* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --azul: #0b5e8a;
  --azul-claro: #e3f2fb;
  --verde: #1c8a4b;
  --rojo: #b33a3a;
  --gris: #f4f5f6;
}
body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--gris);
  min-height: 100vh;
}

/* ---------- login ---------- */
body.login { display: flex; align-items: center; justify-content: center; }
.caja-login { text-align: center; padding: 2rem; }
.caja-login h1 { color: var(--azul); font-size: 2.5rem; letter-spacing: .3rem; }
.marca { color: #667; margin-bottom: 1.5rem; }
.form-login { display: flex; flex-direction: column; gap: .8rem; width: 16rem; margin: 0 auto; }
.form-login input {
  font-size: 1.15rem; padding: .8rem; border: 2px solid var(--azul);
  border-radius: .6rem; background: #fff;
}
.error { color: var(--rojo); }
.entrar-btn {
  min-height: 3.4rem; font-size: 1.2rem; font-weight: 700; border: none;
  border-radius: .6rem; background: var(--verde); color: #fff; cursor: pointer;
}

/* ---------- panel ---------- */
header {
  display: flex; align-items: center; gap: 1rem;
  background: var(--azul); color: #fff; padding: .8rem 1rem;
  flex-wrap: wrap;
}
.quien { font-weight: 700; font-size: 1.2rem; }
.estado { flex: 1; opacity: .9; }
.enlace { color: #fff; text-decoration: none; opacity: .85; }
.botonera {
  display: grid; grid-template-columns: 1fr 1fr; gap: .8rem;
  padding: 1rem; max-width: 40rem; margin: 0 auto;
}
button.actividad {
  min-height: 5.5rem; font-size: 1.15rem; font-weight: 600;
  border: none; border-radius: 1rem; background: #fff; color: #123;
  box-shadow: 0 1px 4px rgba(0,0,0,.15); cursor: pointer; padding: .5rem;
}
button.actividad.activa {
  background: var(--verde); color: #fff;
  box-shadow: 0 0 0 4px rgba(28,138,75,.3);
}
button.actividad.fin {
  grid-column: 1 / -1; background: #fff0f0; color: var(--rojo);
  min-height: 3.6rem; font-size: 1rem;
}
/* ---------- tablero ---------- */
.tablero main { max-width: 50rem; margin: 0 auto; padding: 1rem; }
.rango { display: flex; gap: .6rem; }
.rango a {
  color: #fff; text-decoration: none; padding: .15rem .6rem;
  border-radius: .5rem; opacity: .7;
}
.rango a.on { background: rgba(255,255,255,.25); opacity: 1; }
.persona {
  background: #fff; border-radius: .8rem; padding: 1rem 1.2rem;
  margin-bottom: 1rem; box-shadow: 0 1px 3px rgba(0,0,0,.1);
}
.persona h2 { color: var(--azul); margin-bottom: .8rem; }
.persona h2 small { color: #567; font-weight: 400; font-size: .95rem; }
.persona h2 strong { color: var(--rojo); }
.fila { display: flex; align-items: center; gap: .6rem; margin-bottom: .4rem; }
.etiqueta { width: 11rem; font-size: .9rem; text-align: right; }
.barra { flex: 1; background: var(--gris); border-radius: .3rem; height: 1.2rem; }
.relleno { background: var(--azul); height: 100%; border-radius: .3rem; }
.mins { width: 5.5rem; font-size: .85rem; color: #345; }
details { margin-top: .8rem; }
summary { cursor: pointer; color: var(--azul); }
table { width: 100%; border-collapse: collapse; margin-top: .6rem; font-size: .85rem; }
th, td { padding: .3rem .4rem; border-bottom: 1px solid #eee; text-align: left; }
.vacio { color: #789; }
@media (max-width: 480px) {
  .etiqueta { width: 7.5rem; font-size: .8rem; }
}