/* ============================================================
   Aula Virtual · GAIA ORIGIN — estilos
   ============================================================ */
:root{
  /* Color de marca principal (antes verde, ahora azul GAIA #112aa6) */
  --green:#112aa6; --green-d:#0d2080; --green-dd:#0a1860;
  --ink:#0a1b52; --ink-2:#14277a;
  --bg:#f5f6fa; --card:#ffffff; --line:#e5e8f1;
  --text:#1b2230; --muted:#6a7488; --muted-2:#9aa3b6;
  --amber:#e0a106; --red:#d64545; --blue:#2b78c4; --purple:#7a5bd6;
  --ok:#157a43;                 /* verde de éxito (aprobado/completado) */
  --lime:#4e6fe0;               /* segundo tono del degradado de progreso */
  --shadow:0 1px 2px rgba(17,24,45,.06),0 6px 20px rgba(17,24,45,.07);
  --shadow-lg:0 10px 40px rgba(17,24,45,.18);
  --r:14px; --r-sm:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.brand .mark,.login-logo .mark{font-family:'Poppins',sans-serif}
a{color:inherit;text-decoration:none}
button{font-family:inherit}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;justify-content:center;background:var(--green);color:#fff;border:none;border-radius:10px;padding:10px 16px;font-weight:600;font-size:14px;cursor:pointer;transition:.15s;line-height:1}
.btn:hover{background:var(--green-d)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:9px}
.btn-lg{padding:13px 22px;font-size:15px}
.btn-block{width:100%}
.btn-ghost{background:transparent;color:var(--text)}
.btn-ghost:hover{background:#eef3ee}
.btn-outline{background:#fff;color:var(--green-d);border:1.5px solid var(--line)}
.btn-outline:hover{border-color:var(--green);background:#eef1ff}
.btn-danger{background:#fdeeee;color:var(--red)}
.btn-danger:hover{background:#f8dcdc}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2)}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:
  radial-gradient(1200px 500px at 10% -10%,rgba(17,42,166,.16),transparent),
  radial-gradient(900px 500px at 110% 110%,rgba(78,111,224,.16),transparent),var(--bg)}
.login-card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-lg);padding:34px 30px}
.login-logo{display:flex;flex-direction:column;align-items:center;gap:2px;margin-bottom:6px}
.brand-img{width:96px;height:96px;object-fit:contain;border-radius:20px;background:#fff;padding:8px;margin-bottom:10px;box-shadow:0 8px 22px rgba(17,42,166,.18);border:1px solid var(--line)}
.login-logo .mark{font-size:24px;font-weight:800;letter-spacing:.5px;color:var(--ink)}
.login-logo small{color:var(--muted);font-size:12px;letter-spacing:.4px}
.login-sub{text-align:center;color:var(--muted);font-size:13.5px;margin:4px 0 22px}
.login-error{background:#fdeeee;color:var(--red);border:1px solid #f3cccc;border-radius:9px;padding:9px 12px;font-size:13px;margin-bottom:12px}

/* ---------- Campos ---------- */
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;background:#fff;transition:.15s;color:var(--text)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(17,42,166,.14)}
.field textarea{resize:vertical;min-height:72px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.checks{display:flex;gap:16px;flex-wrap:wrap}
.check{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--text);cursor:pointer}
.check input{width:auto}

