/* ═══════════════════════════════════════════════════════════════════════════
   TestingAsking · Panel de administración — estilo alineado a testingasking.com
   Identidad de la web: fondo claro cálido (#fff7de→#fafafa→#fff), tinta #151515,
   amarillo #FFC107, rojo #E71D2B, verde #13A538, firma de resaltador amarillo.
   Tipos: Sora (títulos) · Plus Jakarta Sans (texto) · Spline Sans Mono (datos).
   ═══════════════════════════════════════════════════════════════════════════ */

:root{
  --yellow:#ffc107;
  --yellow-2:#ffe08a;
  --yellow-tinte:rgba(255,193,7,.16);
  --red:#e71d2b;
  --green:#13a538;
  --black:#151515;
  --ink:#222222;
  --gray:#676767;
  --soft:#fafafa;
  --white:#ffffff;
  --card:#fff9e9;                 /* fichas cálidas como en la landing */
  --line:rgba(21,21,21,.12);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --rail:236px;
  --shadow:0 18px 60px rgba(21,21,21,.10);
  --f-display:"Sora", system-ui, sans-serif;
  --f-body:"Plus Jakarta Sans", system-ui, sans-serif;
  --f-mono:"Spline Sans Mono", ui-monospace, monospace;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}

/* Regla clave: nada con [hidden] se pinta jamás (login y app son pantallas
   EXCLUYENTES; antes .app{display:grid} pisaba el atributo hidden). */
[hidden]{display:none !important}

body{
  background:
    radial-gradient(circle at 10% 0%, rgba(255,193,7,.20), transparent 30%),
    radial-gradient(circle at 90% 12%, rgba(231,29,43,.14), transparent 28%),
    linear-gradient(180deg,#fff7de 0%,#fafafa 34%,#ffffff 100%);
  background-attachment:fixed;
  color:var(--black);
  font-family:var(--f-body);
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
::selection{background:var(--yellow);color:var(--black)}

h1,h2,h3{font-family:var(--f-display);letter-spacing:-.01em;margin:0}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}

/* ── Firma de la web: trazo de resaltador ──────────────────────────────── */
.hl{position:relative;display:inline-block;padding:0 .18em;white-space:nowrap}
.hl i{position:relative;font-style:normal;z-index:1}
.hl-swipe{position:absolute;inset:auto 0 -2px 0;height:.62em;width:100%;z-index:0}
.hl-swipe path{
  fill:none;stroke:var(--yellow);stroke-width:14;stroke-linecap:round;opacity:.95;
  stroke-dasharray:220;stroke-dashoffset:220;
  animation:swipe .7s .15s cubic-bezier(.2,.8,.2,1) forwards;
}
@keyframes swipe{to{stroke-dashoffset:0}}

/* ═══════════════ PANTALLA 1 · LOGIN ═══════════════ */
.login-wrap{
  min-height:100vh;display:grid;place-items:center;align-content:center;
  gap:18px;padding:24px;
}
.login-card{
  width:min(430px,100%);
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:36px 32px 30px;
  box-shadow:var(--shadow);
  animation:rise .5s cubic-bezier(.2,.8,.2,1);
  text-align:left;
}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.login-logo{display:block;height:56px;width:auto;margin:0 auto 18px;object-fit:contain}
.login-title{font-size:26px;font-weight:800;text-align:center}
.login-sub{color:var(--gray);margin:.4em 0 1.6em;font-size:14px;text-align:center}
.login-error{color:var(--red);background:rgba(231,29,43,.08);border:1px solid rgba(231,29,43,.35);
  border-radius:10px;padding:9px 12px;font-size:13.5px;margin:0 0 14px}
.login-foot{color:var(--gray);font-size:12.5px;margin:0}

.field{display:block;margin-bottom:16px}
.field span{display:block;font-size:12px;font-weight:700;color:var(--gray);
  text-transform:uppercase;letter-spacing:.07em;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;background:var(--soft);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:11px 13px;transition:border-color .15s, box-shadow .15s;
}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--yellow);box-shadow:0 0 0 3px var(--yellow-tinte);background:#fff}

/* ═══════════════ BOTONES ═══════════════ */
.btn{border:1px solid var(--line);background:var(--white);border-radius:999px;
  padding:10px 18px;font-weight:700;cursor:pointer;
  transition:transform .06s, background .15s, border-color .15s, box-shadow .15s}
.btn:hover{border-color:rgba(21,21,21,.3)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--yellow);outline-offset:2px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-yellow{background:var(--yellow);border-color:var(--yellow);color:var(--black);box-shadow:0 10px 26px rgba(255,193,7,.35)}
.btn-yellow:hover{background:#ffce33;border-color:#ffce33}
.btn-red{background:rgba(231,29,43,.08);border-color:rgba(231,29,43,.45);color:var(--red)}
.btn-red:hover{background:rgba(231,29,43,.14)}
.btn-dark{background:var(--black);border-color:var(--black);color:#fff}
.btn-ghost{background:transparent}
.btn-sm{padding:6px 13px;font-size:13px}
.btn-block{width:100%;display:block;border-radius:var(--radius-sm)}

