/* ===========================================================
   AcademIA — estilos base (marca propia)
   =========================================================== */
:root{
  --ink:#161a27; --muted:#5b6376; --faint:#8a91a3;
  --paper:#ffffff; --soft:#f5f6fb; --line:#e6e8f1;
  --ai1:#4f46e5; --ai2:#06b6d4;
  --doc:#0ea5a4; --pas:#e07a35; --bot:#6d5ce6;
  --ok:#0f9d6b; --danger:#dc2f45;
  --sidebar:#171b2e;
  --radius:13px;
  --shadow:0 1px 3px rgba(20,25,45,.06), 0 8px 24px rgba(20,25,45,.05);
}
*{box-sizing:border-box}
body{
  margin:0; color:var(--ink); background:var(--soft);
  font-family:"Helvetica Neue",-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:14px; line-height:1.5;
}
a{color:var(--ai1); text-decoration:none}
h1,h2,h3{margin:0; letter-spacing:-.3px}

/* ---------- Layout con sidebar ---------- */
.app{display:grid; grid-template-columns:248px 1fr; min-height:100vh}
.sidebar{
  background:var(--sidebar); color:#cfd4ea; padding:20px 14px;
  display:flex; flex-direction:column; gap:6px; position:sticky; top:0; height:100vh;
}
.brand{display:flex; align-items:center; gap:11px; padding:6px 8px 18px}
.brand .logo{
  width:40px; height:40px; border-radius:50%; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center; color:#fff; font-weight:800; font-size:18px;
  background:linear-gradient(135deg,var(--ai1),var(--ai2));
  box-shadow:0 6px 18px rgba(79,70,229,.45);
}
.brand .logo img{width:40px; height:40px; display:block; object-fit:contain;
  filter:drop-shadow(0 4px 12px rgba(19,110,246,.45));}
.brand b{color:#fff; font-size:15px; display:block; line-height:1.1}
.brand span{font-size:9px; letter-spacing:1.5px; color:#7d85ad; text-transform:uppercase}
.nav-label{font-size:9px; letter-spacing:1.5px; color:#6b7297; text-transform:uppercase; padding:12px 10px 4px}
.nav a{
  display:flex; align-items:center; gap:11px; padding:9px 11px; border-radius:9px;
  color:#c3c9e4; font-size:13.5px; font-weight:500;
}
.nav a:hover{background:rgba(255,255,255,.06); color:#fff}
.nav a.active{background:linear-gradient(100deg,var(--ai1),var(--ai2)); color:#fff}
.nav a .ic{width:18px; text-align:center; font-size:15px}
.sidebar .spacer{flex:1}
.sidebar .foot{border-top:1px solid rgba(255,255,255,.08); padding-top:12px; font-size:12px}
.sidebar .foot a{color:#9aa1c6}

/* ---------- Contenido ---------- */
.main{padding:26px 30px 60px}
.topbar{display:flex; justify-content:space-between; align-items:center; margin-bottom:22px}
.topbar h1{font-size:22px}
.topbar .who{font-size:12.5px; color:var(--muted)}
.badge-rol{display:inline-block; font-size:10px; font-weight:700; letter-spacing:.5px; text-transform:uppercase; padding:3px 9px; border-radius:100px; background:var(--soft); border:1px solid var(--line); color:var(--muted)}
.badge-rol.admin{background:#eeeafc; color:var(--bot); border-color:#e0d9fb}
.badge-rol.docente{background:#e7f7f6; color:var(--doc); border-color:#cdeeec}
.badge-rol.pastor{background:#fdefe2; color:var(--pas); border-color:#f8ddc4}
.badge-rol.estudiante{background:#e9edff; color:var(--ai1); border-color:#d7deff}

/* ---------- Tarjetas ---------- */
.card{background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow)}
.card.pad{padding:20px 22px}
.stats{display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-bottom:24px}
.stat{background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:16px 18px; box-shadow:var(--shadow)}
.stat .n{font-size:30px; font-weight:800; letter-spacing:-1px; line-height:1}
.stat .l{font-size:12px; color:var(--muted); margin-top:5px}
.stat.t-est .n{color:var(--ai1)} .stat.t-doc .n{color:var(--doc)}
.stat.t-pas .n{color:var(--pas)} .stat.t-adm .n{color:var(--bot)}

/* ---------- Tablas ---------- */
table{width:100%; border-collapse:collapse}
th,td{text-align:left; padding:11px 12px; font-size:13px}
th{font-size:11px; letter-spacing:.4px; text-transform:uppercase; color:var(--faint); border-bottom:1px solid var(--line)}
tbody tr{border-bottom:1px solid var(--line)}
tbody tr:hover{background:var(--soft)}
.avatar{width:32px; height:32px; border-radius:50%; background:linear-gradient(135deg,var(--ai1),var(--ai2)); color:#fff; display:inline-flex; align-items:center; justify-content:center; font-weight:700; font-size:12px}

/* ---------- Formularios / botones ---------- */
label{display:block; font-size:12px; font-weight:600; color:var(--muted); margin:0 0 5px}
input,select,textarea{
  width:100%; padding:10px 12px; border:1px solid var(--line); border-radius:9px;
  font-size:14px; font-family:inherit; background:#fff; color:var(--ink);
}
input:focus,select:focus,textarea:focus{outline:none; border-color:var(--ai1); box-shadow:0 0 0 3px rgba(79,70,229,.13)}
.field{margin-bottom:14px}
.grid2{display:grid; grid-template-columns:1fr 1fr; gap:14px}
.btn{
  display:inline-flex; align-items:center; gap:8px; cursor:pointer; border:none;
  background:linear-gradient(100deg,var(--ai1),var(--ai2)); color:#fff;
  font-size:14px; font-weight:600; padding:10px 18px; border-radius:9px;
}
.btn:hover{filter:brightness(1.05)}
.btn.ghost{background:#fff; color:var(--ink); border:1px solid var(--line)}
.btn.sm{padding:6px 12px; font-size:12.5px}
.msg{padding:10px 13px; border-radius:9px; font-size:13px; margin-bottom:12px; display:none}
.msg.err{background:#fdecef; color:var(--danger); display:block}
.msg.ok{background:#e7f7f0; color:var(--ok); display:block}