* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: #f4f7f9;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-container {
    width: 90%;
    max-width: 400px;
    text-align: center;
}

.hero h1 {
    color: #2c3e50;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.hero p {
    color: #7f8c8d;
    margin-bottom: 2rem;
}

.auth-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.auth-card h2 {
    margin-bottom: 1rem;
    color: #333;
}

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-google:active {
    background: #f1f1f1;
    transform: scale(0.98);
}

.btn-google img {
    width: 20px;
}

/* Clase para ocultar elementos */
.hidden {
    display: none;
}

/* Estilo base del botón de Google (ya lo tenías) */
.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 1rem;
}

/* Variante para Cerrar Sesión (sin estilos en el HTML) */
.btn-logout {
    border-color: #ff7675;
    color: #d63031;
}

.btn-logout:active {
    background-color: #fff5f5;
}