/* ============================================================
   Kolab Training Hub — styles
   type: Sora (display) + Inter (UI)
   ============================================================ */

:root{
  --bg:#f2f3f8;
  --panel:#ffffff;
  --ink:#171a2e;
  --muted:#636b85;
  --line:#e4e7f0;
  --brand:#4f46e5;
  --brand-deep:#4338ca;
  --brand-2:#7c3aed;
  --side:#12152b;
  --side-ink:#9aa0c6;
  --star:#f59e0b;
  --ok:#15803d;
  --danger:#dc2626;
  --radius:14px;
  --shadow:0 10px 30px -14px rgba(23,25,60,.25);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font:400 14.5px/1.55 Inter,system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
a{color:var(--brand-deep)}
h1,h2,h3{font-family:Sora,Inter,sans-serif;line-height:1.25}
.hide{display:none !important}
.sub{color:var(--muted);font-size:12.5px}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font:600 13.5px Inter;padding:9px 14px;border-radius:10px;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background .15s,border-color .15s,color .15s;
}
.btn:hover{border-color:#c6cbdf;background:#f7f8fc}
.btn svg{flex:0 0 auto}
.btn.sm{padding:6px 10px;font-size:12.5px;border-radius:8px;gap:6px}
.btn.full{width:100%;justify-content:center}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep)}
.btn-danger{background:#fff;border-color:#f3c6c6;color:var(--danger)}
.btn-danger:hover{background:#fef2f2;border-color:#ecaaaa}
.btn.dark{background:rgba(255,255,255,.12);border-color:transparent;color:#fff}
.btn.dark:hover{background:rgba(255,255,255,.22)}

.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;border:1px solid var(--line);
  background:#fff;cursor:pointer;color:var(--muted);
  transition:background .15s,color .15s,border-color .15s;
}
.icon-btn:hover{color:var(--ink);background:#f4f5fb;border-color:#c6cbdf}
.icon-btn.xs{width:27px;height:27px;border-radius:7px}
.icon-btn.danger:hover{color:var(--danger);background:#fef2f2;border-color:#ecaaaa}
.icon-btn.dark{background:rgba(255,255,255,.12);border:0;color:#fff}
.icon-btn.dark:hover{background:rgba(255,255,255,.24)}

/* ---------------- login ---------------- */
body.auth{
  min-height:100vh;display:grid;place-items:center;padding:20px;
  background:
    radial-gradient(900px 480px at 85% -10%, #e3e0ff 0%, transparent 60%),
    radial-gradient(760px 480px at -10% 110%, #ffe0ef 0%, transparent 55%),
    var(--bg);
}
.auth-card{
  display:grid;grid-template-columns:1.05fr 1fr;width:100%;max-width:880px;
  background:#fff;border-radius:24px;overflow:hidden;
  box-shadow:0 44px 90px -34px rgba(32,22,88,.4);
}
.auth-brand{
  background:linear-gradient(150deg,#4f46e5 0%,#6d28d9 56%,#be2a7f 125%);
  color:#fff;padding:46px 42px;display:flex;flex-direction:column;gap:22px;
}
.auth-brand .mark{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font:800 20px Sora;color:#4338ca;background:#fff;flex:0 0 auto;
}
.auth-brand h1{font-size:27px;font-weight:700;letter-spacing:-.01em}
.auth-brand .tag{color:#ddd9ff;font-size:14.5px;max-width:32ch}
.auth-feats{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:6px}
.auth-feats li{display:flex;gap:10px;align-items:center;font:500 13.5px Inter;color:#eceafe}
.auth-feats svg{color:#c7f9d9;flex:0 0 auto}
.auth-form{padding:46px 42px;display:flex;flex-direction:column;justify-content:center}
.auth-form h2{font-size:21px;margin-bottom:6px}
.auth-form .lead{color:var(--muted);font-size:13.5px;margin-bottom:24px}
.form-err{
  display:none;background:#fef2f2;border:1px solid #f3c6c6;color:#b42323;
  font:500 13px Inter;padding:9px 12px;border-radius:10px;margin-bottom:14px;
}
.form-err.show{display:block}

