:root {
  --red: #e63946;
  --light-red: #ff7b7b;
  --white: #ffffff;
  --glass: rgba(255, 255, 255, 0.7);
  --text: #222;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background: linear-gradient(135deg, #e63946, #ff7b7b);
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.login-container {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.glass-card {
  background: var(--white); /* Blanco sólido */
  padding: 3rem 2rem;
  border-radius: 20px;
  box-shadow: 0 0 30px rgba(230, 57, 70, 0.1);
  width: 320px;
  animation: scaleUp 0.6s ease-out;
  color: var(--text);
  border: 1px solid rgba(0, 0, 0, 0.05);
}


.glass-card h2 {
  text-align: center;
  margin-bottom: 2rem;
  font-weight: 600;
  color: var(--text);
}

.input-group {
  position: relative;
  margin-bottom: 2rem;
}

.input-group input {
  width: 100%;
  padding: 12px 12px 12px 40px;
  border-radius: 12px;
  border: 1px solid #ccc;
  background: #fff;
  color: var(--text);
  font-size: 16px;
  outline: none;
  transition: all 0.3s ease;
}

.input-group label {
  position: absolute;
  left: 40px;
  top: 12px;
  color: #888;
  font-size: 14px;
  pointer-events: none;
  transition: 0.3s ease;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
  top: -10px;
  font-size: 12px;
  background: var(--white);
  padding: 0 6px;
  border-radius: 6px;
  color: var(--red);
}

.icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  fill: var(--red);
  opacity: 0.7;
  transition: fill 0.3s;
}

.input-group input:focus ~ .icon {
  opacity: 1;
}

button {
  width: 100%;
  padding: 14px;
  background: var(--red);
  color: white;
  border: none;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s;
}

button:hover {
  transform: scale(1.03);
}

.glow {
  content: '';
  position: absolute;
  top: 0;
  left: -70%;
  width: 50%;
  height: 100%;
  background: rgba(255, 255, 255, 0.3);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}

button:hover .glow {
  left: 120%;
}

@keyframes scaleUp {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.footer-note {
  text-align: center;
  font-size: 0.85rem;
  color: #888;
  margin-top: 1rem;
}