/* ============================================================
   PLATAFORMA DE CURSOS - Estilos (look tipo Hotmart)
   ============================================================ */
:root{
  --primario:#2563eb;        /* azul */
  --primario-osc:#1d4ed8;
  --oscuro:#0f172a;          /* header oscuro (poco usado) */
  --gris-bg:#f5f7fb;
  --gris-borde:#e6e6ea;
  --texto:#1d1d21;
  --texto-suave:#6b6b76;
  --verde:#00a650;
  --radio:12px;
  --sombra:0 2px 12px rgba(0,0,0,.07);
  --sombra-hover:0 6px 22px rgba(0,0,0,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--texto);background:var(--gris-bg);line-height:1.5;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ---------- Header ---------- */
header.top{
  background:#fff;color:var(--texto);position:sticky;top:0;z-index:50;
  border-bottom:1px solid var(--gris-borde);
}
.top-in{
  max-width:1140px;margin:auto;padding:14px 20px;
  display:flex;align-items:center;gap:20px;
}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px}
.logo .flama{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,#60a5fa,var(--primario));
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:13px;
}
.logo .flama::after{content:"▶"}
.top nav{margin-left:auto;display:flex;align-items:center;gap:8px}
.top nav a, .top nav button{
  color:var(--texto);font-size:14px;padding:8px 14px;border-radius:8px;
  background:transparent;border:0;cursor:pointer;font-weight:600;
}
.top nav a:hover{background:var(--gris-bg)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--primario);color:#fff;border:0;cursor:pointer;
  padding:12px 22px;border-radius:10px;font-weight:700;font-size:15px;
  transition:.15s;
}
.btn:hover{background:var(--primario-osc)}
.btn.block{width:100%}
.btn.sec{background:#fff;color:var(--texto);border:1px solid var(--gris-borde)}
.btn.sec:hover{background:#fafafa}
.btn.oscuro{background:var(--oscuro)}
.btn.chico{padding:8px 14px;font-size:13px}

/* ---------- Layout ---------- */
.contenedor{max-width:1140px;margin:auto;padding:28px 20px}
.hero{
  background:linear-gradient(120deg,#eff6ff,#f8fafc);color:var(--texto);
  padding:56px 20px;text-align:center;border-bottom:1px solid var(--gris-borde);
}
.hero h1{font-size:34px;font-weight:800;margin-bottom:12px}
.hero p{color:var(--texto-suave);max-width:600px;margin:auto;font-size:17px}

.titulo-sec{font-size:22px;font-weight:800;margin:0 0 18px}

/* ---------- Grid de cursos ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px}
.card{
  background:#fff;border-radius:var(--radio);overflow:hidden;
  box-shadow:var(--sombra);transition:.18s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sombra-hover)}
.card .portada{
  aspect-ratio:16/9;background:#ddd;object-fit:cover;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#60a5fa,#2563eb);color:#fff;font-size:40px;
}
.card .cuerpo{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{font-size:16px;font-weight:700}
.card .desc{font-size:13px;color:var(--texto-suave);flex:1}
.card .precio{font-size:20px;font-weight:800;color:var(--texto)}
.card .pie{padding:0 16px 16px}

/* ---------- Modal ---------- */
.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.5);display:none;
  align-items:center;justify-content:center;z-index:100;padding:20px;
}
.overlay.abierto{display:flex}
.modal{
  background:#fff;border-radius:16px;max-width:400px;width:100%;padding:28px;
  box-shadow:0 10px 40px rgba(0,0,0,.25);
}
.modal h2{font-size:22px;margin-bottom:6px}
.modal p.sub{color:var(--texto-suave);font-size:14px;margin-bottom:18px}
.campo{margin-bottom:14px}
.campo label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.campo input, .campo textarea, .campo select{
  width:100%;padding:11px 13px;border:1px solid var(--gris-borde);
  border-radius:9px;font-size:15px;font-family:inherit;
}
.campo input:focus,.campo textarea:focus{outline:2px solid var(--primario);border-color:transparent}
.tabs{display:flex;gap:6px;margin-bottom:18px;background:var(--gris-bg);padding:4px;border-radius:10px}
.tabs button{
  flex:1;padding:9px;border:0;background:transparent;border-radius:7px;
  cursor:pointer;font-weight:600;font-size:14px;color:var(--texto-suave)
}
.tabs button.activo{background:#fff;color:var(--texto);box-shadow:var(--sombra)}
.aviso{font-size:13px;padding:10px 12px;border-radius:8px;margin-top:10px}
.aviso.error{background:#ffeaea;color:#c62828}
.aviso.ok{background:#e7f6ec;color:#1b7a3d}

/* ---------- Panel creador ---------- */
.panel-head{display:flex;align-items:center;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.panel-head h1{font-size:26px;font-weight:800}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:28px}
.stat{background:#fff;border-radius:var(--radio);padding:18px;box-shadow:var(--sombra)}
.stat .n{font-size:26px;font-weight:800}
.stat .l{font-size:13px;color:var(--texto-suave)}
.tabla{width:100%;background:#fff;border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra);border-collapse:collapse}
.tabla th,.tabla td{padding:13px 16px;text-align:left;font-size:14px;border-bottom:1px solid var(--gris-borde)}
.tabla th{background:#fafafa;font-size:12px;text-transform:uppercase;color:var(--texto-suave);letter-spacing:.4px}
.tabla tr:last-child td{border-bottom:0}
.pill{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}
.pill.ok{background:#e7f6ec;color:var(--verde)}
.pill.pend{background:#fff3e0;color:#e08600}
.pill.pub{background:#e3f2fd;color:#1565c0}
.pill.borr{background:#f0f0f0;color:#777}

.vacio{text-align:center;padding:60px 20px;color:var(--texto-suave)}
.vacio .ico{font-size:46px;margin-bottom:10px}

/* ---------- Reproductor ---------- */
.player-wrap{display:grid;grid-template-columns:1fr 320px;gap:24px}
.player video,.player iframe{width:100%;aspect-ratio:16/9;border-radius:12px;background:#000;border:0}
.lista-lecciones{background:#fff;border-radius:12px;box-shadow:var(--sombra);overflow:hidden}
.lec-item{padding:14px 16px;border-bottom:1px solid var(--gris-borde);cursor:pointer;display:flex;gap:10px;align-items:center}
.lec-item:hover{background:#fafafa}
.lec-item.activo{background:#eff6ff;border-left:3px solid var(--primario)}
.lec-num{width:26px;height:26px;border-radius:50%;background:var(--gris-bg);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0}

@media(max-width:800px){
  .player-wrap{grid-template-columns:1fr}
  .hero h1{font-size:26px}
}