/* ═══════════════ PANTALLA 2 · APP ═══════════════ */
.app{display:grid;grid-template-columns:var(--rail) 1fr;min-height:100vh}

.rail{
  position:sticky;top:0;height:100vh;display:flex;flex-direction:column;
  background:var(--white);border-right:1px solid var(--line);padding:18px 14px;
}
.rail-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px}
.rail-logo{width:34px;height:34px;border-radius:9px;object-fit:cover}
.rail-name{font-family:var(--f-display);font-weight:600;font-size:16.5px}
.rail-name b{color:var(--red);font-weight:800}
.rail-nav{display:flex;flex-direction:column;gap:4px;flex:1;overflow:auto}
.rail-link{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;
  font-weight:600;color:var(--ink);transition:background .15s}
.rail-link:hover{background:var(--soft)}
.rail-link.active{background:var(--yellow);color:var(--black);box-shadow:0 8px 20px rgba(255,193,7,.35)}
.rail-ico{width:20px;text-align:center;opacity:.75}
.rail-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;
  border-top:1px solid var(--line);padding-top:12px;margin-top:10px}
.pulse{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--gray)}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--green);
  animation:pulseDot 1.8s ease-in-out infinite}
.pulse.err .pulse-dot{background:var(--red);animation:none}
@keyframes pulseDot{0%{box-shadow:0 0 0 0 rgba(19,165,56,.5)}70%{box-shadow:0 0 0 8px rgba(19,165,56,0)}100%{box-shadow:0 0 0 0 rgba(19,165,56,0)}}

.main{padding:34px 38px 60px;max-width:1220px;width:100%}
.main:focus{outline:none}

.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-bottom:22px}
.page-title{font-size:34px;font-weight:800}
.page-sub{color:var(--gray);margin:.35em 0 0;font-size:14px}
.head-actions{display:flex;gap:10px;flex-wrap:wrap}

/* ── Fichas de KPI (estilo tarjetas cálidas de la landing) ─────────────── */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;margin-bottom:22px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:16px 18px;position:relative;overflow:hidden;
  animation:rise .5s calc(var(--i,0)*60ms) cubic-bezier(.2,.8,.2,1) backwards;
}
.card::before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:var(--line)}
.card.acc-yellow::before{background:var(--yellow)}
.card.acc-red::before{background:var(--red)}
.card.acc-green::before{background:var(--green)}
.card-label{font-size:12.5px;font-weight:700;color:var(--gray);text-transform:uppercase;letter-spacing:.06em}
.card-value{font-family:var(--f-display);font-size:30px;font-weight:800;margin:4px 0 2px}
.card-hint{font-size:12.5px;color:var(--gray)}

.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px 22px;margin-bottom:18px;box-shadow:0 8px 30px rgba(21,21,21,.05)}
.panel h2{font-size:19px;margin-bottom:8px}

/* Sparklines */
.spark-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.spark{width:100%;height:110px;display:block}
.spark .line{fill:none;stroke:var(--yellow);stroke-width:3;stroke-linecap:round}
.spark .area{fill:url(#gradTori);stroke:none}
.spark.rojo .line{stroke:var(--red)}
.spark.rojo .area{fill:url(#gradRojo)}
.spark-label{font-size:12px;color:var(--gray);margin-top:6px}
@media (max-width:900px){.spark-wrap{grid-template-columns:1fr}}

/* ── Tablas ─────────────────────────────────────────────────────────────── */
.table-wrap{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:auto;box-shadow:0 8px 30px rgba(21,21,21,.05)}
table{width:100%;border-collapse:collapse;min-width:760px}
thead th{
  text-align:left;font-size:11.5px;font-weight:800;color:var(--gray);
  text-transform:uppercase;letter-spacing:.07em;
  padding:13px 16px;border-bottom:1px solid var(--line);background:var(--soft);
  position:sticky;top:0}
tbody td{padding:12px 16px;border-bottom:1px solid rgba(21,21,21,.07);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fffdf4}
td .sub{display:block;font-size:12.5px;color:var(--gray)}
select.inline{background:var(--soft);border:1px solid var(--line);border-radius:9px;padding:6px 8px;font-size:13px}
select.inline:focus{outline:none;border-color:var(--yellow);box-shadow:0 0 0 3px var(--yellow-tinte)}

