/* KEY Studio — panel de gestión */
@font-face{font-family:"Bricolage";src:url(../player/fonts/bricolage.woff2) format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"Figtree";src:url(../player/fonts/figtree.woff2) format("woff2");font-weight:300 900;font-display:swap}
@font-face{font-family:"Figtree";src:url(../player/fonts/figtree-ext.woff2) format("woff2");font-weight:300 900;font-display:swap;unicode-range:U+0100-02BA,U+1E00-1E9F}
:root{--ink:#18203A;--ink-2:#4A5372;--ink-3:#7C84A0;--paper:#F2F4F9;--surface:#fff;--line:#DDE2EE;--line-2:#C9D0E2;--cobalt:#2E48D6;--cobalt-2:#2238B3;--cobalt-soft:#E9ECFF;--marker:#FFD84A;--marker-soft:#FFF3BF;--mint:#138A68;--mint-soft:#DDF5EC;--rose:#D93A49;--rose-soft:#FDE6E8;--red-tag:#E8352E;--f-d:"Bricolage",system-ui,sans-serif;--f-b:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;--sh:0 1px 0 rgba(24,32,58,.05),0 2px 8px rgba(24,32,58,.05)}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{background:var(--paper);color:var(--ink);font:400 15px/1.5 var(--f-b);-webkit-font-smoothing:antialiased}
a{color:var(--cobalt)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:2px;border-radius:6px}
svg.i{width:1.15em;height:1.15em;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.2em}
svg.i.flip{transform:rotate(180deg)}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.muted{color:var(--ink-2)}.small{font-size:13px}.center{text-align:center}.nowrap{white-space:nowrap}.num{text-align:right;font-variant-numeric:tabular-nums}
code{font-size:12.5px;background:var(--paper);padding:1px 6px;border-radius:5px}
h1,h2,h3{font-family:var(--f-d);letter-spacing:-.01em;margin:0 0 8px}
h1{font-size:30px;font-weight:750}h2{font-size:20px;display:flex;gap:8px;align-items:center}h3{font-size:17px;display:flex;gap:8px;align-items:center}

.app{display:grid;grid-template-columns:232px 1fr;min-height:100vh}
.nav{background:var(--ink);color:#fff;padding:18px 12px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.logo{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-family:var(--f-d);font-weight:750;font-size:19px;padding:4px 8px 22px}
.tag{background:var(--red-tag);color:#fff;border-radius:6px;padding:2px 7px;font-family:var(--f-d);font-weight:800;font-size:14px}
.nav nav{display:flex;flex-direction:column;gap:2px}
.nav nav a{display:flex;gap:10px;align-items:center;color:#C5CBE0;text-decoration:none;padding:9px 10px;border-radius:10px;font-weight:600}
.nav nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.nav nav a.on{background:rgba(255,255,255,.12);color:#fff}
.me{margin-top:auto;display:flex;align-items:center;gap:6px;padding-top:12px;border-top:1px solid rgba(255,255,255,.1)}
.me .who{display:flex;gap:10px;align-items:center;color:#fff;text-decoration:none;flex:1;min-width:0;padding:6px;border-radius:10px}
.me .who:hover{background:rgba(255,255,255,.07)}
.me .who b{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me .who small{color:#9BA3BF;font-size:12px}
.me .av{width:32px;height:32px;border-radius:50%;background:var(--marker);color:var(--ink);display:grid;place-items:center;font-weight:800;flex:none}
.me .out{color:#9BA3BF;padding:8px}
.main{min-width:0}
.mtop{display:none}
.page{max-width:1180px;margin:0 auto;padding:28px 32px 80px}
.page.narrow{max-width:860px}
.phead{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:flex-end;margin-bottom:20px}
.phead p{margin:0}
.unit-head .ut{display:flex;gap:16px;align-items:center}
.unum{display:inline-grid;place-items:center;min-width:44px;height:30px;padding:0 8px;border-radius:8px;background:var(--ink);color:#fff;font-family:var(--f-d);font-weight:800}
.unum.big{min-width:64px;height:64px;border-radius:16px;font-size:24px;background:var(--red-tag)}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.actions form{margin:0}
.alert{margin:16px 32px 0;padding:12px 16px;border-radius:12px;font-weight:600}
.page .alert,.auth .alert{margin:0 0 14px}
.alert.ok{background:var(--mint-soft);color:#0b5c45}
.alert.err{background:var(--rose-soft);color:#9b1c28}
.alert.warn{background:var(--marker-soft);color:#6b5200}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;border:0;background:var(--cobalt);color:#fff;font-weight:700;cursor:pointer;text-decoration:none;box-shadow:0 2px 0 var(--cobalt-2);white-space:nowrap;transition:background .15s,opacity .15s}
.btn:hover{background:var(--cobalt-2)}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn.ghost{background:var(--surface);color:var(--ink);box-shadow:0 1px 0 var(--line-2);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--paper)}
.btn.danger{color:var(--rose)}
.btn.sm{height:32px;font-size:13.5px;padding:0 12px}
.btn.block{width:100%}
.ib{width:34px;height:34px;display:inline-grid;place-items:center;border-radius:9px;border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--ink-2)}
.ib:hover{background:var(--paper);color:var(--ink)}
.ib[disabled]{opacity:.35;cursor:not-allowed}
.ib.danger:hover{color:var(--rose)}
.ib.playing{background:var(--ink);color:#fff}
.inline{display:inline}