/* ---------------- app shell ---------------- */
body.app{display:flex;min-height:100vh}
.side{
  flex:0 0 236px;background:var(--side);color:var(--side-ink);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.side .brand{display:flex;align-items:center;gap:11px;padding:20px 18px 16px;color:#fff}
.side .brand .logo-mark{width:36px;height:36px;border-radius:10px;font-size:17px;background:linear-gradient(135deg,#6366f1,#a855f7);color:#fff}
.side .brand b{font:700 15.5px Sora;display:block}
.side .brand span{display:block;font:500 11px Inter;color:#8e95c4;letter-spacing:.02em}
.side nav{padding:8px 0;flex:1;overflow:auto}
.nav-item{
  display:flex;align-items:center;gap:11px;margin:2px 10px;padding:10px 13px;
  border-radius:11px;color:var(--side-ink);font:500 13.5px Inter;
  text-decoration:none;transition:background .15s,color .15s;
}
.nav-item svg{flex:0 0 auto}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-item.on{
  color:#fff;background:linear-gradient(95deg,rgba(99,102,241,.95),rgba(139,92,246,.88));
  box-shadow:0 8px 18px -8px rgba(99,102,241,.7);
}
.side-foot{padding:14px 18px;font:500 11px Inter;color:#5d6390;border-top:1px solid rgba(255,255,255,.07)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 30px 0;
}
.topbar h1{font-size:21px;font-weight:700;letter-spacing:-.01em}
.userchip{display:flex;align-items:center;gap:10px}
.chip-card{
  display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:5px 13px 5px 6px;
}
.avatar{
  width:29px;height:29px;border-radius:999px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#a855f7);color:#fff;font:700 12.5px Sora;
}
.avatar.sm{width:26px;height:26px;font-size:11.5px}
.chip-card b{font:600 13px Inter;display:block;line-height:1.2}
.chip-card i{font:500 10.5px Inter;font-style:normal;color:var(--muted);display:block}

.view{padding:18px 30px 56px;width:100%;max-width:1180px}

.loading{display:grid;place-items:center;padding:80px 0}
.spin{width:27px;height:27px;border:3px solid #dfe2f0;border-top-color:var(--brand);border-radius:50%;animation:rot .8s linear infinite}
@keyframes rot{to{transform:rotate(360deg)}}

/* ---------------- section header ---------------- */
.sect-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:8px 0 18px}
.sect-head h2{font-size:16.5px}
.sect-head p{color:var(--muted);font-size:13px;margin-top:3px;max-width:62ch}
.sect-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* segmented control */
.seg{display:inline-flex;background:#e9ebf4;border-radius:999px;padding:4px;gap:2px}
.seg button{
  all:unset;padding:7px 16px;border-radius:999px;cursor:pointer;
  font:600 12.5px Inter;color:var(--muted);transition:background .15s,color .15s;
}
.seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 5px rgba(16,24,40,.14)}

/* ---------------- cards grid ---------------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:18px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  display:flex;flex-direction:column;transition:box-shadow .18s,border-color .18s;
}
.card:hover{box-shadow:var(--shadow);border-color:#d6daea}
.thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:#edeff7}
.thumb.ph{display:flex;align-items:center;justify-content:center;font:700 34px Sora;color:#fff;
  background:linear-gradient(135deg,hsl(var(--h) 68% 55%),hsl(calc(var(--h) + 42) 68% 44%))}
.card-body{padding:14px 16px 15px;display:flex;flex-direction:column;gap:7px;flex:1}
.card-title{font:600 14.5px Inter}
.card-desc{color:var(--muted);font-size:12.8px;min-height:1em}
.card-meta{color:var(--muted);font-size:11.5px;margin-top:auto;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.card-actions{display:flex;gap:8px;align-items:center;padding-top:9px;border-top:1px solid var(--line);margin-top:4px}
.card-actions .btn{flex:1;justify-content:center}

/* ---------------- tables ---------------- */
.table-wrap{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:560px}
th{
  text-align:left;font:600 11px Inter;letter-spacing:.07em;text-transform:uppercase;
  color:var(--muted);background:#fafbfe;padding:11px 14px;border-bottom:1px solid var(--line);
  position:sticky;top:0;white-space:nowrap;
}
td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:#fafbff}
.row-actions{display:flex;gap:7px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
.mini-thumb{width:52px;height:34px;border-radius:7px;object-fit:cover;background:#edeff7}
.mini-thumb.ph{display:flex;align-items:center;justify-content:center;font:700 14px Sora;color:#fff;
  background:linear-gradient(135deg,hsl(var(--h) 68% 55%),hsl(calc(var(--h) + 42) 68% 44%))}

/* badges & chips */
.badge{display:inline-block;font:700 10.5px Inter;letter-spacing:.06em;padding:4px 8px;border-radius:7px}
.badge.pdf{background:#fee2e2;color:#b91c1c}
.badge.html{background:#dbeafe;color:#1d4ed8}
.badge.ppt{background:#ffedd5;color:#c2410c}
.chip{display:inline-block;font:600 11.5px Inter;padding:4px 10px;border-radius:999px}
.chip.yes{background:#dcfce7;color:#15803d}
.chip.no{background:#fee2e2;color:#b91c1c}

.pw{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;letter-spacing:.04em}

/* ---------------- empty & notes ---------------- */
.empty{
  padding:52px 24px;text-align:center;color:var(--muted);
  border:1.5px dashed #d4d8e8;border-radius:16px;background:#fbfbfe;
}
.empty b{display:block;color:var(--ink);font:600 15px Inter;margin-bottom:5px}
.note{color:var(--muted);font-size:12.5px;margin-top:12px}