/* ---------- Shell ---------- */
.shell{display:grid;grid-template-columns:252px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,var(--ink),var(--ink-2));color:#ddeae2;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{padding:22px 20px 16px;display:flex;align-items:center;gap:11px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand .brand-img-sm{width:44px;height:44px;object-fit:contain;border-radius:11px;background:#fff;padding:4px;flex:none}
.brand .mark{font-size:17px;font-weight:800;color:#fff;line-height:1.1}
.brand small{display:block;color:#9fc4b1;font-size:10.5px;letter-spacing:.3px;font-weight:500}
.nav{flex:1;overflow-y:auto;padding:14px 12px}
.nav .group{font-size:10.5px;text-transform:uppercase;letter-spacing:.8px;color:#80a593;padding:14px 12px 7px;font-weight:700}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:#cfe0d7;font-size:14px;font-weight:500;margin-bottom:2px;transition:.14s}
.nav a .ic{font-size:17px;width:20px;text-align:center}
.nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.nav a.active{background:var(--green);color:#fff;font-weight:600;box-shadow:0 6px 16px rgba(17,42,166,.35)}
.sb-user{padding:14px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}
.sb-user .ava{width:40px;height:40px;border-radius:50%;background:var(--green);display:grid;place-items:center;font-weight:700;color:#fff;font-size:15px;overflow:hidden;flex:none}
.sb-user .ava img{width:100%;height:100%;object-fit:cover}
.sb-user .nm{font-size:13.5px;font-weight:600;color:#fff;line-height:1.2}
.sb-user .rl{font-size:11px;color:#9fc4b1}
.sb-user .lg{margin-left:auto;background:rgba(255,255,255,.1);border:none;color:#cfe0d7;border-radius:8px;padding:7px 9px;cursor:pointer;font-size:13px}
.sb-user .lg:hover{background:rgba(255,255,255,.2);color:#fff}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:20px 30px;gap:16px}
.topbar h1{font-size:22px;margin:0;color:var(--ink)}
.topbar .crumb{font-size:13px;color:var(--muted);margin-top:2px}
.content{padding:4px 30px 40px;flex:1;min-width:0}

/* ---------- Utilidades ---------- */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.mb{margin-bottom:16px}
.muted{color:var(--muted)}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.card-pad{padding:20px}
.card h3{margin:0 0 14px;font-size:15.5px;color:var(--ink)}
.empty{text-align:center;color:var(--muted);padding:50px 20px}
.empty .ic{font-size:40px;margin-bottom:10px;opacity:.8}

/* KPIs */
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi .ic{font-size:22px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:12px}
.kpi .val{font-size:28px;font-weight:800;font-family:'Poppins';color:var(--ink);line-height:1}
.kpi .lbl{font-size:12.5px;color:var(--muted);margin-top:5px}
.k-green .ic{background:#e6f6ec;color:var(--ok)}
.k-blue .ic{background:#e7f1fb;color:var(--blue)}
.k-amber .ic{background:#fdf3d9;color:var(--amber)}
.k-purple .ic{background:#efe9fb;color:var(--purple)}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:20px;letter-spacing:.2px}
.b-green{background:#e6f6ec;color:var(--ok)}
.b-amber{background:#fdf3d9;color:#9a6c04}
.b-red{background:#fdeeee;color:var(--red)}
.b-blue{background:#e7f1fb;color:var(--blue)}
.b-purple{background:#efe9fb;color:var(--purple)}
.b-gray{background:#eef2ef;color:var(--muted)}

/* ---------- Tarjetas de capacitacion / sesion ---------- */
.course-head{background:linear-gradient(135deg,var(--ink),var(--ink-2));color:#fff;border-radius:18px;padding:26px 28px;margin-bottom:22px;position:relative;overflow:hidden}
.course-head::after{content:"🌿";position:absolute;right:-10px;bottom:-20px;font-size:120px;opacity:.08}
.course-head h2{margin:0 0 6px;font-size:21px}
.course-head p{margin:0;color:#bcd6c8;font-size:13.5px;max-width:640px}
.course-head .chips{margin-top:14px}
.chips{display:flex;gap:7px;flex-wrap:wrap}
.chip{background:rgba(255,255,255,.12);color:#eafff2;border-radius:20px;padding:4px 11px;font-size:11.5px;font-weight:500}
.chip.light{background:#eef1ff;color:var(--green-d)}

