity:1}
.fs-del:hover{color:var(--red)}

/* ---------- Training ---------- */
.course-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:.18s;display:block}
.course-card:hover{border-color:var(--gold-line);transform:translateY(-2px)}
.course-cover{height:112px;background:linear-gradient(135deg,rgba(201,169,97,.16),rgba(201,169,97,.03));display:flex;align-items:center;justify-content:center;font-size:34px;opacity:.85}
.course-body{padding:16px}
.course-ttl{font-family:'Cormorant Garamond',serif;font-size:19px;margin-bottom:6px}
.course-desc{font-size:12.5px;color:var(--text2);line-height:1.55}
.progress{height:4px;background:var(--border);border-radius:3px;overflow:hidden;margin-top:13px}
.progress i{display:block;height:100%;background:var(--gold);border-radius:3px}
.lesson-row{
  display:flex;align-items:center;gap:13px;padding:13px 15px;border:1px solid var(--border);
  border-radius:9px;margin-bottom:9px;background:var(--surface2);transition:.15s;
}
.lesson-row:hover{border-color:var(--gold-line)}
.lesson-num{width:26px;height:26px;border-radius:50%;background:var(--surface3);color:var(--text3);display:flex;align-items:center;justify-content:center;font-size:11.5px;flex-shrink:0}
.lesson-num.done{background:rgba(76,175,125,.15);color:var(--green)}

.embed-frame{width:100%;height:78vh;border:1px solid var(--border);border-radius:10px;background:#fff}

@media(max-width:900px){
  .sidebar{position:fixed;left:-260px;z-index:60;transition:.25s;box-shadow:0 0 40px rgba(0,0,0,.6)}
  .sidebar.open{left:0}
  .mobile-btn{display:inline-flex}
  .content{padding:18px 15px 50px}
  .topbar{padding:14px 15px}
  .page-title{font-size:21px}
}