/* ---------------- forms ---------------- */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:15px}
.field > label{font:600 12.5px Inter;color:#3b4262}
input[type=text],input[type=password],input[type=url],textarea,select{
  width:100%;border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;
  font:400 14px Inter;background:#fff;outline:0;color:var(--ink);
  transition:border-color .13s,box-shadow .13s;
}
input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.14)}
textarea{min-height:96px;resize:vertical}
.pw-wrap{position:relative}
.pw-wrap input{padding-right:42px}
.pw-wrap .icon-btn{position:absolute;right:5px;top:50%;transform:translateY(-50%);border:0;background:transparent}

.filepick{
  display:flex;align-items:center;gap:9px;border:1.5px dashed #c9cde2;border-radius:10px;
  padding:10px 12px;cursor:pointer;color:var(--muted);font:500 13px Inter;background:#fbfbfe;
  transition:border-color .13s,color .13s;
}
.filepick:hover{border-color:var(--brand);color:var(--brand-deep)}
.img-prev{width:148px;border-radius:10px;border:1px solid var(--line);margin-top:9px}

/* ---------------- stars & yes/no ---------------- */
.stars.input{display:inline-flex;gap:5px}
.stars.input button{
  all:unset;cursor:pointer;font-size:27px;line-height:1;color:#d6d9e6;
  transition:color .12s,transform .08s;
}
.stars.input button.on{color:var(--star)}
.stars.input button:hover{transform:scale(1.14)}
.stars-view{font-size:14px;letter-spacing:2px;color:#d6d9e6;white-space:nowrap}
.stars-view b{color:var(--star);font-weight:400}

.q-block{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:13px}
.q-block .q-label{font:600 14px Inter;margin-bottom:10px}
.fb-wrap{max-width:640px}
.fb-done{display:flex;align-items:center;gap:8px;color:var(--ok);font:600 13px Inter;margin-top:12px}

/* ---------------- summary cards ---------------- */
.sum-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:13px;margin-bottom:20px}
.sum-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.sum-card .k{font:600 11.5px Inter;color:var(--muted);margin-bottom:5px}
.sum-card .v{font:700 21px Sora;letter-spacing:-.01em}
.sum-card .v .u{font:600 12px Inter;color:var(--muted);margin-left:3px}

/* ---------------- share list ---------------- */
.share-row{
  display:flex;align-items:center;gap:11px;padding:9px 10px;border-radius:11px;cursor:pointer;
  border:1px solid transparent;
}
.share-row:hover{background:#f6f7fc}
.share-row input{width:16px;height:16px;accent-color:var(--brand)}
.share-row .who b{display:block;font:600 13px Inter}
.share-row .who i{font:400 11.5px Inter;font-style:normal;color:var(--muted)}

/* ---------------- modal ---------------- */
.overlay{
  position:fixed;inset:0;background:rgba(15,17,34,.56);backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;z-index:60;padding:18px;
}
.modal{
  background:#fff;border-radius:18px;width:100%;max-width:470px;max-height:92vh;
  display:flex;flex-direction:column;box-shadow:0 34px 80px -22px rgba(0,0,0,.5);
  animation:pop .16s ease;
}
.modal.wide{max-width:600px}
@keyframes pop{from{transform:scale(.96);opacity:0}}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px 2px}
.modal-head h3{font-size:16.5px}
.modal-body{padding:15px 20px 6px;overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:10px 20px 18px}
.confirm-p{color:var(--muted);font-size:14px}

/* ---------------- toast ---------------- */
#toasts{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;z-index:90;align-items:center;pointer-events:none}
.toast{
  background:#1a1e38;color:#fff;padding:11px 18px;border-radius:12px;font:500 13.5px Inter;
  opacity:0;transform:translateY(8px);transition:opacity .25s,transform .25s;
  box-shadow:0 14px 34px -10px rgba(0,0,0,.5);max-width:min(480px,86vw);text-align:center;
}
.toast.show{opacity:1;transform:none}
.toast.err{background:#b31f1f}

/* ---------------- in-app viewer ---------------- */
.viewer{position:fixed;inset:0;z-index:70;display:flex;flex-direction:column;background:#0e1020}
.viewer header{display:flex;align-items:center;gap:12px;padding:10px 14px;color:#fff}
.viewer .vtitle{font:600 14px Inter;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.viewer .hint{display:none;font:400 12px Inter;color:#9aa0c6}
.viewer .hint.show{display:inline}
.vstage{position:relative;flex:1;background:#fff}
.vstage iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vload{position:absolute;inset:0;display:grid;place-items:center;background:#0e1020;z-index:1}
.vload .spin{border-color:#2b2f55;border-top-color:#8e92f8}

/* ---------------- responsive ---------------- */
@media (max-width:880px){
  body.app{flex-direction:column}
  .side{flex:none;height:auto;position:static;width:100%}
  .side nav{display:flex;overflow-x:auto;padding:4px 6px 10px}
  .nav-item{flex:0 0 auto;margin:2px 4px;padding:9px 12px}
  .side-foot{display:none}
  .topbar,.view{padding-left:16px;padding-right:16px}
  .auth-card{grid-template-columns:1fr}
  .auth-brand{padding:30px 26px;gap:14px}
  .auth-feats{display:none}
  .auth-form{padding:30px 26px 36px}
  table{min-width:640px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}