.card{background:var(--surface);border-radius:16px;padding:20px;box-shadow:var(--sh);margin-bottom:16px}
.card.flush{padding:0;overflow:auto}
.cols{display:grid;grid-template-columns:1.25fr 1fr;gap:16px;align-items:start}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px 16px}
.form label{display:flex;flex-direction:column;gap:5px;font-weight:650;font-size:14px;margin-bottom:12px}
.form label small{font-weight:500;color:var(--ink-2);font-size:12.5px}
.form input:not([type=radio]):not([type=checkbox]),.form select,.form textarea{height:42px;border:1px solid var(--line-2);border-radius:10px;padding:0 12px;background:#fff;font-weight:500;width:100%}
.form textarea{height:auto;padding:10px 12px}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--cobalt);box-shadow:0 0 0 3px var(--cobalt-soft)}
.form fieldset{border:0;padding:0;margin:0 0 14px}
.form legend{font-weight:750;margin-bottom:6px}
.form .radio label,.form label.check{flex-direction:row;align-items:flex-start;gap:10px;font-weight:500;padding:10px;border:1px solid var(--line);border-radius:12px;margin-bottom:8px}
.form .radio label input,.form label.check input{margin-top:4px}
.row-acts{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}
.form details{margin:10px 0 14px}
.form summary{cursor:pointer;font-weight:700;margin-bottom:10px}
.test-text{flex:1;min-width:200px;height:40px!important}

.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:12.5px;color:var(--ink-2);font-weight:700;padding:12px 14px;border-bottom:1px solid var(--line);background:#FAFBFD;position:sticky;top:0}
.tbl td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tr.off td{opacity:.55}
.tbl tr.current td{background:#F7F9FF}
.tbl.compact td{padding:7px 0;border:0}
.tbl .total td{font-weight:800;border-top:1px solid var(--line)}
.tbl td.acts{text-align:right;white-space:nowrap}
.tbl td.acts .ib,.tbl td.acts form,.tbl td.acts .btn{margin-left:4px}
.tbl .txt b{display:block;font-weight:650}
.tbl .txt small,.tbl .st small{display:block;font-size:12px}
.chip{display:inline-flex;align-items:center;font-size:12px;font-weight:750;border-radius:999px;padding:3px 10px;background:var(--paper);color:var(--ink-2)}
.chip.ok{background:var(--mint-soft);color:var(--mint)}
.chip.warn{background:var(--marker-soft);color:#7a5d00}
.chip.err{background:var(--rose-soft);color:var(--rose)}
.chip.busy{background:var(--cobalt-soft);color:var(--cobalt)}
.chip.role-admin{background:var(--ink);color:#fff}
.chip.role-editor{background:var(--cobalt-soft);color:var(--cobalt-2)}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:0 0 20px;overflow-x:auto}
.tabs a{padding:10px 14px;text-decoration:none;color:var(--ink-2);font-weight:700;border-bottom:3px solid transparent;white-space:nowrap}
.tabs a[aria-selected=true]{color:var(--ink);border-bottom-color:var(--cobalt)}

.drop{margin-bottom:18px}
.drop-in{display:flex;gap:16px;align-items:center;padding:22px;border:2px dashed var(--line-2);border-radius:16px;background:var(--surface);cursor:pointer;transition:border-color .15s,background .15s}
.drop-in.slim{padding:12px 16px;gap:10px;font-size:14px}
.drop-in:hover,.drop.over .drop-in{border-color:var(--cobalt);background:var(--cobalt-soft)}
.drop-ic{width:52px;height:52px;border-radius:14px;background:var(--cobalt-soft);color:var(--cobalt);display:grid;place-items:center;flex:none}
.drop-ic svg.i{width:24px;height:24px}
.drop.busy .drop-in{opacity:.6;pointer-events:none}
.drop.mini{margin:10px 0 6px}