.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:800;
  text-transform:uppercase;letter-spacing:.04em;border:1px solid transparent}
.badge.free{background:var(--soft);color:var(--gray);border-color:var(--line)}
.badge.premium{background:var(--yellow-tinte);color:#8a6400;border-color:rgba(255,193,7,.5)}
.badge.docente{background:rgba(231,29,43,.10);color:var(--red);border-color:rgba(231,29,43,.4)}
.badge.institutional{background:rgba(19,165,56,.10);color:var(--green);border-color:rgba(19,165,56,.4)}
.badge.ok{background:rgba(19,165,56,.10);color:var(--green);border-color:rgba(19,165,56,.4)}
.badge.off{background:rgba(231,29,43,.10);color:var(--red);border-color:rgba(231,29,43,.4)}
.badge.tipo{background:var(--soft);color:var(--ink);border-color:var(--line)}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.toolbar input[type="search"],.toolbar select{
  background:var(--white);border:1px solid var(--line);border-radius:999px;padding:10px 16px;min-width:220px}
.toolbar input[type="search"]:focus,.toolbar select:focus{
  outline:none;border-color:var(--yellow);box-shadow:0 0 0 3px var(--yellow-tinte)}

.pager{display:flex;align-items:center;gap:12px;justify-content:flex-end;margin-top:14px;color:var(--gray);font-size:13px}

.empty{padding:48px 24px;text-align:center;color:var(--gray)}
.empty .big{display:block;font-size:38px;margin-bottom:8px}
.empty .hint{font-size:12.5px}
.empty img{width:52px;height:52px;border-radius:12px;margin:0 auto 10px;display:block;object-fit:cover}

.skel{height:16px;border-radius:8px;background:linear-gradient(90deg,#eee 25%,#f8f8f8 40%,#eee 60%);
  background-size:200% 100%;animation:shine 1.2s infinite}
@keyframes shine{to{background-position:-200% 0}}

/* ── Difusión ───────────────────────────────────────────────────────────── */
.compose{max-width:640px}
.radio-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:999px;
  padding:7px 14px;cursor:pointer;font-size:13.5px;font-weight:600;background:var(--white)}
.chip:has(input:checked){background:var(--yellow);border-color:var(--yellow);color:var(--black)}
.chip input{accent-color:var(--black)}
.switch{display:flex;align-items:center;gap:9px;margin-bottom:14px;font-size:14px;cursor:pointer}
.switch input{accent-color:var(--yellow);width:17px;height:17px}
.hint{color:var(--gray);font-size:13px}

/* ── Modal ──────────────────────────────────────────────────────────────── */
.modal-back{position:fixed;inset:0;background:rgba(21,21,21,.45);backdrop-filter:blur(2px);
  display:grid;place-items:center;padding:20px;z-index:60;animation:fadeIn .18s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{position:relative;width:min(680px,100%);max-height:88vh;overflow:auto;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 26px 24px;box-shadow:var(--shadow);animation:rise .28s cubic-bezier(.2,.8,.2,1)}
.modal-x{position:absolute;top:14px;right:14px;border:1px solid var(--line);background:var(--soft);
  width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:13px}
.modal h2{font-size:22px;margin-bottom:2px}
.modal .sub{color:var(--gray);font-size:13.5px}
.modal-section{border-top:1px solid var(--line);margin-top:16px;padding-top:14px}
.modal-section h3{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--gray);margin-bottom:10px}
.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:10px}
.kv div{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.kv .k{display:block;font-size:11px;font-weight:800;color:var(--gray);text-transform:uppercase;letter-spacing:.06em}
.kv .v{font-family:var(--f-mono);font-size:15px;font-weight:600}
.row-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}

.device-row{display:flex;align-items:center;justify-content:space-between;gap:10px;
  border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:8px;background:var(--soft)}
.device-row .d-info{font-size:13.5px}
.device-row .d-info .sub{font-size:12px;color:var(--gray);display:block}

.secret-box{display:flex;align-items:center;gap:10px;background:var(--yellow-tinte);
  border:1px dashed rgba(255,193,7,.8);border-radius:12px;padding:12px 14px;margin-top:10px}
.secret-box code{font-family:var(--f-mono);font-size:17px;font-weight:700;letter-spacing:.04em}

.domain-chip{display:inline-flex;align-items:center;gap:7px;background:var(--soft);
  border:1px solid var(--line);border-radius:999px;padding:5px 7px 5px 13px;font-size:13px;
  font-family:var(--f-mono);margin:0 6px 6px 0}
.domain-chip button{border:none;background:rgba(231,29,43,.1);color:var(--red);width:20px;height:20px;
  border-radius:50%;cursor:pointer;font-size:11px;line-height:1}
.domain-chip.off{opacity:.5}

/* ── Toast ──────────────────────────────────────────────────────────────── */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,16px);
  background:var(--black);color:#fff;border-radius:999px;
  padding:11px 22px;font-size:14px;font-weight:600;opacity:0;
  transition:opacity .22s, transform .22s;z-index:99;box-shadow:0 14px 40px rgba(0,0,0,.3);
  max-width:min(560px,92vw)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{background:var(--red)}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width:840px){
  .app{grid-template-columns:1fr}
  .rail{position:static;height:auto;flex-direction:row;align-items:center;flex-wrap:wrap;gap:8px}
  .rail-nav{flex-direction:row;flex-wrap:wrap}
  .rail-foot{border:none;padding:0;margin:0;margin-left:auto}
  .main{padding:22px 16px 50px}
  .page-title{font-size:27px}
}