/* Configuración visual centralizada por Total App GT */
body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #1a3a5c, #2563a8);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin: 0;
}
.card {
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(15px);
  border-radius: 24px;
  padding: 50px 40px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  border: 1px solid rgba(255,255,255,.2);
  box-shadow: 0 25px 50px rgba(0,0,0,0.3);
}
.logo-container {
  width: 110px;
  height: 110px;
  margin: 0 auto 20px;
  background: #fff;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.logo-img { width: 85%; height: 85%; object-fit: contain; }
h1 { font-size: 32px; font-weight: 900; margin-bottom: 4px; letter-spacing: 1px; }
.subtitle { font-size: 16px; opacity: .9; margin-bottom: 30px; color: #00d4ff; }
.spinner {
  width: 40px; height: 40px; border: 4px solid rgba(255,255,255,.1);
  border-top-color: #00d4ff; border-radius: 50%;
  animation: spin 1s linear infinite; margin: 0 auto 15px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-size: 13px; font-weight: 700; text-transform: uppercase; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100% { opacity:.5 } 50% { opacity:1 } }
.brand { font-size: 11px; opacity: .4; margin-top: 40px; }