@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css');

:root {
  --color-primary: #0e74c4;
  --color-secondary: #4caf50;
  --color-accent: #ffc107;
  --color-tertiary: #f44336;
  --color-dark: #222;
  --color-light: #fff;
  --font-family: 'Montserrat', sans-serif;
}

body {
  background: linear-gradient(135deg, #0e74c4 0%, #4caf50 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  font-family: var(--font-family);
  color: var(--color-dark);
}

.auth-wrapper {
  width: 100%;
  max-width: 600px;
}

.auth-card {
  background: var(--color-light);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  animation: fadeUp 1s ease forwards;
}

.nav-tabs {
  border-bottom: 3px solid var(--color-primary);
  background: var(--color-primary);
}

.nav-tabs .nav-item .nav-link {
  color: var(--color-light);
  font-weight: 600;
  border: none;
  border-radius: 0;
  padding: 15px 25px;
  transition: background 0.3s, color 0.3s;
}

.nav-tabs .nav-item .nav-link.active {
  background: var(--color-light);
  color: var(--color-primary);
  font-weight: 700;
  border-top-left-radius: 15px;
  border-top-right-radius: 15px;
}

.nav-tabs .nav-link:hover {
  background: var(--color-accent);
  color: var(--color-dark);
}

.tab-content {
  background: var(--color-light);
  border-radius: 0 0 15px 15px;
}

.tab-title {
  color: var(--color-primary);
  text-align: center;
  font-weight: 700;
  margin-bottom: 20px;
}

.form-control {
  border-radius: 8px;
  padding: 14px;
  font-size: 1rem;
  border: 2px solid #ddd;
  transition: all 0.3s ease;
  text-align: center;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 8px rgba(14, 116, 196, 0.3);
}

.captcha-img {
  border: 2px solid #ccc;
  border-radius: 5px;
  margin-bottom: 10px;
  width: 60%;
}

.btn {
  font-weight: 700;
  font-size: 1.1rem;
  padding: 12px 40px;
  border-radius: 40px;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.ingresar-btn {
  background-color: #80c1ff;
  color: var(--color-dark);
}

.ingresar-btn:hover {
  background-color: #5aa6e0;
  transform: translateY(-3px);
}

.registro-btn {
  background-color: #ff9e9e;
  color: var(--color-dark);
}

.registro-btn:hover {
  background-color: #f46e6e;
  transform: translateY(-3px);
}

.fade-in {
  animation: fadeIn 1s ease forwards;
  opacity: 0;
}

@keyframes fadeIn { from {opacity:0;} to {opacity:1;} }
@keyframes fadeUp { from {opacity:0; transform:translateY(30px);} to {opacity:1; transform:translateY(0);} }

a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

a:hover {
  color: var(--color-secondary);
}