:root{
  --ink-900:#0f172a;     /* texto principal */
  --ink-600:#334155;     /* texto secundario */
  --white:#ffffff;
  --bg:#f3f8ff;          /* fondo suave */
  --primary:#0b63ce;     /* azul principal */
  --primary-700:#084c9f; /* azul oscuro */
  --primary-050:#e9f1ff; /* azul muy claro */
  --focus: rgba(11,99,206,.25);
  --radius:18px;
  --shadow:0 14px 40px rgba(6, 34, 79, .18);
}

/* ===== Base ===== */
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color:var(--ink-900);
  background:
    radial-gradient(1200px 500px at 10% -10%, #eaf2ff 0%, transparent 60%),
    radial-gradient(1200px 500px at 110% 110%, #eaf2ff 0%, transparent 60%),
    linear-gradient(135deg, #ffffff, var(--bg));
  display:flex;
  flex-direction:column;
  min-height:100%;
}

/* ===== Header ===== */
header {
  background: linear-gradient(180deg,#fff, #f8fbff);
  border-bottom: 1px solid #eef3ff;
  padding: 10px 20px;
}

.nav {
  display: flex;
  justify-content: space-between; 
  align-items: center;
}

.brand img {
  height: 60px; 
  object-fit: contain;
}

/* ===== Contenedor central ===== */
.auth{
  flex:1; display:flex; align-items:center; justify-content:center;
  padding:32px 16px;
}

/* ===== Tarjeta de login ===== */
.card{
  width:40%;
  max-width: 420px;
  background: linear-gradient(180deg, #ffffff 0%, #ffffffcc 100%);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border:1px solid #e6efff;
  overflow:hidden;
}

/* Borde superior con degradado azul */
.card::before{
  content:"";
  display:block;
  height:8px;
  background: linear-gradient(90deg, #5aa2ff, #0b63ce, #084c9f);
}

/* Encabezado */
.card-header{
  padding:24px 28px 0 28px;
  text-align:center;
}
.app-title{
  font-family:Poppins, Inter, sans-serif;
  font-weight:700;
  font-size:28px;
  letter-spacing:.3px;
  margin:0 0 4px 0;
  font-style: italic; /* cursiva solicitada */
  background:linear-gradient(90deg,#0b63ce,#084c9f);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.subtitle{
  margin:0 0 16px 0;
  color:var(--ink-600);
  font-weight:600;
}

/* Contenido del formulario */
.card-body{
  padding: 8px 28px 24px 28px;
}

/* ===== Tabla del formulario (manteniendo tu HTML) ===== */
#frmlogin table{
  width:100%;
  border-collapse:separate;
  border-spacing:0 12px; /* espacio entre filas */
}

#frmlogin td{
  vertical-align:middle;
  font-size:14px;
  color:var(--ink-600);
}

/* Etiquetas alineadas al mismo inicio */
#frmlogin td:first-child{
  width:30%;
  text-align:left;      /* cambiado a izquierda */
  padding-right:8px;
  font-weight:600;
}

/* Inputs */
#frmlogin input[type="text"],
#frmlogin input[type="password"]{
  width:100%;
  border:1px solid #cfe0ff;
  border-radius:12px;
  background:#fff;
  padding:12px 14px;
  font-size:15px;
  outline:0;
  transition:border-color .2s, box-shadow .2s;
}

#frmlogin input[type="text"]:focus,
#frmlogin input[type="password"]:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 4px var(--focus);
}

/* Botón más pequeño y centrado */
#frmlogin input[type="submit"]{
  display:block;
  margin:12px auto 0 auto; /* centrado */
  width:60%;
  max-width:200px;
  border:0;
  border-radius:12px;
  padding:10px 14px;
  font-weight:700;
  background:linear-gradient(135deg, var(--primary), var(--primary-700));
  color:#fff;
  cursor:pointer;
  transition: filter .2s, transform .02s;
}
#frmlogin input[type="submit"]:hover{ filter: brightness(1.05); }
#frmlogin input[type="submit"]:active{ transform: translateY(1px); }

/* Olvidé mi contraseña centrado */
#loss_pass{
  text-align:center;
  padding-top:10px;
}
#loss_pass a{
  color:var(--primary);
  font-weight:700;
  text-decoration:none;
}
#loss_pass a:hover{ text-decoration:underline; }

/* Mensaje de error */
#resultIngr{
  display:block;
  margin-top:10px;
  font-size:14px;
  color:#c62828;
  text-align:center;
}

/* ===== Footer ===== */
footer{
  border-top:1px solid #eef3ff;
  background:#ffffffcc;
  backdrop-filter: blur(4px);
}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:14px 16px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  color:#5b6c85;font-size:14px;
}
.footer-links a{color:#5b6c85;text-decoration:none}
.footer-links a:hover{text-decoration:underline}

/* ===== Responsive ===== */
@media (max-width:520px){
  #frmlogin td:first-child{ display:none; }
  #frmlogin td{ display:block;width:100%; }
  #frmlogin table{ border-spacing:0 10px; }
}