/* ==== FUENTE ==== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

/* ==== BASE ==== */
body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(135deg, #4f46e5, #667eea, #8e9efc);
  color: #fff;
}

/* ==== CENTRAR LOGIN/SIGNUP ==== */
body.center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.auth-container {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  border-radius: 16px;
  padding: 40px;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.auth-container .logo {
  width: 100px;
  margin-bottom: 20px;
}

h1, h2, h3 {
  margin: 0 0 20px 0;
}

.success { color: #00ffab; text-align: center; }
.error { color: #ff6b6b; text-align: center; }

/* ==== FORMULARIOS ==== */
form {
  display: flex;
  flex-direction: column;
}

form input {
  margin-bottom: 20px;
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
}

form button {
  background: #4f46e5;
  border: none;
  padding: 14px 16px;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease;
}

form button:hover {
  background: #3730a3;
}

a {
  color: #fff;
  text-decoration: underline;
}

a:hover {
  color: #00ffab;
}

/* ==== HEADER ==== */
header {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header nav a {
  color: #fff;
  margin-left: 30px;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

header nav a:hover {
  color: #00ffab;
}

/* ==== DASHBOARD ==== */
.container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
  color: #fff;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  font-size: 1.4rem;
}

canvas {
  max-width: 100%;
}

body.dashboard main.container {
  padding-top: 40px;
}