.lessons-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}
.lcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.lcard.unlocked{cursor:pointer}
.lcard.unlocked:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#cfe5d7}
.lcard.locked{opacity:.92}
.lcard .thumb{height:118px;background:linear-gradient(135deg,#112aa6,#0a1860);position:relative;display:grid;place-items:center;color:#fff}
.lcard.locked .thumb{background:linear-gradient(135deg,#7f938a,#59695f)}
.lcard .thumb .n{font-family:'Poppins';font-weight:800;font-size:40px;opacity:.9}
.lcard .thumb .lock{position:absolute;inset:0;display:grid;place-items:center;font-size:34px;background:rgba(15,46,33,.35)}
.lcard .thumb .play{position:absolute;right:12px;bottom:10px;background:rgba(255,255,255,.9);color:var(--green-d);width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:15px}
.lcard .state{position:absolute;top:10px;left:10px}
.lcard .body{padding:15px 16px;flex:1;display:flex;flex-direction:column}
.lcard .body h4{margin:0 0 6px;font-size:14.5px;color:var(--ink);line-height:1.3}
.lcard .body p{margin:0;font-size:12.5px;color:var(--muted);flex:1;line-height:1.5}
.lcard .foot{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:12px;color:var(--muted-2)}
.lcard .foot span{display:flex;align-items:center;gap:4px}

/* Tarjeta de evaluacion */
.eval-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:22px;display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.eval-card .ebadge{width:64px;height:64px;border-radius:16px;display:grid;place-items:center;font-size:30px;background:linear-gradient(135deg,#7a5bd6,#5b3fb0);color:#fff;flex:none}
.eval-card.locked .ebadge{background:linear-gradient(135deg,#9aa0ad,#6c7280)}
.eval-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:8px}
.eval-meta .m .v{font-weight:700;font-family:'Poppins';color:var(--ink);font-size:16px}
.eval-meta .m .k{font-size:11.5px;color:var(--muted)}

/* ---------- Anillo de progreso ---------- */
.ring{--p:0;--sz:120px;width:var(--sz);height:var(--sz);border-radius:50%;display:grid;place-items:center;
  background:conic-gradient(var(--green) calc(var(--p)*1%),#e8efe9 0)}
.ring .inner{width:calc(var(--sz) - 22px);height:calc(var(--sz) - 22px);background:#fff;border-radius:50%;display:grid;place-items:center;text-align:center}
.ring .inner b{font-family:'Poppins';font-size:26px;color:var(--ink);line-height:1}
.ring .inner small{font-size:10.5px;color:var(--muted)}
.bar{height:8px;background:#e8efe9;border-radius:20px;overflow:hidden}
.bar>span{display:block;height:100%;background:linear-gradient(90deg,var(--green),var(--lime));border-radius:20px}

/* ---------- Detalle de sesion (video) ---------- */
.video-wrap{background:#000;border-radius:14px;overflow:hidden;aspect-ratio:16/9;display:grid;place-items:center}
.video-wrap video{width:100%;height:100%;display:block;background:#000}
.video-ph{color:#aab8b0;text-align:center;font-size:14px}
.tabs{display:flex;gap:8px;margin:18px 0 14px;border-bottom:1px solid var(--line)}
.tabs button{background:none;border:none;padding:10px 4px;margin-right:16px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:2.5px solid transparent}
.tabs button.active{color:var(--green-d);border-color:var(--green)}
.fileitem{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 14px;border:1px solid var(--line);border-radius:10px;margin-bottom:9px;font-size:13.5px;background:#fff}
.fileitem .meta{display:flex;align-items:center;gap:10px;min-width:0}
.fileitem .ficon{width:36px;height:36px;border-radius:9px;display:grid;place-items:center;background:#eef1f7;font-size:17px;flex:none}

/* Foro */
.post{display:flex;gap:11px;padding:13px 0;border-bottom:1px solid var(--line)}
.post .ava{width:38px;height:38px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex:none;overflow:hidden}
.post .ava img{width:100%;height:100%;object-fit:cover}
.post .who{font-size:13.5px;font-weight:600;color:var(--ink)}
.post .when{font-size:11.5px;color:var(--muted-2);margin-left:6px;font-weight:400}
.post .txt{font-size:13.5px;color:var(--text);margin-top:3px;line-height:1.5;white-space:pre-wrap}