.units{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.ucard{display:block;background:var(--surface);border-radius:18px;padding:20px;box-shadow:var(--sh);text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}
.ucard:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(24,32,58,.10)}
.ucard .utop{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.ucard h2{font-size:22px;margin:0 0 2px}
.ucard p{margin:0 0 12px;font-size:13.5px}
.ucard .foot{margin:12px 0 0;font-size:12.5px}
.badge{font-size:12px;font-weight:800;color:var(--ink-2);background:var(--paper);border-radius:6px;padding:2px 8px}
.meter{display:grid;grid-template-columns:62px 1fr 52px;gap:10px;align-items:center;font-size:13px;font-weight:650;margin-top:6px}
.meter i{height:8px;border-radius:9px;background:var(--paper);overflow:hidden;display:block}
.meter b{display:block;height:100%;background:var(--mint);border-radius:9px}
.meter em{font-style:normal;color:var(--ink-2);text-align:right;font-variant-numeric:tabular-nums}
.empty-state{text-align:center;padding:60px 20px;color:var(--ink-2)}
.empty-state svg.i{width:40px;height:40px;color:var(--ink-3)}
.empty-state h1,.empty-state h2{color:var(--ink);margin-top:10px}

.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:16px}
.stat{background:var(--surface);border-radius:14px;padding:14px 16px;box-shadow:var(--sh);border-top:4px solid var(--line)}
.stat b{display:block;font-family:var(--f-d);font-size:28px;line-height:1.1}
.stat span{font-size:13px;color:var(--ink-2);font-weight:600}
.stat.ok{border-top-color:var(--mint)}.stat.warn{border-top-color:var(--marker)}
.tree{margin:0;padding-left:20px}
.tree>li{margin-bottom:10px}
.tree ul{list-style:none;padding:4px 0 0;margin:0}
.tree ul li{padding:3px 0;font-size:14px}
.kind{display:inline-block;font-size:11px;font-weight:800;border-radius:5px;padding:1px 6px;margin-right:4px;background:var(--paper);color:var(--ink-2);min-width:68px;text-align:center}
.kind.k-exercise{background:var(--cobalt-soft);color:var(--cobalt-2)}
.kind.k-speaking{background:var(--marker-soft);color:#7a5d00}
.issues{margin:6px 0 0;padding-left:20px;font-size:14px}
.issues li{margin-bottom:4px}
.issues.err li::marker{color:var(--rose)}
.issues.warn li::marker{color:#c9a300}
.ok-t{color:var(--mint);font-weight:650;display:flex;gap:8px;align-items:center}
.err-t{color:var(--rose)}
.steps{padding-left:22px;margin:0}
.steps li{margin-bottom:8px}
.steps li.done{color:var(--ink-3);text-decoration:line-through}
.steps.plain li{text-decoration:none}

.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.tb-left{display:flex;gap:8px;flex-wrap:wrap}
.filter{display:flex;gap:4px;background:var(--paper);border-radius:999px;padding:3px}
.filter button{border:0;background:none;height:30px;padding:0 12px;border-radius:999px;font-weight:700;font-size:13px;color:var(--ink-2);cursor:pointer}
.filter button[aria-selected=true]{background:var(--surface);color:var(--ink);box-shadow:var(--sh)}
.progress{flex-basis:100%;display:flex;align-items:center;gap:12px;font-size:13px;font-weight:650;color:var(--ink-2)}
.progress i{flex:1;height:8px;border-radius:9px;background:var(--paper);overflow:hidden}
.progress b{display:block;height:100%;width:0;background:var(--cobalt);transition:width .3s}
.audios tr.busy td{background:#F7F9FF}
.audios tr.flash td{animation:flash 1.2s}
@keyframes flash{from{background:var(--mint-soft)}}
.lead{max-width:80ch;margin:0 0 16px}

.mcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(440px,1fr));gap:16px}
.mcard{margin:0}
.mcard header{display:flex;gap:12px;align-items:flex-start;margin-bottom:10px}
.mcard .mid{display:inline-flex;gap:6px;align-items:center;background:var(--ink);color:#fff;border-radius:8px;padding:4px 10px;font-weight:800;font-size:13px;flex:none}
.mcard .mt{flex:1;min-width:0}
.mcard h3{font-size:16px;margin:0}
.mcard .mt p{margin:2px 0 0}
.player video{width:100%;border-radius:12px;background:#000;aspect-ratio:16/9}
.player audio{width:100%}
.player p{margin:4px 0 0}
.subs{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}
.subs-head{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.cue-editor{margin-top:10px;max-height:420px;overflow:auto;border:1px solid var(--line);border-radius:12px}
.cue-row{display:grid;grid-template-columns:auto 84px 84px 1fr auto;gap:8px;align-items:center;padding:8px 10px;border-bottom:1px solid var(--line);font-size:13.5px}
.cue-row.on{background:var(--marker-soft)}
.cue-row input{height:32px;border:1px solid var(--line-2);border-radius:8px;padding:0 8px;width:100%;font-variant-numeric:tabular-nums}
.cue-row .who{font-weight:800;color:var(--ink-2);margin-right:6px}
.cue-tools{position:sticky;bottom:0;background:#fff;display:flex;flex-wrap:wrap;gap:8px;padding:10px;border-top:1px solid var(--line);align-items:center}
.script{margin-top:12px;font-size:14px}
.script summary{cursor:pointer;font-weight:700;color:var(--ink-2)}
.script ol{padding-left:20px}
.script li{margin-bottom:8px}
.danger-zone{display:flex;justify-content:space-between;align-items:center;gap:16px;border:1px solid var(--rose-soft)}
.danger-zone p{margin:0}
.vmap{display:grid;gap:8px;margin-bottom:8px}
.vrow{display:grid;grid-template-columns:1fr 1fr auto auto;gap:8px;align-items:center}
.vrow input{height:40px;border:1px solid var(--line-2);border-radius:10px;padding:0 10px}
.copy{display:flex;gap:8px;margin-top:8px}
.copy input{flex:1;height:36px;border:1px solid var(--line-2);border-radius:8px;padding:0 10px;font-size:13px}
.report h3{margin-bottom:10px}
.pager{display:flex;gap:8px;justify-content:center;margin-top:14px}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,30px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;font-weight:650;opacity:0;transition:all .25s;z-index:99;max-width:min(560px,calc(100% - 32px))}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{background:var(--rose)}
body.busy{cursor:progress}

/* acceso */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 15% 10%,#E4E8FF 0,transparent 40%),radial-gradient(circle at 90% 90%,#FFF3BF 0,transparent 35%),var(--paper)}
.auth-card{width:min(420px,100%);background:#fff;border-radius:22px;padding:30px;box-shadow:0 20px 60px rgba(24,32,58,.12)}
.auth-card.wide{width:min(720px,100%)}
.auth-brand{font-family:var(--f-d);font-weight:800;font-size:20px;margin-bottom:22px;display:flex;align-items:center;gap:8px}
.auth h1{font-size:26px}
.checks{list-style:none;padding:0;columns:2;font-size:13.5px;margin:0 0 16px}
.checks .ok{color:var(--mint)}.checks .ko{color:var(--rose);font-weight:700}

@media (max-width:980px){
  .app{grid-template-columns:1fr}
  .nav{position:fixed;left:0;top:0;bottom:0;width:250px;z-index:50;transform:translateX(-105%);transition:transform .25s}
  .nav.open{transform:none}
  .mtop{display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
  .page{padding:20px 16px 60px}
  .cols,.grid2,.grid3{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .mcards{grid-template-columns:1fr}
  .alert{margin:12px 16px 0}
  .tbl.audios td:nth-child(3),.tbl.audios th:nth-child(3){display:none}
}

/* logo */
.logo-img{display:block;background:#fff;border-radius:12px;padding:10px 12px;margin:0 2px 14px}
.logo-img img{display:block;max-width:100%;max-height:48px;margin:0 auto;object-fit:contain}
.auth-logo{display:block;max-height:60px;max-width:240px;object-fit:contain;margin:0 0 18px}
.logo-row{display:grid;grid-template-columns:200px 1fr;gap:16px;align-items:start}
.logo-prev{height:96px;border:1px dashed var(--line-2);border-radius:12px;display:grid;place-items:center;padding:10px;background:repeating-conic-gradient(#f5f6fa 0 25%,#fff 0 50%) 0 0/16px 16px}
.logo-prev img{max-width:100%;max-height:76px;object-fit:contain}
@media (max-width:980px){.logo-row{grid-template-columns:1fr}}