/* ---------- Modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(15,46,33,.5);display:grid;place-items:center;padding:20px;z-index:60;animation:fade .15s}
@keyframes fade{from{opacity:0}}
.modal{background:#fff;border-radius:18px;width:100%;max-width:480px;max-height:90vh;overflow:auto;box-shadow:var(--shadow-lg);animation:pop .18s}
.modal.wide{max-width:680px}
@keyframes pop{from{transform:translateY(12px);opacity:0}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:17px;color:var(--ink)}
.modal-head .x{background:none;border:none;font-size:24px;color:var(--muted);cursor:pointer;line-height:1}
.modal-body{padding:22px}
.modal-foot{padding:16px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.notice{background:#eef1ff;border:1px solid #d3dbf5;border-radius:12px;padding:16px;font-size:13.5px;color:var(--ink-2);line-height:1.6}

/* Ventana flotante de participacion */
.join-ill{text-align:center;padding:4px 0 10px}
.join-ill .big{font-size:46px}

/* Tabla */
.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);font-size:13.5px}
.tbl th{text-align:left;padding:12px 14px;background:#f3f5fb;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
.tbl td{padding:12px 14px;border-top:1px solid var(--line)}
.tbl tr:hover td{background:#fafcfa}
.tbl .actions{display:flex;gap:6px;justify-content:flex-end}

/* Toast */
#toast-root{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:10px;z-index:90}
.toast{background:var(--ink);color:#fff;padding:13px 18px;border-radius:11px;font-size:13.5px;box-shadow:var(--shadow-lg);transition:opacity .3s;max-width:340px}
.toast.ok{background:var(--green-d)}
.toast.err{background:var(--red)}

/* ---------- Evaluación (examen) ---------- */
.exam-bar{position:sticky;top:0;z-index:20;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.exam-timer{font-family:'Poppins';font-weight:800;font-size:30px;color:var(--ink);background:#eef5f0;border-radius:12px;padding:6px 18px;letter-spacing:1px;min-width:120px;text-align:center}
.exam-timer.danger{color:#fff;background:var(--red);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.75}}
.qcard{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:20px;margin-bottom:16px;border-left:4px solid var(--line);transition:.15s}
.qcard.answered{border-left-color:var(--green)}
.qhead{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.qhead .qnum{width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex:none}
.qhead .qtext{font-size:15px;font-weight:600;color:var(--ink);line-height:1.4}
.opts{display:flex;flex-direction:column;gap:9px;padding-left:42px}
.opt{display:flex;align-items:center;gap:11px;padding:11px 14px;border:1.5px solid var(--line);border-radius:10px;cursor:pointer;font-size:14px;transition:.12s}
.opt:hover{border-color:#c2cbee;background:#f5f7fc}
.opt input{width:17px;height:17px;accent-color:var(--green);flex:none}
.opt:has(input:checked){border-color:var(--green);background:#fff;box-shadow:inset 0 0 0 1.5px var(--green)}
.exam-foot{position:sticky;bottom:0;background:linear-gradient(0deg,var(--bg) 60%,transparent);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 4px 6px;margin-top:8px}

/* progreso de subida */
.uprog{height:9px;background:#e8efe9;border-radius:20px;overflow:hidden;margin-top:10px}
.uprog>span{display:block;height:100%;background:var(--green);width:0;transition:width .2s}

@media(max-width:860px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:-260px;z-index:50;transition:left .2s;width:252px}
  .sidebar.open{left:0}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .content,.topbar{padding-left:18px;padding-right:18px}
  .menu-btn{display:inline-flex!important}
}
.menu-btn{display:none;background:var(--ink);color:#fff;border:none;border-radius:9px;width:40px;height:40px;font-size:18px;cursor:pointer}